Objective: aiming to establish a new strategy based on uniform design and genetic algorithm and applying in the optimization of the separation condition of Ginkgo biloba extract using reversed-phase liquid chromatography according to traditional optimization methods. Methods: based on uniform design...

Reviews the historical development of road project management system is presented in this paper, based on the connotation, the core management of road projects all over the world are in detail described, the problems of road engineering project management system has carried on the countermeasure analysis,...

Construction management is a construction enterprise according to the business development strategy and the enterprise internal and external conditions, in accordance with the modern enterprise operation law, through the optimized allocation of production factors and dynamic management.

This paper introduces composition of a system platform to collect data from a wireless monitoring bridge, develops software to receive data from monitoring bridge fixed with vibration sensors and temperature sensors. We use INV3020 made by Coinv(China Orient Institute of Noise & Vibration) as a lower-position...

To investigate the performance of pile supported embankment, five key influencing factors are chosen for parametric study. The influencing factors include the peak length of pile cap, pile diameter, pile spacing, elastic modulus of pile and tensile stiffness of geosynthetic. The settlement at the embankment...

A new kind of admixture for the shotcrete was proposed, its main ingredient is silica fume (61.3%) and bentonite (38.3%), plus a small amount of polyacrylic acid (0.4%). The influences of the admixture on the liquidity of shotcrete were studied, it is results that: 1) with the increase of the cement...

In order to solve the problems like large mass of concrete block, high labor intensity of workers and low construction efficiency in the ordinary masonry-filling combined construction technology which are used in continuously mining and quick gob-side entry retaining technologies, this article carried...

The basic situation of the coal industry production in Shanxi province was studied in this paper, and the transportation of coal in Shanxi province which was divided into the highway freight and the railway freight was studied. Then, the analysis method of synthetic degree of grey incidence was improved...

As the global natural environment is on the slide, human have improved their cognition on natural enviro-nment changes in varying degrees in the aspects of enviro-nment attention, environmental awareness and enviro-nmental protection behavior. Since Adam Smith , the main-stream economists have regarded...

Objective: The aim of this study is to develop a new volumetric reconstruction technique for cone beam computed tomography (CT) system with multiple parallel circular orbits, which can be used to suppress the cone-beam artifacts, permit the reconstruction of limited angle projections and decrease the...

In this paper, we study the effects on mechanical properties of cement mortar with different types of steel fibers. The results showed that: Among the three kinds of cement mortars mixed with different steel fibers, the apparent density of mortar mixed with type-C was the minimum, and turned out a steady...

Tube hydroforming is attracting more and more attention in many industrial fields, especially in automotive industries and aircraft industry. In this paper, aiming at the problem of the match of axial force and internal pressure, the results of experimental research on the influence of loading path on...

Modern teaching theory has already penetrated into each discipline teaching, many physical education teachers also take it as guidance; while computer-assisted teaching possesses interesting features with its own special functions, and it has great worth in concentrating students’ attentions and stimulating...

At present, there are not enough research for the intact loess and remolded loess collapsible; There are tests for the some region loess, to study the law of collapsible.The results showed that: The curve of intact loess and remolded loess collapsible deformation is defined by two turning points and...

The high voltage power metering system is mainly composed of a current transformer (CT), voltage transformer (PT), consisting of two wire electric energy meter and connecting them. In the high-voltage power metering system, current transformer is important electrical equipment. Structure of current transformer...

Tonghua Baishan area formed a large number of precious characteristic literature because of its special geographical position and historical reasons, long-term accumulation,such as Gao Gouli characteristic literature, Manchu Shaman characteristic literature etc.. According to the features of native form...

It is introduced the application of MIL-STD-1553B bus in a certain aviation communication through analyzing the main features of MIL-STD-1553B bus and main function of aviation communication in this paper. And there are discussed the realization method of MIL-STD-1553B bus based on Tornado in the avionics...

The principle purpose of this paper is to explore the existence of periodic solution of Two-Species Gilpin-Ayala competition system with impulsive perturbations. Sufficient and realistic conditions are obtained by using Mawhin's continuation theorem of the coincidence degree. Further, some numerical...

Fire has a high load value and is easy to spread in the underground commercial space. Meanwhile the space has a high occupant density and people in it are difficult to evacuate. So it is easy to cause serious casualties. To this end, this paper first takes a certain underground commercial plaza for example...

The research established a mechanical model which could reflect the basic features of rock stratum and made a profound investigation on the form and conditions of the fractures on main roofs. Based on mechanical analysis, the fracture location is difference when lane offshoot care is difference, cutting...

Aluminum oxide (alumina, Al2O3) and polypropylene (PP) have been often used to produce thermal conductive composites. Short Glass fiber (SGF) is generally used to increase the mechanical properties of materials, but decrease the thermal diffusivity because of its low thermal conductivity. In this work,...

In recent years, much attention has been given in the literature to the development, analysis, and implementation of finite difference schemes for the numerical solution of hyperbolic equations, which can describe physical phenomenons of vibrating string, elastic film and three-dimensional elastomers....

Recent years, more and more company have focused on their human resources management, and separation becomes a very important factor. This thesis analyzes the influence of separation rate on company, so as to manage company better. First, we apply Analytic Network Process to construct a dynamic model,...

Aqueduct is a kind of cross bridge building which can cross the channel, depressions, roads and railways .In the paper, based on the aqueduct design, aqueduct model making, aqueduct structure calculation and static load experiment, the aqueduct model is made to solve the problem of analysis of the internal...

The air defense of ship formation cooperation decision-making is a multi-stage multi-objective system. Based on the concepts of the fuzzy weighted distance and membership degree, considering the collaborative relationship in different phase, put forward the concept of thermodynamic power allotment wreath...

Polyaspartic acid derivative (PASP-SEA-ASP) was prepared from polysuccinimide (PSI) that was thermal condensation polymer of aspartic acid (ASP), taurine (SEA) and ASP. The structure of polyaspartic acid derivative was characterized by means of FTIR. The property of scale inhibition of PASP-SEA-ASP by...

1. Objective: Divide rural financial information service area divided using graph partitioning methods . 2. Methods: By means of one-to-one mapping, the factors of the activity place (area) for rural financial information service object, including population, area and financial activity quantity are...

With the development and wide use of information technology, the change of the new century students and diversity of their psychological demand and other factors has brought new challenges to educators. In order to more clearly understand the current situation of teachers’ ability of information technology,...

The Dual Hesitant Fuzzy Sets (DHFSs) is a useful tool to deal with vagueness and ambiguity in the multiple attribute decision making (MADM) problems. The distance and similarity measures analysis are important research topics. In this paper, we propose some new distance measures for dual hesitant fuzzy...

Shanxi loess tunnel has the characteristics which are numerous and complex geological. This paper simulated the construction process of loess tunnel by the finite difference software FLAC3D, analyzed the influence on the tunnel roof longitudinal settlement and horizontal ground surface settlement by...

Slope stability is the focus of attention in geotechnical. The cutting loess slope because of its high slope and soil properties makes the research question becomes complicated. through the investigation The paper selected typical cutting loess high slope to study, and analyzed slope stability under...

In this paper,the guaranteed cost control problem for uncertain discrete-time output probability density functions(PDFs) with both state and input delay is investigated .A novel linear matrix inquality (LMI)-based approach with model transformation is developed ,so that the closed-loop system is asyptotially...

In order to discuss whether the investment system reform improve the investment efficiency of Chinese state-owned enterprise since reform and opening-up, considering the nature and function of state-owned enterprises, the this paper constructed the investment efficiency evaluation system of stat-owned...

As the result of the widely usage of Electrical equipment in bus, Corresponding fault in inner equipment has become a common problem of its operation, increasing the difficult and time of fixing..This paper develops a new bus integrated information wireless transmission system based on IPC2378 chip,...

In order to control the food safety risk about meat products effectively, the government supervision and spot check data need to be collected about meat products in recent years. Then unqualified occurrence circumstance of different-category meat product was analysed. On the combination of government...

The effective length factor of the braced beam with in-plane buckling in the chevron braced steel frame with pinned connections was derived, and verified in comparison with the value calculated by the eigenvalue buckling analysis using the software ABAQUS. The results show that, the numerical values...

The Drosophila cyclinD (cycD) gene promoter contains a recognition consensus sequence for Drosophila STAT (stat92E). Transient luciferase expression assay using S2 cells indicated that the cycD gene promoter was activated by cotransfected with HOP and stat92E expression plasmid. Furthermore, the S2 cells...

Prefabricated concrete structure has the advantages of being constructed fast, high quality, energy conservation, good seismic performance and environmental protection, etc. It is the developing direction of the future buildings. It's one of the important research content of prefabricated concrete structure...

Concrete filled steel tube (CFST) and steel castellated beam are ideal components in the structure. However the research about the connection of them is less at present. In order to analyze the working mechanism of outer annular-stiffener type steel castellated beam-concrete filled steel tube (OATSCB-CFST)...

Periodic vehicle routing problem and its solution algorithms are being deeply studied by scholars, the outputs of them are helpful to solve problems such as time setting for waste household appliances, bulky waste discarded in reality, etc. Through the literatures review of PVRP, it can be seen that...

Northern Sea Route is known as a new route with complex navigation environment. It will greatly shorten the distance between the Far East and Europe. This article systematically analyzes the sailing conditions of Northern Sea Route and the main factors that influence the navigation environment. An evaluation...

In this paper, a predator-prey system with Beddington-DeAngelis functional response is studied, where the n predators prey on one prey. Using the continuation theorem of coincidence degree theory and analysis techniques, a criteria for the existence of periodic solutions of predator-prey models with...

The intention of this paper is to reveal the mechanical properties of steel fiber reinforced concrete (SFRC) at different volume fractions of steel fiber and demonstrate that it can be applied as support in underground coal-mine tunnels. With the similar simulation tests and FLAC finite-element numerical...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

Abstract—As China's mileage of Highway and urban transport tunnel extend speedily, some challenges to the safe operation of the tunnel occur. People pay more attention to the mechanical state of the traffic tunnel and the environmental problems caused by tunnels. Based on a new traffic tunnel in Henan...

In the frame-shear wall structure FSWS of reinforced concrete, the coupling beam of shear wall (CB) and frame beam (FB) up the corresponding part of which has a stage of working cooperatively under horizontal load. However, the research on the whole working mechanism of the CB and FB under that stage...

Visual function in humans degrades during the early stage of senescence beginning from middle 50s to 60s. Generally,it may derive from the general decline of cortex inhibition,which destroys the balance between excitation and inhibition system in the brain.To date, the optimal fitting model of receptive...

Information asymmetry is one of the most important dynamic properties of complex networks. It has important significance to explore the effect of information asymmetry on cascading failures for realizing cascading dynamic properties. In this paper, after analyzing the information asymmetry during the...

This paper proposes a new method to deal with the multi-attribute group decision making (MAGDM) problem. Firstly, a new distance measure between two linguistic terms is defined, then a new linguistic information aggregation operator based on the distance measure is proposed and their properties are studied....

The control system of myoelectric prostheses req-uires high precision and rapid response. Many algorithms have been applied in prosthesis control. In this paper, Back-Propagation Neural Network (BPNN) and Multiple Nonlinear Regression (MNLR) are applied to predict handgrip force through surface electromyography...

At present, the research is not enough for the formula of water content and strength index in domestic.The paper aims how the change of water content influence strength index of remolded loess by consolidation drained triaxial shear test for the Linxian loess.The results showed that: The shear strength...

Forecasting passenger flow accurately, especially for the whole network, is extremely important for the holistic optimization of transportation organization. This paper is concerned with the entire high-speed rail network, not just focusing on one single channel, and proposes a complete forecasting process...

The objective of this article is to apply a program for ecological indicator screening base on a new method, which is the Comprehensive Method for Water Ecological Index Screening (CMWEIS). CMWEIS is based on the Principal Component Analysis (PCA) and Delphi Method (DM, a kind of expert investigation...

The volume clamp method is a kind of non-invasive continuous blood pressure measurement methods, the traditional method is to convert light into a weak current to collect the signal of blood volume pulse by a sensor. In the process of signal transmission, it can be easily disturbed. We adopt a new method,...

Taken the natural loess slopes in the Linfen area as the engineering example, analyze the relationship between the slope size parameters (height of slope, angle of slope), material parameters(soil cohesion, friction angle) and the stability safety coefficient of slope with different calculation method....

To improve the efficiency of resources allocation in manufacturing enterprises, a bi-level programming model for studying coordinate development of efficiency and effectiveness in functional departments is proposed based on analysis of complexity and hierarchy of manufacturing enterprises. Then an improved...

Objective—The purpose of this paper is to investigate the economic design of EWMA charts with variable sampling intervals (VSI) under binomial distribution to reduce the cost of control process. Methods—First, the economic model of VSI EWMA control chart under binomial distribution is developed, the...

Scorpion venom is usually utilized to induce cancer cell death via apoptosis pathways. Our study focuses on the effects of the Heterometrus liangi scorpion venom on the proliferation of KYSE-510 cells (human esophageal cancer cells) and its related molecular mechanism. Marked morphological changes in...

The developing of the globalization of the world economy and regional economic integration, makes China, which is in the period of social transformation, have the situation such as: professional norms empty, professional norms confliction, professional norms unclear, professional norms dysfunctional....

1. Objective: To improve the synthetic procedure of the anticancer drug poziotinib. 2. Methods: The poziotinib was synthesized in six stages starting from 7-methoxy-4-oxo-3,4-dihydroquinazolin-yl acetate (2) by chlorinated, ammonification, hydrolysis, condensation, take off Boc and amidation reaction....

The capacity and the distortion are the two important indexes in the information steganography field. The research tries adopting the famous Median Edge Detection to judge the flat area and the complex area, combining the concept of the Human Vision System to embed a fewer confidential information. A...

The computer professional is an excellent major which reflects on the practice. To cultivate talents who of innovative abilities which are in line with the requirements of the era, strengthening experiment teaching and practice teaching is particularly important. What’s more, it is most important to...

In view of disadvantages of conventional approaches such as insufficient ranking, disunity of index dimensions as well as too subjective weights in adaptability assessment of camouflage screen, we proposed a new super-efficiency DEA algorithm to overcome them. Traditional DEA algorithm often runs into...

Forestry is the main body of ecological construction, as well as one basic industry and commonweal career for the sustainable development of economic society. The importance of forest resources and forestry requires us to deepen the conception of sustainable development into various aspects of forestry...

Quite a number of reports are available on metal binding capacity of different groups of microorganisms. However, reports on the fungal spores are quite inadequate. In the present study the effect of Aspergillums niger spores dosage, initial solution pH and adsorption temperature on the uptake of Cr...

Ontology integration can be used to solve heterogeneity of different information. Different to the usual global interpretation, distributed interpretation based on DDL is taken to interpret its semantics. A phenomenon called conflict is found on this situation. We define what is conflict and make some...

Considering the requirements of water sealing between pipes and control precision, the pipe roof currently implemented are all straight. Due to some special construction conditions, the pipe roof method needs to break the limit of linear condition. This results in several problems such as increasing...

Gongbei Tunnel project at the Zhuhai link of Hong Kong-Zhuhai-Macau Bridge is to be constructed by a new construction method – “Freeze-Sealing Pipe Roof” (FSPR), serving as a forepoling system, combining with mining method. The primary purpose of this paper is to analyze the problem of frost heave in...

In order to recycle the waste heat of the dyeing and printing factory, analysis about dyeing and printing waste heat and its current running system of the factory were obtained in this paper. Analysis indicated that most of the waste heat was unemployed. The recycling order of all kinds of waste heat...

In order to be able to comprehensively consider both network communication control performance and network communication in the network control system, and to balance the network resources, improve the network performance, this paper proposes a new information distribution of CAN data identifier , and...

The development of cutting technology of hard and brittle material went through cylindrical cutting and internal cutting,free mortar multi-line cutting and diamond multi-line cutting.At present the main processing method of solar grade silicon rod slicing is free mortar multi-line cutting and diamond...

As an excellent tear agent of the second generation, CS has been widely used in the police department of many countries. CS disperses the crowd depending on the aerosol in the air due to combustion and explosion. And at the same time, CS decomposes into a variety of products. With the use of TG/DSC-FITR...

To study the human brain through EEG monitoring device the time required into the concentration. EEG data collected from a large number of healthy subjects. EEG record of each participant must be recorded twice on the same day, and one is in a relaxed state, another is state of fatigue. The hardware...

In this paper the three-dimensional design of animation which is based on computer software is studied. The method that is used to design the animation is introduced. Through the three-dimensional design of animation, the designers can use software like 3D-Max to animate the model and to exhibit the...

In this paper, a new topic of elderly support environment with the new design concept is introduced. The research on the living environment of elderly is based on slow city design. The different design concepts and theory for elderly are studied. With the development status and trends of Chinese aging...

The impact of information technology on social life is comprehensive, it is micro-teaching model, the development of information technology provides a way to achieve a more diverse and more superior teaching effectiveness for micro teaching, development of web-based information The interaction that is...

This paper analyses the existing problems in the development of the balance of urban and rural education, and then explore some strategies to promote the balanced urban and rural education development in the education information construction. In order to enhance teachers' IT application ability, we...

After large-scale activity, the outburst passenger flow probably causes serious impact on stations surrounding the activity venue, at this time, stations should take corresponding organization measures to guarantee efficient and smooth running. This paper put forward the organization process of subway...

The cropping patterns as drip irrigation under mulch were assumed in the experiment with peanut variety "Fu Hua 17" to study the effects of different topdressing on photosynthetic characteristics and yield for peanuts. Five different treatments were carried out to determine the photosynthetic characteristics,...

Five planting modes were designed to study photosynthetic characteristics, leaf area index and yield of peanut variety as Fu Hua 17 in order to provide theoretical basis for peanut yield increase in the sandy area. Results showed that the mode of peanuts planted for double rows in the border check with...

The cooperation of Beijing-Tianjin-Hebei government is very important to the coordinated development of Beijing-Tianjin-Hebei manufacturing, and is of great significance for promoting the development of regional economic integration of the Beijing-Tianjin-Hebei region. Combined with the characteristics...

In wave-picking and entire-replenishment zone-based warehouse, the slotting and cartonization problems occur with equal frequency and can be the optimization conditions for each other. A dynamic location assignment model is proposed to minimize the wave-picking time among all of zones, and a particle...

This paper assessed optic camouflage performance by a two-stage hybrid model combined DEA and ANN. The assessment indexes of optic camouflage performance were firstly constructed. Then we proposed the hybrid algorithm by the following two stages: (1) Conventional CCR model was improved by super-efficiency...

“Probability Theory and Mathematical Statistics” is a public mathematical elementary course for all science and engineering specialties in colleges and universities. It is because this course applies widely in many other professional courses of the specialties of science and engineering. But this course...

Product harm crisis are frequent, hard to avoid, different to each other, and have various impact. Not all product harm crisis make enterprises brand get bad image and deteriorating stigma. The key elements causing brand stigma by a product harm crisis event lie in brand relationship norms and commitment...

the improvement of the condition of our country's economy and the development of urban and rural areas as a whole,The rural biogas construction also presents the diversified development trend.This paper introduces the hebei qingxian county straw partnerships biogas application status,For straw partnerships...

To develop the rapid method for detecting of Spring viremia of carp virus (SVCV) and Cyprinid herpesvirus 2(CyHV2), 2 pairs of specific primers for duplex reverse transcriptase polymerase chain reaction (RT-PCR) were designed according to the nucleotide sequence information of CyHV2 and SVCV published...

This paper presents a universal model for dynamic system based on geometric modeling methods. The model uses time series that implicates dynamic characteristics as study object, uses geometric modeling methods as basic ideas, and uses embedding time element in NURBS model as the key, for representing...

With the advance of global economic integration and global informatization, manufacturing enterprises are facing the business environment of uncertainty increases gradually, enterprise can only maintain competitive advantage through innovation, thus the survival and development. Manufacturing enterprises,...

Since 21st Century, Chinese enterprises are faced with severe situation which is rapid technological development, intense competition and personalized customer demand. Chinese enterprises have the only way to adapt to economic globalization and informatization, which is to share the information with...

The effectiveness and deterrence of food safety punitive damage system in China have been widely questioned in academic circle. Based on the Prospect Theory, this paper gives an analysis of the causes of frequent food safety incidents with the current punitive damage system in China. Simulation analysis...

Shear horizontal surface acoustic waves (SH-SAWS) propagation in layered piezoelectric structure carrying an array of microbeams is studied in this paper. Based on the three-dimensional piezoelectricity theory, the coupling wave equations are obtained and solved by analytical method with consideration...

Five aquatic macrophytes, Acorus calamus, Lythrum salicaria, Monochoria korsakowii Alisma orientale and Sagittaria sagittifolia were tested for the relative growth rate (RGR) and abilities of removing total nitrogen(TN) and total phosphorus (TP) by the manipulative indoor experiment. Result revealed...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

In order to comprehensively evaluate the risk degree of indexes that affected urban community safety. Those indexes not only have qualitative attributes but also quantitative attributes. Do a quantitative analysis on those qualitative indexes is not easy. Hayashi quantification theory have an obvious...

Deflection of stress direction occurs near anti-slide piles, forming obvious soil arches with adjacent piles as springers and creating the “soil arching effect”. Based on the stress conditions for anti-slide piles, a mechanical analysis is conducted on the soil arching effect, and three rational equations...

With the upgrade and transformation of our industry, CCFL Cold Cathode Fluorescent Lamp)is widely used. It features high brightness, high efficiency and low power consumption; can rapid start at low temperature; control color temperature accurately; small in size and light in weight; tolerate high vibration;...

In the increasingly serious environmental and energy issues today, the city expand a new idea in the development of models . But it still faces many common problems, such as industry, high pollution, high energy capacity control. Therefore, For continuing to promote its low-carbon economy,the introduction...

Power industry is one of our basic industries, the development of the national economy and national security as well as energy has a very close relationship, and with the continuous development and progress of society, the status of the power industry is becoming increasingly important. However, in the...

People demand for electricity is growing with the development of society. To make the power system can operate safely and reliably, relay technology in China has been very good development. With the development of technology department for the development of relay technology has injected new vitality,...

Currently, the domestic social and economic development quickly, the grid size is also growing, prospects of power communications brighter. Power communication network is reflected in all aspects of the power of industrial production, power communication applications in the smart grid can effectively...

Thermal power enterprises as the backbone of China's power industry, which relies on the conversion of thermal energy to produce clean electricity, while heat production is an energy consuming process. Implementation of emission reduction is to implement the scientific development and building a harmonious...

At present, with the development of society and economy, Transmission and Distribution Project is increasing. Compared with the general construction projects, Transmission and Distribution construction project diversity, fluidity and complexity characteristics. Because of Transmission and Distribution...

Development of the national economy, the demand for electricity has grown exponentially, while the power supply reliability play a key role in economic development, so the reliable operation of the grid also put forward higher requirements. Lightning trip is the biggest threat to the power grid, accounting...

The development trend of the world on a low carbon economy and green safe and reliable operation of the power system of the country's economic development put forward higher requirements, how to respond and adapt to changes in the external environment, to form a functional, reliable, viable mechanisms...

Distributed power access to change the trend and fault characteristics of traditional distribution network, the existing distribution network protection caused a huge impact. To meet the distributed power of access, protection methods must examine with the grid. After the analysis of distributed power...

Boiler’s combustion efficiency directly reflects the status of its operation and affects the economical efficiency of the power plant.As we know,what mainly influences the combustion efficiency is the heat loss,and the excess air coefficient is an important factor affecting the heat loss.This paper’s...

Stiffening rings has a greater impact on the equivalent stress of steel, especially when the stiffening ring has proper spacing and the large rigidity, the stiffening ring will share part of the load, so it can lead to the circumferential stress of steel reduce. Selecting the appropriate stiffening ring...

Arch dam is a water retaining arch structure that convex upstream on the plane, the stability of arch dam does not need to rely on its own weight in water to maintain, mainly using the reaction of the bedrock of arch side to support and the section of arch ring mainly bear the axial reaction force, which...

The steel lined reinforced concrete pressure penstock is a new kind of structure design form. Lots of structural model test results and prototype observation data indicate that under initial water pressure stress, the steel lining and outer wrapped concrete shell can work with the good joint, joint bearing....

The inverted siphon straw is pressure water pipeline which convey cannel water through valley, river, road, depression, or other channels, and it is a kind of channel cross building, is one of the most important buildings in irrigation engineering. In order to the stress and deformation distribution of...

Critical path management is an important way for controlling the schedule of an engineering project, it always difficult to describe by a precise manner for the uncertain characteristic. In this paper, the interval number is applied to describe the uncertain characteristic, and a preference indexes are...

Railway Platform lighting is very important to the passengers and the station's management. In Taiyuan railway station, station’s staffs used to switch lighting on and off manually.It increased the difficulty of the station’s management. Based on the Programmable Logic Controller (PLC) controlled, Taiyuan...

In this paper, the beneficiation of a copper oxide ore of Yunnan was investigated through bench-scale froth flotation tests. During the froth flotation, the conditions that effect on the flotation performance was researched, including the grinding fineness and the dosage of lime as depressant, sodium...

The extraction of copper from highly oxidized copper ore in sulfuric acid solutions was examined in Yunnan Province. During the leaching of copper, the leaching rate of cuprous concentration was affected by various parameters such as particle size, leaching time, the weight ratio of liquid to solid and...

Constant-on time voltage feedback controlled Buck converter is one kind of typical nonlinear system. It produces unstable behavior in the running of the system. With the change of output electric capacity ESR, bifurcation and chaos behaviors are shown in the system. The mechanism that produced the phenomenon...

This paper focus on the bifurcation behaviors of voltage regulated forward converter. Meanwhile it builds a mathematical model based on voltage closed-loop control system, and discusses load resistance that makes system produce bifurcation phenomena. The bifurcation mechanism indicates that with the...

Low-density parity check (LDPC) codes which have many encouraging characteristics, such as the lower complexities of the hardware implementation, closing to Shannon limit and no patent barrier, have gradually regained the interests of researchers. We present performance simulations in allusion to QC-LDPC...

This paper introduces a chip waveform distortion model of satellite navigation signal in time domain that is adopted by ICAO, and then proposes a FPGA implementation method with which three categories of chip waveform distortion of navigation signal in time domain are modeled. A comparison is made between...

This paper presents a new formal modeling framework for reconfigurable control. The main idea is to use the STRIPS (STanford Research Institute Problem Solver), a formal language for automated planning which can integrate the cause-effect knowledge and the automated reasoning mechanism into one model....

This paper presents a formal framework for reconfigurable control, based on model checking. This framework first generates a flexible model (i.e., an execution structure) according to the diagnosis, then defines a temporal specification language to deal with the problems due to infinite execution cycles...

In the railway permanent way department,the daily work of maintenance,inspection and repair dependents on a large amount of inspection data which comes from various ways,such as dynamic/static monitoring devices,mapping on site,design standards or railway rules.These data needs to be imported from various...

In recent years, the airlines industry develops pretty fast. However, the profit of airlines does not match with the inputs. So the purpose of this paper is that evaluating how serious the problem is by measuring the technical efficiency of airlines in China with the Stochastic Frontier Analysis. We...

A method of reversible data hiding in encrypted images is proposed, in which either data-extraction or image-recovery is applicable to an encrypted image. The proposed method is a reversible data hiding in encrypted image with improved performance. A content owner first encrypts the image by permutation...

Electromechanical impedance technique is a very important research field in the structural health monitoring. This paper intends to study the mechanism of some interesting phenomena in the application of this technique, such as variation rules in electrical conductance spectra at high frequency range...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

In this study, we used hydrological alteration diagnosis system to acquire the flood variation form and degree of Xuanen County under changing environments, and analyzed its cause mechanisms using the formula of Chézy-manning. The results showed that: firstly, the annual maximum daily flow series from...

Membrane separator in microbial fuel cell (MFCs) is one of the main factors that could significantly affect the performance of MFC. Proton exchange membranes (PEMs) are typically used in two-chamber microbial fuel cells to separate the anode and cathode chambers while to allow the transfer of protons...

In order to study the pollution level and leaching characters of the heavy metals in the soil of lead-zinc mining area, soil sample in a lead and zinc mine of Hunan is taken as study object. The concentration of heavy metals was analyzed byinductively coupled plasma massspectrometry after microwave digestion...

Pseudoregma bambucicola is a highly reproductive bamboo aphid that affects the normal growth of bamboos, induces the formation of sooty molds, and even causes substantial injury or death among young bamboos. To identify the most effective chemical synthesis of drugs to control this aphid, this study...

A study on the utilization of tea residues together with cellulase production is a meaningful research topic, this study aimed to make full use of tea residues, in this study, tea residue was utilized as a solid culture medium to produce the enzyme of cellulase by T. reesei, we used the methods of orthogonal...

In view of non-standard question of the current construction project managers's "moral" qualities structure, On the one hand investigated studied and analyzed domestic and foreign construction project managers's "moral" qualities structure present situation referred to the domestic and foreign existing...