The power is a essential resource in the life of people. With the continuous expansion of the city and covering an area of the grid more widely, it is difficult to control the growing supply. The stability and the change of the power in the power system have a direct relationship. An effective way to...

With computer technology in power system applications, power system gradually automated upgrade, effectively improve the efficiency of the system operation and improve the efficiency of the power companies. At the same time the realization of the power system automation can make the power system be normal...

Power infiltrate every corner of social development, has become an integral part of the scientific progress and development ,and improving quality of people's lives, and it is the era of progress closely. Electrical penetration in various fields has laid the power position in the social development....

At present, China is at a critical stage of socialist modernization and further development of the social economy, making life, learning, and the production of electrical energy demand continues to increase, the quality and security of supply requirements more stringent, while dispatching automation...

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...

According to the energy balance equation at the ice bottom, the ice bottom energy balance system has been given, and the existence and uniqueness of the solution of the system has been proved. The oceanic heat flux is selected as identified parameter and the the ice thickness deviation as the performance...

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...

D2D (Device-to-Device) communication is a new technology that allowing terminals communicate directly by reusing cell resources under the BS(base station) controlling.After bringing D2D communication mode into cellular network,and that will cause interference problems.This paper describes the generation...

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...

On the basis of a clear definition of the meaning of the competitiveness of agriculture, proposed by four factors, 10 basic indicators constitute agricultural competitiveness evaluation index system, comprehensive evaluation identified by factor analysis, and the use of detailed statistics on the east...

For fulfilling the household appliance's product lifecycle management, in this paper, while taking the refrigerator as the research object, a product lifecycle management system based on radio frequency identification and the electronic product code internet of things is designed and developed. The PLM...

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...

This paper’s objective is to solve the problem of China’s Oversea Mineral Resources Exploration and Development. Based on the similarities and fundamental differences between Japan and China, we analyzed the experience of Japan’s useful ideas, and we also compared and analyzed the strategic configuration...

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...

The rotary is one of the important actions of deck hydraulic crane, and the hydraulic rotary apparatus is a driven source of rotary, so hydraulic rotary apparatus plays an important role on the rotary motion of the deck hydraulic crane for the stability and safety. When on the hydraulic rotary apparatus...

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...

The transverse offset center of gravity of goods is one of basic railway technical standards. The current in our country states: The transverse offset center of gravity of goods should be less than 100mm.This rule quoting The Soviet Union's 1950s rules is lack of basis. It just meets the derailment coefficient...

The main objectives of the present article are in simulating the collision phenomenon between two liquid droplets and in discussing the influence of Weber numbers on droplets collision. The investigation is completed based on the finite volume numerical solution of the Navier-Stokes equations, in the...

Large scale wireless sensor networks (LSWSNs) need to provide complete solutions for users by integrating services and data into information service systems, and are more focused on their own functions. Services are playing more and more important role in LSWSNs. This paper presented an approach, called...

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...

The transmission of marking data nowadays require a separate PC as a client at the receiving terminal in laser marking technology.This paper presents a new data receiving and state feedback solution. It is the industrial Ethernet that based on the composition of embedded network technology.The scheme...

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 order to study on the basic mechanical characteristics of CRTS III type slab ballastless track structure, a product of independent research and development of China, we have established the spatial mechanical model of elastic and non-elastic cushion of CRTS III type slab ballastless track based on...

Simulations and verifications on graphene electronic devices are foundations for application of graphene in integrated circuits. Modeling on graphene metal-oxide-semiconductor field-effect transistor is implemented with artificial neural network. The proposed model has high accuracy and high efficiency....

Aiming to offer better ubiquitous healthcare (U-healthcare) to the aged and the disabled, this paper introduce a smart wheelchair with embedded sensor system for vital signs which can be controlled by simple gestures. In motion control module, firstly the gesture is distinguished from background using...

Abstract--The dynamic characteristic test of the decoupling disc hydraulic mount designed by ourselves was performed firstly to establish surely the accurate simulation model of the hydraulic engine mount. In order to study the particular dynamic characteristic of the homemade decoupling disc hydraulic...

1.Objective: This study aims to propose the changing of the joint force during walking cycle based on the multi-degree-of-freedom exoskeleton. 2.Methods: The dynamic model of the joint structure is built up and the force situation is gotten when it is working. Then the electric currents are obtained...

With the improvement of request in diesel engine dynamic performance, economical efficiency and emission behavior, test technology of diesel engine has gained extensive attention, which has become one of the hot points in the domestic and international relevant research fields. Among the performance...

The measuring technique for characteristics of localized surface plasmon resonance (LSPR) effect of metallic nanostructures is studied in this paper. A simple apparatus for measuring the LSPR properties is designed and developed with the help of an integrating sphere using a single light beam; the sphere...

Data mining algorithms behave differently under different application context. It is an important topic to find out the characteristics of the relevant algorithms. This paper studied PCA based dimension reduction and the functional performance of data mining algorithms (ANN, Bayes, KNN, K-means) under...

Aiming at parallel computing of shared memory multiprocessors based on JOMP, this paper probes the writing, compiling and running of a *.jomp file in detail and describes a complete specification and process for parallel programming. It expounds the format of parallel directive sets, main runtime libraries...

The fracture reason of a driving shaft used motorcycle engine was analyzed by means of macroscopic examination, chemical analysis, fracture analysis, hardness testing. The results showed that the fatigue fracture mode was determined and incomplete hardening of the axis and increasingly growing load were...

Jet pump is a mechanism of vaccum pump working with medium of liquid or gas for the transportation of fluids such as solid, liquid and gas in the fields of water conservancy, power, petroleum, metallurgy, transportation, chemical industry, environmental protection and fire protection. In this paper,...

Abstract-- Governance or public or private individuals and institutions management is the sum of many of the same services. It is made to reconcile conflicting or diverse interests of joint action and continuous process. It includes the right to force people to obey official institutions and rules and...

The guided wave with the bidirectional propagation leads to complex signal which would be difficult to identify the end echo and the flaw echo. To simplify the guided wave signals based on the magnetostrictive effect, one-direction receiving method is investigated. The receiving guided wave method in...

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,...

Abstract: This article mainly from the waste of decorating family, switch socket is emphatically discussed. In this paper, we use qualitative and quantitative research method of combining the switches and sockets for home improvement wasteful conduct research. From the current situation of urban families...

Empirical studies show that the most successful continuous-time models of the short term rate in capturing the dynamics are those that allow the volatility of interest changes to be highly sensitive to the level of the rate. The mean-reverting constant elasticity of variance (CEV) process with regime...

In multiple sound-sources environment, robustness is a major challenge for audio recognition system based on audio fingerprinting, because mixed audio signals may make recognition rate has a significant decline. This paper proposes a novel audio fingerprinting method, which uses blind source separation...

With the deepening of the unconventional reservoir exploration, formation lithology evaluation is becoming more and more difficult, because in addition to the common minerals such as quartz, calcite, illite, some special minerals like pyrite, gypsum, dolomite, ankerite can also been seen. However, conventional...

A set of vehicular farmland information processing system is developed in this paper. System uses the EPCS-8980 ARM industrial control computer and embedded GIS system as the information processing center, take Beidou navigation receivers as positioning tool, and Hall approach switch sensor as unit speed...

Tridimensional injection-production well pattern has significant advantages on development of very thick buried hill reservoirs. But optimization is needed because the space configuration relation of buried hill reservoirs is very complicated. Reservoir numerical simulation techniques are applied in...

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...

Separator membrane in microbial fuel cell (MFC) is one of the main structures and could significantly affect the performance and the cost of MFCs. Proton exchange membranes (PEMs) are typically used in two-chamber microbial fuel cells (MFCs) to separate the anode and cathode chambers while to allow 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...

Big Data has been one of the current and future research frontiers. Data sets grow in size because they are increasingly being gathered by ubiquitous information-sensing mobile devices, aerial sensory technologies, remote sensing, software logs, cameras, microphones, radio-frequency identification readers,...

This paper summarizes the concept and classification of traditional culture, from different angles, this paper used for the traditional culture in graphic design thinking. Through the analysis of the method of plan design and the traditional cultural fusion, illustrates two forms, to realize the importance...

This paper first introduces the chemical structure of ethylene-propylene rubber (EPR) composition and performance. And then expounds the production technology of ethylene propylene rubber, of which mainly is the story of metallocene catalysis technology and the metallocene catalysis technology. Finally,...

The article main research of the formation of Chinese new words rhetorical ways. First analyzes the basic situation of the "word" rhetoric, and definition and principles of new words, and then study and discuss all kinds of rhetoric formation emphatically, including made lexical metaphor, metonymy formation...

This is a review on the structure and performance characteristics of carbon fiber and carbon fiber composite material (CFCM) and their application research progress. Carbon content varies with the type of carbon fiber, and the carbon content is usual more than 90%. Carbon fiber possesses excellent mechanical...

Traffic incidents detection has become an important issue in the past decades, which would result in a large amount financial cost and considerable reduction in traffic efficiency. Most previous studies mainly pay their attention on automatic incident detection in freeway corridors based on the traffic...

Firstly, from the point of view of the frequency domain Helmholtz equation, a detailed description of the frequency domain modeling process and frequency domain blended seismic acquisition forward process were given. By solving the Helmholtz equation, reverse-time migration method in frequency domain...

The system of time-to-digital conversion is based on the Field Programmable Gate Array (FPGA)[1], compared with the TDC system existing now, the innovation of this design is can measure the width of the continue pulses. This system is designed on the Spartan-6 platform of the Xinlinx company. There are...

This article system, fully discusses the Web transaction clustering analysis of two stages, namely data preprocessing and cluster analysis phase. Data preprocessing phase, including log analysis, data cleaning, the user identification process; at the same time, studied the Web transaction clustering...

With the lightest weight as the optimization goal is established the mathematical model for optimal design of planetary gear reducer, and put forward the solving method. When a given power P is constant, according to the input speed and other technical conditions and requirements, find out a set of economic...

This paper mainly has conducted the research to the incentive problem in modern enterprise management,which is based on Maslow's theory of needs. This paper firstly gives a brief overview of the Maslow's needs theory, and then carries on the analysis to the knowledge workers from the two aspects of the...

Objetive The aim of the present study was to investigate the pharmacokinetics of coumarins from cortex daphnes (CCD) in a microemulsion (ME) gel transdermal delivery system with a newly developed HPLC method. Methods The pharmacokinetics of the microemulsion containing CCD was studied in rabbits with...

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...

This paper describes how to effectively control the project investment,we give a comprehensive exposition of how to effectively control the project investment from the project decision-making stage, project design stage, project bidding phase, the construction phase of the project respectively, emphasizing...