Advances in Engineering Research

The stiffness of fully cured two-component epoxy resin was studied by means of Dynamic Mechanic Analysis (DMA) in this research, as well as the temperature sensitivity and frequency sensitivity. The relaxation properties was included, both one fully cured resin and oven aged resin. Research results illustrates...

Arctic system is an important part of the Earth as a whole system, monitoring and research polar marine environment, to reveal the rapidly changing Arctic marine environment and its significance in response to the feedback effect of changes in the Earth. However, due to the harsh weather conditions of...

In this paper, the near infrared spectroscopy analysis technology, combined with the traditional appearance of quality testing and chemical analysis methods, the establishment of red date quality characteristics of different quantitative digital calibration model. Based on the accumulated data of red...

Taking example for Pu'er raw tea 7542(106) in paper, sample pre-treatment conditions ( Headspace) and detection of the gas chromatography mass spectrometry (GC-MS) were optimized. Under the condition of optimization, the chromatographic fingerprints of nine batches of Pu'er raw tea 7542 sample for different...

Color plays a significant role in the interior space design of high school libraries. From the perspective of the color’s influence on library users, this study analyzes how the scientific use of color can provide readers with high-quality reading atmosphere and explores the new development trends of...

Based on ventilation network graph is rooted directed weighted graph, its’ nature of minimum spanning tree is proposed. According to the dense of ventilation network graph, introduces heap to improve the Prim algorithm, gives C++ implementation for the algorithm, and finally gains the Prim algorithm...

A pilot-scale anoxic-anaerobic oxidation ditch process was used to investigate the influence of varying temperature on organic substance, nitrogen and phosphorus removal, and the efficiency of these pollutions removal in about 15 ˚C. The results indicated that when the temperature was dropped from about...

The study investigated the effect of coagulant dosage, flocculation time, and precipitation time on the turbidity removal rate of Oxidized Poly-silicic-ferric (OPSF) coagulant compared with the polyferric aluminum (PFA) coagulant. The effect of OPSF on coagulation and filtration under short-time coagulation...

Based on extensive usage of the smoke exhaust ventilator, this paper develops a processing technology of VOCs (volatile organic compound) by photo-catalytic-oxidation technology. This method couples with the existing the smoke exhaust ventilator technology to control the cooking fume emission ---VOCs.

According to the base theory of heat transfer, a thermodynamic for the permanent synchronous motor of hybrid electric vehicle was studied. The conception of temperature modulation factor was introduced; the temperature raise impacting the fundamental characteristics for motor was analyzed. Then the thermodynamic...

Through the analysis of TN-C and TN-S connection mode, this paper expounds the advantages and disadvantages of TN, the voltage distribution of the load is introduced through an example, and further introduces the necessity of developing neutral wire over current alarm device in the distribution network,...

The aim of this study was to investigate the surface propertity and biocompatibility of Ti and Ti6Al4V after the treatments of sandblasting by Al2O3 and etching by hydrochloric acid-sulfuric acid mixture. Surface morphology of samples was observed using scanning electron microscopy and the roughness...

Airborne Electronic Equipment data is unmeasurable, and computing the parameter based on component model is inaccurate and is time costing. The paper presents airborne electronic equipment parameter estimate method based on clustering by fast search and find of density peaks (CFSFDP) and ant colony optimization...

The internet is facing many crises and difficulties in the rapid development period. More and more people begin to pay attention to the problem of network security. The most effective strategy is to use data encryption technology to protect the safety of the network. Data encryption technology is divided...

Magnetic nanoparticles have been widely used in the field of biotechnology and medicine, which has a great importance to precise and quantitative detection. This paper introduces a magnetic nanoparticles detection device of low cost, high sensitivity and real-time. When the diameter of the magnetic nanoparticles...

The stock market is an important part of the securities industry and financial industry essential, universal attention by investors. Effective stock prediction plays an important role in the field of financial investment, so on the stock price of analysis and prediction has a very important theoretical...

Laser arc sound signal hides welding status information. It is a great significance to control the B&K company and four channels input sound and vibration analyzer. Using wavelet base which is db4, combining different methods to decompose laser arc sound signal. These methods include hard threshold,...

Cr is one of the critical industrial heavy metal pollutants. Understanding the pollution level and source of Cr in the early stage of the reform is helpful to provide background information to environmental remediation. This paper analyzed the content and distribution of Cr in Jiaozhou Bay waters in...

The latest research progress of the floating hydraulic wave power generating device -- (Dragon I) is introduced in this paper. Dragon-I is a kind of point absorbing wave energy conversion device which uses hydraulic electricity generated system with energy storage function as the intermediate link to...

In this paper, the mixed abrasive jet mixing chamber was used as the research object, and the mixing efficiency was improved by introducing the flow around the cylinder in the mixing chamber to enhance the chaos of the flow and promote the turbulence fusion. The three parameters of cylindrical azimuth,...

Safety accidents are much more than general occasions,therefore strengthen the simulation training safety technology training,which could make the worker familiar with tools of production safety operating rules,is particularly urgent!Electric marketing skill training is an important part to keep electricity...

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...

From the point of view of sustainable development, wastewater zero discharge is undoubtedly one of the best measures. Saline wastewater reuse domestic power plant desulfurization system research is very few. This paper analyzes the effects of high concentration of SO32- on wet flue gas desulfurization...

This paper's objective is to study the influence of music therapy and information technology on bad feelings and cognition of high blood pressure patients. The method adopted is to make a retrospective analysis of 100 cases medical records of patients with high blood pressure admitted in a hospital....

The curing behaviors of two-component epoxy resin was studied by means of Direct Tensile Test (DTT) in this research at the curing condition of 14 °C. The direct tensile strength was investigated as well. Research results illustrates that the investigated two-component epoxy resin needs about 4 days...

China puts forward the green development strategy in the "Twelve-Five Year" Plan. In the report of "The 18th National Congress of the Communist Party of China, "green" is the core of ecological civilization construction of five development concepts, "green" is the core of ecological civilization construction....

In operation system of farming machine, the moving target detection is a key part of the monitoring system. Aimed at the shortcoming of poor detection effect of Gaussian background modeling, this paper proposes a detection method based on non-reference background model. The model utilizes the previous...

Seven-year-old tree of Ziziphus jujuba ‘Zhanshanmizao’ cultivated in field were used to study the degree dormancy, chilling requirement (CR) and dormant physiological indexes such as the content of water, carbohydrates, free amino acid, and soluble protein. The results showed that the Z. jujuba ‘Zhanshanmizao’...

Grounding technology plays an important role in ensuring safe and reliable operation of the power system and the personal safety. Grounding resistance as an important ground parameter, dictate the degree of electrical safety. This paper introduces the basic principles of testing the grounding resistance,...

This paper firstly analyzes the problems in the existing micro-grid protection. Then, the paper puts forwards a new method for micro-grid protection judgment and fault location. By using the communication system, the over-current protection device can satisfy the protection-requirements of alternative...

A meso-scale discrete element model(DEM)of barite concrete beam was developed by the aid of DEM software PFC2D. Using this model, numerical simulations of the test conditions in meso-scale were conducted as well. The dynamic failure process of barite concrete was simulated by changing the quality and...

In recent years, tilt rotor aircraft has been greatly developed because of its excellent performance. However, because of the complicacy in transition mode study on this aircraft is needed. In this paper a six degrees of freedom dynamic model of the tilt rotor aircraft was established, and PID controller...

The seismic signal denoising is to extract useful information from seismic data, remove interference noise and improve the signal-noise ratio to lay the foundation of subsequent treatment of the seismic data. The paper gives the basic principles of the curvelet transformation and puts forward the method...

The PTT fiber is one of the elastic polyester fibers Owing to the similar physical and chemical properties of PTT fiber and PET fiber, the current testing standard methods are difficult to measure their blending ratios. According to the density of PTT (1.33 g/cm3) is slightly lower than PET (1.38 g/cm3),...

In order to comprehensively generalize the research status quo, achievements as well as deficiencies on the power system reactive power optimization algorithms, a universal reactive power optimization model was introduced in this paper, and a variety of common traditional optimization algorithms, artificial...

Time reversal technique as an excellent channel equalization technologywhich can restrain multipath effectively to implementation time focusing and can improve the distribution of energy in space to implementation spatialfocusing.This paper aim to improve the shortcomings with poor accuracy of positioning,a...

In traditional non-local mean value algorithm, both filter parameters and measurement of search neighborhood are constant globally and it does not show diverse structural features of different areas in images, which makes the weight of similarity of image blocks distributed unreasonably, and thus de-noising...

In order to realize network for instrumentation without network interface, current instrumentation's network was studied. It adopted AODV routing protocol in wireless Mesh network and designed multiple-interface instrumentation network agent, which could connect network and control terminal interconnection....

Whether and in what degree the facade decoration of rent shops on ground floor in a high rise residential building affects the earthquake-resistibility of the structure The author analyzes the mechanics quantitatively, and draw that the seismic level of the building will reduce about 0.3 level. Additionally,...

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...

People will always carry wet umbrella to shop, libraries, and other indoor places. These phenomenon always contribute to wet and slippery ground and a series of complex cleaning work which indirectly reduce customers’ purchasing power. Based on this kind of phenomenon, we explore to design a magic umbrella...

The performance of nitrogen and phosphorus removal in a pilot-scale anoxic-anaerobic oxidation ditch (OD) process was investigated. In order to achieve a high removal efficiency of nitrogen and phosphorus, the aeration was optimized and an anoxic zone was formed in the front of OD reactor, thus the operation...

With the development of science and medical industry, people pay more and more attention to their health status. And massive human health data are generated in this process. As an important component of the cloud computing technology, the open source framework Hadoop provides us with a platform for storing...

A Hamiltonian mthod is proposed to solve the steady state heat conduction problem. Due to the completeness property of the eigensolutions, any solution vector can be easily described by linear combination of the fundamental solutions. The method can be used to directly solve various boundary condition...

The hydraulic steering gear is an important equipment of the ship and its failure could contribute to navigation unsafely. With regard to the failure of a certain hydraulic steering gear and inspection of the steering mechanism, this article specifies reasons for the failure of the steering gear and...

Power system is an important part of power electronic technology application domain. With the rapid development of electronic power components and computer technology, power electronic technology has been widely used in power system. It is of great value and significance in stable operation of power...

In the process of operation, the loading condition of automobile steering knuckle is very complex, which seriously affects its structure strength and fatigue life. In this paper, finite element analysis is applied to calculate and analyze the deformation and stress distribution in steering knuckle under...

In PV microgrid control system, the delay and filter inductance value change will influence the response speed, stability and grid-connected current distortion rate of system. Therefore, this article proposes a power feedforward robust prediction dead-beat grid-connected control method. The system’s...

Concrete structures built in marine environment are susceptible to attack by chemicals such as chloride which diffuses into concrete structures and attack the reinforcements embedded in reinforced structures and break down the reinforcement protective layer. This paper presents the use of Abaqus Finite...

It was discovered that there was prominent interaction among transformer oil moisture content, acid value, furfural content and insulation paper polymerization degree during monitoring of transformer operation. Therefore, insulation paper aging and furfural generation under the action of thermal energy...

Due to the runway unevenness, random vibration will occur of aircraft landing gear during impacting and taxiing phase. In view of the simplified two degrees of freedom model of landing gear, the nonlinear dynamic equation of the system can be established. By using the military specification’s formula...

Aiming to the problem of running with the capacitor bank balance protection action causing tripping, by on-site analysis of the phenomenon and the capacitor discharge coil voltage ratio test checks, secondary coil voltage has relatively large errors caused by the tapped discharge coil. When the system...

Iron ladles tracking is the basis of BF—BOF iron production scheduling and is very important for the close convergence between the production of ironworks and steelworks. Recently in most of the domestic steel plants, the tracking of iron package is done by humans, which is unable to be timely access...

The development and stabilization of the society are related to the production and operation activities of Power Supplier, who undertakes great social responsibility. It is high qualified services of Power Marketing is the fundament of creating economic benefits. Setting out from the important value...

The nickel deposits of different microstructures were obtained by electroforming with abrasive-assisted, .The effects of friction strength on the surface morphology and the microstructures of the deposits were studied. The results indicate that the deposits with homogeneous microstructures were obtained...

This article tries to find an arbitrage strategy in the gold prices market of China. And the method is the linear regression based on the time serious date, the gold price, the gold companies’ stock prices and other metals prices from 2002 to 2014, and the data of different period, so we tried to test...

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...

Chlorophyll-a concentration is an important parameter of the Southern Ocean water environment, and is influenced by factors such as melting sea-ice and so on. This paper validated and justified the applicability of chlorophyll-a and sea-ice extent derived from MODIS data in understanding the spatial-temporal...

To improve the long-distance transmission cable interface test automation level, proposed feature extraction based on the type of adaptive signal recognition technology. Through various types of interface signals in time domain and frequency domain characteristics analysis, using interpolation to achieve...

The paper analyzed a steel thick cylinder, established a bilinear kinematic hardening model based on the von Mises yield criterion. We also considered the parameters of the material yield limit, the autofrettage pressure, working pressure and cylinder diameters, studied of a response surface model to...

In this paper, first of all, how to realize the real-time positioning of the robot by the inertial sensor was discussed. Secondly, how to realize the real-time positioning of robot by visual sensor was discussed and researched deeply. Finally, combined with low-cost inertial measurement unit (IMU) in...

Agricultural expert system has been widely used in developed countries, but these cutting-edge technologies have not been universal used in the China's agricultural production, because terminal equipment is inconvenient to carry and complicated to operate for farmers. Under this situation, this thesis...

Non-contact surface flow field measurementhas been widely applied in many engineering applications. This study developed a channel instantaneous flow field measurement system based on calculation of optical flow. Some key issues including spatiotemporal filtering and additive fusion, perspective correction...

Precisely making a judgment after a chemical weapon attack in the battlefield on its hazardous effects is the fundamental work in order to perform a safe and whole chemical defense in the army. In this article, the author has conducted a throughout analysis on its antipersonnel effect, delaying effect...

With the rapid development of China's economy, the urbanization process continues to accelerate, increasing the amount of large construction projects, at the same time because of the environmental pollution problems caused by the construction of more and more serious. In this paper, the construction...

The working environment of engineering mechanical arm hydraulic drive system is complex. The response indicators of the hydraulic drive system need a higher requirement. The conventional PID control method is limited to the complexity and imprecision of the mathematical model of the hydraulic drive system,...

Most glass composites products in engineering are manufactured by a pultrusion process. Because the pultrusion process is affected by many factors, it is not easy to control the performance of products. In order to obtain good performance and meet the requirements of glass composites products in specific...

In this paper, we introduce the Hamiltonian system to study bending problems of elastic cantilever-beam. The variational method and the variable seperation method are employed to establish the dual governing equations. Due to the completeness property of the eigenvectors, the solution can be expressed...

Most of the aircraft skin parts are with small curvature and the most difficult problem is the controlling of springback. In this paper, the comparison for springback between high-pressure water jet forming and stamp forming is presented by using software ABAQUS. The springback of the high-pressure water...

This paper analyzes the two kinds of classic traditional association rules algorithm Apriori and FP - tree which those are advantages and disadvantages .In order to solve the Apriori algorithm for mining association rules requiring multiple scanning database and generate a large number of candidate frequent...

In this paper, the influence of distribution line tripping is analyzed by means of the combination of distribution line tripping case, from equipment, user influence, external factors and natural factors. Power distribution line tripping accident occurs, which affects the economic benefit of power supply...

The quality difference of data itself cause low credibility of data mining conclusions, which has become an important factor affecting the application of data mining. The cleansing algorithms and tolerate algorithms designed in view of incomplete data can not solve this problem fundamentally. By means...

In view of the TV guided missile terminal guidance phase of visible light image information intra- frame of fuzzy focuses on the characteristics of the low frequency part of image, the lifting wavelet improvement are introduced to the blur image restoration field of terminal guidance phase intra-frame...

The fan coil systems are employed to create a satisfied built environment by some feedback controls. Sensor is one of the most important components in the whole system. Unfortunately, Due to the long term using, sensors fault would occur unavoidable. It is significant to reduce the energy consumption...

In order to solve the problem of high fruit drop rate of Zizyphus Jujuba ‘Zhanshanmizao’, this experiment used Z. Jujuba ‘Zhanshanmizao’ as material, throught measuring the fruit drop rate and organic nutrient changes with different tree vigor, to study the dynamic change and drop mechanism of fruit...

Cyberspace security is an important aspect of national security strategy, and cyberspace experiment needs to construct a realistic test environment. In addition to hardware, software and basic service, the network traffic simulation is also an important aspect of test environment construction. This paper...

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....

Lubricating oil can be easily polluted by water, thereby negatively affecting the lubricating property. A single technological method is difficult to develop for efficient demulsification and dehydration of emulsified lubricating oil. In this paper, we propose the combination of swirl centrifugal field...

At present there exists some problems and shortcomings in loading system for coal mine enterprises, such as can not realize comprehensive management real-time monitoring and remote control. Aiming at the loading system’s defect of information “lonely island’’ ,this paper based on the analysis of coal...

As the most commonly used method in speed governor for marine diesel engine, PID control method is not very effective for nonlinear systems with big variation of parameters. To improve the dynamic precision of diesel speed governor, a fuzzy PID hybrid controller of parameter self-adjusting is put forward...

With the rapid development of electronic business, many online group-buying websites emerged, these websites provide products or service to customers with a discount. What kinds of products can increase customer purchasing intentions still an austere fact in the face of competition for the managers of...

With the formula of transforming the vague value to the Fuzzy membership, the decision method based on the Vague set distances was put forward. In the decision program, the Vague set distance is the measure way to evaluate if the designing scheme approaches the expected scheme. The smaller the distance,...

Conventional engineering optimization design technology is often computational expense and highly time cost, thus we need to take approximation technique to speed up the design process and reduce design cost. We herein would introduce the close-top mill housing optimization model, take Optimal Latin...

The convoluted nature of contemporary architectural design stands as an innovation trend. However, this tendency could hardly be supported by traditional computational assist design technique. The purpose of this research is to present digital morphogenesis technologies increase the accessible of generation...

The reinforced technology by using FRP sheet has a certain application in practical engineering, it basically adopts the passive paste of non prestressed FRP sheet to raise the bearing capacity of components. Carbon fibre has high tensile strength and modulus of elasticity, but the ductility of the carbon...

This paper presents a system designed for automated nucleic acid extraction machine based on magnetic bead separation method. A hardware platform has been established which consists of motor controlling module, temperature controlling module and a computer; also, we designed the system software to achieve...

In order to realize the process mechanism that Shewanella oneidensis(S. oneidensis ) reduced uranium(VI), and improve its reduction effect, the reduction mechanisms of uranium with S. oneidensis were studied by FTIR, SEM, EDS. The results show that after the S. oneidensis reduction of U(VI), the cell...

With the rapid development of substation automation and network communication technology, IEC61850 standards promulgated and implemented, the traditional substation has been a gradual transition to the smart substation. In the collection intelligent substation energy measurement technology realized the...

This paper builds up the basic framework of the Assistance Decision-making Support System for Smoke Screen Support by analyzing the Requirements and Functions of the Assistance Decision-making Support System for Smoke Screen Support and the auxiliary decision-making procedure for typical combat patterns...

In this paper, we introduce the symplectic method into the quasi-static analysis of the viscoelastic circular cylinders, with the emphasis on the local effects. By using the of variable separation method, all the general eigenvectors of the problem are obtained analytically. The traditional Saint-Venant...

In this paper, a nonlinear control method used to make two different chaotic systems achieve synchronization within finite time is designed based on the sliding mode variable structure control theory and the driving response control method. In this method, the reaching law of the sliding mode variable...

The video surveillance system is a more direct monitoring means, widely used in industrial production, transportation, electricity, office buildings and residential areas. Plenty of remote monitoring systems adopt the mode to collect and compress data through local end and remote monitoring center to...

He traditional human-aided medical guide service costs heavy human resources. The on-line medical guide service is almost human-aided and has uncertain waiting time for patients. Existing medical guidance systems still have insufficiency for improvement in reliability and correctness. This paper proposed...

For wireless sensor network (WSN), the first step is to deploy sensor nodes effectively into the target area. In fact, node deployment will greatly influence the lifetime and performance of WSN system. In this paper, we summarized the evolution of sensing models frequently used. Some main models' property...

One catalytic discoloring spectrophotometry with double indicators and dual wavelength is proposed in the Thesis to measure the content of trace iron in three kinds of hematinic, artemisia integrifolia and other vegetables. In HCI medium, methyl orange and methylene blue are indicators. At wavelength...

Aiming at cam indexing mechanism, this paper, considering the influence of elastic deformation, bending and twisting factors, combining the knowledge of rigid-flexible coupling Dynamic System, established the rigid-flexible coupling dynamic model of globoid cam indexing mechanism with six degrees of...

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...

Noise from the power substation is an arousing environmental issue in recent years. Noise has also been strictly required by GB12348-2008. Noise measuring on certain power substation stations show that noise indices in most stations exceed the Class 1 level according to GB12348-2008. Porous aluminum...

the study of the change of water jet in submerged condition is an important foundation of the exploitation of offshore hydrocarbons depending on water jet technology. The characteristics of the flow field structure in different confining pressure conditions are analyzed theoretically and numerically....

The parametric design macro programs of two basic types of single-layer conical shell are developed by using APDL(Ansys Parametric Design Language) parameterized design language.The parametric design of single-layer conical shell structures can be built under the condition of giving the macroscropic...