Advances in Engineering Research

A reduced-scale compartment model was built to investigate the fire behavior in a confined compartment. Three different sizes of pool fire were involved in this study. And the fire behaviors in open space were also studied to compare with which in the confined compartment. The results shows the fire...

Facing the network of high-speed development, people through the network were daily work, learning and shopping activities increased significantly, attendant is server receives the user request number is exponential growth. In this context, Linux virtual server (LVS) cluster provides a better solution,...

The distribution of geothermal resources is influenced by the geological structure. It is of great significance to find the factors which influence the heat source. On the other hand, geothermal causes the local temperature anomaly, and further causes the change of the physical properties of the target...

This paper by analyzing the existing double boom system, and combined with engineering examples the through arch bridge in the mobile load that is the role of vehicle load force each boom situation. Studied double boom system in response to vehicle load internal forces, also studied a boom when suddenly...

A hydraulic directly operated reducing valve driven by Giant Magnetostrictive Actuator(GMA), which is used in a vehicle, is designed in this paper. The mathematical models of GMA and reducing valve are established. And then use of Matlab and AMESim analyzed the influence of theirs structure parameters...

Seven-year-old tree of Ziziphus jujuba ‘Zhanshanmizao’ cultivated in field were used to study the breaking dormancy and the dynamic changes of antioxidants (superoxide dismutase, peroxidase, O2-•, and malonyldialdehyde) in jujube shoots under different concentrations (2 mmol/L, 4 mmol/L, and 6 mmol/L)...

Since 2006, the labor market in China continued to increase a lot. Based on the analysis of main factors which affecting the labor market, this paper uses BP neural networks based on BFGS to forecast the labor market in China. First of all, dealing with the initial data, try the best to meet the requirements...

This paper mainly explores problems in the test of surge arrester. In the test, because of the restriction of the field condition, the lightning arrester can not be fixed, and the requirement of the test condition is not satisfied. Can not guarantee the operation safety, the work efficiency is low, the...

The design method and design criteria for low noise gear were introduced. Based on the analysis of gear modification principle, determination of basic parameters and the design of modification scheme, taking SS8- II type quasi- high speed passenger electric locomotive gear transmission as a studying...

The extensive utilization of electric power makes the safety of power supply facilities become the priority among priorities, and the failure of the power supply facilities will bring immeasurable loss. How to prevent in advance, response rapidly to the failure, and recover rapidly power supply is the...

Remote centralized monitoring system capable of remote operation allows the operator to take the man-machine interface, which not only eliminates a lot of unnecessary human consumption, and its high speed and efficiency of data acquisition and remote control, more convenient power management department...

In this paper the history development of Ludwigshafen was introduced and financial support plan by EU was reviewed. EU funding in Ludwigshafen is divided into two stages. The first stage is 2001 - In 2006, focusing on proposed policies. The second stage is 2007-2013. It will be the basis of the first...

Two imidazole type ionic liquids–1-allyl-3-methyl imidazole chloride salt [AMIM]Cl and 1-butyl-3- methyl imidazole chloride [BMIM]Cl–were used as solvent of cellulose, and under low temperature dissolved cellulose directly. In this paper, we found that cellulose was dissolved [AMIM]Cl ionic liquid within...

In this paper, 42.5 sulfate aluminate cement mixing pozzolan was used to prepare fast early strength concrete to reduce the application costs by the equivalent of cement, Pozzolan content, sand ratio, water-cement ratio investigated by orthogonal experiment method to seek meet with the strength requirements...

ith the rapid development of construction industry, construction quality and safety problems are becoming more and more serious. Building structure design is related with the quality and security of the building. How to improve building structure design safety has become the focus of people. This paper...

In order to study the project measures for enhancing the hydrodynamic of Guazhuhu lake, the selected range included diversion works and lake surroundings. A two-dimensional mathematical model numerical simulation method was used to calculate the hydrodynamic factors, such as flow velocity and water level,...

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...

Against the exposed problems of traditional enter password method. As well as, it was difficult for people with disability to enter password. Experimental study on the password keyboard based on eye tracking technology. During experiments use a single camera focused on one eye to collecting data. Using...

The optimal design for computer control software is studied. Since computer control software is susceptible to interference during the control process, a computer control software design model based on improved PID algorithm is proposed. The PID algorithm is combined with particle swarm algorithm to...

The inverter is a significant part in the single phase grid-connected inverter system. The design of control strategy for photovoltaic power generation system has a decisive role in the system. The fractional order controller is applied to the grid-connected inverter to improve the single phase photovoltaic...

With the rapid development of Internet, people becoming busier day by day are beginning to use domestic Internet, a powerful platform, to do business online. It is not the strongest of the species that survive, but the one most responsive to change. Since our team's project is to build Ou Palace's network...

This paper is based on the idea of information fusion, which is proposed to use multi-information fusion technology to summarize the facial target detection technology and take it as a breakthrough point, by means of analyzing the strategy of common information fusion, it discusses the algorithm of facial...

This paper mainly researches automatically optimal decoupling technology for electromagnetic transient. After making clear advantages and disadvantages and selection principles of long transmission line decoupling algorithm and node-splitting algorithm, it analyzes the influence of computing time of...

Recently, the tailings dam accidents have frequently occurred caused by flood overtopping, which have great harmful to the downstream people`s lives, property safety and the surrounding environment. Based on similarity theory and take the tailings in Sichuan as test materials to doing the physical model...

Taking Changzhou Stadium Kiewitt-Lamella ellipsoid paraboloids as an example, three kinds of parametric design macros for hybrid ellipsoids paraboloid shells are developed using APDL parametric design language; The performance comparison of the three types of reticulated shells was performed using ANSYS...

The 7-year-old Ziziphus jujuba ‘Zhanshanmizao’ as experimental material was used to measure the water content and organic nutrients (starch, soluble sugar, soluble protein, and free amino acid) in jujube branches and analyze the fruit quality after spraying jujube trees with different concentrations...

We designed a balance measure system, which is made up of the test platform and the handhold device. It can measure the movement of the tester's barycenter, and display the track of the barycenter on the screen, then the system can estimate the tester's balance ability based on the track. This system...

The purposes of measuring the transformer load losses and short-circuit impedance are checking whether they can meet the standard requirements. The traditional transformer short circuit test method were analyzed in theory and combined with engineering practice, how to improve test methods have been researched...

In order to analyze the form of piers span continuous rigid frame bridge seismic impact on the order of a continuous rigid frame bridge engineering background, the use of large-scale professional finite element analysis software MIDAS CIVIL build dynamic analysis models were different cross-sectional...

This article analyzes the current electronic warfare is faced with numerous and complex electromagnetic environment, in the dual machine cooperative reconnaissance system, the reconnaissance receiver with a timely and accurate manner to select the application requirements of the radar emitter signal,...

In the actual power system, the blackouts or voltage collapse accidents may happen frequently when the peak load are calming up steeply. If we can’t propose any effective methods to control the situation before these accidents spreading, it will obviously cause power system's large blackout. That is...

In order to ensure the security buffer of the 6-UPS space docking mechanism, real-time control based on contact force is needed. In this paper, a highly effective multi-axis force measurement system is built to acquire and analyze the real time force from six separate force sensors. According to the...

Application of ground polymer cementitious material can reduce resource consumption and environmental pollution. Chemical composition and polymerization mechanism were analyzed, in order to promote the research and application of the polymer materials. Technology principle of Isothermal conduction calorimetry,...

Dissolved organic matter (DOM) is a kind of dissolved materials containing humic-like, protein-like and carbohydrates, which distributed widely in various kinds of water body. Due to the complex components, it is hard to analyze fully specific organic fraction. Due to three dimensional excitation-emission...

In the present study, billet is designed by utilizing the flow relief-hole principle to improve the dimensional accuracy during the cold precision forging of helical gear. A three-dimensional FE simulation was carried out to analyze the deformation features of billet with different initial diameter of...

To investigate the effectiveness of Titanium and Ti6Al7Nb surface by the mechanical grinding and sanding acid etch on mouse osteoblastic adhesion, proliferation and differentiation. In Titanium and Ti6Al7Nb surface by mechanical grinding and sanding acid corrosion are different processing to prepare...

In this paper, the design significance of plastic packing machine , the difference between the new and previous plastic packing machine and the advantages of the plastic packing machine is elaborated. The plastic packing machine is composed of the banknotes push and the bill alignment part, plastic film...

Magnesium phosphate cement blended with Portland cement were cured in MgCl2, Na2SO4, NaCl, HCl and NaOH solutions, and the compressive, flexural strength and microstructure were approached and their corrosion resistance were studied. The results show that the corrosion resistance of magnesium phosphate...

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...

This paper proposes a kind of design and implementation method for rice lesion identification system, which includes the hardware structure and lesion recognition application software. This system applies DSP as the core, image coding chip of TVP5147, external cameras, together with the application software...

Based on the newly developed concept of the rainwater utilization potentiality in urban area (RUPUA), RUPUA at the research site including the Beijing Olympic Park is estimated as 2,230,000 m3. Three measures were taken for increasing the rainwater utilization: sunken lawns, permeable bricks and water...

In order to ensure the stability of double track orchard self-propelled transport system and prevent tensile failure induced by the broken wire rope, we try to measure the state characteristics of the wire rope using the appropriate testing techniques and analysis methods, and monitor the wear condition...

My model solves the problem of pallet loading problem with the limition of weight bearing. Model one calculate the number for two kinds of boxes putting in the pallet without overlap, which can make the best use of the pallet. Using Integer programming, I choose an arbitrary rectangular area in the lower...

Energy consumption structure and industrial structure are important factors affecting energy efficiency. China's energy consumption structure and industrial structure have not achieved positive interaction, but are mutual obstruction, non-coordination and low synergy. This paper studies the theory of...

using small commercial UAV equipped with a simple visible light camerato obtain the depth information of power line and the ground through monocular or binocular vision is the focus of the research. And how to use digital image processing method to extract the power linerapidly, accurately, automatically...

This paper introduces a universal SF6 gas sampling interface device. When we test the SF6 gas, it was easy to choose a wrong joint or take fewer joints on spot. Due to the variety of the tested device valve, through the field usage situation, this device solves the defects of different type or manufacturer...

The electric power industry as a basic industry of the national economy, responsible for a very important economic, political and social responsibility. With the development of society and economy, the whole society electricity industry increasingly high demand, and the pressure of electricity market...

In order to solve the problem of insufficient energy supply for buoys in polar waters, a wind energy / solar energy composite energy collection device was designed which can make full use of wind energy. What’s more, the lithium battery module of traditional buoys was improved, and a self-insulation...

RLC components or transistor is identified first. Then through the oscillation circuit turn resistance's, inductance's, capacitance's value into a frequency value by the microprocessor LM3S811 accurately. The transistor is measured by the A/D that can get its parameters.

Recommended dosage and type of warm mix agent widely used at present were investigated in order to determine the technical performance of warm-mixed asphalt and its mixture. The warm-mix agent’s effect on asphalt performance were analyzed based on the three major indexes experiments of asphalt, and the...

Warship defense is very important, especially close-in air-defense. Many researchers study methods of defending anti-ship missile. In those methods, the firing method of future airspace window is a promising method. Although it has many problems need to solve. In this paper using the "soft" and "hard"...

Activation polarization method apply the IP effect in different rock, ore as the foundation, an exploration method base on the observation and research IP effect of earth to detect underground geological conditions . Ladders can be found in the use of IP and IP anomalies of delineation of metal ores...

Al alloy anodized coating was prepared in boric-sulfuric acid with the addition of silica sol or not. The current and voltage transients of the anodizing process were collected by ZF-10B data collection instrument. The corrosion resistance was examined by neutral salt spray, electrochemical impedance...

An automation testing framework oriented OS2 PAS application is constructed in order to solve the deficiencies that there is no effective methods for the PAS application of OS2 master station system. An Automated Test-case Generation method (P-ATGM) is proposed. ROI evaluation of automation testing framework...

Peridynamic is a nonlocal theory based on the integral equations rather than the partial differential equation in classic theory, hence it is more suit for modelling the discontinuities areas, such as cracks, damage and so on. In this paper, we did a simulation of the heat transfer on a plate with a...

Smart grid components are free and secure for exchanging data that requires a good data communication network to support, the next generation of Internet technology applications become an inevitable trend. Internet Protocol Version 6 as the core of the next generation of Internet construction, with its...

According to the pressure testing requirements under high temperature and high pressure environment in oil and gas field, this paper introduced the design and development of a kind of high temperature high pressure sensor chip, and solved the problems of thermal stability of traditional piezoresistive...

In this paper, we studied that how a real estate enterprise conduct risk identification, risk analysis and assessment, and risk coping and controlling when it was constructing a new project. In this paper, we set the fenglin residential construction project as our empirical case. Based on the data collected,...

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 design parameters, central beam high-span ratio, high-span ratio at root of the beam and beam bottom parabola, on continuous rigid frame bridge girder were valued in an appropriate range. Based on orthogonal experiment and numerical simulation, the effects of above parameters to the comprehensive...

Disc pad for vehicle rear axle application has one critical requirement -- static µ. Static µ is the key factor for vehicle parking on slop with hand braking only. How to simulate vehicle hand braking and rear axle working principle, programming for vehicle disc pad static µ test by Dynamometer is necessary...

Efficient data mining model design for a large database in the cloud computing environment is studied. For large databases efficiently mining problem, an efficient data mining model in the cloud computing environment based on improved manifold learning algorithms is proposed. The use of nonlinear manifold...

Highway road conditions are changed largely in the reconstruction compared to normal operation, with traffic capacity falling down due to lane closures changing lanes frequently caused by merging compulsory, and more accidents resulting from vehicle conflict. Based on VISSIM simulation software, this...

With the rapid development of social economy, Science and technology level are increasingly improving, especially accelerated pace of life, People demand for fireproof, anti-theft and anti-gas equipment is greatly increased, and for theft, fire and other accident monitoring and alarm system requirements...

Particle size distribution of fly ash conforming to variable distribution functions were obtained. Fractal dimension of the fly ash were calculated and mechanical properties of the resulting mortar were studied. The results show that the fractal dimension of fly ash with varied particle size distributions...

Simulations of local compression on the centers of plain concrete square columns with rebar meshes and plain concrete square columns were conducted by means of the finite element analysis software ANSYS. The results show the distributions of longitudinal stress is basically consistent between the plain...

As a special commodity, electricity has the characteristics of the being produced and used at the same time and it is not physical visible. In order to avoid the loss in circulation of electricity, we should have a thorough understanding and accurate recognition of “power”. The watt-hour meter measuring...

Along with the development of Smart Grid, a large number of intelligent terminal equipments are used in power grid. The environment, the means, and the targets of load forecasting will been greatly changed. The load forecasting systems have outstanding heterogeneous problems. Forecasting models cannot...

In order to make rationally use of the original data and improve the data fitting precision of the sine waveform, the owe period fast North-Seeking method of the polynomial interpolation is based on the least square method. According to the character of the large deflection north point data, the polynomial...

In order to obtain good circular polarization, parallel metallic plates are used for large-scale rectangular waveguide slot array antennas to achieve pure linear polarization at first. It is found that these plates not only suppress cross-polarization, but also influence the original amplitude distribution...

Aluminum alloy structural hangers are widely used in subway vehicle. The advantage of aluminum alloy is light weight and corrosion resistance. For different application fields, the structures of aluminum alloy components are very different. They are typically lighter for the same strength and provide...

In this paper, a modeling method of coordinated control object of supercritical power plant unit is studied. Combined with the actual operating history data of the power plant, by using experimental modeling method, this paper firstly gets the modeling structural according to the dynamic characteristics...

A pot experiment was conducted to study the effects of intercropping density different density (1, 2, 3, 4 and 5) of cadmium (Cd) hyperaccumulator Galinsoga parviflora on Cd accumulation of radish. Intercropping different densities with G. parviflora decreased the growth of radish, and increased cadmium...

It takes Zizyphus jujuba 'Zhanshanpinguozao' as the test material. Changes of Ascorbic Acid content in four stages (young leaves, spreading leaves, mature leaves, senescent leaves) of jujube leaf development, jujube flowers and five periods of fruit development (Young fruit period, green mature period,...

Optimizing Si/Al is 25, 38, 50, 80 four kinds of models of Na type molecular sieve, 1 mol/L concentration of ammonium nitrate by immersion, mixing, filtering, by means of the modified roasting, prepared a variety of models of H-ZSM-5 catalyst for synthesis of diethylene glycol methyl ether acetate(DGMEA)....

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...

High voltage and large current dynamic test for SiC diodes and hybrid module was studied. Then high voltage dynamic test for 1700V-25A 4H-SiC junction barrier schottky (JBS) diodes and high current dynamic test for a 1700V-200A half-brige SiC hybrid module were performed. With the change of test conditions,...

To improve the classification accuracy of defects, a novel algorithm has been developed based on dual-parameters optimization of the principal component analysis (PCA) and the linear discriminant analysis (LDA). The original defect images are transformed to eigen-defects by PCA which contains all features...

The prime aims of the cold-chain transportation quality control are to guarantee that the temperature control is uninterrupted, the quality of the goods is intact, and to prevent "chain breaking" which constitute the greatest threat to cold-chain transportation. As per the requirements of Hazard Analysis...

In the process of architectural design, sectional shape is used instead of original shape. Shear isolation design combined with reinforced blockade, make up for the lack of original wall bearing capacity, stiffness and ductility, energy, lack of hysteresis characteristics. In order to determine the effectiveness...

The glass concrete saves a lot of sandstone resources and it solves the problem of waste glass reuse at the mean while. There are many researches on the application of glass concrete in civil engineering field at home and abroad. The theoretical achievements are remarkable, but the practical application...

It’s usually a complex computing process of mechanical transmission components design. In this paper, a flexible and efficient method has been adopted based on the behavioral-characteristic modeling technique of Pro/E software and the powerful computing function of MathCAD software to optimize the gear...

To effectively characterize the topology and geometric information of 3D CAD models, trees, graphs and other non-linear data structures have become the important descriptors of 3D CAD models. However, the matching based on tree or graph is still the main bottleneck of 3D CAD model similar evaluation....

This study adopts urban flood control systems into a cellular automata flood model (Caflood) for simulating the temporal and spatial evolution of urban flood. Caflood, which is different from the traditional hydrological model, using the cellular automata (CA) technique to simulate storm flood. The paper...

The phononic crystal (PC) concept is introduced to the floating bridge, in order to reduce the flexural vibrations. Four kinds of PC floating bridge models, including the identically hinged and two-component rigid connected, section-hinged, cell-hinged cases are defined. The corresponding structures...

The stability and reliability of airbag controller determines the security of the whole vehicle cabin system, but because of it’s complex internal structure, it’s hard to test every main function before leaving factory, at the meanwhile, multiple testing may cause damage or unwanted fault codes for products,...

Smart power utilization service is an important part of the grid, and its core to realize the intelligent service for users is to build a real-time interaction platform between the grid enterprises and users, which can improve the stability and reliability of power supply, and provide users with more...

This paper analyzes the image of the marginalized other animals in Coetzee's works by analyzing the images of animals commonly found in Coetzee's works, combined with ecological criticism and ecological feminism, and interprets Coetzee's ecological ethics and morality view.

Anycast is a new mode of communication to balance load and improve network quality. Due to the presence of cross service issues, it makes a great decline in service efficiency. In order to solve the problem above, this paper proposed a particle swarm optimization algorithm (CPSO) based on chaos from...

For the lack of ecological planning and the weakness of ecological construction in the development of small towns, based on the idea of ecological civilization advocated in the new pattern urbanization, combined with the conceptual planning in Qindu, Hu County, the strategies and methods of ecological...

Based on the development and application of the first 220 kV smart substation at Liaoyang Power Supply Company of State Grid Corporation of China and substation automation abroad, this paper expatiates the necessity of intelligent substation equipment and the composition and characteristics of the smart...

This paper introduces a kind of the harmonic motion curves, which characterized by multi-harmonic component, and the expression form can be divided into two cases: general Cam mechanism and indexing Cam mechanism. Combined with the instance, it compares the characteristic values with other commonly motion...

There are still many difficulties in realizing the green development of the automobile enterprises under the low carbon economy.In this paper,The author analyses the difficulties of realizaing the green development, and finds out the path of achieving the green development of the automobile enterprises...

The experimental material is ‘Red Globe’ grape that is taking shelter from rain. Use different concentrations of SUNRED on the grapes, when the color of grape is turning. Then study the effect of color and quality of fruit. The results show that, SUNRED 1000 times could promote the grape coloring. The...

Research on medical assistant robot makes Biomedical Engineering Experiment get rid of the dependence on training special operations personnel to complete a high efficiency, high success rate and high difficulty of the operation. It could be a revolutionary change in the means of biomedical engineering...

By studying on the transport laws and reaction dynamics for microorganisms in porous media, a comprehensive three-dimensional, three –phase mathematical model was established to reflect the mechanisms for microbial enhanced oil recovery. The components in this model included oil, gas, water, microorganism...

With the stress of working and living increasing day by day, a fairly large number of people have been in the state of sub-health. Therefore, in developed countries, health problems have become a social focus which cannot be ignored. In this paper, we utilize rich functions of smart phones, make them...

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...

under the intersection of microelectronic technique, computer technology and wireless communications, embedded technology with low energy consumption breeds the new WSN technology, which is universally applied in fields such as science, medical treatment, business, national defense etc, which reveals...

Since EU ETS established in 2005, the international carbon emission trading markets have been running for 12 years, while China's Pilot ETS just for three years. However, owing to the high level carbon emissions, China's carbon emission trading market has a huge development space. The first part compared...