Advances in Engineering Research

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...

Wide-area power system reliability research contained within the substation and transformer substation network communication between the wide area communication network reliability research. Substation is the basic component of power wan system based on the substation building local area network is a...

Two finite element models based on PATRAN/ NASTRAN are carried out to determine the nail load distribution of double lap structure with composites and metal materials. And the results were compared with the classical stiffness algorithm to verify the simulation model is effectiveness to calculate pin...

In order to get the engine simulation model used for the development of control strategy, the offline model and real-time model of self-developed gasoline engine by FAW of direct-injection turbocharging were built based on AMESim software. The results of simulation were compared with that of actual engine...

The permanent-magnet brushless DC motor (BLDCM) has achieved a brilliant application in household equipment industries, since it has specific advantages. The cost control has become a main problem, on the low-end of the market whose customers were more sensitive to the price. To this a low-cost brushless...

The structure of the airborne evaporation circulatory system is under the influence of the variety vibration caused by the helicopter during the long time running, which will cause the structure damage. The PSD analysis method is introduced into the random vibration analysis of the structure of the airborne...

Establishing the mathematical model of energy consumption of chillers, pump, cooling towers, air conditioning units and coils in the conventional air conditioning system. Analyses energy consumption factors from experiments and simulations to provide the optimized variable flow scheme for the whole central...

The hot deformation behavior of INCO718 alloy was investigated by hot compressive tests with Gleeble 3800 thermal simulator in the temperature range from 950 C to 1150 C and strain rate range from 0.1 s 1 to 10 s 1. In consideration of the temperature, the flow stress curves were corrected by one simple...

In this paper, four anti-interference detection methods based on a CW small-signal are discussed separately. First the basic principles of various methods about the energy identification, frequency discrimination , SNR identification, pulse width identification are introduced, and then their advantages...

Energy conservation has become China's sustainable development, the only way to ensure the long-term interests of the Chinese nation, but also to deal with the urgent need for global energy crisis and climate change. As a crucial part of the power system energy consumption and secondary energy supply...

To study the bearing characteristics of composite foundation with long rigid piles and short flexible piles, the light dynamic penetration and the static loading test are used base on comprehensive testing and analysis of soft soil characteristics, and combining with the treatment design parameters of...

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...

With the development of Internet, a large amount of users purchase product, book hotels, buy goods from the web. They also share their experiences on the web. Other users can read the reviews or rating scores to choose the products or services. The user is difficult to read the information, since the...

In dealing with the problem that basic SFLA neglect the information exchange between individuals and sub-population in searching optimal solution, this paper proposes a new improved SFLA based on update rule of the Gravitation Search Algorithm. Based on the ideal from gravitation algorithm, the new SFLA...

Pulsar study is one of the important issues on radio astronomy; however, the quality of pulsar observations is affected by the spectrum overlaps with navigation signals. Actually, pulsar signals and navigation signals are usually overwhelmed in the noise. Thus this paper focuses on the application of...

With working frequency voltage and current, mutual inductance voltage up to 30kV and mutual inductance current up to 50A, measuring instruments can not offset mutual inductance voltage and mutual inductance current interference. The current test mutual inductance parameter must be the same poles of two...

As water resources are closely related to people's life and production, the proper demonstrating and effective utilizing water resources has become a very important strategic issue. Water argumentation for coal mines and recovery of mine water are contributing for water saving, water resources protecting...

The stress dilatancy theory has been succeeded in demonstrating the deformation properties of clay. However, the deformation behaviors of rockfills are related to the stress and its initial state, so the stress dilatancy theory cannot apply to the rockfills directly. We take the state-dependent dilatancy...

To reduce the permeability of clay liner, and make it has anti-cracking performance. Permeability and anti-cracking properties were studied on different Silica fume added to clay liner. 0、10%、15%、20%、15%、30% of the clay is replaced by silica fume at optimum water contents. It is shown by test results...

Spherical composite ribbed shell is made of thin reinforced concrete shell and composite ribs, which has many advantages such as large span, high rigidity, and large bearing capacity and low cost. It is one of the urgent issues to considering the mechanical performance under dynamic loading. Based on...

In today's society, the development of green economy has become an important trend. There is a large population base in our country, and the resources is relative short, as well as the environmental carrying capacity is not strong. In recent years, faced with increasingly severe sandstorms, PM2.5 pollution...

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...

Aiming at 5-dof parallel tripod head, the integrated parameter modeling of parallel mechanism with less degree of freedom is researched in this paper. Firstly, the kinematics parameters analysis of each component of 5-dof parallel mechanism is carried out and kinematics model of 5-dof mechanism is established,...

The longitudinal location precision of the missile borne electronic reconnaissance equipment is not enough. In order to strike the target more accurately, the method of missile-satellite cooperative passive location is proposed, based on the study of the concept of cooperative location, the hierarchy...

Compression tests of five groups of concrete specimens with different plastic particles (0%, 5%, 10%, 30% and 45% aggregate volume ratio) are carried out. The results show that, the incorporation of plastic particles has significant influence on the mechanical properties of concrete. With the increase...

The combination of carbon footprint and urban transportation planning is significantly meaningful to the construction of urban low-carbon transportation. This dissertation studies the emission of carbon dioxide and air pollutant such as carbon monoxide, hydrocarbon, nitrogen oxide during the process...

In foggy conditions, acquired images have low contrast ratio and low scene visibility problems. The traditional defogging algorithm has high time complexity and low speed characteristics and can not be applied in real-time image processing. Thus, a single image restoration method based on mean filter...

Reserve ancillary service is necessary to maintain the power system operation reliability. It is trended now to be procured under the deregulated environment in order to improve the enthusiasm of reserve ancillary service providers. Therefore, a reasonable reserve market mechanism in which all the necessary...

Nowadays, more and more users share news and information in micro-blogging communities such as Twitter, Tumblr or Plurk. With the increasing number of registered users in this kind of sites, finding relevant and reliable sources of information becomes essential. For recommending sufficient information...

With the rapid expansion of biomedical literatures, it provides an opportunity for mining biomedical knowledge from the huge amount of biomedical text. Entity recognition is a challenging task of biomedical text mining. In this work, we described a method to identify biomedical entity based on Conditional...

Gear strength analysis is important to gear drive design, and its calculating accuracy is mainly decided by gear model. Several factors influencing the spur gear model building accuracy by finite element method (FEM) are presented, including geometric model and boundary, loading position and load types....

In recent years, with the rapid development of the sharing economy, sharing bicycles as a new form of sharing economy, has solved the pain point "the last mile" of the distribution pattern of urban public transit and subway, which plays an increasingly important role in the efficient urban road traffic...

USV's hull form optimization is a multi-objective optimization problem, which involves coordination and unification of performance in all aspects. To determine the sensitivity to overall optimization including rapidity, maneuverability, seakeeping and overturning of the USV was an important aspect in...