Advances in Engineering Research

Globalization as a process of world economic, political and cultural integration requires strengthening of control over dangerous plant diseases, pests and weeds. This is evidenced by strengthening of phytosanitary requirements in some countries (the People's Republic of China imposed a ban on wheat...

The turning link inevitably exists in organic fertilizer production process. To solve numerous problems caused by low degree of automation in the turning process such as high labor intensity and low efficiency, a SCM-based automatic tracking motion system of organic fertilizer turning machine was developed...

It is known as the third wave of the information industry after the personal computer and the Internet technology. IOT is an important breakthrough in the new century. On the basis of analyzing the system structure and technical characteristics of the Internet of things, the key technology of the Internet...

This paper main provides some mathematical methods to calculate the distribution of the space debris and the damage they brought each year. Through the statistical data recorded by NASA, we can get the flux and the amounts through Kessler model. When combined with NASA's Break up model, the debris' classification...

The calculation method and formula of orifice area and area gradient of double triangular groove and U shaped groove assembled shape orifice is analyzed, the calculating program of valve orifice area is established in MATLAB software. It uses polynomial segmentation to fit the combination valve orifice...

After the wireless sensor network nodes deployed on the detection region. It needs scheduling algorithm to optimize nodes deployment and make full use of sensor nodes’ energy consequently. This paper proposed an energy efficient nodes scheduling algorithm. It could make better use of wireless network...

With the flipped classroom widely use, its shortcomings during use gradually emerged. Author’s research group explored the integration and innovation of C programming course flipped learning style based on the traditional teaching and modern educational characteristics, task-driven teaching method combined...

Because of its long tradition of printing and dyeing technology cycle, complicated production process, and the pollution of the environment, energy consumption in the future development of the ecological environment has hazards. By using Ultra Fractal to simulate fractal tie-dye pattern, reproduce the...

The consecutive layer of a nickel alloy was deposited onto a GH864 nickel-based superalloy gas turbine engine blade using laser cladding. To ensure the performance of blade, the gas turbine with laser cladding repaired blades worked two weeks and a detailed measurement and investigation were performed...

Recently, large-span cable structures are widely applied in the stadium, exhibition center, airport terminal and other public buildings. At the same time, there are some risks caused by the accidental loading in the application period, such as terrorist attacks, the car collisions, falling objects and...

The inner plate can be used to stiffen square tubular T-joint in order to improve the performance of square tubular T-joint and the radial stiffness of square tube. In this paper, tow methods of experiment and numerical simulation have been used to study the strengthening effect. Three scales of welded...

For further research on microscopic pore characteristics and its geological accumulation significance of coal bed, coal samples from drilling holes of Baode, Shanxi province in China were collected to perform scanning electron microscopy (SEM), mercury injection and low-temperature nitrogen sorption-desorption...

The title compound has been synthesized and its crystal has been cultivated. The crystal structure was determined by single crystal X-ray diffraction . Crystal data: C5H5N5O7, trigonal system, space group R3, a = 22.881(13)Å, b = 22.881(13)Å, c = 9.506(4)Å, = 90°, = 90°, = 120°, V=4310.1(4)Å3, Mr = 247.14,...

The bioactivity of titanium treated with boiling diluted alkali process was evaluated by immersing the specimens into a supersaturated calcification solution (SCS). Biomimetic bone-like apatite with typical characteristics of low crystallinity and lower Ca/P atomic ratio ranging from 1.33 to 1.45 was...

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

In this paper, the energy saving 3D wireless sensor networks Iterative Split Clustering Energy Angle Routing (ISC-EAR) algorithm will be proposed and also discuss the design and calculation process in theory. The simulating calculation under different topology, compared with the baseline algorithm the...

Berthing/unberthing operation is a ship’s transformation from one status to the other through the integrated cooperation with crew, ship and the environment. Each process of the berthing/unberthing is complex and unduplicated and its safety is hard to be assessed through traditional mathematical and...

Modal performance of the automotive instrument panel has been studied in this article. Finite element software Hypersh/ OptiStruct has been used in modal analysis in this article. This paper first calculated the modal frequency and vibration shape of the instrument panel. Engineered modification has...

Fiber optic gyroscope (FOG) plays an important role in shipboard antenna system. The technical specifications of FOG include B.bias and SF. The paper describes in detail the methods and processes of system modeling and performance analysis with MATLAB as well as the stable precision simulation with Simulink....

Portable low-power design has gained increasing significance due to user demands for fragmented usage scenarios and the pursuit of energy efficiency, environmental sustainability, and extended battery life. The two-stage operational amplifier (OPAMP) circuit, characterized by high gain, low power consumption,...

In order to evaluate the effectiveness of automatically generated attack airline from mission planning system. The evaluation model is put forward, which is the integration of fuzzy theory, the grey system theory and multi-objective decision method of TOPSIS (Technique for Order Preference by Similarity...

By analyzing the overlying strata caving characteristics and properties of porous media that a heterogeneous porous media properties mined crack rectangle landings is formed in the mined-out area. Introduction of translation-diffusion equation and to simulate the flow of gas diffusion behavior; by the...

Traditional ant colony algorithm is applied to mobile robot path planning, existing to slowly solve, slowly convergence speed, easy to fall into local optimal .A kind of double ant colony optimization based on combined optimization is proposed. Forward ant searched path be combined with backward ant...

The central heating system is an important infrastructure of city, because it has the advantages of energy saving, environmental protection and the quality of heat supply and so on, will be more widely used in the "energy-saving emission reduction" in the environment. Heat supply network is an important...

A Pilot study on advanced treatment of wastewater produced by pressurized coarse coal gasification was done in a coal chemical plant. The feasibility of catalytic ozonation, UV/O3, and Fenton process in the advanced treatment of wastewater produced by pressurized coarse coal gasification process was...

Piezoelectric Micromachined Modal Gyroscope (PMMG) researched in the paper is a novel kind of angular rate sensor, which is based on high order resonant mode of a piezoelectric body as its reference vibration. Three methods, finite element method (FEM), scanning vibrometer and impedance analyzer, were...

For the problem of pure electric vehicle drive control, a speed-current double closed loop control strategywasproposed by using the fuzzy self-adaptive PID theory, and thevehicle simulation model was established in Matlab/Simscape.The performance of the drive control strategy was verified bystarting...

In this study, novel kinds of CuxO nanocatalysts have been successfully synthesized with different reducing agents (aniline, O-methoxyaniline and 3,5-dimethoxyaniline) by a facile hydrothermal method. The catalytic performances of the as-prepared CuxO nanocatalysts were investigated systematically for...

For better use of soil particle size distribution (PSD) models and expand the use of large database held by national Soil Surveys (Katchinski's scheme) in China, 12 PSD models were proposed as the function of cumulative mass percentage of particles and diameter (mm) for 265 soil horizons (Katchinski's...

The optimum amount of Ti element in aluminum alloy sacrificial anodes was explored by analyzing microstructure, electrochemical impedance and polarization curve of the anode. And their corrosion behavior was determined preliminarily. The results showed that the aluminum anodes with 0.1 % Ti have fine...

The rapid power grid construction has raised higher requirements for the safe and reliable operation of transformer so as to reduce the operational costs. Under the new maintenance model, the maintenance should be timely exercised and issues properly handled if necessary so as to ensure the implementation...

Various genetic mouse models have been used to understand aspects of the biology of the neurodegenerative disease. A rapid growth of data collection from the mouse brain has put image registration, a key prerequisite step for brain image analysis in great focus. SyN (symmetric image normalization method)...

In this paper, we mainly propose a new semi-discrete central-upwind scheme to solve a MCLWR model based on fifth order improved WENO-Z reconstruction and semi-discrete central-upwind numerical fluxes. By introducing the new WENO-Z reconstruction, the order of accuracy of the schemes is improved, and...

In this paper, mainly through questionnaire's form, the citizens of Beijing to understand the degree of attention and cognitive haze of pollution control proposals, according to the degree of the pollution in Beijing City, with reference to foreign successful management experience, put forward relevant...

Interior and external environment of the high-speed train are connected by the ventilation system, but the structure of the complex ventilation system and slenderness is relatively large, and therefore can be a one-dimensional assumption. This paper selects IC06 carriage of high-speed train CRH380B EMU...

The import substitution program contributed to intensive growth of domestic viticulture and winemaking. In the southern regions of Russia, more than 250 thousand tons of grapes are processed into juice and wine every year. More than 50 thousand tons of grape pomace can be used for producing more than...

Vulnerability evaluation of lightning disaster is an important part of lightning disaster research and it is a typical multi-factor comprehensive evaluation problem based on index system. Multi-factor evaluation methods such as hierarchical zoning method, cluster analysis, analytic hierarchy process,...

Data visualization plays more and more important roles in the process of information technology popularization among the enterprises. With the enlargement of the valid data acquired in daily production, great challenges of data display for the users and utilization of the data, which requires scientific...

Black cotton soils are very expansive in nature. It is well known that they exhibit swelling nature when water is being dried out. These soils possess several foundation and stability problems of Civil Engineering structures constructed over them. Hence there is a need to stabilize the expansive soil....

The occurrence of algae in the water sources is a worldwide environmental health issue. Electrocoagulation/flotation (ECF), as an efficient, safety and environmental friendly algae removal technique without additional chemicals, shows obvious advantages on energy conservation and environmental security...

A sensor-less control method of permanent magnet synchronous motor (PMSM) based on sliding mode observer (SMO) is studied in the synchronous rotating reference orthogonal coordinate system in the work. The SMO is proposed under the synchronous rotating coordinate system and in which the sign function...

This paper summarizes three kinds of improved strategies for ant colony optimization algorithm: the improved strategy based on the structure of solution, the improved strategy based on the pheromone updating, and the improved method based on the solution processing. Taking the ant colony system as an...

This paper solves the problem based on the accident of the lost Malaysian flight MH370. Because lacking of the flight data after the plane losing contact, we define an enough big object searching region. According to the search area all the recue planes can search one day and the distribution of the...

Some areas have raised discharge standards for effluent total nitrogen (TN) concentration in China. However, the main component of effluent TN in the wastewater treatment plant is nitrate nitrogen (NO3--N). This research focuses on TN removal using deep-bed denitrification filter, the hydraulic retention...

An overall three-dimensional finite element model has been established to simulate the high pressure water conveyance tunnel lining strengthened with steel-bonded reinforcement method. This model is used to analyze the mechanical characteristics of steel plate pasted on the inner surface of the lining...

This paper makes a detailed analysis of the necessity and specific indicator system for technical and economic analysis of residential building design scheme. It points out that different designing schemes may be evaluated by different methods so as to achieve the purposes of being reasonable economically...

Material inventory management plays an increasingly important role in modern operations management within manufacturing enterprises. And a multi-attribute classification model has been put up based on the application of the decide tree model and fuzzy artificial neural network. First the material inventory...

The pearl river delta is not only located at the north of the south China sea, but also at the forefront of reform and opening up and economic development, while it is the most intense interaction in the land-sea relationship and outstanding contradiction in the human-earth relationship. On the basis...

The paper mainly discusses the temperature distribution in eggs from the heating process. For eggs' heating process, the paper would explore the temperature change rules from the analysis, the lumped parameter method, numerical method of three aspects. Based on each methods, diagrams would be drawn,...

This paper describes the design of the programmer, function of the practical programmer was introduced,and presents the chip type of the programmer can support. The study includes the innovative design for imaging electronics course teaching experimental device, object oriented higher vocational technical...

In order to train the workers of power stations, a simulation system of the fire-fighting equipments manual-control-pad is designed with a high-performance 32-bit CPU TMS320F28335 and an Ethernet chip W5300. The simulation system will start or stop 8 virtual fire fighting equipments by operating the...

The primary question in the debris flow initiation study is differentiation of the initiation process from other processes. This paper introduced a new experimental method and apparatus which can apply artificial rain, detect deformation, resistance and other variables. Based on the experimental data...

Three commercial wood activated carbons for air purification were selected for static adsorption/desorption of formaldehyde. The influence of the pore structure, surface functional groups and particle size of the activated carbon on the static adsorption of formaldehyde, and temperature on the desorption...

In order to investigate the corrosion damage of aviation steel material in the atmospheric environment, the present study used the 30CrMnSiA steel specimen to carry out the accelerated corrosion test simulated aviation steel material under the airport environment. The pitting depth was measured in different...

The ageing population increases significantly in these years. How to care for the elderly people living alone becomes an important problem. This design is a wireless monitoring system for elderly people living alone based on ZigBee and LabVIEW because ZigBee is a low power and low cost wireless networking...

Image is main source for human to acquire information,therefore,accuracy of image information is very important.In real life,due to the reasons of haze in the image,which we have obtained is degraded.The degraded image not only reduces the application value of image,but also brings many negative influences...

This paper establishes the three dimensional laminar mathematical physical model of dew point evaporative cooling in plate heat exchanger, according to the simplifying assumptions of the complicated course for heat and mass transfer and counter-current flow in dew point evaporative cooler ,using the...

In this paper, the key issues of the classical Hough transform XXX radar signal detection were studied, focusing on the parameter space is divided phenomenon, given to find the optimal partitioning method for XXX and radar to find the best way to divide and give a rational method of extracting the peak....

In this paper, a fabry-perot resonator (FPR) antenna for 5 GHz Wi-Fi applications with high gain and high impedance bandwidth (IBW) is proposed. For improving the performance of circularly polarised antennas, a 6 × 6 reactive impedance surface (RIS) based meta surface and a dielectric superstrate are...

Substation plays an important role in the power transmission system for it is a connecting link between the preceding and the following, and fire proof is an important link related to whether substation runs safely. In unexpected events, the normal operation of fire proof system is very important in...

In this paper, the energy on workpiece surface in electrical discharge machining (short in EDM) process were modeled and its related parameters were analysized, based on electron sputtering and the resistance heat reaction of current flow when the tool electrode is negative. The study shows that: when...

The conversion of progesterone (1) by Aspergillus sp. was studied. The major metabolites formed from progesterone were identi ed as 11 -hydroxyl progesterone (2), 15 -hydroxyl progesterone (3), 15 -hydroxypreg-1,4-dien-3,20-dione (4), 6 ,11 -dihydroxypregesterone (5).Conversion products were characterized...

More and more people are concerned about flood control and disaster mitigation. Beiyun River, as one of five river systems in Beijing, its flood control capacity play a critical role in urban flood control and disaster mitigation. Hence, the research on the relationship between the Beiyun River's rainfall...

Carbon emission, results in global warming, and endangers the survival and development of human society. Therefore, a series of climate change response agreement such as the "Kyoto Agreement", "Paris Agreement" are introduced. Although the United States has withdrawn from "the Paris Agreement", the development...

Spacecraft Relative State Tracking is not only the application foundation of space-based space surveillance system, but also the important prerequisite for space autonomous rendezvous and on-orbit servicing. Through making genetic algorithm (GA) embedded PF resampling process, the particle degradation...

Double row pile as a retaining structure in slope reinforcement and foundation pit support engineering and many other neighborhoods, it has a wide application. But due to the complexity and difference of the soil around the pile, the interaction mechanism between pile and soil is not clear. Calculated...

This paper mainly uses the angle of declination angle, and solar elevation angle and azimuth of the sun between the relationship, according to them with the longitude and latitude, date and time of the conversion formula, and the use of MATLAB software were calculated. It is concluded that the effects...

This paper presents a method which improves the thickness of the prediction model. At the same time, it builds up a SVM prediction model based on MATLAB simulation experiment. By comparing the simulation curves of the mechanism model and SVM regression prediction, it apparently can be seen that thickness-output...

With the purpose of analyzing the pressure and deformation of the two rotors’ blades of contra-rotating fan under variable speeds, the research takes the FBD5.0/2×7.5 mine contra-rotating fan as an example, establishes a 3D physical model of contra-rotating fan’s entire flow passage, and adopts 3D infrared...

Big data are affecting our work, life, even economy and the development of the society. The Big Data era has already come. This paper first sketches the basic concepts of big data, typical 4”V” characteristics as well as related application fields. Next, the paper summarizes the processing technologies...

Numerical study of two dimensional lid driven triangular cavity flow is performed via using lattice Boltzmann method on low Reynolds numbers. The equilateral triangular cavity is the first geometry to be studied, the simulation is performed at Reynolds number 500 and the numerical prediction is compared...

In this study, a novel Ce doped Ti-based SnO2/Sb electrode (Ti/SnO2@Sb@Ce) with high overpotential and high catalytic activity was prepared by two-step method. The nano-scale film was formed with the help of an additional step of hydrothermal synthesis process contributing to produce more -OH radicals...

In this paper, different exciting methodsof active thermography, including the pulsed flash lamp exciting, halogen lamp step heating and ultrasonic exciting, were applied to detect different kinds of defects according to their different heat build-up properties. The results showed in the paper reveal...

In this paper, we present a path planning for mobile robot based on improved ant colony optimization algorithm. In order to increasing the algorithm’s convergence speed and avoiding to fall into local optimum, we proposed updating the pheromone residues. Experiments show that this method is effective...

Haze pollution has become one of the most serious environmental problems in China, especially in Beijing-Tianjin-Hebei region. Chinese government has issued a haze control policy in 2013, which aims to alleviate haze pollution through reducing emission of air pollutants. However, there is a doubt whether...

This paper presents the unified mathematical model well applicable for the analysis and design of the planar and spatial cam mechanisms of all categories in terms of the differential geometry and meshing principle, exploring the interrelation of the various cam mechanisms. The general-purpose CAD/CAM...

In recent years, the Beijing construction in accordance with the philosophy of environmental protection, solid depth to carry out a series of policies and measures, such as rural energy structure optimization and adjustment; rural residential seismic energy-saving; village green landscaping. If displaying...

The aim of the present research was to prepare an organic iron compound, Lycium barbarum polysaccharide iron complex (LBP-Fe), and evaluate its antioxidant abilities on scavenging super oxide radicals and DPPH radicals in vitro. LBP-Fe was prepared by chemically modification using chloride ferric and...

The paper judges China’s regional economic growth convergence and analyzes its time-space pattern in 1998-2009 from the county scale with spatial Markov chain statistics method. The research results show that the stability of convergence clubs is featured by belt differentiation, and expressed as being...

At present, Cyanidation is still undoubtedly the most important and widespread of the various hydrometallurgical technologies that were used in the extraction of gold and silver from primary ores and concentrates, Metallic zinc has long been known as being a good precipitant for precious metals from...

The article presents the results of studies of diversity of species and condition of cenopopulations of Inula L. species in ecotopes of the Central Caucasus on the example of Kabardino-Balkaria republic. Inula L. genus is represented by Inula helenium L., I. orientalis L., I. magnifica Lipsky, I. grandiflora...

Movable water saturation can accurately evaluate the formation of gas and water layer. It is an important parameter to guide the development of tight gas reservoirs. Engineering often used single factor of porosity to estimate saturation of the movable water. And in the formation of strong heterogeneity...

In order to improve the micro-high-speed centrifugal pump cavitation performance, to understand its internal cavitation characteristics. The internal flow field of the centrifugal pump model established by UG was simulated by CFX software. The performance of the centrifugal pump in different speed, flow...

Monitoring harmonic in power grid is particularly important because harmonic will seriously affect the quality of power energy. Based on a high-performance 32-bit processor STM32F103 and a electric energy metering chip ADE7878, a harmonic monitoring device is designed for measuring 2-31 harmonics in...

The paper presented an economic and efficient method of "anaerobic SBR - UASB - SBR " for disposal mature landfill leachate with high COD, ammonia nitrogen concentration but low B/C ratio . Started up the unified process under 500% reflux ratio whose inflow of water maintained 3L/d . Improved the reflux...

PV and energy storage integrated grid-connected converter (GCC) is used popularly in distribution generation (DG) system. As there is a significant increase in the size and capacity of grid-connected power plants, the stability and reliability of the grid become more important. Different from the traditional...

Hydrolysate of steam-exploded wheat straw (SEWS) was used as the carbon source of xanthan production. The effects of common inhibitors generated during steam explosion on xanthan production were evaluated; a combine method was used to improve the fermentability of enzymatic hydrolysate of SEWS. All the...

The Minjiang river basin resources are very rich, but the water and other natural disasters happen often; Infrastructure construction is weak, and the ability to resist disasters is low, economic development relative lag; Ecological environment destruction by artificial and natural factors, in order...

With the extensive application of information technology, Industry informatization has been developed rapidly, but the network security issues where come from business networks, the Internet or caused by other factors is increasingly appear in industrial control systems. This paper is designed a security...

Organic Rankine cycle is an important means of waste heat recovery technology, this paper is mainly review of organic Rankine cycle principle and system composition, and introduces some practical application of organic Rankine cycle.

The shipping industry has been in a slump in recent years. At the same time, internet thinking has brought great influence to the shipping industry. The shipowners have been exploring new business models, and the relationship between the shipowners and the shippers is in a delicate state. Under the new...

The B2MML[1] (Business To Manufacturing Markup Language) based on XML[2] is an implementation of communication specification, to exchange text information. Based on Web Service and ISA95[3], B2MML technology was designed and implemented into as a MES integration interface scheme. The scheme is with the...

According to the national requirements of the Power Grid Corp, Our company will replace the existing single-phase into single phase electric meter of intelligent rate controlling, in order to achieve the function of remote meter reading. Customer service center measurement room needs to undertake the...

The same problem faced by nonparametric accumulation and coherent accumulation is that the high velocity motion and low radar repetition of the target cause the echo envelope to move seriously, and it can not be accumulated without using the effective method for distance correction. The Hough transform...

As the main backbone mode of transportation in China, railway transportation is of great significance for the study of energy consumption influencing factors. This paper analyses the background of railway goods transportation and energy consumption in our country, and on the basis of summarizing the...

This study is to develop an outranking method to identify compromised groundwater remediation strategies based on interval-valued grey fuzzy sets in 10-year and 20-year periods under uncertainty. The interval-valued grey fuzzy sets that could quantify the ambiguous nature of subjective judgments, have...

With the rapid development of China's social economy, the demand for power is increasing, and the construction of the power distribution network is valued by the power supply units. In the power distribution network, live work has a certain risk, so the operational team of high level should be built,...

In this paper, the power system blockset in Matlab/Simulink is applied to build a one-machine infinite-bus system to simulate the actual power system. The power system static stability will be discussed according to the severity of disturbance. Also simulation analyses and improvement measures will be...

Aiming at the crack phenomena in prestressed concrete continuous box girder bridges at present, on the background of Modaomen Bridge in Guangdong province, the influence of shrinkage and creep on crack resistance for PC box girder bridges is studied and discussed in this thesis. In the three-dimensional...

The purpose of this paper is to explore the unique interaction relationship between the Chinese enterprise internationalization and the WTO multilateral trading system, referred to in this article “the strong coupling relationship”. In 13 years since China’s accession to the WTO, its trade and FDI have...