Advances in Engineering Research

There are many different processing for 3D printing. The Slicing 3D CAD model is the pretreatment process of 3D printing. Area filling is the necessary step no matter what kind of slicing way is used. In this paper, an area filling algorithm for 3D printing is developed. In which the cubic polynomial...

A UV curable complex system with vinyl resin and polyurethane acrylate photo-polymerization was investigated. The UV curing process of complex system was traced by IR. Thermal decomposition temperature of UV cured film for various system were determined by thermogravimetric analysis(TGA). And physical...

During the winding construction, the pre-stressed wire wound orthogonal preload frame bears the preloading force applied by the steel wire from top, bottom, left and right simultaneously. Compared with the ordinary preload frame, it bears complex force, there is no obvious distribution rule on the surface...

It was investigated for statistical analysis on impact toughness of welded joints between B610CF and 16MnR steel using shielded metal arc welding (SMAW) and mixed gas arc welding (MGAW) method. Low temperature(-20 C) impact toughness experiments and normal temperature(20 C) impact toughness experiments...

Surface-electromyography (sEMG) is a kind of weak physiological signals. During the sEMG signals measurement, the motion noise caused by body movement can easily affect measurement accuracy. In order to prevent the noise, we designed a method to adaptive noise cancellation combined with wavelet transform...

This paper focuses on a large kitchen fume gas purification device newly designed by numerical simulation using FLUENT software. The velocity distribution and pressure distribution within the whole device are simulated. Particle trajectories of different droplet diameters (5 m, 8 m, 11 m, and 15 m) are...

With the development of the computer technology, the R & D outsourcing is becoming more and more popular for the company area. This paper presents the decision-making model and risk of R & D outsourcing based on supply chain in IT, it discusses the phenomenon of the R & D outsourcing in IT market and...

In the paper, the influence of user trust relationship on recommendation is mainly analyzed, user rating and trust relationship are also clearly defined. Meanwhile, the traditional SVD matrix factorization algorithm is extended to introduce the explicit influence (user trust value) and the implicit influence...

Marine navigation information system is an indispensable modern shipping navigation equipment. With the continuous development of the international shipping industry, new demands have come up in real-time, stability and versatility, etc., which puts forward the higher request to the ship navigation system....

The MIL-53(Fe)/BiOCl composite catalyst is triumphantly man-made by two-step solvothermal method. The MIL-53(Fe) which possesses nanoscale polyhedral structure is loaded to the surface of BiOCl microspheres. 2,4-DCP is regarded as a simulated pollutant in environmental wastewater, at the same time, H2O2...

Based on the study of artificial neural network, the neural model was established for the prediction of germanium extraction from zinc oxide dust by microwave calcination-sulphuric acid leaching. Microwave heating temperature, liquid-solid ratio, leaching time, initial concentration of sulphuric acid...

In this paper, the CALPHAD Helmholtz energy approach, based on the Debye-Grüneisen model, has been used to calculate the thermodynamic and thermophysical properties of fcc Ag (Silver). Through this approach, thermodynamic properties, e.g. heat capacity and Gibbs energy, and thermophysical properties,...

In this paper, the radome of 3/4 power series generatrix is taken as the object of study, and fluid-thermal-structure coupling field of it is simulated and analyzed with sequential coupling method. The aerodynamic load under Ma=6 flight condition is calculated using standard model. Then the finite element...

Transfer functions are commonly used in the analysis of systems such as single-input single-output filters, typically within the fields of signal processing, communication theory, and control theory. Transfer function models is of considerable interest in economics, engineering, biology, and many other...

The SbFeO3 was reduced to obtain the SbFe and Sb2Fe alloys, and the SbGeO3.5 was reduced to obtain the Sb-Ge metal composite powder. The simulation lithium ion battery was prepared by using the SbFe and Sb2Fe alloys or the Sb-Ge metal composite powder as anode material. The analysis of the XRD and the...

Fatigue driving is refers to the driver in a long time continuous driving or physical fatigue condition, and then come into being physiological and psychological function disorder, led to a decline in driving ability. Aimed at the requirements of monitoring on the fatigue driving, this article designed...

Longwall technology is the mass production technology for underground coal mining. Stability of Gate roadways forming Longwall panels is essential to ensure the safety of Longwall mines. Gates and chain pillars between Longwall mining panels are subjected to a complex loading process throughout their...

Light-weight block cipher is the protection of RDIF label and smart card in communication of Internet of things.It's safty is very important..The article analyzes the fault propagation of the traditional light-weight block cipher with feistel structure and proposing a deep differential fault analysis...

The usage of social network usernames in the research of social identity linkage has been proved, especially for the English usernames. However, how to properly connect Chinese user identities by matching the usernames remains to be explored. Since a Chinese user may name or rename his/her usernames...

The limit of methane explosion and the characteristics of methane explosion pressure under different conditions of humidity ( 15%RH 63%RH 92%RH)are studied by using the test system of 20L explosion characteristics in special environment. It is concluded by the study that when the other conditions remain...

In the past two decades, the highway mileage of rapid growth, while the rapid development of highway construction, the adverse effects of natural disasters on road transport infrastructure has become increasingly prominent, Loess region has a special terrain , geology and geological climatic conditions,...

Considering the actual structure of special vehicles and security factors, three road test for special vehicle’s handling and stability and eight index were used in this paper. The subjective weighting method and the objective weighting were respectively used to evaluate the special vehicle’s handling...

Objective: To make a study of the effects of EGCG on learning and memory abilities in mice with Alzeimer's disease. Methods: The mice were divided into normal control group, model control group, brain repair group, low EGCG dose group, middle EGCG dose group and high EGCG dose group. We use the evaluation...

From the perspective of human-computer interaction, we design and implement a software that automatically generated frame graphics, which can conduct partial detection of any relationship, and then determine whether the poset is a lattice. By introducing the concept of Hasse diagram logic level and calculating...

Water is the foundational natural resource and strategic economic resource, which plays an important role in maintaining ecosystem and environment. Considering that the flood water resources are a special form, the floodwater utilization is a special way of surface water resource utilization. Based on...

Five aquatic macrophytes, Acorus calamus, Lythrum salicaria, Monochoria korsakowii Alisma orientale and Sagittaria sagittifolia were tested for the relative growth rate (RGR) and abilities of removing total nitrogen(TN) and total phosphorus (TP) by the manipulative indoor experiment. Result revealed...

The land use change is an important research field of landscape ecology, through the model simulation of land use change tendency is one of the main research content of this field. CLUE - S model as one of the model can well simulate the land use change of small scale, it has multiple areas at home and...

In this paper, an ultra-low-power integrated RF front-end for UWB system is proposed. It contains a single-ended low noise amplifier (LNA) and a double balanced mixer. The resistive shunt feedback topology is employed to achieve a good input impedance matching in the whole UWB band. The stacked common-source...

Segmenting individual trees from the forest point cloud has significant implications in forestry inventory. This paper presents a novel computational scheme to segment and cluster the 3D point cloud data acquired by an airborne LiDAR. The scheme employs a mean shift-based iterative procedure on the data...

Traditional target tracking methods are easy to lose the target in complex background, especially tracking multiple targets. In this paper PSO Particle Swarm Optimization algorithm is presented, it is used to calculate the weights of features. and weight the features to get optimal feature, then apply...

More and More Chinese foundry enterprises begin to realize that enterprise resource planning (ERP) is very critical to their business development. This paper analyzed the characteristic of Chinese large foundry enterprises’ ERP implementation and put forward quick implementation method of flexible ERP...

Based on the monitoring results of Changli Golden Coast Nature Reserve (2009-2014), conditions and trends of seawater and Sediment quality in this area were analyzed. The results showed that: seawater and sediment quality in this area as a whole is better, however, in some years inorganic nitrogen in...

This paper studied characteristic of two typical grid-side traction converters of CRH series electric multiple unit(EMU)-CRH2 two-level rectifier and CRH5 three-level rectifier. Firstly, the topology structures of two typical rectifiers are analyzed. Then SPWM modulation method, transient direct current...

Cell adhesion to cells or substrates is the basis for cell colonization and survival. Based on atomic force microscope (AFM), a single probe was used to quantitatively measure the adhesion of different cell types. The self-made pneumatic control system produces negative pressure to fix the cells, replacing...

Modern tram has been gradually applied to the public transportation in China due to its humanity, efficiency, ecology and environment-friendly. In the initial stage of development, however, nu-merous problems occurred in terms of function-orientation, route selection during initial imple-mentation, construction...

Heat pipe is a kind of high efficient heat transfer element, which is widely used in all aspects of life, especially in solar energy technology and permafrost. This research focuses mainly on the low temperature gravity heat pipe working fluid and discusses the influence of refrigerant thermos-physical...

Objective – The paper’s aim is to explore an efficient statistical arbitrage system. Methods – The paper use moving-window and Regression model to identify the volatility of the relation between two assets. When the relation move beyond normal range which defined by quantile, arbitrage opportunities...

In recent years, the installed capacity of wind-driven power is increasing continuously in China, but the main measure for long-distance transmission with wind power integration now is series capacitive compensation due to the inverse distribution of wind energy resources and load center in China. However,...

A pot experiment was carried out to study the effects of intercropping with four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata, Impatiens balsamina) on nutrient uptake of grape seedlings under cadmium (Cd) stress. The results showed that intercropping with C....

With the in-depth applications of wireless power transmission technology, different application scenarios have different requirements on the output mode, energy efficiency characteristics, and disturbance resistance of the topology. The choice of compensation circuit structure will directly determine...

This paper is to speculate the drug demand of each region and assist to plan a reasonable number through analyzing variations of weekly infected people, which is based on epidemic model and multi-objective optimization theory. Unlike traditional SIR model,I consider the patients under incubation period...

Two aspects are needed to improve in the research and practice of current bridge structural test. First, test data is incomplete compare with calculation data, and survey times are insufficient compare with the bridge life circle. Second, although the analysis and calculation accuracy can not be always...

Fabric defect detection has been an active area of research since a long time and still a robust system is needed which can fulfill industrial requirements. A robust automatic fabric defect detection system (FDDS) would results in quality products and more revenues. Many different approaches and method...

This paper designs and implements a high speed image transmission board of external DDR3 SDRAM based on PCI-Express to meet the requirement of high frame rate in high speed image data transmission system. Transmission board uses XILINX Kintex7 series chip XC7K70T as the master chip, through the PCI-Express...

In recent years as the rise of Internet + and geographic information system technology, the traditional GIS has a new development space, let a lot of further application of spatial data, decision making analysis on the space for us to provide the technical support. In the implementation of the national...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

The features and dilemma of ecological environmental protection in the districts and counties of Shanghai City, and the countermeasures are presented in this Paper, so as to provide references for relevant governmental departments to improve the ecological environment construction.

The optimization of mine development Scheme is one of the technical problems in the design of underground mining. With all influencing factors, such as economy, technology safety and time considered, a comprehensive evaluation index system of mine development scheme was established by Delphi method to...

The mode of agricultural supply chain financial applies supply chain finance in the agricultural industry chain, which can effectively solve the financing difficulties of farmers and the rural financial repression issues. We researched the development of Jinan`s agricultural financial supply chain and...

The resettlement project in Southern Shaanxi is featured with a large amount of planning and construction in the scope of town. Due to the disconnection with the village and town planning and the lack of overall consideration on the ecological environment, problems have occurred such as the disorder...

Coplanar capacitive sensors have been widely applied in many fields with its characterstics of non-invasion, lowcost and fast response. Length and width of sensor electrodes, excitaion frequency are considered to affect the performance of the sensor. In order to improve the sensor performance, and to...

This study develops an inexact stochastic bi-level programming model (ISBPM) for planning electric power systems (EPS) under uncertainty. ISBPM is formulated based on interval-parameter programming (IPP), stochastic mathematical programming (SMP) and bi-level linear programming (BLP). In the ISBPM framework,...

In China, the information industry make progress of China's computer technology is also a step by step, about the exploration and application of image processing especially prominent, in particular, real-time image processing technology has been more attention. How to deal with massive data in real-time...

The surface trajectory of lapping disc in lapping process was simulated in this paper. The simulation was based on the analysis of lapping disc wear trajectory by using the computer simulation technology. The law of disc wear trajectory and the influence of processing parameters were studied. The computer...

In this paper, a novel hybrid structure of reflectarray with dielectric cylinder, metallic cylinder and metallic ground is designed. This structure can generate a pencil beam in a desired direction by adjusting its phase appropriately with its 1-dB gain bandwidth achieving 22.56%. Moreover, radiation...

This paper presents an approach, called IECA, for modeling and implementing the architecture of Internet of Things(IoT) applications using an active rule-based model. Considering the effective collaboration and the quick response which are necessary for IoT information sharing and service provisioning,...

MANET has been widely used in some special application scenarios, but because of its own characteristics lead to less secure and easily be attacked, resulting in significant losses. In response to this situation, this paper proposes a new trusted security architecture of MANET nodes based OPNET. Borrowing...

The seismic safety of the dam involves the safety of people's life and property, and even affects the overall safety of the national economy. One of the key of technical issues in this subject is the more complete fluid-structure interaction(fsi) theory and the more accurate calculation method. In order...

The mathematic model of distribution automation terminal configuration optimization is established based on the cost-benefit theory, taking the minimum area as the basic analysis unit, considering the balance of economy and reliability. The number and location of electrical distribu-tion automation terminals...

The effects of intercropping with four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata, Impatiens balsamina) on photosynthesis of grape seedlings under cadmium (Cd) stress were studied by the pot experiment, and the photosynthetic pigment contents, photosynthetic...

This paper describes the development of the smart home intelligent switch system and the necessity and convenience of the office,The intelligent switch can be connected to WiFi network to control appliances through mobile APP, what get people generally favored is its small size, convenient operation,...

The existence mode of ancient villages is different from urban environment where the commercialization continues to strengthen. The constancy of life produced change with sociological significance from visual expression to evaluation of value since the intervene of new elements.It has been through the...

Power system state estimation provides accurate and complete data for several online advanced application software in energy management systems. Its main consideration is how to acquire accurate data. State estimation are usually solved by weighted least squares estimation, and selecting a reasonable...

In this paper the intelligent vibration road roller system is simplified to three degrees of freedom dynamic system the differences between the dynamics model with past is that we not only considering two degrees (vibration wheel the soil or frame wheels) But at the same time considering vibratory wheel...

In the study of high-power electromagnetic environments, double exponential function is widely used. The physical parameters of the pulse are the rise time tr and the pulse width tw, which have a strong relation with and , the key parameters of the double exponential function. In actual use, the transformation...

In order to solve the problem of autonomous dynamic control for unmanned surface vehicle (USV) under the unknown environment, the course and speed cooperative control method based on adaptive fuzzy algorithm is studied in this paper. A fuzzy control algorithm is designed of which the inputs are the deviation...

Spatial autocorrelation is one of the most important characteristics of spatial data. Based on the fifth and sixth census data, we focus on in this paper studying the spatial autocorrelation of the population in Shandong province. Specifically, the global Moran I statistic is first used to quantify the...

In order to comprehensively evaluate the risk degree of indexes that affected urban community safety. Those indexes not only have qualitative attributes but also quantitative attributes. Do a quantitative analysis on those qualitative indexes is not easy. Hayashi quantification theory have an obvious...

In this paper, we use the principal component analysis and cluster analysis on the development of a combination of medical institutions in the region to analyze.In order to analyze the number of organizations from all regions, the number of beds and so on, At first the cluster analysis method for our...

China is annual faced with a large area of bad weather such as fog and haze, which make a serious impact on people's daily lives, traffic congestion and other flight delays. Currently, the monitoring towards air quality are mostly procured through static monitoring station or artificial flow monitoring,...

For uncooled LWIR system function limitations and lack of real-time image processing problems. The design scheme of high performance uncooled LWIR image processing system based on UAV system platform is proposed. The solution uses TI's TMS320C6657 DSP and Altera's EP3C25F324 FPGA processor as the system...

Change in soluble sugar and organic acids of dragon fruit wine during fermentation by reversed phase high performance liquid chromatography (RP-HPLC); Organic acids chromatographic conditions: chromatographic column BP-OA, mobile phase A(1% H3PO4) and B (UPW), column temperature 35°C , the flow rate...

In this paper, a practical value of budget management system is analyzed and discussed. For the sake of overall management company, we build a comprehensive budget management system based on business, and with the office platform, contract management, reimbursement, other related effectively business...

Based on the investigation data on Cu in surface and bottom waters in the bay mouth of Jiaozhou Bay in 1983, this paper analyzed the seasonal variations, vertical variations and horizontal distributions of Cu. Cu contents in surface waters in the bay mouth of Jiaozhou Bay in May, September and October...

There are a lot of information and network security threats along with the rapid development of Internet of things (IoT). This paper according to the environmental features of the IOT node limited hardware resource and its requirements, and takes aim at the privacy information security issues for the...

The effects of cutting after continuous grafted on the photosynthesis physiology of Lycopersicon esculentum seedlings under cadmium (Cd) stress were studied by the pot experiment, and the photosynthetic pigment contents, photosynthetic characteristics and soluble sugar content of L. esculentum seedlings...

This paper studies the changes of different time, place, rod length and shadow length. Use of existing video data, using mathematical vectors, linear programming, dichotomy, multi-stage euqal exhaustive and other methods, according to the laws and geographic relationship to establish true solar time...

As people's living standards improve, people have higher requirements on the quality of life and health of human body. Exercise is an important way to keep healthy. The amount of exercise of different degree will have different effects on the health of human body. Real-time monitoring and recording the...

The energy issues which is in the internet of thing technology for smart home application is an important problem. Due to the sunlight, energy consumption of lighting cause the unnecessary power utility. This study proposed an economic lighting management system for smart home application. The economic...

In order to study the dynamical behavior of stiffened plates of steel box girder with trapezoidal stiffeners, FE software ANSYS and its secondary development are used to build the model of the stiffened plate. The plate, transverse diaphragms and trapezoidal stiffeners are all modelled by Shell63 Element,...

The 2-thioxo-1,3-dithiole-4,5-dithiolato (dmit) complexes exhibits very large and fast third-order NLO response and may be promising candidates for the applications in the field of nonlinear optics. An organo-metallic complex, ethyltriphenylphosphonium bis(2-thioxo-1,3-dithiole-4,5-dithiolato)aurate(III)...

The service life of hot-end components in gas turbine for gas-fired power plant is hard to detect and evaluate. The relationship between temperature characteristics of hot-end components and the power load is established using the basic theory of gas turbine power cycle. The operating mode of gas turbine...

Aiming at the disadvantage of slow convergence and low efficiency of genetic algorithm, ant colony algorithm is easy to fall into the local optimal solution. The optimization of PID parameters based on ant colony genetic hybrid algorithm is proposed. At last, in order to prove the effectiveness and feasibility...

In this research, a Navier-Stokes equations based Newtonian fluid model was employed to conduct mathematical modeling on the polymer fluids with low shear rate under pressure-drag flow. Then, a weight function for the equations of the continuity and motion of the fluids is obtained by using an interpolation...

In recent years, with the rise of the Internet + and geographic information system technology, the traditional GIS has a new development space, let a lot of further application of spatial data for agricultural decision making analysis on the space provided technical support. In Internet + corn fertilizing...

In order to provide an effective design method which can comprehensive consider working conditions for the U-type Platform, multi-objective topology optimization was studied, based on the theory of variable density. In this optimization, volume fraction as constraints, natural frequency and stiffness...

In this paper, we collected the meteorological data and forest fire danger rating data of four stations in JiangXi (NanChang, JingDeZhen, GiAn, GanZhou) from 2013 to 2015, and build a neural network fire prediction model. Then use GA, PSO and PSO-GA hybrid algorithm to improve BP neural network.By contrasting...

Deflection of stress direction occurs near anti-slide piles, forming obvious soil arches with adjacent piles as springers and creating the “soil arching effect”. Based on the stress conditions for anti-slide piles, a mechanical analysis is conducted on the soil arching effect, and three rational equations...

Firstly the evolution of evaluation standard of architecture was reviewed, then the ten famous buildings built in National Day of 1959 in Beijing were introduced to compare with ten contemporary Chinese ugly buildings. A reflection on the dangers and root of the present fanciful buildings was made. Finally,...

This document focuses on networking technology, ZigBee technology and sensor technology and PC serial communication technology to complete the classroom bell system based on a ZigBee networking design.The system has the advantage of humanization, intelligent, in addition to the completion of the basic...

The dam project has the characteristics of large volume of construction, complex construction environment, long cycle and difficult repair quality at the later stage of dam. If a dam break will cause casualties and property losses, it is necessary to improve the management quality of dam construction...

Mining activities are synonymous with the standard of life as well as the state of any nation. It results in both economic and uneconomic materials being generated. The uneconomic materials (wastes) are stacked at different places known as waste dumps. The stability of these dumps has been a major concern...

Composite wallboard will arise various problems of its surface quality which will affect the appearance as well as the durability of the composite wallboard if they are slight and influence the using function otherwise.This article mainly conducts systematically about the quality defects, get through...

In the present study, two stages of upflow anaerobic filters (UAF) were applied and the performance efficiency of UAF reactor was evaluated for rural domestic wastewater treatment under different operational conditions such as temperature (T), hydraulic retention time (HRT), acidity (pH) and different...

As our material life level unceasing enhancement, people's health consciousness and Care awareness has greatly improved compared with the original. At the same time with the aging of the population of China, the health situation and health awareness of the elderly is also deeply concerned by the society....

WBAN, as an important application aspect in the wireless sensor network, has a favourable application prospect in biomedical field, which can provide real time monitoring and health nursing for patients. Therefore, it requires a higher efficiency and better reliability on medical data transmission in...

The waste polyurethane rigid foam was degraded by two-component decrosslinking agent, and a qualified glass fiber reinforced waste polyurethane rigid foam is prepared by compounding the obtained oligomer polyol with a certain percent of glass fibers. The regenerated oligomer polyols were measured for...

In this paper, a simple and accurate empirical formula is adopted to establish an improved initial value setting model , and a relatively complete initial value setting method is obtained.We use a test search model with equal step size to determine the modulation ratio amplitude range m that has a solution...

To improve the applicability of designing scheme of windproof net parameters, according to the existed research results and years of design experience, this essay comes up with the method to optimize the scheme of plane layout of windproof net according to the local environmental conditions of each project...

Based on the investigation data on Cu in surface and bottom waters in the bay mouth of Jiaozhou Bay in 1983, we analyzed the contents, pollution levels, and distributions of Cu. Cu contents in Jiaozhou Bay bottom waters in May, September and October 1983 were ranged from 0.86-3.95 g L-1, 1.31-1.90 g...