Advances in Engineering Research

In this paper we select a set of parameters to analyst the warming and cooling progress of the water in the bathtub and view the moment of adding hot water as the main standard for our evaluation. Based on Law of conservation of energy and Newton's law of cooling, the temperature model was established....

Serial port is an ancient hardware port but difficult to be replaced. There are still many special devices in the use of it. However, In the Microsoft Windows, the serial port programming is becoming increasingly difficult. This article not only describes the Serial-Socket Bridge software structure of...

The long-term high-pressure consolidation test, of which the maximum consolidation pressure is 6 MPa and the longest consolidation duration is 34 months, is selected to simulate the deformation characteristics of the main compression soil layer (depth of 100 ~ 300 m) based on the study of the deep foundation...

A novel series-structure power transmission system connected by LCC-HVDC (line commuted converter based High Voltage Direct Current) and VSC-HVDC (voltage sourced converter based High Voltage Direct Current) is studied. The coordinate supplementary control of LCC-HVDC and VSC-HVDC is proposed to deal...

The high cost of the reliability test for water-entry process of air-launched vehicle prompts the numerical simulation method which has become a mainstream in the process of equipment development. In this paper, the author integrated the simulation results of vehicle failure mechanism with the calculation...

Rock anchor foundation is an economy and advanced foundation form which is especially applica-ble for wind tower construction in mountain area. Installation of expansion anchor head at the bot-tom of full length grouted rock anchors can serve to reduce the anchorage length and increase pullout resistance...

In order to realize the growth of ZnO/CdS nanorod with high quality, ZnO nanorods were firstly fabricated on glass substrates,and then the synthesis of ZnO/ZnS and ZnO/CdS heterostructures were realized by a chemical conversion method.the field-emission scanning electron microscopy (SEM), X-ray diffraction...

This paper studies the carbon fiber structure, physical properties, chemical properties as well as classification of the carbon fibers and the application of carbon fiber, through appropriate material selection (the merits of the material), a large number of experiments (of manufacturing a heating element)...

In distribution automation systems, transformer terminal unit (TTU) which, as a basic unit was distribution measurement and control equipment and was installed in branched distribution box of power basement and communicated with power main station through the communication network. Its performance determined...

The curriculum design of electronic technology (CDET) is one of the most important practice links at Chinese engineering colleges. It is critical to deepen understanding of the application of the premise courses (such as Analog Electronic Technology and Digital Electronic Technology) , and at the same...

Grey correlation model is employed to analyze sensitivities of influencing factors for landslide stability in this paper. This model regards sensitive factors of the landslide stability as compare sequences, the corresponding landslide stability coefficients as reference sequences, makes the basic data...

Attribute reduction is important to the mining of product configuration rules, the accuracy of attribute reduction will directly affect the subsequent mining of configuration rules.In this paper,the non-positive region in incompatible configuration decisions table is analyzed.A new attribute reduction...

The shaft power curve of low specific-speed centrifugal pump is a steep rise with the increase of flow rate. The blockage of the impeller channel can reduce effectively the shaft power of low specific-speed centrifugal pump, and achieve pump's non-overload characteristics. In this paper, the flow channel...

In view of the problems of poor equipment mobility and limited transmission distance when the existing hospital medical equipments transmits data to the hospital information system through wired connection, a type of wireless communicating and sensing module for medical equipments was designed, which...

In order to avoid unauthorized payment of various stolen NFC terminal and to ensure convenient payment process, NFC Secure Payment System Based On Fingerprint Identification is designed, the fingerprint image collection module and the NFC reader are connected on the system server the system software...

This paper studies the control system of self-excavated excavator, which is based on the working device of the small type loader. Firstly, the kinematics model of the working device is established by D-H method, so that the trajectory planning of the vehicle speed, boom oil cylinder and bucket oil cylinder...

The limb width and the limb thickness of the large size angle steel are very great, section area is more greater than that of the angle steel in the conventional power transmission tower, which can greatly improve bearing force of the single member. It is considered feasible after analysis that the 300mm...

Trichloroacetic acid (TCA) was used as a protein precipitation in the pretreatment process. The content of TCA in the sample was optimized. Lateral flow immunoassay (LFIA) based on superparamagnetic nanoparticle (SPMNP) probe for TTX detection was employed as a detection method. This article is intended...

The paper analyzed the side header in soccer using kinetics The finding indicated that (1) when header, the involved segments deserve keep closer to the notary axis in compliance with the moment of momentum, in this way the players can finish the header better; and (2) during side header with both feet...

Cone-shaped tubular anode substrates were prepared successfully by phase inversion technique. The effect of several kinds of organic additives on the microstructure development of NiO-YSZ anode support has been investigated. The scanning electron microscopy (SEM) results of NiO-YSZ anode supports show...

Different structure types of buildings have different structural characteristics and seismic performance. Earthquake disaster investigation and damage analysis results of different types of buildings can reflect the existing problems of China's urban residential buildings in the seismic structure design...

This paper introduces a kind of hook which can be opened under the loading. The mechanical structure and working principle of the hook is elaborated. In addition to the advantages of the hook which can be opened under the loading condition to release the weight, the hook can be controlled in the remote...

According to the problem that the facial expression recognition algorithm is easy to be affected by the error of the feature detection, this paper proposes a new algorithm based on Finite Automata Machine and realize the complete facial expression recognition system. The implementation steps include...

A new method for live line measurement of zero-sequence parameters of T-type transmission lines with mutual inductance is proposed. Firstly the T-type lines and multi-branch lines are equivalent to parallel transmission lines with mutual inductance, and then the live line measurement for parameters of...

The rapid development of the market economy promote the development of China's power grid career in recent years, the smart grid construction has gradually become an important power grid construction in content, and received wide attention. In the process of building a smart grid, you need a strong flow...

Ferroresonance over-voltage mechanism of converter transformer bushing tap caused by charging to connection was researched, and PSCAD model was established based on actual parameters of the site for analysis. A method of increasing the damping resistor was proposed to inhibit the ferroresonance, and...

Explosions, oxygen deficit fatigue, hazardous chemical exposure, radiation, and extreme heat are all very real health hazards in underground mining owing to the confined environment. Deep mine high-temperature heat is one of the most important hazards in coal mining, therefore predicting deep mine underground...

Due to the heterogeneity and the nature of distributed control, the existing electric power data communication network based on Synchronous Digital Hierarchy (SDH) has been unable to meet the requirements of dynamic resource allocation and fine-grained traffic monitoring. The OpenFlow-based Software...

In the study ,the coordination of GFRP rebar and concrete working performance are studied from two aspects of theory and experiment. By Making 9 groups of GFRP - concrete standard drawing specimen standard drawing and three groups of reinforced concrete specimen ,Getting the damage characteristics of...

Nine combinations of Cd2+ (0,2.5,5mg•L-1) and microbial flocculant (0,10,20mL•L-1) were set, and the hydroponics was adopted in this experiment to explore the effect of microbial flocculant on the rice growth and Cd accumulation under Cd stress, and chlorophyll content, net photosynthetic rate, plant...

In this paper, a new method of weight determination and fuzzy mathematics is introduced, and the characteristics of risk factors of project bidding quotation are introduced, and a quantitative method for the risk analysis of bidding quotation is put forward.

Machining accuracy verification is an important method in virtual manufacturing to determine if desired machining accuracy can be achieved before actual machining. A machining accuracy verification method is proposed in this paper. The design part model in STereo Lithography(STL) format is imported and...

Smile recognition has recently attracted significant attention due to the increasing accessibility in some digital products. Traditionally, the mouth feature has been extracted for smile recognition. However, it only extracts the features in the mouth region, ignoring the fact that face feature contribute...

Considerable deformation generates when concrete is with long-term loading and creep is one of the most important time-dependent behaviors and needs to be paid enough attention. It is of great important to understand the workability and liability of structures under long-term loading. This paper presents...

The effect of drying temperature on sensory and flavor of perilla was evaluated. The color, microstructure and flavor was evaluated. The drying temperature of 55 oC hold the color and microstructure of the dehydrated perilla as the control, while the temperature of 95 oC was effective to keep the flavor...

The results of MLA automated quantitative mineralogy system indicated the uranium ore used in this study was mainly composed of pitchblende(1.026), aluminosilicate(include biotite(31.72%), albite(13.98%) and orthoclase(13.43%)), and fluorite(0.94%). The fluoride-resistant bacteria strain could growth...

Analysis of the scheme - shift is difficult to effectively track the main defect of gray level moving targets un-der complicated background, puts forward the combination of Mean shift and kalman filter method for target tracking. The method by using kalman filter to predict the target in the current...

In order to effectively manage the construction risk of tunnel crossing existing bridge projects with active underpinning technology, the relations of risk factors were analyzed using interpretive structural mode. Used WBS - RBS method to identify all risk factors, established the risk factors adjacency...

Wireless Power Transfer (WPT) technology has wide application prospects in electric vehicle charging, medical implantable equipment and other fields owing to its strengths in exceptional productivity and low electromagnetic interference. Based on the principle of magnetic coupling resonance, this paper...

The lattice parameter, elastic modulus, elastic constants and electronic structure of TixZr1-xN(x=0, 0.25, 0.5, 0.75, 1) were studied with first-principle pseudopotential plane-waves method. The lattice parameters of TixZr1-xN increase with Zr atoms increasing. Bulk modulus B, shear modulus G and Young's...

Hidden Markov model has been widely applied in various fields and has obtained excellent effects. In this paper, we verify the feasibility of applying HMM to quantitative finance and the potential to obtain stable profits and detect coming bear market to avoid sharp falling process. We creatively make...

A solving method for constrained optimization problems was designed by combining adaptive penalty function (APF) method and an improved bat algorithm (IBA) based on swarm activity. Firstly, the authors proposed a kind of APF method. And then considering the conditions of constraint violations and the...

RIN protein plays a very important role in tomato fruit growth, development and ripening process. In order to study the regulation mechanism of RIN transcription factor in tomato fruit, the high purity RIN protein was firstly needed to get. In the study, RIN protein was efficiently expressed through...

The vehicle's next generation presents new requirements for high performance, high reliability and high stability of the body layout and electronic control unit (ECU). Using FlexRay bus to realize the ECU is an ideal solution for those requirements. The FlexRay technology can effectively improve the...

Flow pulsation characteristic is the inherent characteristic of the axial plunger pump, and it is an important factor that affects the working performance and the stability of the hydraulic system. To reduce the flow pulsation of axial plunger pump, theoretical analysis of the motion characteristics...

Cold roll-beating is a new advanced plastic forming technology, obtaining the forming force varying law is key to study the forming mechanism. Aiming at force measuring requirement in cold roll-beating forming process and the forming principle, a strain gage type dynamometer dedicated for cold roll-beating...

With the widespread application of distributed generation and increasingly requirements of power supply quality and reliability, a new type of of power system structure named "Microgrid" was proposed in order to seek a way to ensure environmental sustainability and to meet user demand for energy supply....

The rapid development of artificial intelligence technology has formed a systematic trend and gradually constructed an intelligent technology environment, which will have a great impact on human life style. The systematic development and popularization of artificial intelligence will deeply influence...

The rapid growth of data service promotes the construction of the electric power telecommunication in smart grids. With the objective of energy savings, we determine the optimal location of the data center with the minimal energy cost within all possible positions. An Integer Linear Program (ILP) is...

Based on investigation data on Cu in bottom waters in Jiaozhou Bay in July and October 1984, we analyzed the content, pollution source and sedimentation process of Cu. Results showed that Cu contents in bottom waters were in July and October 1984 were 0.13-2.97 g L-1 and 0.40-0.61 g L-1, respectively,...

whereas the special group, such as the elderly and patients, are easy to fall down in alternating between sitting and standing postures, this paper proposed to combine the TRIZE theory with ergonomics and conduct innovative design on special-group auxiliary wheelchair. by using the theory of TRIZ innovation...

The effect of dehydration on the quality of perilla was evaluated. The moisture content and water activity of the perilla decreased with the drying time and temperature. The chlorophyll content was enhanced when the drying temperature was decreased. The microstructure and cell wall were destroyed when...

Bracket has experienced vicissitudes for hundreds of years in Chinese traditional wooden architechture, so that the natural color on its surface had long been faded, however, the marvelous sculptures on it has always been suggesting that the lives of the ancients and it is the fantastic designs exquisite...

Bacillus mucilaginosus was cultured in the medium containing illite, then the culture was burned in muffle to prepare adsorption material modified by microorganism. The biological modified illite (BMI) was used to adsorb cadmium ions at different conditions. The result showed that BMI had significantly...

An identification method based on modal strain energy is proposed to identify the damage of a functionally graded (FG) Euler-Bernoulli beam. Based on the strain energy of the FG Euler-Bernoulli beam, the expression of element modal strain energy (EMSE) is developed for the two-node beam element with...

In this paper, the dispersion stability of multi-walled carbon nanotubes in combination with different metal particles was investigated. The available time of dispersions of metal-coated carbon nanotubes prepared by water bath ultrasonic dispersion was obtained. The UV-vis spectrophotometer was then...

in this paper, the ionospheric detector receiver analog channel are analyzed, and comb out the different kinds of common failures, due to the fault has the uncertainty and inaccuracy of how to modeling the ionosphere detector fault reasoning, and how to the ionosphere detector is a key problem for its...

In this paper, the Moving-Window method based on SCMC is used to calculate the property field of composite materials, and the results are input into the material properties of finite element analysis. By connecting with the finite element analysis program ANSYS, the local stress of non-homogeneous composite...

Roof greening is an important part of urban garden, which has lots of irreplaceable function and benefits. As the development of city construction, roof greening has become an indispensable part of people's life and become the focus of attention in city. Plants as one of the important factors in roof...

Due to large-scale wind farms connected to the grid, so when the grid computing need to consider the impact of wind farm integrated into the power grid. Paper firstly analyzes the model individual wind turbine. Analysis of the resistance Crowbar access to wind turbine model and the number of wind turbines...

It is important that control center operators be alerted to system disturbances, including where, when and what disturbance occurs, so that proper anticipatory actions can be promptly taken if necessary, avoiding oscillation spreads in the power network. In this paper, the wavelet multi-resolution analysis...

Aiming at the question of defect image segmentation in quality detection of bullet appearance. Through the analysis of color characteristics of bullet appearance defects and combined with OTSU algorithm and two-peak algorithm, Proposes a hybrid threshold segmentation method based on color model. The...

In order to analysis the modal of wind turbine blades, we need to build a three-dimensional model of wind turbine blades, and then using the finite element analysis software ANSYS three-dimensional model established meshing, build fan blades finite element model, and finally to analysis the modal of...

With the wider application of unmanned aerial vehicle (UAV), automatic navigation capacity plays an important role. Navigation for UAV is the algorithm that automatically find out the obstacle-free, smoothing path from start position to target position. Current most navigation algorithms for UAV still...

A novel unsymmetrical isomeric photochromic dithienylethene, 1-(2-methyl-5-phenyl-3-thienyl)-2-{[2-methyl-5-(3-1,3-dioxolane-4-methoxyl)phenyl]-3-thienyl]}perfluorocyclopentene (1o), was designed and synthesized. The photochromic and fluorescent properties of 1o were also studied. It is demonstrated...

Using D-H method develop HY-3 manipulator’s trajectory and establish the kinematic model. Using mechanical system simulation software—ADAMS to simulate manipulator’s trajectory and verify the correctness of theoretical analysis.

With rapid development of soybean industry in recent years in China, the soybean wastewater is doing greater and greater harm to the water environment. Now the SBR (Sequencing Batch Reactor) process has been widely used all over the world, and the SBR process is a biologic treating process of wastewater...

With the rapid development of economy, the power system has also been a rapid development, the whole social also made a lot of the higher requirements. Today's society requires power supply reliability and safety of increasingly high quality, large power due to their own shortcomings can not meet this...

Image filtering is an important part in the process of image preprocessing, such as get rid of the noise from image. This paper introduces the application of median filter in image restoration, and the purpose is to repair the contains a lot of tiny crack in images. By comparing all kinds of filter,...

Cyclohexanone pentaerythritol ketal was synthesized from cyclohexanone and pentaerythritol by condensation using NaHSO4 as catalyst and characterized by NMR and MS spectrum. Furthermore, the structure of the tile compound was confirmed by single-crystal X-ray diffraction. It crystallizes in orthorhombic...

With the continuous development of computer technology in recent years, Agent system is considered to be a new and effective technology in the complex system development process, which is supportive in open environment. Therefore, much attention has been paid to Agent-oriented program design, and AOP...

Based on the superposition method for computing deflections of beams, the method of equivalent replacement beams is proposed for calculating displacements of beams. This method can be used to investigate the problems of deformation of statically determinate beams and indeterminate beams. This method...

A straight-tube type high pressure air ejection device was studied in this paper, aiming at impacts that structure parameters, gas source characteristics and environmental factors on the interior ballistic characteristics of ejection system and considering the real gas effects of compressed air, an interior...

In view of problems such as difficulty in measuring state parameters and disturbance in the process of agricultural machinery, the monitoring system is designed for running state of the oscillating subsoiler based on CAN bus, to collect the deep loosening machine running speed, tractive resistance, the...

Running is the cantilever method is adopted in the study of the construction of continuous rigid frame bridge construction monitoring.The bridge with high pier and large cross-border, narrow bridge deck and other characteristics, high construction requirement and great technical difficulties.According...

the ionosphere detector is the ionosphere detection equipment, its can be long-term, effective and stable operation, relationship can effectively the ionosphere normal detection. Therefore, it is imperative to research on fault diagnosis of the ionosphere detector, this paper mainly analyses its transmitter,...

As electronic technology to the continued progress of the requirements of electronic devices is also rising. Power circuit as a source of motive is playing an increasingly important role, Regulators sources in various laboratories or other places are indispensable. SCM technology with the continuous...

The Internet, mobile communication and all kinds of new wireless application technologies have greatly changed the internal operation model and external transaction model in traditional enterprises and big data has become a valuable resource for enterprises. Cloud accounting comes into being, which is...

There are many, incidents where the spontaneous combustion of coal in underground longwall panels has resulted in the explosion of methane gas. The existing spontaneous combustion detection techniques have largely helped the mining industry in the early detection of spontaneous combustion in longwall...

Information mining of urban thermal field is the key in the study of the urban public security and sustainable development. The moderate-resolution imaging spectroradiometer (MODIS) remote sensing images in 2010 were used to mine the urban thermal field information with the mono window algorithm; furthermore,...

According to the bad effect of the existing evaluation model of technology innovation in practical application, an evaluation model of enterprise technology innovation is proposed based on factor analysis. On the basis of the elements in input-output process, the multi-index comprehensive evaluation...

PM2.5 particulate pollution is becoming an important risk factor for the health of urban residents in China. In order to quantitatively evaluate the health effects and economic losses of atmospheric particulate matter pollution on residents this study uses exposure-response relationship based on the...

The logistics process improvement scheme is described in this paper using AR (augmented reality) and mixed RFID (radio frequency identification) technology. Now, the augmented reality and RFID technology are well known and widely applied in practice, they are merged together can enhance the visual function...

The contamination of soils with heavy metals has become a major environmental concern. Extractive-decontamination of the toxic metals (Pb, Cd and Cu) from the contaminated soil using N2EDTA and STPP was evaluated by batch extraction. The influences of mixed liquid concentrations, oscillating time, pH...

Recently years many large lakes are eutrophic or in serious state of eutrophication. And most eutrophic water from phosphorus control action is the amount of input, so how to effectively reduce the phosphorus content of sewage has become noticeable within the field of environmental protection issues....

The power is a essential resource in the life of people. With the continuous expansion of the city and covering an area of the grid more widely, it is difficult to control the growing supply. The stability and the change of the power in the power system have a direct relationship. An effective way to...

It is of great help to take proper anticipatory actions to eliminate the disturbances that identifying disturbances timely and accurate, avoiding blackouts. In this paper, the wavelet multi-resolution analysis based method is introduced to identify power system disturbances. The effectiveness of the...

The improvement of modern science and technology, changes in the form of war, have prompted the development of intelligent munitions. This paper first introduces the concept of intelligent ammunition and classification, then the use and technical parameters of several foreign advanced munitions are summarized....

Rich in natural resources, the south China sea area islands is various, but the area is not large, dense distribution is normal landing craft in the process of using the shortfalls, stability, speed and endurance greatly affects the work efficiency of the construction of the south China sea, thus put...

Microneedles have several applications in beauty and medicine. Many researches are investigating the manufacturing of microneedles on a mass-production scale with relatively low costs, relatively few studies on the mechanical behavior of the microneedle into skin and piercing manner, especially few about...

In order to study the integration technology of field bus and industrial Ethernet, a scheme of gateway between PROFINET IO and PROFIBUS PA is proposed. Employing Siemens EB200 IO Evaluation Board to access PROFINET IO network, the gateway is implemented with a PROFIBUS PA as an external connection driver....

In order to clarify the technical layout and development trend of water pollution control research in China, this paper analyzes the related domestic patent application of the water pollution control from 1985 to the present based on the Soopat patent search database, and analyzes the time layout of...

Along with the aging process, the number of elders with dementia in China is increasing rapidly. However, both the facilities constructed and policies made for them as well as the relevant research and explanation are almost blank so far. Focused on their special physical and psychological status and...

At present, by existing sensors, sub- N micro-force in micro-assembly is not able to be reliably measured. In this paper, using PVDF film as the sensitive element and using micro-force sensor based on PVDF as the research object are to establish the model of PVDF sensor and analyze the relationship between...

According to the nowadays production conditions of JinLin province, The effective system was developed by utilizing the knowledge of agricultural production, computer science and internet technology and so on in the paper. In order to reach the aim, the author combined theory model and quantitative research...

In the machine tool manufacturing industry, most of the design is based on previous resources, in terms of similar structure; the traditional mechanical design takes the approach of repeated modeling, but this approach greatly limits the scope of the personnel involved in design activities. It costs...

Platform of MATLAB Simulink module is used to establish hydrofoil USV of the intelligent propulsion system simulation model of the chaos optimization program. Using the program to optimize the parameters of the hydrofoil USV propulsion system can significantly improve propulsive performance. The reliability...

To improve the increasingly degenerating environment of the wetland in the estuarine delta of Diaokou River, the Yellow River Conservancy Commission conducted ecological water supplement to the wetland during the water and sediment regulation period in 2010. In this study, we analyzed the landscape patterns...

Nuclear vessels hydrostatic test is one of the important test means of the nuclear vessel sealing and pressure resistance, this paper introduces the factors which need to consider when making the nuclear vessel hydrostatic test scheme , (such as: the choice of intake and exhaust point, the determination...

In this paper, an optimization design method based on the Particle Swarm Optimization (PSO) technique is proposed for the enhancement of the passive suspension system performance of heavy vehicles. The optimization problem based on a quarter-vehicle model aims to minimize the dynamic tyre load subject...