Advances in Engineering Research

The formation of N-doped graphene (NG) use hydrothermal method with urea as reducing agent and nitrogen source. The surface elemental composition of the catalyst was analyzed through XPS, which showed the atomic ratio of N/C is 5.0%, indicative of the effective N-doping. The Au@Pt core-shell nanoparticles...

The conventional monitor mode of intensive crowd depends primarily on manpower or video surveillance, which employed to manage the crowd to prevent stampede is very difficult to implement effectively. For the purpose of judging the state aggregation of pedestrian in time, in this paper the correction...

Based on the comparative analysis of model between PC (prefabricated concrete) structure and traditional cast-in-place structure, a review process of BIM design model for PC project was established. Moreover, a review criteria of BIM design model for PC project was proposed, which includes the division...

A new copper(I) complex of [Cu(Flu-im-Py)(POP)]PF6 supported by Flu-im-Py =5-(9H-fluoren-2-yl)-2-(1H-imidazol-2-yl)pyridine, POP=bis(2-diphenylphosphanyl)ether, was synthesized and characterized. The corresponding photophysical properties were investigated using UV-vis and emission spectrometry. The...

In the body due to some exogenous factors and endogenous metabolic processes, leading to oxygen molecules produce reactive oxygen species. In the normal metabolic process, reactive oxygen intervention is harmful, reactive oxygen species within and outside the cell to initiate a variety of biologically...

Electron Multiplying Charge Coupled Device (EMCCD) is a kind of high sensitive imaging device, widely used in shimmer detection field. The paper proposed a design of image processing system for CCD201, an EMCCD with high frequency and high sensitivity of E2V Corporation. We selected the Xilinx product...

Synchronization of multi-coupled dynamical networks has received considerable attention recently. However, it is often difficult to estimate the coupling coefficients since we cannot get the exact boundaries of the variables for most chaotic systems. In this paper the network consisting of N (N 3) coupled...

The land subsidence is a geological hazard which is a reduction of regional elevation resulted in the compact of soil, caused by the natural and human factors. This paper mainly expounds the influence of water level, soil conditions, and the upper building load on the land subsidence, and provides the...

The wet sludge receiving, storage and feeding subsystem is the core of the sludge treatment plant project, and is apt to lead to the odor generation and the dust leakage, which will do damage to the environment. Based on the SIEMENSS S7-400 homogenizing treatment of the sludge through the control system...

This paper raises a group of software principles, which have higher operability and can improve the robustness, reliability, maintainability, etc, of software, as well, the article gives specific advice on testing method for each principle.

Electromechanical impedance technique is a very important research field in the structural health monitoring. This paper intends to study the mechanism of some interesting phenomena in the application of this technique, such as variation rules in electrical conductance spectra at high frequency range...

By the analysis of the knowledge constitution in the field of valve product design, combined with the CAD system based on knowledge , the knowledge support model is constructed, in which the knowledge support mechanism facing product design process is discussed, the knowledge support mode of each design...

Non-line-of-sight (NLOS) is the major problem for the indoor localization. So as to deal with NLOS propagation, a novel NLOS identification method is proposed based on the skewness and slope of the (energy detection) ED-based received energy block. IEEE 802.15.3c 60 GHz channel models are used as examples...

The study proposes optimization strategies which based on nonlinear and fuzzy control of coordinated control system of thermal power unit. On the basis of direct energy balance(DEB) method, variable gain and nonlinear course are introduced to improve features of control system and PID parameters are...

Pine pile is an ancient technology applied in soft ground improvement for more than 1000 years. With the rise of many high-rise buildings, many types of modern mechanized-construction pile are widely developed and applied, for example, steel pile, precast concrete pile, sand pile, gravel pile are widely...

On the basis of the study of SQLite and other concurrency control mechanisms in memory database, an adaptive concurrency control mechanism is proposed according to the operating environment of SQLite in intelligent mobile devices. The function and concrete flow of improved concurrency control are introduced...

This literature review presents an overview of the definition of brand, important roles of brand, followed by the characteristics of successful brands, consumer buying behavior and finally the models of consumer behavior. Brands are so important that they are regarded as the equity to a firm. Brand equity...

Nanoencapsulated n-octadecane with polyaniline shell as composite thermal energy storage material was synthesized using emulsion polymerization method. In this composite material, the n-octadecane was employed as the core material that is the latent heat storage phase change material (PCM), and the polyaniline...

In this work, we take the aminopyrine as the model pollutant in order to explore the Cu/Ni ratio effect on the photocatalytic activity of TiO2 nanoparticles. According to some researches, it is the best method to load of 0.1 mol %, the Cu/Ni ratio 1:1, and the photocatalytic activity of TiO2. Under low...

In this study, soy sauce wastewater was treated with SBR process. The effects of culture time, pH and aeration time on the removal of COD were investigated. The SBR process is a biological treatment method with simple structure and nimble operation. In this paper in order to study the removal effect...

How to judge the reliability of enterprise server has always troubled information managers and decision makers. This paper makes the reliability of enterprise server room as the research object, establish evaluation server index system reliability from four aspects of security, advanced technology, economy...

The plane strain fracture toughness KIC values of 2124 aluminum alloy plate of T-L and L-T orientation of thickness of 30 mm, 40 mm, and 50 mm were tested by using the standard compact tension specimen. The KIC anisotropic degree and mechanism of different thickness of 2124 aluminum alloy were studied...

A four-coordinate copper(I) complex containing N-heterocyclic carbene (NHC) ligand and bis([2-diphenylphosphino]-phenyl)ether) (POP) ligand were successfully reported and characterized. The corresponding photophysical properties were investigated using UV-vis and emission spectrometry. The lowest-energy...

Establishing food safety warning system hierarchy based on AHP,through the HACCP system and the time sequence related knowledge, the food safety critical control index is obtained,combined with the nine level scale method, the five point scale scale to establish the judgment matrix and calculate the...

Loitering munitions would quickly reach the target area in the complex battlefield environment, and perform a variety of application advantages, such as total field reconnaissance, flexible cruise monitoring, weather monitoring, the battlefield damage assessment, relay communication and target attack,...

An acquisition algorithm of Spread-spectrum TT&C signal is studied in this paper. The theory and key technology is analyzed. The block of design and the scheme of program are presented. The processing system of Spread-spectrum TT&C signal is actualized by the FPGA, and the function of the fast acquisition...

Highway is the major artery and main component of China's transportation system and plays a vital role in national economic construction. After an accident on the highway, how to quickly reach the accident point through effective dispatching and implementing emergency rescue operations is extremely important....

This paper briefly introduces the basic concept of artificial intelligence technology and points out its application in power system. The basic conceptions of artificial intelligence technology such as expert system, artificial neural network, fuzzy theory, genetic algorithm and so on are introduced...

The key problem in the acquisition of the entity attribute knowledge for natural language understanding lies in the connections between the entity attributes. These connections could be represented by entity attribute collocations. It is impossible to get these entity attribute collocations manually....

Natura 2000 sites are the largest network of protected nature reserves in Europe. These areas have a significant influence on planning investments in the member states of the EU, also in Poland since completion of building investments within their geographic limits, which could have a negative impact...

Targeting at the human target detection in infrared sequence images, the extraction method of feature region based on feature points is adopted. The depth-learning algorithm is firstly used to extract the feature points rapidly. Based on the feature points extracted by matrix double transformation, LBP...

It designs a kind of 38 pump having a sand control ability, strong corrosion resistance, equal diameter and depth on the premise of meeting the needs of the special wells in oil fields. This pump can satisfied with the design requirements, such as well depth is at least 2500m, oil well pump plunger stroke...

Methyltrimethoxysilane (MTMS) was used as the precursor to prepare organically modified silica (ormosil) aerogel powder. The preparation was done in two steps. In the first step, MTMS was transformed into a gel through crosslinking by a small amount of sodium silicate, and the gel was broken into small...

In this paper we propose a DOA estimation method by combining propagator method (PM) algorithm for co-prime L-shaped arrays. The array contains two uniform L-shaped arrays with the minimum inter-element spacing larger than the half-wavelength, which will cause phase ambiguity. Utilizing the co-prime...

Focus on the exchange and sharing of data provenance information between heterogeneous systems, this paper introduced the concept and usage of PROV-DM and PROV-O, and put forward an idea about the combination of PROV-DM and PROV-O to describe provenance information, then established a scenario to test...

Pro-E and Ansys software are used for solid modeling of a single-bellows air spring, finite-element processing methods for this model are discussed, and the meshing usability is validated. Using Ansys software, we solve various orders of natural frequencies of a single-bellows air spring are solved at...

Photovoltaic technology has been widely studied as one of the most promising new energy technologies around the world. The critical problem is, however, low conversion efficiency has hindered its development. This paper has analyzed effective factors to conversion efficiency in photovoltaic power system...

CSG material was used in low dam and embankment in aboard and home. Considering of the new building material and economic aim, the study of adaptation to base of CSG dam is very important. The CSG material and base was looked as continuous material. The ratio of CSG’s elastic model to base’s was used...

Recent years, exoskeleton robot has become the focus of fields of medical rehabilitation, military, aerospace, etc. But there still exist some hardnut problems in the design of mechanism, the movement intention detection and the coupling control of human-machine. Passive control is mainly used for improving...

The research of stock price volatility is very important. Traditionally, the stock price is usually processed as a time series, and don't consider the influence of stock trading volume. In this paper, we use Gaussian Mixture Model method to the clustering analysis of stock price volatility based on stock...

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,...

Operational cost of modern tram consists of the wage, maintenance cost, power consumption cost, management cost and other cost. This paper subdivided the influential factors of traction energy consumption and maintenance cost according to fixed cost and variable cost, and a method is proposed to analyze...

To solve optimization of aircraft vertical tail stealth design under airborne PD radar, the Kriging model based on agent tail stealth characteristics is proposed; Genetic algorithm is applied to optimization calculation based on the tail stealth agent model as objective function and the tail capacity...

The processing of blueberry pulp has great significance on its quality and nutrient. In this experiment, based on the optimized hot dipping method, we compared the nutrient of blueberry pulps adding two food flavor additives, citric acid and cocktails. The blueberry fruits of verity ‘O’Neal’ with different...

Under the circumstance of social development, with the rapid growth in passenger travel demand, the demand of development of public transport networks for the urban travel is daily increasing. The service capability of public transport network can't satisfy that all the passengers are able to arrive...

The B/S(Browser/Server) network structure plays an important role in computer architecture today, and it has become increasingly important to display the patent map in the browser, currently on the market circulation of a large number of patent map analysis software, but are generally very expensive...

Based on the studies of necessity about seismic analysis for mountainous buildings, especially the high-rise Diaojiaolou in the southwestern region of China, a Pushover analysis for a real high-rise Diaojiaolou was carried out. It was shown that the displacement of the first floor of high-rise Diaojiaolou...

The Automatic rolling production line has been in operation for several years since it was put into production in 2005. After that, the user interface of WINCC system turned to green screen constantly, which leads to more waste production, even serious accidents that cause shutdown of the whole production...

This paper focuses on a new-type rotating ribbed radiator. Compared with the traditional heat pipe radiator, the device will make fan and fin integrative, which will weaken the thermal boundary layer attached on the fins. Thus, it could avoid the accumulation of dust, then the total thermal resistance...

The emergence of enterprise business intelligence system can not solve the traditional database massive data intelligent analysis and forecasting problems. With intelligent, enterprises and organizations popularity and mobile communications equipment worldwide mobile communications needs of mobile business...

Maintenance management is an extremely important part in the work of electric power communication net, it's the key to guaranty stable operation of the network. This paper proposed that communication maintenance management based on fault early-warning analysis, used big data technology, and combined...

Due to the influence of repeatedly vehicles load and the environmental periodic variation, cement concrete pavement is damaged regularly and the normal usage of road is influenced seriously. The concrete mix proportion of a new kind repair material of cement concrete – slag base is designed in this paper,...

Considering the problems of low solution precision and suffering from pre-mature convergence by the basic bat algorithm, an improved self-adaptive bat algorithm (SABA) is proposed after the introduction of the self-adaptive step-controlled mechanism and mutation mechanism in this paper. The results of...

The effect of detergents on the quality and flavor of fresh-cut perilla was evaluated. The acidic electrolyzed water and sodium hypochlorite extended the shelf life of the perilla to 11d. The sodium hypochlorite treatments was more effective to avoid the loss of the greenness of the perilla leaf compared...

Soil nail shotcrete-bolt supporting scheme is adopted in pit supporting, while side slope will destabilize and collapse because drainage of soil nail shotcrete-bolt supporting design fails to meet the design requirements. The effect required by the engineering is fulfilled by adopting the design and...

The research tries to study humans' responses to superimposed costimulatory signals. The information, including music, natural images, may be perceived through sound and visual stimulus. The procedure is interested in the superposition state of superimposed vibrations, whereby two or more signals are...

Soil is an important part of the environment, which is the precious renewable resources. Soil heavy metal pollution is becoming more and more serious, which affects the normal function of soil, causes pollution of food chain, threats to human health and environmental quality. Mercury as one of the persistent...

Abstract: This article mainly from the waste of decorating family, switch socket is emphatically discussed. In this paper, we use qualitative and quantitative research method of combining the switches and sockets for home improvement wasteful conduct research. From the current situation of urban families...

Method of Moment is used to calculate vertical tail’s radar cross section(RCS). The impact of leading-edge sweep angle, span and inclination on vertical tail’s RCS is analyzed and then vertical tail’s RCS curves and function expressions with leading-edge sweep angle,span and inclination are fitted by...

This thesis takes the virtual power plant theory as the research background, designs and builds the dispatch management system based on the virtual power plant.The dissertation completed the software and hardware design of FPGA-based power monitoring device and realized the wireless transmission function...

In order to understand the different detection time of stone radioactive detection results impact, this paper for the three groups of stone sample take the different detection time radioactivity survey, and the detection results are analyzed. The best time of radioactive detection of the proposed stone...

In view of design purpose on the welding robot of different tanks, The purpose of this research is to welding robot motion controller is applied to the tank cover, the system adopts solution of “PC + motion controller”. The paper analyses the selection of F28335 motion controller, Through the way of...

The software testing is an important way to find bugs, and guarantee the quality and reliability of software. Automatic software case generation can effectively improve test efficiency, reduce test time and cost of development, so it has been widely concerned. Aiming at premature convergence and local...

A new compressive fusion algorithm based on non-uniform sampling is proposed. Although conventional block-based compressed sensing (BCS) represents a low computational cost, it suffers from low reconstruction quality since it is not well accounting for global image features. Employing the structured...

The land subsidence has become a common widespread geological disaster in the world. With the acceleration of urbanization and industrialization, the role of human economic and engineering activities in the land subsidence becomes the decisive key factors. Land subsidence has become increasingly a threat...

Accurately measuring the marine ambient noise is the premise for high resolution underwater acoustic detection, and sound pressure is a key parameter to certain the marine ambient noise spectrum. Scalar hydrophone is taken here to measure the offshore ambient noise for a long-term in certain offshore...

This paper think of the car provided by car company as the research object, the filter white noise was used to get some road roughness and create random road excitation, then the entity model of car and four pillar test bench was set up in ADAMS, and next, add random road excitation to the model to carry...

The size effect is defined as the reduction on the some seismic performance evaluation parameters with increasing size. As an important bearing member, the seismic performance and size effect of RC beams have been studied extensively over the past few decades, most of them came to the same conclusion,...

In recent years, the application of laser point cloud data has increased dramatically. How to efficiently store and fast process the data becomes an important research direction at present. Point cloud data contain a wealth of geographic information, belonging to the category of spatial data. Traditional...

With high voltage network as the core, the coordinated development of all levels of the grid, unified strong smart grid construction, the demand as a foundation for power grid intelligent base support of power communication transmission network development at a high speed. The expansion of the scale...

Electronic structures and optical properties of bulk -FeSi2 are investigated in detail by first principles pseudo-potential methods based on the density function theory. The calculated results show that -FeSi2 is a quasidirect band gap material with gap value of 0.74eV. The density of states is mainly...

Empirical studies show that the most successful continuous-time models of the short term rate in capturing the dynamics are those that allow the volatility of interest changes to be highly sensitive to the level of the rate. The mean-reverting constant elasticity of variance (CEV) process with regime...

Conformal mapping is an important issue of complex function theory. In this paper, a new method for numerical conformal mapping of doubly-connected domain is considered. This method calculates the constraint equations of numerical conformal mapping based on charge simulation method of doubly-connected...

According to the typical three generations of maritime satellite communications frame format, the first use of effective detection of the burst signal energy detection algorithm combined with matched filter, then the frequency of the burst signal detection based on the results of estimation and phase...

Three-year-old ‘summer black’ grapes were used for trial material to study the effects of spraying with the different concentrations of calcium fertilizer on grape fruit external quality and intrinsic quality. Fruits were sprayed 1000，1200，1400 times amino acids chelate calcium during the fruit color-changed...

The ever fierce competition in the financial market has highlighted the importance of maintaining good customer relationship for banks. The Customer Relationship Management (CRM) is built on a layered system and the traditional BP neural network has low speed and accuracy. The paper is an attempt to...

Energy conversation of sensor nodes for maximization of network life is the most important design goal while developing an energy efficient routing protocol for wireless sensor networks. Heterogeneity takes the advantage of different types of sensor nodes and improves the network life and energy efficiency....

In order to shorten the design cycle and to improve the design efficiency of the engine combustion system, a cloud-based design platform of engine combustion system integrating cloud computing, parameterized and modular rapid design is proposed. The overall framework of the engine combustion system analysis...

There are some new water-cooled ingot caster were built in some steel plant in China for produce large flat ingot to meet the increasing requirement of the large ingot. While as the ingots become larger, there may cause many metallurgical imperfections, such as segregation, surface defects, etc. For...

The living environment is the base of the survival and development of human, its sustainable development is directly related to the extent of human life and it is one of most important content that measure the progress of human society and culture development. With the rapid development of economy and...

Detection of combustible gases is very important to reduce the modality and disability of human in both of civil and military situation. In this paper, a method of detection combustible gases of acetone and ethanol was proposed by using back propagation neural network (BPNN) and principal component analysis...

Spatial data contains a lot of spatial information. Geographic Information System (GIS) provides methods to extract information and support decision. The difference of geographic data can be found out by analysis of variance (ANOVA) that is a method of spatial statistics, which is a part of GIS. In this...

In this letter,a 8QAM-DMT-OFDM optical access scheme is proposed and demonstrated. 8QAM-OFDM optical access signal is generated using discrete multitone (DMT) modulation, and its optical spectrum, electric spectrum before electro-optical conversion, constellation diagrams before and after transmission...

For mobile payments using Near Field Communication,this paper summarizes weaknesses in its implementation by the Android Operationg System and vulnerabilities in hardware layer.a new NFC payment model is proposed using NFC shield in paper.this model is secured by design and can be implemented using existing...

With the development of metropolitan, through operation between urban rail transit and suburban railway is the development trend in the future. In this study, the general concepts in the TCRP Transit Capacity and Quality of Service Manual were adopted, followed by the development of a set of comprehensive...

Electrical engineering courses are featured on combination of strong and weak electricity and take account into the specialized knowledge of the both. In the design of electricity tests and new products, it will significantly increase the complexity of test system and decrease teaching efficiency if...

Aiming at the fact that relevant conductivity of corrosion resistant aluminum conductor already used in the transmission line currently is reduced when the corrosion resistance is increased, the approach of "conduction equilibrium of rare earth and corrosion resistant alloy" is proposed that cerium-rich...

Object oriented algorithm is used for intelligent substation information process, based on XML Schema. One of the most important sessions for the intelligent substation construction is to integrate the mass historical data of devices and to establish the multi-dimensional model for OLAP or data mining....

Ozone pre-oxidation removal of MC-LR better, under the condition of pH4,ozone for MC-LR removal of 76.22%,than the original water removal increased by about 11%.With the increasing value of pH, ozone for MC-LR removal decreased, but higher pH beneficial ozone removal of turbidity, UV254, TOC and CODMn....

In this article the author use the datas of acoustic travel time, systematical analysising the abnormal pressure distribution obtained by equilibrium depth method in the lower assemblage of Yanchang formation 151 well bores in the middle area of western Ordos Basin, combined with the distribution patterns...

The substation automation system based on IEC61850 standard supports free distribution of functions and its reliability is closely related to the distribution mode of its functions. The realization principles of functions' free distribution are introduced and the method of reliability evaluation of substation...

In multiple sound-sources environment, robustness is a major challenge for audio recognition system based on audio fingerprinting, because mixed audio signals may make recognition rate has a significant decline. This paper proposes a novel audio fingerprinting method, which uses blind source separation...

Three-year-old ‘ruby seedless’ grapes were used for trial material to study the effects of spraying with the different concentrations of calcium fertilizer on grape fruit external quality and intrinsic quality. Fruits were sprayed 0.1%, 0.2%, 0.3% Calcium nitrate solution during the fruit color-changed...

WSNs are expected to find wide applicability in various fields ranging from engineering industry to our home environment technology. Efficient utilization of energy of sensor nodes and short distance multihop communication are the major factors in order to reduce the energy consumption in a sensor network....

Water park water quality impacts the public health illustrated by the increasing waterborne diseases outbreaks in recent years. Water samples were thus collected and analyzed for chemical constituents, organic matter, from the water park over spring and summer. Water quality varied seasonally with less...

In order to do a global evaluation of translation software and compare their differences within specific indicators, the study applied Euclidean distance and cosine similarity to evaluate 4 commonly used translation software tools, based on the analysis of the data from the questionnaire. The results...

The antenna control system for the problem encountered in the application, starting from the control algorithm to analyze the composition of the antenna control systems, introduces the antenna control system design, and antenna control unit, an antenna drive unit, shaft encoder unit and security unit...

The design, simulation and analysis of a dual-band metamaterial absorber(MMA) working at the microwave frequencies are presented. The single unit cell consists of two nested closed hexagon ring resonators and a metallic background plane, separated by a dielectric layer with only 0.7-mmthickness. The...

In view of the urgent need of radiator matching during the process of modern bulldozer design and considering the diversity as well as the individualization of different bulldozer types, a cloud design platform for bulldozer radiator which integrates cloud computing, parameterized and modular rapid matching...

The use of airbags can improve the safety of the car. Since the airbag appears to now, fabric for airbags has gone from the coated fabric to the uncoated fabric. The raw materials for airbag fabric has been nylon, especially nylon 66, which also prompts researchers from all of the countries continue...