Advances in Engineering Research

In the analysis of steel frame, the bearing capacity of joints is the basic mechanical property. With reference to the component method proposed in the Eurocode 3 (EC3) specification, based on the characteristic of transmitting force in each component of the outer shell joints, the bearing capacity of...

The article has designed a paperless examination system based on C/S pattern. The main task of the system includes the examination setting, system information, system management, examinee examination management and teacher marking management. The examination time of examination system is flexible, examinee...

Ferroelectric thin films described by the transverse field Ising model have been studied by using the usual mean-field approximation. The critical behaviors (the critical surface transverse field and Curie temperature) and polarizations in a transverse Ising film with multi-surface layers are calculated....

Propagator Method (PM) algorithm is a common method for the estimation of direction of arrival (DOA). In this paper, we propose a reduced dimension PM (RD-PM) algorithm for non-circular signal with linear array. We reduce the dimension of the pseudo spectrum function so that we need only one dimensional...

The studied results of correlation dimension of spatial patterns of population distribution of L. regale by box-counting dimension show that: 1) in most sample plots the fractal properties of box-counting dimension are significant; 2) in most sample plots the box-counting dimension is small, indicating...

NaOH and Na2B4O7 -10H2O solutions of texturization were investigated and a series of comparative experiments were made by our group. The surface microstructures studied with a scanning electronic microscope (SEM). The different etching time and the different concentration of the solution have a larger...

La2NiO4 conductive particles were incorporated into Cu matrix for enhanced electrical contact performance, while their effect on the arc erosion behavior of contacts was investigated. The results indicate that the particles in the hot-pressed Cu/La2NiO4 composites accelerate the separation of oxide scales...

This paper has analyzed impact on shaping density current forward of the Reservoir and sediment discharge of Sanmenxia Reservoir water storage capacity before flood season and discharge method, and pointed out that Sanmenxia Reservoir shall store water as much as possible before flood season and gradually...

The promotion of green technologies in office property developments has triggered a series of changes in the existing market. Firstly, this paper examines the existing office property market based on the Office Market Report 2014 by Property Council of Australia which illustrates the demand for sustainable...

In order to solve the problem of mechanical professional courses classroom boring, designed a new interest linkage mechanical mechanism demonstration teaching aid. The teaching aid comprises five sets of mechanical mechanism, respectively, gear mechanism, Geneva mechanism, slider crank mechanism, an...

In order to improve the efficiency of railway operation and management, and meet the needs of unmanned value development, the railway room equipment working conditions and the engine room environment are monitored with MCU and sensor technology. Administrator will be notified immediately via GSM SMS...

In view of the current shortage of electric forklift hydraulic elevating mechanism, a new type of hybrid forklift elevating mechanism was proposed. The design calculation was executed according to the maximum load, elevating height, elevating speed and other related design parameters. At the same time,...

In recent years, the micro blog in the social networks in China is becoming more and more important, people use micro blog more frequent, people can follow to the people they want to know, and people who have common interests. Based on the analysis and research of the existing micro blog friend recommendation...

In the railway permanent way department,the daily work of maintenance,inspection and repair dependents on a large amount of inspection data which comes from various ways,such as dynamic/static monitoring devices,mapping on site,design standards or railway rules.These data needs to be imported from various...

This paper aims to evaluate the sustainability of the country using mathematical methods. First we select nine indexes from natural resources, economic strength, human resources and social living environment in total to establish the index system for sustainable development and validate the completeness...

The dynamic model of multibody system is one of the main contents of dynamic study of multibody system. The dynamic mathematical model can be divided into two categories, the first one is a simple second order differential equation; the second one is Differential - Algebraic Equations. As for the solution...

While the management and development of water resources requires continuous establishment and improvement of the property system of water resource assets, a premise of such establishment and improvement requires a comprehensive understanding of water rights. What kind of right is water right What is...

In this paper, we design an improved three mode redundant self checking and self repairing system based on the technology of MIPS dynamic partial reconfiguration.The system adopts the fault tolerant model of reconfiguration and dual module comparison, The reliability of the system is analyzed by Markov...

In this paper, experimental study and finite strip method were used to analyze the lateral shearing performance of adjacent precast concrete box beam bridge shear key. According to the structural style and the load characteristics, the finite strip computational theory was introduced to derive the finite...

Based upon the synopsis of big data and electronic information system, this paper puts up the data framework, carries out practical analysis and systematic application of data collecting technology, data synchronization technology, data excavation technology, and data analysis technology, and describes...

Hadoop is a wide applied tool for large-scale data-intensive computing in big data, but it can only be implemented on single cluster environment. In this paper, we focus on the application of Hadoop across multiple clusters and dedicate to solve the key problems of data sharing and task scheduling among...

Flood is one of the most important diasaters in city and occurs frequently in recent years.It has highly spatial relevance. The urban spatial relevance of urban flood risk are analyzed in the paper and adaptive methods of urban space toward flood, including avoiding high-risk areas , building buffer...

As an important part of intelligent city construction, intelligent transportation has gained more and more attention. The concept and general structure of intelligent transportation are briefly introduced. The key technologies of wireless sensor network, data mining and intelligent transportation cloud...

Poly (vinyl alcohol) (PVA) and poly (vinyl pyrrolidone) (PVP) nanofibers prepared by bubble-electrospinning are studied experimentally. It shows that the relative humidity predominantly affect the morphology of the formed nanofibers. The nanofibers with high quality are essential for their applications...

Laser induced forming is a kind of dieless forming technology, which is caused by the uneven internal thermal stress caused by local transient heating. In this paper, the characteristics of the laser flexible thermal forming technology are introduced, and the application prospect of the laser induced...

In this paper, we propose the noncircular estimation signal parameters via rotational invariance techniques (NC-ESPRIT) algorithm as a two-dimension direction of arrival (2D-DOA) estimation algorithm for uniform rectangular array. Compared to conventional circular ESPRIT algorithm, the proposed algorithm...

0Cr18Ni10Ti austenitic stainless steels were coated by hot-dipping in molten Al bath and molten Al-5 wt. % Si bath. The cyclic oxidation resistance behavior of both hot-dipping Al samples and hot-dipping Al-5Si samples at 900 for 24 cycles have been investigated using muffle furnace. The element distribution,...

To satisfy the requirement of surface roughness with medium measurement in the machining process, a surface roughness prediction system is developed in this paper. A process classification algorithm and a texture feature difference compensation method are proposed. Four kinds of texture feature including...

According to the characteristics of Raman fiber signal, combined with the advantages of wavelet threshold denoising and empirical mode method, the two methods are combined for removing noise. This method improves the signal-to-noise ratio by 15% in simulation experiments. This will get more accurate...

With the development of the times, the demand for dairy becomes more and more heavily all over the world. Meanwhile, the dairy wastewater is doing more and more harm to the environment. Now the SBR(Sequencing Batch Reactor) process has been widely used in dairy wastewater treatment. The SBR process is...

An effective density clustering algorithm, called Clustering by Fast Search and Find of Density Peaks (CFSFDP), is appeared on science in 2014, which is simple and efficient and doesn't need many parameters. However, it needs make sure of cut-off distance parameter artificially. For the above problems,...

According to definitions, geometric characteristics and corresponding error evaluation functions of straightness error, flatness error, roundness error, cylindricity error and sphericity error, the concept of evaluation reference of form error is put forward by analyzing the minimum zone evaluation method...

Based on the B / S network architecture is very widespread, and the distance between the browser and the application server is usually more distant, and therefore ensure that the information transmitted over the remote line is particularly important. Many domestic and foreign academic institutions, enterprises...

Route planning and optimization is significant for milk run system. Therefore, taking minimizing the transportation cost as objective, a route optimization model of milk run was developed. For the discreteness of solution, a discrete firefly algorithm based on bi-layer coding was proposed. Finally, through...

Precipitation washout is a common and effective measure to restore the storage capacity of reservoir. In order to study erosion effects under the condition of different boundary conditions, control water level and flood duration in later sediment retaining period of Xiaolangdi Reservoir flood duration,...

In recent years, the airlines industry develops pretty fast. However, the profit of airlines does not match with the inputs. So the purpose of this paper is that evaluating how serious the problem is by measuring the technical efficiency of airlines in China with the Stochastic Frontier Analysis. We...

Recycled waste brick (RWB) aggregate has obvious different properties from recycled concrete (RC) aggregate and is hardly accepted because of its lower strength and higher water absorption. The effect of recycled waste brick fine aggregate on compressive strength and flexural strength of mortar was studied....

With the widely use of cloud-based MapReduce frameworks, an increasing number of solutions have been proposed to optimize the performance of the cluster. Majority of the existing studies concentrate on optimizing the task scheduling or resource provisioning mechanisms to improve the platform’s data processing...

Bag of Features (BoF) has been successfully exploited in content-based image retrieval for several years. Due to its performance and popularity, several extensions have been proposed that involve feature description, dictionary building, feature encoding and post-query process, etc. This paper proposes...

In this paper, a vision-based target detection and tracking approach using improved multi-feature camshift is presented. Because the traditional camshift based on single feature is not robust when the background color, illuminate and target deformation change, it may lead to lose target or failure of...

The urban-rural dual structure is a product at a certain stage in China’s economic and social development, which causes the inequality and imbalance of economic and social development in rural and urban areas as well as severely restricts the construction of a holistic well-being society. It is inevitable...

Ecological environment and natural resources are the basis for the development of tourist cities. During tourism development, the ecological environment and natural resources will be greatly challenged. These activities may affect the environment, so the construction of tourism activities should be carried...

To assessment the sustainability of resource-based city development from the perspective of ecology, this paper evaluates the sustainable development level and ecological security of HanCheng City with combined method of ecological footprint and the sustainable development index. The results show that...

The research of this paper is of theoretical significance. Bankruptcy probability is an important basis for insurance companies to measure the risk, help insurance companies to prevent and resolve financial risks. Bankruptcy theory as a risk theory of the main research topic, of course, requires consideration...

UAV is increasingly popular in the field of military, civil and scientific research, since its low loss, strong adaptability and high mobility. This paper introduces the design and implement of the visual tracking system based on the rotor UAV, and gives the UAV a function of continuous and stable tracking...

Chinese modern architecture was the most popular style in the period of 1930s influenced by the style of Beaux-Arts of architects, Chinese Palace style architecture. Here we talk about the traditional inheritance of the Shanghai Special Municipal Government Building and the comparisons between the western-influenced...

The Ansys finite element software is used to calculate the crack opening displacement and Stress intensity factor (SIF) for Single-edged notched tension (SENT) specimen of Clam steel under the tension of 1000N. During the simulation, the crack opening positions for five groups and the different crack...

With the rapid development of modern aviation industry, the air traffic is becoming more and more advanced, modern communications technologies are required to ensure aviation safety and the efficiency of navigation. The concept of aeronautical Ad Hoc network have been proposed on these requirements,...

This study makes use of (1) LifeMod biomechanics software to construct customized user parameters; (2) the load conditions of hip joint and knee joint created by software analysis to serve as a basis of motor rating selection; (3) foot plantar pressure measurement plate and gesture recognition sensors...

This paper mainly discussed how to generate three-phase sine wave by ATmega128A single chip microcomputer. The paper describes the principle of sine pulse width modulation and pulse width algorithm of SPWM wave in detail, briefly introduces the structure and the function of ATmega128A microcontroller,...

This paper focused on research the dynamic adsorption capacity of immobilized microorganisms on diatomite-based carrier material. Several important parameters were studied, including different immobilization methods, pH value of cross linking agent, the influence on the physical properties and degradation...

The bean products wastewater treatment process has been studied by SBR. Theexperimentstudied effective of reaction timeunder low dissolved oxygen on SBR system. The experimental result indicated that under the condition of influent COD is 330~460mg/L, the reactor has a good degeneration ability of COD,...

According to the structural characteristics of planetary gear transmission in the field of high-power tractor, a statics of calculative model for the load distribution of planetary gear transmission system is established. With the theory of equivalent mesh error, the main factors which affecting the...

In the vehicle energy management and battery management system, the parameter monitoring system of the battery is the important basis to ensure its operation. The new observation system for state of battery is designed according to the principle of storage battery and its charge and discharge characteristics....

A method of reversible data hiding in encrypted images is proposed, in which either data-extraction or image-recovery is applicable to an encrypted image. The proposed method is a reversible data hiding in encrypted image with improved performance. A content owner first encrypts the image by permutation...

Key management system deals with the key question for the entire process of key from produce to final destruction ,including system initialization, key generation, storage, distribution, renovation, destruction and more. The paper conducts research for public transportation IC card certification and...

Transmission line localities in China is topography complex. Natural conditions and artificial patrol way need to spend a lot of manpower, which is inefficient. Thus transmission inspection based on unmanned aerial vehicle (UAV) has been attracting the attention of relevant researchers since produced....

Existing security protocols are only promoted or evaluated in one of the aspects of security or performance, but network users' demand for network security is diverse and varied. Providing one security protocol does not meet users' demand. Meanwhile, there is a severe phenomenon of wasting network resource....

It is a big challenge to get complete accurate information as well as deal with huge amount of signal information when an ultrasonic phased array (UPA) instrument is used to test aircraft components. To solve this problem, a method that combined information fusion technology with Graphic Processing Unit...

A novel hierarchical Fe3O4/TiO2 hollow microspheres were prepared by combining sol-gel process, hydrothermal etching technology, and high-temperature calcination. The microspheres displayed excellent performance in the photodegradation of methylene blue under visible light. The Fe3O4/TiO2-LiNO3 composite...

A new type of seismic isolation device, SMA spring-friction bearing (SFB) is developed and its application to lattice grid structures is investigated in this paper. First, a simplified restoring model is derived to simulate the hysteretic behavior of the SFB. Then, a SFB specimen is fabricated and tested...

PCM/FM signal model, this paper presents for the PCM/FM demodulation analysis presented PCM/FM signal characteristics of a new method -WVD law, and PCM/FM signal to be analyzed under different noise simulation, the results show , PCM/FM is a very effective method WVD analysis.

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...