Advances in Engineering Research

In order to release the emissions of H2S, this study designed experiments investigate the effects of nitrification (NaNO3, NaNO2 and ammonium molybdate) on producing and releasing H2S during kitchen waste composting. All treatments were analyzed using 60L heat insulated composting vessels with forced...

A target location algorithm for distributed acoustic sensors was presented. Acoustic energy-ratio between sensors was used to solved the position of sound source iteratively, without priori information of position and rigorous clock synchronization. Experiments showed that target could be accurately...

Mirco-fibrillated cellulose (MFC) aerogel was reinforced by chitosan. The reinforced MFC aerogel was used as heavy metal ions absorbent. The results showed that the aerogel had good absorption capacity of over 200mg/g for all 4 kinds of heavy metal ions, Cd2+,Zn2+,Pb2+ and Cr6+ in the initial concentration...

In this study, wheat straw loaded with neutral red was reused to adsorb congo red (CR) from aqueous solution in a fixed-bed column. Compared to wheat straw, adsorption capacity of NR-loaded wheat straw towards CR was significantly higher. The the flow rate, the influent concentration of CR and bed depth...

Quasi-elastic contact method can be used to study the wheel-rail contact relationship of worn tread. In this paper, wheel-rail contact relationship of standard and worn LMA tread have been calculated under the condition of rigid contact and quasi-elastic contact. By comparing with rigid contact which...

From the view of practical application, this paper designs the human body physiology information collection nodes, the coordinator node, wireless transmission system using CC2430 microcontroller, and detailed design information of human body sensor (temperature, heart rate, ECG / pulse) circuit diagram....

The main difference between locomotive schedule of heavy-loaded railway and that of regular rail transport is the number of locomotives utilized for one train. One heavy-loaded train usually has more than one locomotive, but a regular train just has one locomotive. Based on analysis of the current locomotive...

By integrating historical accumulation and outstanding natural landscape, cityscape planning could create impressive and easy-sensory city image. By means of natural situation, historical and cultural resources, Hebei Baoding historical district cityscape planning makes plan for landscape theme, landscape...

Wireless communications have been applied to every aspect of our life with the development of modern communication technologies, which makes the problem of interference more critical. Especially for the frequency hopping (FH) systems, the application scenario of them is very complicated. Developing anti-jamming...

Subsidence is a universal process that occurs in response to the voids created by extracting solids or liquids from beneath the Earth surface. The void created by the underground extraction causes significant changes in the magnitude and orientation of the insitu stress field and results in deformations...

It is very important to analyze urban mobility patterns and facility distribution for urban planning and management etc. Using mobile phone data, original base station data are made statistics and analysis. We improve AHC hierarchical clustering algorithm to discover community structure of urban base...

Compared to the bond-type anchor, the compression-type anchor, whichanchors the CFRP tendon by applying a compressive force on its surface, presents the advantages of not needing a curing period for the filler and to reduce the sleeve length by more than 30%. The fabrication of the compression-type anchor...

Each perceptible earthquake provides unique information about its real manifestation on the investigated territory. That is why the data on the manifestation of even a weak earthquake are important for creating and refining seismic hazard maps of various levels. The analysis of available data of macroseismic...

The aim of the research was to study, considering the modern requirements of amino acid, composition and biological value of milk proteins of Holstein cows, imported from the Netherlands, during the adaptation period in the agricultural holding "EkoNivaAgro" (Voronezh region) with the level of milk yield...

To reduce the waiting time for safety check in airports, and improve the transport efficiency, the safety checking model should optimized based on the premise of safety. Since security system has a concurrency, and Petri net can express concurrent events, Petri net model is used to solve this problem....

Temperature is an important factor affecting the weighing accuracy of the piezoelectric thin film Weigh-in-Motion (WIM) system. Because the temperature compensation coefficient formula given in the existing technical data is not effective in practical application, and because the time and cost factors...

With the example of The convention and exhibition center of Bainiao River, this paper discusses how the convention and exhibition center creates the space with regional characteristics and conforms to the development of the times by introducing the concept and design method of this project planning.

In this paper, the problem of stabilization for Markovian jump systems with additive time-varying delays is considered. First of all, by constructing a new Lyapunov functional with triple integral terms, using new inequalities, convex combination technique and combining with other analytical techniques,...

The water in the oil causes a hydrolysis process that produces free fatty acids and causes a rancid odor on the shredded. Therefore, shredded fish can be appropriately drained. The conventional draining process is challenging to minimize the oil content in the shredded. The draining stage is essential...

Infrastructure development plays a crucial role in accelerating national progress in Indonesia. As an archipelagic nation where water territories cover two-thirds of the total land area, concrete utilization is particularly significant for coastal, offshore, and water-related construction projects. This...

The purpose of this research was to identify the attribute determinants of environmental dimensions that support sustainable production in coffee farming, especially surrounding the watershed area. The research location was a coffee production center surrounding protection forest upstream of Way Besai...

With the development of smartphone technology becoming more sophisticated, more developers were trying to increase the capability of smartphone. One of such functionality was the use of camera technology not only as image capturing device, but also as scanner substitution device to increase productivity....

As an important aspect of complex cognitive activity, English writing is regarded as the difficult part in college English teaching. The popularity of Internet and mobile terminals marks a new era of big data, which has significantly changed the ways of thinking and learning, and also brings new opportunities...

In this paper ,the research object is the double friction drawing reel of winch which the rated load is 50kN. We identified the main parameters of the double friction drawing reel, includes the bottom diameter of reel , the type of groove, the pitch of groove, the depth of groove, the radius of groove...

The GPRS communication system discussed in this paper which uses S3C2410A embedded microprocessor as main unit and SIM300D as the GPRS communication module. The development process of the system is introduced detail in this paper. It includes the construct of the development environment, hardware system...

the functional film is the development and application of nanotechnology, along with the development of computer, semiconductor, solar energy and other industries, a related functional materials -- transparent conductive oxide thin films produced, developed, researching on ZnO: Al ZnO films doped with...

Resistive sensor is widely used in every aspect of production and life, and it has many good qualities, like wide resistance range, nonlinear resistance change and so on. Resistance sensor measurement system is an important step of design and improvement of the property of resistive sensor. A reformed...

This paper builds capability maturity model of digital libraries based on the capability maturity model for software and sets up knowledge management maturity level according to the characteristic of digital libraries. Each level sets key process area, then gradually improves the digital libraries knowledge...

The quantity and significance of web application increases quickly. Meanwhile, the influence of vulnerabilities in web application grows as well. Automated tools are urgently needed because manual code reviews are inefficient and fallible. However, previous static code detection tools lack of alias analysis...

In Winter, due to the cold weather, the most of cities' landscape in northern China are in the "Semi-abandoned" status. Yellow vegetation , frozen water and idle facilities,these kinds of landscape effect is difficult to match the goal of landscape design. The study found that plant growth is not only...

This paper simulated the effects of faults on mine pressure distributions in coal mining process by using UDEC4.0 numerical simulation software. The rock burst mechanisms of normal faults and thrust faults were analyzed first. After that, the working face of front abutment pressure peak values and distributions...

The air defense of ship formation cooperation decision-making is a multi-stage multi-objective system. Based on the concepts of the fuzzy weighted distance and membership degree, considering the collaborative relationship in different phase, put forward the concept of thermodynamic power allotment wreath...

In this paper, an organic Rankine cycle driven vapor compression refrigeration (ORC-VCR) system for heavy-duty trucks’ cab and sleeper air conditioning using the waste heat in engine coolant is analyzed. R245fa and R134a are, respectively, selected as working fluids for the power and cooling cycles....

Balance beam is the key component of the suspension of self-handling trailer. It is the walking balance mechanism of self-handling trailer and a part of the trailer to realize self-handling (the rear dump).Its reliability determines the reliability of the running and loading and unloading function of...

Instances expansion of micro-service consumes time for constructing new instances, it can’t satisfy the requirement of low latency service, such as scientific calculation workflows. In order to reduces the instance expansion time, an instance expansion algorithm for micro-service with prediction is proposed...

A mathematical model of a carriage is presented, describing movement taking into account the geometric non-linearity of displacements and deformations in terms of the body, carriage frames, bolsters and wheel sets. In the design scheme, symmetric linear dimensions can be taken unequal, which allows evaluating...

The paper presents the most optimum concentration of crushing dust of concrete scrap (CDCS) ground in the laboratory spherical mill to a specific surface of 4000 cm2/g for further replacement of a part of cement. High strength parameters are achieved at partial replacement of cement with various concentrations...

This paper systematically analyzed the imbalance between economic development and ecological environmental protection in provinces of China. A coordination degree evaluation method based on comprehensive economic index and comprehensive environmental index has been established and used to assess the...

Through sorting and researching the visual characteristic, design characteristic and culture characteristic of waste fabric, combining with the analysis of designers and brand product cases, this article puts forward the material attribute for sustainable use of waste fabric and its creative possibilities...

Through sampling and analyzing seawater and sediment in typical port, the concentration distribution of petroleum hydrocarbon was obtained. According to the sampling data, the concentration rang of petroleum hydrocarbons is 0.009-0.065 mg/L in seawater. The concentration rang is 33.97-297.7 ten to the...

To avoid 2-D search, a two-stage algorithm for passively estimating the azimuth and range of a near-field source using an acoustic vector sensor is proposed. This algorithm utilizes two particle velocity channels to estimate the azimuth, and then combines the pressure channel to estimate the range. The...

In recent years, food safety has attracted great attention. Some lawbreakers use β-Agonists to increase the lean meat rate of livestock, and human intake of a certain amount of β-Agonists can cause damage to the nervous system. After being ingested by livestock, β-Agonists is distributed to tissues throughout...

With the rapid development of artificial intelligence technology, intelligent indoor space design has become a new hot spot in the design field. Based on the perspective of AI technology, this article explores how intelligent indoor space design can better meet user needs. Through the collection and...

This study aims to develop a system to classify the X-ray image based on the Convolution Neural Network (CNN) algorithm. The system is integrated with a Graphical User Interface (GUI) to make it easy to use. The algorithm of the classification process consists of 3 stages. The preprocessing stage to...

In Indonesia, there are various sources of electricity generation, including steam power plants (PLTU), as a provider of electricity, the PLTU is expected to always work continuously so that consumers’ electricity needs can be fulfilled, power plants that always work continuously require regular maintenance...

Metal inert-gas welding of 7005 aluminum alloy profiles was conducted using ER5356 filler wire. The mechanical properties and microstructures of the welding joint were investigated by OM, SEM, micro-hardness test and tensile test. The results show that the tensile strength, yield strength, and elongation...

According to the characteristics of the diving sports, a video analysis system is developed for diving sports in the paper. This system is mainly used in assisting coach to instruct athletes more effectively, and it can help the judgers give the correct judgments. Three components are composed in the...

From the reed surficial biofilm isolated a strain of algicidal bacteria B2 have significant algicidal effect of Microcystis aeruginosa. By means of microscope and scanning electron microscope and monitoring the change of pH in the medium of B2, we found that the dissolved algae bacteria B2 was dissolved...

In this paper, it proposes a solution to the problems in the current language teaching in China by using intelligent identification technology, so as to design a set of language teaching system based on intelligent identification technology. Through test, it proves that this shows system can improve...

With the development of intelligent terminal and Mobile Internet technology, Mobile payment has become one of the important means of commerce. However, security problems are still challenging mobile payment. Identity authentication is the basic security issue in mobile payment. In this paper, a mobile...

With the rapid development of mobile Internet cloud computing and big data, the data storage requirements, such as pictures, videos, etc., increase dramatically. At present, the existing storage methods can not meet the needs of system storage, and NoSQL distributed big data storage technology because...

In this study, the effect of the milling time on microstructure of Cu-0.5 wt.% Cr-1 wt.% Al2O3was investigated. The lattice parameter was evaluated by the X-ray diffraction technique. The microstructure was characterized by scanning electron microscopy. Also, size and distribution of Cr and Al2O3 were...

Oxygen and nitrogen molecules in liquid air may segregate in gradient magnetic field, which has potential applications in medicine, industry and other fields. According to the segregation behavior of magnetic nanoparticles in gradient magnetic field, magnetic drug carrier particles can be directionally...

The machine output power smoothing has an important significance to improve the efficiency and quality of machining. With the secondary development of cutting geometry simulation software, we have got the geometry cutting parameters, carried out a physical simulation of the whole cutting processing and...

Data in everyday life everywhere, and people's lives. With the development of information society, the needs of various industries for analysis of data are also growing. However, the current domestic data analysis industry started late, small-scale, without a complete system and improve service delivery...

The need of antenna design and the basic principle of phased-array antenna are analysised. Then the rectangular-grid-plane phased array with circular boundary design of antenna which is shared by seeker and fuze is put forward. By choosing the parameters and number of elements, the antenna adaptively...

The design of a eight DOF vibration damping base mechanism and use Creo5.0 with complete assembly process of the base; the structure of the base in the application of the damping spring rod a handicapping combined with tooth tooth fracture energy absorption principle. According to principle of Darren...

Using a single screw extruder for extruding pure UHMWPE, one of the necessary conditions is to generate large enough extrusion pressure [4]. This article launches a comprehensive and detailed study of raw material of the pure UHMWPE resin powder, establishes a mathematical model of extrusion molding...

Vertical cylindrical furnace is the key equipment and the main structural unit in petroleum industry, so it is very significant to analyze and evaluate the operational status of vertical cylindrical furnace. In this paper, a vertical cylindrical furnace in Shengli Oilfield was taken as the research object,...

This paper investigates the potential benefits of deep retrofit scenarios on the energy consumption of houses in Waterloo Region. The building envelop is the primary focus, especially upgrading wall, attic, and foundation insulation. The sample houses are divided into six categories based on their construction...

Heterogeneous chemical reaction on the surface of the atmospheric fine particulate matters not only involves the chemical and physical properties of fine particulate matters itself,but also with the concentration of trace gases in the atmosphere and environment are closely related.To study the reaction...

Based on the research of crashworthiness of advanced composites, PAM-Crash simulation software was utilized to predict the crash behavior of thermoset matrix and thermoplastic matrix. The simulation results demonstrated that the thermoset matrix and thermoplastic matrix showed an ideal fragment collapse...

In the traditional power flow analysis, the output of generator is controllable and certain. While due to the intermittence and randomness of new energy resources, the output of new energy generator is uncertain, traditional power flow calculation cannot deal with this kind of uncertain power flow problem,...

Under the background of rapid development of real estate market in China,decorative art in architecture becomes more important, and more and more buyers pay more attention to the room style and decorative art design, so how to make the interior decoration design of inheritance and innovation become important...

In this work, in order to solve the problem of longitudinal water resistance for XLPE power cable, nine kinds of corrugated aluminium sheath with different embossing depths and pitchs were pressed by argon arc welding machine. Each sheath was cut into six equal parts to study lateral pressure. After...

Power industry as the main source of CO2 emissions, is facing tremendous challenge of CO2 emission reduction during the periods of “12th Five-year” and “13th Five-year”. How to maximize the reduction of power CO2 emissions under the premise of regional economic development and energy requirements is...

So far the use of anco often uses materials as a frame. Bamboo is one of the results of non-timber agriculture in the type of grass plants that have basic characteristics not much different from wood. The use of bamboo laminate as an anco / fishing gear has weaknesses in the period of material durability....

A new conductive polymer nanofiber was prepared by electrospinning of the polymer solution and in situ synthesis. The electrospun polystyrene (PS) fibers were employed as template for the in situ surface polymerization of poly 3, 4-ethylenedioxythiophene (PEDOT). Electrospun nanofibers were utilized as...

The driver's fatigue driving accounts for lots of traffic accidents. Through the study of the driver's behavior characteristics,we collect the steering wheel angle, angular velocity in real time, grip force and pluse through indoor simulation experiments.After calculation, we can get these parameters...

By the end of December 2017, China's high-speed railway (HSR) has a total mileage of 25 thousand km. However, providing reliable and stable wireless broadband access service for HSR passengers has been a major challenge in the communications industry. This paper proposes a HSR wireless broadband access...

Developed SmartEnergyCoating can be used as a thermal insulation coating. This is able to compensate and equalize thermal loads of structural elements of constructions. The effect is achieved due to the heat-compensating elements with the phase-transition material. In addition to thermal protection properties,...

Based on the development of full text retrieval function of administrative office system of Shanghai Entry-Exit Inspection and Quarantine Bureau, this paper comprehensive introduces the Chinese segmentation technology used in full-text retrieval. The three mentioned methods, which are segmentation method...

Due to the rise of distributed generation, it is very important to consider the impact of distributed generation in distribution network reconfiguration. To solve the problem, this paper uses the double perturbation mutation particle swarm optimization algorithm, which is to introduce the Gauss white...

It's necessary to acquire semantic knowledge in Natural Language Processing research. In this paper, we present an approach for acquiring Chinese semantic knowledge based on maximum entropy model. Semantic knowledge units are composed of central word and a group of feature words. Because the maximum...

The cemented carbide coating micro groove turning tool and original turning tool are arranged to cut the same oil country tubular goods (OCTG) 40CrMnMo. By the combination of cutting experiment theoretical analysis, this paper focuses on the radial distribution of residual stress of machined surfaces...

This paper introduces the concept of genes to the design of the product, put forward and set up product genetic model, aimed at apply the principle of gene expression to implement the product intelligent design, and strengthen the autonomy of product design, reduce artificial participation and related...

Spam is a major problem of the Internet, because it can cause pollution and waste of resources in the network environment. Therefore,spam filtering is necessary. After spam filtering methods study, presents a support vector machine and artificial immune system combines filtration methods and filtration...

We study the adsorption integrated effects of CO with different coverage (1/20, 1/10, 3/20, 1/5) on doped-Al-SiC(001) surface by using the generalized gradient approximation (GGA) based on density functional theory (DFT). The PDOS data reveal that p-electrons of Al increase the interfacial activities...

In view of the characteristics of large amount of biological sequences data, fast growth rate and high sequences repeatability, a set of DNA sequences storage schemes based on HBase is proposed and implemented in combination with the related theory and technology of HBase distributed database. The pre-splitting...

Radioactive particles usually have a positive charge, while the surface of activated carbon has a negative charge, the activated carbon has an adsorption effect on the radioactive particles. The radioactive particles are adsorbed in the pores and surface of the activated carbon, and will be removed from...

In communication system, for the different application, it's need antenna provide different pattern, such as cosecant squared pattern, The antenna with cosecant square pattern can rapidly find object, and cover the larger effective region, so the antenna which have cosecant squared pattern is widely...

The ferromagnetic resonance overvoltage of power system often occurs for a long time, which seriously endangers the safe operation of electrical equipment and power grid. The feature extraction and recognition of ferromagnetic resonance overvoltage is helpful for taking targeted measures to restrain...

The physical mechanical indexes should be obtained before the strengthening treatment on the reclaimed soft clay. The correlation is existed among the physical mechanical indexes of clay. This paper reveals the index correlation of clay in the Xu Wei Lianyungang port based on amount of lab test results....

Digital watermarking technology is one of the main means to realize the copyright protection and authentication of digital works in the information age, and many excellent watermarking algorithms have been proposed to achieve different performances in different application. But, attackers also can make...

Under the different axial compression ratios,testing the two intermediate nodes low cycle loading of the all-lightweight aggregate concrete frame beam-column node.Research the aseismatic performance of all-lightweight aggregate concrete frame beam-column node.Analyse the rebar strains of beam-end and...

According to the characteristics of electronic evidence,the storage mechanisms of Android phone and specific operational problems encountered in forensic work are summarized,this article presents a relatively standardized evidence-based policy Android phones, hoping to improve the Android mobile phone...

At present, Web technology has fully applied in all walks of life. As a revolutionary development of technology, it will bring immeasurable influence if it is applied to construction project team. Therefore, the use of Web technology for the construction project team knowledge service is imperative....

There are inextricably linked between financial strategy and asset-light business model. The profit model of the asset-light was driven by financial strategy, and the corporate operating model will need to match the financial strategy. First, asset light theory, asset light operating profit and asset-light...

Hydrocarbon source rock is the foundation of oil and gas exploration research. At present, geochemical methods are still the mainly used for hydrocarbon source rock studies, which is hard to obtain a continuous data on a single well owing to the limited samples and experimental fees. Logging information...

The environment deformation caused by the excavation of a foundation pit is numerical analyzed using the hardening soil model. The simulation results show that the deformations of supporting structures of this foundation pit and the surrounding environment can meet the requirements of deformation control....

A new framework for modeling human body according to the specified measurement dimensions is presented. Users are assisted in automatically generating a virtual model through modifying the standard one by controlling the parameters provided. Our approach consists of four major parts. First, 3D scanner...

Two types of unvegetated vertical flow constructed wetlands (UVFCWs) with zeolite and volcanic rock as composite substrates were constructed and the treatment performance for nutrient removal from modeling effluent of secondary treatment process was evaluated. The concentration of COD, NH4+-N, NO3--N,...

The robot's eyes through the background difference method were used to find broke into the visual range of a moving object and track and monitor the moving object. On the basis of geometry and according to the distance and deflection angle of the robot eyes positioning, the objects were captured and...

Over the past few years, people demands human-computer interaction system with more intelligent function, such as gesture recognition and motion recognition. This paper acquires color and depth information from Kinect sensor in order to capture hand motion and interact with the computer game. By using...

With advantages of no mechanical contact, vacuum compatibility, oil-free, and high reliability, an eddy current damper (ECD) is designed for use in space. To obtain perfect damping characteristics, a conductor as an outer copper tube and two stationary plates, and an array of axially magnetized ring-shaped...

Pipeline transportation plays an important role in the resources deployment and economic development of our country. Its dimensional repair technique is an important guarantee to ensure the safety and reduce the loss. Tapping machine draws a lot of attention as the key equipment. According to project...

The frame structure of reinforced concrete is a kind of structural form with good seismic performance. But the strong earthquake damage show that the RC frame structure under the large earthquakes will also be seriously collapsed and destroyed. In the case of strong earthquake, the RC frame structure...

Dynamic consolidation of virtual machines (VMs) is an effective way to improve the utilization of resources and energy efficiency in grid computing. We propose a novel load balancing approach that combines the Group Method of Data Handling (GMDH) based on Geneticalgorithmfor host overload prediction...

As an important part of the power system, the running state of HV overhead transmission lines has direct influence on the security and reliability of power system. So it is important to develop an on-line monitoring system of HV overhead transmission lines. In this paper, a micro controller and wireless...

There are thousands of truck modelsin the market. It is necessary to study the distribution characteristics of motor power since the rated power mismatch is a very serious problem currently.The truck models of maximum total mas range from 5 tons to 7 tons have been analyzed. Construct statistics for...