Advances in Engineering Research

Danjiangkou Reservoir, as the water source of China's South-to-North Water Diversion Project, should be emphasized for its water quality, and the sediment, as an important source and sink of nitrogen and phosphorus in the reservoir, is of great significance in the biogeochemical cycle. In this paper,...

With the communication delays in the communication topology, the synchronization motion of multiple marine vessels is discussed. A novel synchronization control method that is based on distributed control strategy and graph theory is presented. The synchronization error and the trajectory tracking error...

As the world urbanizing rapidly, the task of achieving smart growth in cities is becoming even more important. In this paper, we will propose a "Smart Growth Coefficient"(SGC) and analyze it by Multi-level Fuzzy Evaluation System. We first define SGC to measure the extent to which the growth plan of...

Nowadays heat-sealing biaxial oriented polypropylene (BOPP) films are widely used as packages because of its size-stability and nontoxicity. However, the heat sealing strength is relatively low, which makes BOPP films not satisfy the increasing performance as the modern packagings. Therefore, an effective...

as one kind of airport, highway runway must be tested and assessed on scene before enable. Aimed at the situation of our country is short of performance index test regulations and methods, this research discussed the test characteristics and demands through several side like vehicle drive, traffic security,...

Cipher chips, such as microprocessors, are playing the important role in most cryptosystems, and protecting the data which is important. But since Side Channel Analysis is put forward, the security of cipher chip was met a severe challenge. Correlation photonic emission attacks (CPEA) is a new kind of...

This article clarifies the possibilities and advantages of deep learning which LC support to be realized, from the concept and connotation of the information commons, deep study, and propose the design principles and design models of LC promoting deep learning, specifically describes the point which...

The Fe doped TiO2 (FET) gels were synthesized by different ferric salts and analyzed by thermal gravimetric analyzer and X-ray diffraction. The TG curves show that the valence states of Fe had a great influence on the preparation of FET gels, Fe3+ was easy to replace titanium atoms to form lattice and...

The Zn₁₋ₓMnₓO(x = 0.05, 0.1, 0.15) diluted magnetic semiconductor powders were repared by hydrothermal synthesis at 220 heated for 24 h using NaOH of 3 mol/L and 5 mol/L as the mineralization agent. It is shown that there had a direct relationship between mineralizer concentration and hydrothermal synthesis,...

Using Finite-element Method to simulate prototype piles and then drawing the Load-settlement curves in order to calibrate the analysis software. When the simulation was consistent with the measured piles, taking it as the benchmark and then eight parameters were varied respectively so that the impacts...

This paper researches on the propagation characteristics of partial discharge in internal GIS. Through the external UHF sensor to receive the electromagnetic wave signals emitted from the surface of the insulator metal pouring hole flange and using the finite difference time domain method, by means of...

The extruding of coal and gas is related to the geologic structure, which controls the storage of gas and shows the damage extent of coal seam and width distribution, as well as the distribution of coal and gas extruding. Based on lots of information about gas area and gas parameters, starting from the...

This paper reviews the status and progress of biological denitrification and phosphorus removal. The mechanism of denitrification and phosphorus removal is analyzed briefly, and the characteristic of some denitrification and phosphorus removal process is also compared. The new process and new technology...

Conventional GPR reflection surveys in base metal sulphide mines are sometimes marred by scattering due to heterogeneity or presence of disseminated sulphide minerals. Surface scanning in such areas have its own limitations as the depth of investigation is adversely influenced by the highly lossy medium....

In recent years, due to distinct advantages of CMOS, the research emphasis is on use of CMOS technology rather than bipolar or BiCMOS at Radio Frequency applications. One such example is Transconductance Amplifiers used in various Global Positioning System (GPS) applications. This paper describes a CMOS...

Silica gel was modified with N-[3-(Trimethoxysilyl)propyl]ethylenediamine, following grafted with ethylenediaminetetraacetic acid (EDTA). The functionalized silica gel was used to readily absorb Co(II) ion from aqueous solution forming SG-Co, via the coordination of EDTA group on the surface of silica...

This study investigated grass brick, pervious concrete and permeable brick and other different types of permeable pavement by indoor simulation (low impact development technology, LID) cut path flow, network delay arrival time and reduce the peak flow of network peak flow effect; at the same time is...

Using KN-16 as original strains, adopting compound mutagenic of ultraviolet irradiation, 60Coγ-ray irradiation, protoplast ultraviolet irradiation, measuring the content of Jinggang-mycin A by gas chromatography. The mutagenesis condition was determined by lethality testing, flask fermentation, resistance...

The crossed cube is a variation of the hypercube. In this paper, we supply the topological property of the two network structures, and compare the all-terminal reliability and node-connected reliability of them. It is obtained that the crossed cube is superior to the hypercube in the lower bound of two...

With the development of the electric power enterprise, the security of information and communication has been pay more attention than before. In recent years, the information security event aiming at the electric system has occur frequently. The infiltration technology and attack methods has been diversification...

Pile foundation is often used in the construction of communication tower in the karst region. Stability of pile foundation to support roof is related safety of the superstructure equipment. No deep special study on stability of pile foundation in karst region has been reported yet. Reliability of evaluation...

This study was an effort to obtain high yield of quercetin extraction from kenikir leaves employing several extraction methods, which were maceration, percolation, soxhlet, and reflux, using methanol as solvent followed by quercetin incorporation into a Nanoemulsion system with Rice bran oil (RBO) as...

Formaldehyde (FA) in food is a hot research topic, it widely exists in many organisms, such as marine products, meat and plant material. As a serious threat to human health, FA of manmade addition in food was forbidden in China. This paper summarized the advance in detection FA in food, and the work...

The laminated structure of the Ti/C composite materials with sheet of Ti and C as raw materials was prepared by spark plasma sintering (SPS) technology. The effects of sintering pressure on the interface characteristics and mechanical properties of interfacial reaction were studied. The results show...

Measurements of gas holdup and velocity are required in gas/liquid two-phase flow. Using electrical resistance tomography (ERT) technique, the cross-sectional image can be obtained, and hence the gas holdup is estimated. Combining ERT with the cross correlation flow measurement technique, the velocity...

Celestial navigation is a completely autonomous navigation method, but the measure based on star sensor and infrared horizon sensor has a low precision. Especially its direction to the earth measured by infrared sensor leads to great deviation. Aimed by this consideration, we propose a vision-based method...

A method of eddy-current defectoscopy of graphite electrodes is considered in the article. Imitation modeling of electromagnetic processes was performed, and a device based on a microcontroller for monitoring the integrity of the graphite electrodes was developed. The device has electrotechnical characteristics...

The degradation and flocculation of tetracycline (TC) with nanoscale zerovalent iron (NZVI) modified by starch were investigated using batch experiments as a function of reactant concentration, pH, and ion strength. The 500 mg/L TC was processed with 0.20 mg/L NZVI, the adsorption and degradation effect...

Early Renaissance man regained the independence of individual personality, but by the fear of God into the evolution away from God, from the backwash toward the loss. Late Renaissance reflection and adjustments is comforting one, rational constraints original desire, divinity give directions to humanity,...

Renqiu buried hill reservoir of electric submersible pump well in order to reduce the sewage invalid recycling and saving energy, using the electric submersible pump(ESP) well convert into pumping unit well to produce. The scheme design lifting process adjustment and optimization of 13 wells. Through...

Mainstream hospital construction has been based on copying western experience, after the reform and opening in China. Because of the soft environment of different national conditions and medical society, there are a lot of problems emerge from the construction of hospital widely. The development of hospital...

Make the slew bearing for object of study which use of petroleum machinery.According to the requirements of customers, design the basic structure of slew bearing, Set up 3D-model of the slew bearing in the Solidworks.Through the appropriate simplification of the model, the slew bearing are properly loaded...

With the advent of computer network, network security has been the core of information technology. We put forward a new concept after cloud calculating, that is, cloud security. Up to now, network security and cloud security have no difference essentially. In this paper, the advantages of cloud security...

Base on the meteorological data and the monitoring data (28/10/2013 ~ 16/5/ 2014) of the main atmospheric pollutants, PM2.5, PM10, CO, NO2 and SO2 of Chengdu, the comparative analysis of the relationship between the pollutant concentrations and meteorological conditions of Chengdu were carried out. The...

In mine production, the prevention and control of toxic and harmful gases after blasting is very important. Extraction is an effective method to reduce toxic and harmful gases. Efficient extraction depends on the accurate grasp of the gas distribution position. In order to grasp the distribution law...

Fast Ferry Ship is a ship used to carry passengers who will cross between islands. This ship prioritises passenger comfort and safety. Planning the supporting parts of the ship must refer to and comply with applicable regulations and classification standards. One of the important parts that must be present...

The rapid advancement of information technology has significantly transformed business marketing strategies. One such strategy is the use of online platforms to enhance marketing reach and increase revenue. This research focuses on the implementation of R-Mart Online, an e-commerce platform aimed at...

This paper discusses the research progress in the field of deep foundation pit monitoring and early warning in China. This paper uses CiteSpace software to analyze the literature data of CNKI, and reveals the research context, hot spots and frontier trends in the field of foundation pit monitoring and...

Paper waste poses a significant environmental challenge due to its slow decomposition rate. While paper waste can have adverse environmental effects, recycling offers a viable solution by repurposing paper into new products. To address the issue of paper waste effectively, it is essential to focus on...

We have studied a dynamic analysis of the prey-predator model that describes the interaction between pests and predators as natural enemies. The model is considering a Modified Leslie-Gower prey-predator model with the nature of fear of the growth of pests and additional food to predator. The predation...

With the extensive use of modern power electronic devices and non-linear devices, the problem of pollution of power quality is getting worse. The improvement of power quality assurance has become an important issue faced by the electricity sector. It is for this reason that power quality monitoring and...

Agricultural drainage is accounting for the largest to China's River Basin water pollution and agricultural non-point source pollution. The ecological function of drainage ditches is important for reducing the pollution. Through effective interception and conversion to preventing and controlling agricultural...

Firstly, the metro passenger satisfaction evaluation index system was established based on the real process of a single passenger, such as arriving, security checking, buying tickets and transiting. Secondly, the passenger travel satisfaction evaluation questionnaire was designed to conduct investigations...

The large eddy simulation (LES) has not been adequately developed in the entropic lattice Boltzmann method (ELBM) framework. In particular, analysis of high Reynolds number turbulence simulations using ELBM-LES remains to be done. A standard Smagorinsky subgrid scale model in large eddy simulation based...

This paper analyzes the new situation faced by the renewable energy development and new trend in xinjiang, expounds the renewable energy in the position and role of the future energy system, put forward the development strategy for the future of renewable energy targets and requirements. At the same...

The shortage of foundation bearing capacity would pose damage to miniature structures on highway, threatening the security of highway. Layered foundations are widely distributed in Northern Anhui, the traditional methods of computing the bearing capacity and additional stress disagree with the situation...

Recently, a major part of the newly installed wind turbines are of the variable-speed type using permanent-magnet synchronous generators (PMSGs), which are required to meet grid interconnection codes for fault ride-through (FRT), so as to actively contribute to system stability during a wide range of...

The zinc coatings on Q235 steel substrate were prepared by pack cementation at 400 °C for different holding time. The microstructure, thickness and hardness of the coatings were investigated. The thickness and hardness of the coating increased gradually with increasing heating time. The coating was composed...

The battlefield environment, external vibration load condition is complex, in the process of vehicle and shooting, random vibration and impact load can lead to car sight structure stress and strain of the primary mirror, will affect the performance of the vehicle sights. Aimed to study the vibration...

For the problems of our country's environment monitoring system, an environment monitoring system based on GPRS and ARM techniques is designed in this paper. The monitor uses LPC2220 as its control core which is an ARM7 microcontroller, sensors collect data of SO2, temperature and humidity, and then...

Recently, the attentional seq2seq model had made a remarkable progress on the abstractive summarization. But most of these models do not considers the relation between original sentences, which is the important feature in extractive method. In this work, we proposed a Hierarchical Neural model to address...

Nuclear industry production would produce large amounts of nuclear waste.How to safely dispose of the nuclear waste especially high level radioactive waste (HLW) became increasingly serious problem at present. This article turned out that compaction energy was an important factor of the impact compaction...

With the development of enterprise information technology, enterprise's demands for the real-time of information and data are increasing. Along with the continuous improvement of Internet and mobile terminal technology, this paper proposes a concept called ERP-based Mobile Business Intelligence (MBI)...

The quality characteristics of surface roughness and MRR of the end mill process have been considered to be optimized simultaneously. The input parameters that are considered are cutting fluid. cutting speed. feeding speed. and depth of cut. Optimization is carried out using the experimental design of...

This paper reports existing studies on the influence of the number of blades on vertical axis wind turbine (VAWT) performance. Wind turbine blade is an important element in the conversion of wind energy to electrical energy, because of their ability to convert wind kinetic energy, even at low wind speeds....

An increasing number of researchers have begun to use depth sensors in their studies due to the drop in sensor prices in recent years. In computer vision, depth provides a wider range of useful information. In sports, baseball and softball pitchers are typically unable to self-evaluate their throw quality...

With PhoneGap method, developers can use Web technical which correspond to the W3C standard developing native mobile application. According to call the API of PhoneGap, Web applications can communicate with the SDK API of the mobile platform which using by the developers, and then, they can use the native...

By analyzing of typical op-amp differentiator circuit considered the op-amp amplitude-frequency characteristic, we give out a design of sine-wave oscillator based on an improved op-amp differentiator. This oscillator is not only the output sine wave harmonic distortion very low, but also easy to design...

Fractured-vuggy carbonate reservoirs have various types of units, and making full use of the well test data to study reservoir characteristics is quit important to enhance oil production. However, conventional analytical well test model cannot consider the positional relationship of well and fractured-vuggy...

Bi2Te3 thin films grown the substrate with 80 nm in diameter have been prepared by using magnetron sputtering technique. The structure of thin films was determined by X-ray diffraction experiments. The average grain size and particle size in these powers were measured by the line profile analysis method...

In view of the characters that specimens of the integrated transmission are not sufficient, the failure modes are various and available data are not enough, this paper proposes a method utilizing experts’ experiences, similar products and typical design parameters to predict reliability. First, analyze...

Northern Sea Route is known as a new route with complex navigation environment. It will greatly shorten the distance between the Far East and Europe. This article systematically analyzes the sailing conditions of Northern Sea Route and the main factors that influence the navigation environment. An evaluation...

This article focuses on the subject of iron ore. Though analyzing the relationship between iron ore consumption and economic development about China and American, it is found that the per capita consumption of iron ore in China was too early, which is not conducive to economic development. Through elaborating...

Quadratic stability is an important performance for control systems. In this paper, the model of Buck Converter in DCM is built based on the theories of hybrid systems (HS) and switched linear systems (SLS) primarily. Then quadratic stability of SLS and two switching rules based on state feedback and...

Books are the carrier of human civilization with the help of words, symbols and graphics to record the human thoughts and emotions which telling the historical development process of human civilization. As an important part of books, book binding plays a very important role and has the independent aesthetic...

Longitudinal vibrations of vertical bar of harmonic and random disturbance are considered. Mathematical models of free, forced harmonic and random vibrations are described. The methods of d'Alembert, separation of variables and finite differences are used. To determine the eigenvalues of boundary value...

To study the function and effects of L-cysteine on the separation analysis of inorganic divalent mercury [Hg(II)], methylmercury (MeHg) and ethylmercury (EtHg), the separation, transformation and signal intensity of mercury speciation were investigated with liquid chromatography coupled on-line cold...

We present a multichain slip-spring model with fluctuating number of entanglements for dynamics of dense polymer melts, which is based on the single chain slip-spring model by Likhtman. By introducing the exclude volume interactions, a multichain version of slip-spring model can be presented with little...

The products of intelligent design are rapidly growing in popularity around the world and are having increasing impact on humans' life styles. The application of intelligent materials, the basis of intelligent products in intelligent product design, is a current research hot spot. This paper, based on...

Coal is an important pillar of energy security and sustainable economic development in India. India is rich in coal resources, the rapid growth of coal demand was led with the rapid development of its economy in recent years. On the basis of systematic analysis of characteristics of coal resources, development...

Parts of assembly are mainly fixed and connected by bolts. The performance of the assembly can be affected by the dynamic characteristics of the bolted joints. Report focuses on designing a test bench by parameter analysis and achieving the dynamic analysis of the bolted joint. In the first part, the...

In the turning process, the force is a constraint factor that must be considered because a large cutting force will generally result in a high surface roughness value. Therefore, selecting suitable parameters for the turning process is necessary to minimize surface roughness (SR), cutting force (Fc),...

With the continuous enhancement of people's awareness of environmental protection and the plight of China's lack of oil, the development of electric vehicles has become a goal in China today. At present, one of the main obstacles restricting the development of electric vehicles is the lack...

BIM technology and prefabricated technology have evolved from ideal concepts to common application technologies, bringing many opportunities and challenges to the construction industry in general, and smart buildings in particular. According to the BIM model, through software technical means, to meet...

Mount Merapi is one of the most active volcanoes in the world and produces large sediments when it erupts. The Progo River is included in the Mount Merapi area, so this river will be affected by material from the eruption and has the potential to significantly change the morphology of the Progo River....

The photo-electrical properties of few-layer WS2 nanoflakes, fabricated by mechanical exfoliation, were systematically studied in this paper. The few-layer WS2 FETs are n-type and possess a high gate modulation (On/Off ratio is larger than 104) and a relatively high carrier mobility ( ). The photo-electrical...

Currently,there are some limitations of twxisting ways of obtaining the key parameter of quad-rotor aircrafts—mechanism analysis method and experimental method,that the first one is not adapt to varied environment and need a large amount of computation,the second one especially refers to wind tunnel...

Objectives: To prepare curcumin tablets, and evaluate their in vitro dissolution. Methods: Curcumin was dissolved in acetone, wet-granulation and tableting. The amount of Poloxamer 188 and Gremophor RH40 were chosen as factors, and the in vitro dissolution at 120 min was used as evaluation index. The...

In order to study the dispersion effect of chopped carbon fibers in fluid medium, an experiment was designed to disperse carbon fibers by explosion in the air while another was by ultrasonic waves in mixed solvent of ethanol and acetone. A characterizing method has been set up based on the number of...

In order to investigate the the mathematical model considering the skewness-parameter, which covers the shortage of long-span bridge in sensitive parameter analyzing. Random variable along with its statistic probability model is taken. The application of influence coefficient helps to build up a determining...

As a new type of energy, coal-bed gas plays an important role in the national resource structure. This paper introduce the principle and process of gas recovery of single coal-bed methane well, according to the analysis of faults occurred in the system of gas recovery of single coal-bed methane well,...

Aimed at that there are large numbers of users visiting high-level athletes’ management system, the control model of traditional access can’t fully meet the weaknesses of these requirements, proposing the idea of multi-rights management based on ARBAC02 model and establishing a new rights management...

In this paper, the new requirements for urban-rural planning management proposed in the Third Plenary Session of Eighteen have been discussed. It is advised that it is necessary to focus on the public interest, strengthen the supervision, improve the administrative transparency, improve the government...

A simple method to fabricate pyroelectric sensors array using standard semiconductor process on Silicon substrate was investigated. 600 nm porous SiO2 film was prepared by spin coating, working as ultra-thin thermal insulator. Good insulation property was achieved owing to its extremely low thermal conductance....

The ecological environment problems in open pit mining and the present situation of coal mining are analyzed. The traditional open pit mining aims at pursuing economic interests, which leads to serious ecological environment problems. Open pit mining will cause the comprehensive destruction of the solid...

Reinforced earth retaining wall is a kind of retaining wall which can bear lateral pressure of soil, which is made up of fill, stressed geosynthetics and retaining blocks. It can enhance the strength and stability of soil with the interaction between the reinforced material and the soil by arranging...

Companies operating in geographically dispersed locations require a management control system that allows global access to information, related the performance of different units, allowing all level of management to follow up and intervene when is necessary. Expansion of business to isolated areas with...

The morphology and dynamic mechanical properties of epoxy modified asphalt(EMB) were studied using dynamic mechanical analyzer (DMA) and fluorescent microscopy (FM). DMA results showed that dynamic modulus and storage modulus reached a maximum value when 5 wt % epoxy resins were added. However, the dynamic...

The article substantiates the importance of environmental safety and labor protection in industrial enterprises; special attention is paid to the content of fine dust. The problems of trapping fine dust particles in a centrifugal field with the help of vortex dust collectors of CSF are considered. To...

The toll station, served as the bond to highways, has always been the bottleneck to the capacity of the highway. Based on probability distributions and queuing theory, the thesis builds the quantitative model of capacity and calculates two evaluation indicators to analyze the drawbacks of the traditional...

We have fabricated two blue light-emitting diodes (LEDs) samples with p-type electron-blocking Layer and n-type hole-blocking Layer for the modulation speed measurement. The experimental results show HBL can improve the modulation speed better for blue LED. The energy bands and recombination rates of...

As the foundation of intelligent electric grid safe and stable operation, information security involves every node of electric information systems which are difficult to manage and have a large number of users. It is important that how to promote the level of information security internal control. This...

Coil misalignment often takes place in wireless power transfer (WPT) systems. It may result in decrease of transfer efficiency and system instability. In this paper the mutual inductance model and the circuit equation of Magnetic Coupling Resonant WPT (MCRWPT) are established firstly. And the influence...

This paper proposes a new simple tree with a fixed stent makes the transplant more safe and beautiful trees. The paper in order to put forward a new type of garbage can., mainly due to the improper waste disposal and litter bins filled leak, causing environmental pollution and cigarette butts caused...

Using the independent -cultivated molecular biology method, By Next-generation DNA sequencing techniques , Gene sequences of microbial groups for water samples collected from River-lake ecotone of Poyang Lake. water samples were collected form River-lake ecotone of Poyang Lake to determine gene sequences...

In this paper, taking the Dai-nationality dwellings of different materials in JingHong in Xishuaibanna as a research object, field tests for the thermophysical properties of wall materials in the sunmmer were carried out, that have tested the temperature of wall-surface and indoor temperature, and contrast...

Electrical capacitance tomography (ECT) is a technique developed in recent 30 years, which aims to measure multi-phase flow. The image reconstruction for ECT is an inverse problem to find the permittivity distribution in a pipe. The normalized capacitance measurements are needed during the process of...

A higher precision reconstruction method for MTF, not constrained by the slant edge angle, is proposed. The improved method adopts new techniques of gradient operator and moving window in ESP sample refinement to gain more accurate and robust MTF estimated results. Experiments show that the new method...

PP/MMWPE/EPDM monofilament was prepared by blending modify and its physical performance and the cost was studied. The results showed that the breaking strength of PP/MMWPE/EPDM monofilament was 16.8% higher than that of PE monofilament while its knot strength loss rate is 3.8% higher than that of PE...

Charging and discharging control of centralized charging station becomes more important in power system operation. In order to achieve a load shifting and wind power stabilizing, this paper presents a two-stage optimal scheduling model for centralized charging stations based on the considerations of...