Advances in Engineering Research

Graphene sheets and nickel powder were dispersed into Polyvinyl Alcohol (PVA) solution by magnetic stirring, and then pre-coating the mixed solution on the polished AISI4140 substrate. And after laser sintering, graphene nickel composite coating was successfully fabricated. Microstructures and composition...

The magnetic iron oxide (Fe2O3) nanorods were synthesized, and the epoxy resin (EP) composites with the content of 1wt% Fe2O3 were prepared in the condition of magnetic field. X ray diffraction, scanning electron microscopy and comprehensive physical properties measurement system were used to characterize...

In order to address the significant weakening of mechanical properties in roadbed materials in cold regions under long-term stress-freeze-thaw coupling, this study investigates the accumulation of micro-damage and failure processes of graphite tailings roadbed materials (GSFG) during freeze-thaw cycles...

This paper will model the spread of the Covid-19 by assuming two types of viruses using the SIR model extension. Furthermore, it will also be discussed about the analysis of the fixed-point stability of the model. The fixed-point stability analysis result shows that the fixed-points are disease-free,...

This study aims to regulate the effect of perceived ease of use, perceived usefulness, and risk on user interest in using financial technology peer-to-peer lending. Peer-to-Peer Lending is a loan acceptance financial business that uses an internet-based electronic system to connect lenders and borrowers...

By means of transfer matrix method, the reflectance of Thue-Morse (T-M) structure containing indefinite metamaterials is investigated It is shown that there is an omnidirectional reflectance band (ORB), and location of the ORB remains invariant with the change of generation order. The width of the ORB...

Injection molding machine motor pump system energy consumption models were established for dosing pumps, servo motor pumps driven and other different ways, to get the comparative analysis of different ways driving injection molding machine energy consumption. The injection molding machine pump system...

Planning and management of POPS by New York City government has experienced a process from being extensive and loose to meticulous and strict, which possesses 60 years of experience hitherto. This paper reviews the historical evolution of POPS in New York City, and analyzes the impact of Zoning system...

With China's economy goes into the new normal background, the problem of abandoning new energy power is becoming increasingly prominent. It comprehensively summarizes the development process of new energy from 2004 to 2014, and summarizes the current status of new energy development in China. Based on...

The effect of aerodynamic heating is obvious for hypersonic aircrafts. Its temperature change of cabin electronic devices is obvious under this severe working condition. Therefore, for this type of aircraft, it is important to design the thermal protecting system and evaluate the impact on electrical...

Function loss of large skeletal muscle is an urgent problem in the clinic. Although the artificial microfluidic network encapsulated in thick tissue-engineered constructs has a great promise, it is still difficult to develop an efficient microfluidic design to fit the requirements of the bionic vascular...

ID3 decision tree algorithm uses information gain selection splitting attribute tend to choose the more property values, and the number of attribute values can not be used to measure the attribute importance, in view of the above problems, a new method is proposed for attribute weighting, the idea of...

For a given three-layer assembled die of cold precision forging gear, the optimum design was implemented based on the elastic solution of the thick-wall cylinder under the admissible tensile stress. A non-uniform interference fit structure was employed, and the minimum tangential tensile stress in the...

ITO (indium-tin oxide) conductive glass plates were used as a support of Titanium dioxide films. TiO2/ITO films were prepared by sol-gel and dip-coating method with cheap inorganic salt TiCl4 as a precursor. The photocatalytic activity was evaluated by the photocatalytic decomposition of acetic acid...

In the current study of chemistry, the unique properties of chemically heterogeneous surfaces in the nanoscale have attracted common attention of researchers. But how to apply this technology in actual chemical industry becomes common problem faced by researchers. This paper focuses on the advantages...

This paper examines water scarcity from both social and environmental perspectives in arrange of 6 factors. 3 social factors and 3 environmental factors are used to analyse both physical and economic water scarcity. After collecting all above factors of 176 countries or regions, a rating mechanism is...

A model that generalizes credit-card-based electronic payment systems is analyzed by BAN logic and Kailar logic. This paper extends Kailar logic to process the analysis of ciphertext. This paper provides a new method to analyze ciphertext.

A large number of facts have proved that active tea extract is beneficial to human health and can prevent certain disease, and it of course also have a certain impact on the sports ability of athletes, which is mainly because the active tea extract has a unique effect on improving physiological functions,...

The competitiveness of vocational colleges can be examined through student satisfaction towards their service quality. While a laboratory is necessary to promote active learning in vocational college, in some cases its quality does not always obtain the student’s satisfaction at an acceptable level....

In order to improve the accuracy of personalized recommendation technology, the state space of multidimensional semi markov process definition "empty state " has been extended to multidimensional markov process, combining with the social network analysis theory and social network information flow model....

In this study, a kind of polycarboxylate superplasticizer used in high performance self-compacting concrete was synthesised. The examined properties included workability, T500, compressive strength,etc. Workability of the fresh concrete was determined by using both the slump-flow test. The results showed...

The performance of fingerprint recognition relies heavily on the quality of fingerprint images. In this paper, a multiple indexes fingerprint quality assessment is proposed for poor fingerprints. This method fuses seven indexes from three kinds of typical fingerprint features (gray features, local features...

The current calculation method of the acid dew-point temperature of the flue gas is multifarious, and many formulas even exist obvious errors. In this paper, the representative method is used to calculate the acid dew-point temperature of the flue gas, and the Influence factors of the acid dew-point...

Analyze the popularization obstacles of LCC technology in the green building put forward the LCC technology modular promotion mechanism based on the percolation theory. This paper builds the permeability model of LCC technology application propose the generation rules of LCC module. Combined with the...

Abstract: In order to improve authenticity and interactive of the tractor driving simulator system, mainly adopts double polarity 555 chip design for tractor driving simulator of turn signal circuit. Then specify bipolar 555 chip unsteady work mode setting method and principle ,and gives the tractor...

Onrush of additive technologies might allow a 3D concrete printing method to become more profitable and efficient for building unique constructions than traditional methods of building. Until the XXI century, the science paid special attention to phenomena and processes at two levels: microscopic scale...

Approach presents an intelligent inspection system for transmission line based on GIS(Geographic Information System). The construction principle, system structure and function of the intelligent inspection system are introduced in detail. The basic idea of the system is to embed GIS handheld intelligent...

At present network attack technology is constantly updated,which bring network security workers huge challenges. In view of the fact that the existing intrusion detection technology is difficult to detect multi-step fragmentation attacks, distributed attacks and evading attacks,a network intrusion detection...

With constantly improvement of child education idea, the construction of the outdoor space environment for the kindergarten and the use of it are attracting more and more attention. Kindergarten work procedures which specify "children's outdoor activities of time (including outdoor sports time) shall...

In order to evaluate the risk of wind power curtailment and loss of load brought by wind power ramp event on power system, risk assessment model of wind power ramp event based on Monte Carlo method is established. According to the result of wind power prediction system, the wind power model of day-ahead...

ZnMn2O4 films with a structure of Ag/ZnMn2O4/p-Si were fabricated on p-Si substrate by magnetron sputtering. The effects of sputtering power on microstructure, resistance switching properties and endurance characteristics of ZnMn2O4 films were investigated. ZnMn2O4 films are spinel structure and the...

Aircraft aluminum alloy is easy to initiate pitting corrosion in the airport environment, and the pitting corrosion topography characteristics could directly affect the fatigue mechanical property of aluminum alloy structure. In order to obtain the pitting corrosion characteristics of 7B04 aluminum alloy...

The sensor Leap Motion can detect the information about locations and speed of hands and fingers with high accuracy in real time. It provides an effective method to the interaction between people and 3D terrain models, and based on the characteristics of the far and near field division of the working...

The charging pile is influenced by electromagnetic coupling interference factors of primary coil and secondary coil of the electric vehicle charging, resulting in excessive demand on the parking position, in order to solve this problem, a power transmission optimization control technique of electric...

The diagenesis of the Carboniferous carbonate reservoirs in the eastern margin of the Caspian Basin was studied by taking North Truva Oilfield as an example. Through analyzing the various types of diagenesis mechanisms, phases and evolution processes, combined with well logs and coring data, it was considered...

In this paper, we created a remote mobile controlled and monitored vehicle system, which is used in the self-driving and self-parking cars for the last kilometer. The system consists of three main parts: the car-mounted terminal, which is installed in the car for receiving remote orders from the mobile...

Heavy metals chemical stabilization with phosphoric acid was assessed for two kinds of fly ash in order to transform available heavy metals into insoluble metal phosphate compounds and reduce the risk to the environment. The behavior of heavy metals in the liquids and solids samples were both investigated....

According to the need to establish simulation training system of communication equipment, the paper proposes using fuzzy comprehensive evaluation method for quantitative evaluation of each alternative design program. Finally put forward the optimal design program.

Different energy systems were developed on the basis of the major equipment of distributed energy systems (DES). According to the demand of loads, energy prices, and technical and financial information about optional technologies, using non-linear programming, an optimization model for DES was established....

Coordinated development of economy and environment is the key to sustainable development.In order to ensure that limited water resources maximum limit applied to production,life and ecological,this paperanalyzed the coordinated development between agricultural economy and ecological environmentby selecting...

This paper analyzes the changes of the income growth rate and per capita income gap between urban and rural residents in Shijiazhuang City. The gap of absolute income value between urban and rural residents in Shijiazhuang is increasing, and urban residents’ income grows faster; expound the historical...

A series of organic quaternary ammonium bromide with varying carbon chain length in alkyl group were investigated as the catalyst for CO2/PO cycloaddition. When the length of the single-chain in alkyl tributyl ammonium bromide increased from 2 to 16 progressively, the catalytic activity first increased...

Pushover analysis, a computing method that combines nonlinear procedure with response spectrum and graph method, is an important technique for performance-based seismic design. In this paper, the fundamental principles and method of pushover analysis are introduced and then SAP2000 is used to execute...

For the long time computation and the poor learning effect in application of BP algorithm in software defect predict model, an improved BP algorithm is presented in this paper. The improved algorithm combines the JCUDA technology and the BP algorithm, by learning the sample decomposition, multithreading...

A new type of jamming against waveform agile SAR is proposed, which is called the variable intermittent sampling repeater jamming. The jamming can form false vivid targets through repeating waveform agile SAR different subsection signal as design in the current pulse in the waveform agile SAR current...

The structure of the coal yard is a four pyramid space latticed structure. In this paper, based on Midas/Gen finite element analysis software, the finite element model of the structure of the coal yard has been established, and the two methods which are one-time loading and considering the path effect...

This article presents data on the species composition, intensity and extensiveness of invasion in individual farms in the Shpakovskogo district of Stavropol Krai. The species composition of parasites is represented by ticks Dermanyssus gallinae and mallofags Menopon gallinae, Eomenacanthus stramineus...

In order to meet the demand of personalized cold drinks in the market, the refrigeration technology was analyzed and researched, and the scheme of staged cooling was established. Based on the principle of semiconductor refrigeration technology, which the semiconductor refrigeration device controlled...

The thermodynamics of the reactions for carbon reducing of coal fly ash to Si-Al alloy were investigated with HSC Chemistry 6.0 thermodynamic analysis software.The standard molar enthalpy change, Gibbs free energy and equilibrium constant of the reaction system at different temperatures were calculated....

In the field of control systems and automation, DC motors are widely used because of their simplicity, flexibility, stable speed and high efficiency. However, how to optimize the parameters of DC motors to improve performance and efficiency is still an important issue. This study aims to optimize the...

As cities continue to develop and urban buildings increase in number, the issue of environmental vibration affecting urban structures is becoming more prevalent. This article takes as its background the vibration issues arising from the construction of surrounding foundation pit piles for a certain high-rise...

With the rapid advance in technologies of mobile multimedia and the Internet, mobile multimedia have found their way in people's life, especially in the educational field, and they have shown their tremendous superiority over traditional one-way communication in English language learning. Organic connection...

From the point of view of 2001-2015 new energy automobile industry policy in china, the author reviews the new energy automobile industry policy in the three five-year plan period, and the three periods were defined as the science and technology strategy stage, industry strategic stage and national strategic...

The uranium resources prospecting started in 1955,xx uranium deposits has been prospected,and 5 uranium ore fields has formed in southwest area. According to the regional uranium metallogenic characteristics and the class of tectonic units in control region,combining concentration degree of uranium deposits,uranium...

Green building design is different from the traditional architectural design, building not only for science, space utilization, architectural form, building structure to be considered, but from an environmental and energy point of view, the use of ecological, environmental science and energy disciplines...

Government procurement introduce the concept of life cycle cost is of great significance. This paper analyzes the government procurement application situation and existing problems of life cycle cost. From the practical level, this paper analyzes the concept of life cycle cost in the government procurement...

In this paper, two models are built to solve the water scarcity problem, from which 1.6 billion people are suffering. In order to improve the water scarcity situation, an interbasin water transfer model and an agricultural water-saving model are built

The task of textual entailment recognition is to determine whether a text entails a hypothesis. This paper proposes a hybrid technique to identify the entailment relation between texts and hypothesis. This technique includes an approach based on lexical similarities and an approach based on the classifier...

The paper proposed an application method on college student employment using the AHP virtual platform. The application method is a simple, flexible and practical multi criterion decision method. It has been proved by experiment that the results obtained from using the Analytic Hierarchy Process analyzing...

Experimental investigations on lap welding of magnesium alloy to steel using resistance spot welding with Cu-Zn alloy interlayer are carried out. The effect of welding time, welding current and interlayer thickness on the bonding mode of interface and joint strength has been investigated using mechanical...

With the enrichment of Marine information on the Internet, the users find that it is hard to find the knowledge they need when they face with a deluge of Marine information resources, they wish to acquire marine information data rapidly which is integrated and desirable. Recently, researchers have been...

Since the party’s 18th National Congress, ecological civilization construction has become a governing idea, it has risen to the national strategic level. The system framework of ecological civilization has been basically established, and the environmental protection system is being continuously improved....

This thesis builds tower crane's simulation model using MATLAB/Simulink based on it's stress analysis, analyzes the design method of EI input shaper(Extra-Insensitive Input Shapers)in eliminating swing, and the simulation results of swing trajectory when doing heavy swing rotary motion were compared....

Partial nitrification (PN) treatments on waste-brine were carried out in this study. Stable PN performance was obtained during continuous operation for 752 days, with a maximum nitrogen loading rate (NLR) of 3 kg-N m-3 day-1 and ammonium conversion rate (ACR) of 1.4 kgNm-3day-1. The ratios of NO2--N/...

This paper presents a new Computer Numerical Control (CNC) system which can be applied to teaching demonstration. The overall design features of the CNC system are systematically expounded and the application of virtual prototype in the development of multi-function system is introduced, which comes...

The purpose of this article is through the human geography and planning in urban and rural areas of Guangzhou university for example to explore the discipline of personnel training and curriculum reform, So this article has certain reference and guidance. This article firstly analyzes foreign urban planning...

Energy is the main necessity for carrying out activities in various sectors. The fulfillment of energy is still dependent on fossil energy, which causes various negative impacts. Indonesia’s location on the equator makes Indonesia an area of air movement. Some areas in Indonesia have considerable potential...

In the process of highway construction, the compaction of subgrade soil is generally carried out under its best moisture content, which can ensure that the subgrade soil reaches the maximum dry density to provide sufficient bearing capacity. However, in the actual project, the moisture content of the...

The fraudulent practice of phishing attacks targets essential user in-formation by creating fake websites that imitate authentic ones. Detection meth-ods based on traditional techniques experience difficulties when dealing with features and adaptability in addition to changing attack patterns which leads...

There are lots of negative effects caused by transformer noise. The energy of the noise is mainly distributed in several low frequency points shown by analysis of transformer noise characteristics. In response to these char-acteristics, this paper proposed a new power transformer active noise control...

In order to improve the safety of long-span curve continuous rigid frame bridge with high piers, the Wu Jiawan bridge is taken as an example, the finite element model of the full-scale bridge is established by using Midas/civil, the construction process is simulated by calculation. The stability of the...

Aluminium alloy structures are widely used in civil engineering. In this paper, nonlinear analyses were carried out on the aluminium alloy members under bending moments by finite element analysis. The parametric study shows that the ductility of the new section is better than that of the I-section. The...

The effects of applying four hyperaccumulator species (Solanum photeinocarpum, Bidens pilosa, Siegesbeckia orientalis and Youngia erythrocarpa) straws in cadmium (Cd) contaminated soil on phosphorus (P) and potassium (K) uptake and soil enzyme activity of Capsella bursa-pastoris were studied through...

A power allocation scheme is proposed to improve the outage performance for a wireless cooperative network with multiple energy-harvesting relay nodes. The optimization problem is formulated to minimize the system outage probability under the constraints of both relay joint maximum transmit power and...

La3+- doped BiPO4 photocatalysts were synthesized by a hydrothermal method. The morphologies, structures, components, and light absorption properties of the photocatalysts were evaluated using XRD, FESEM, EDX, BET, XPS, and DRS techniques. La-doping could improve the photocatalytic activity of BiPO4...

Based on the magneto-rheological effect of magneto-rheological fluid (MRF) and the work characters of dual-clutch transmission (DCT) put forward a new type of automobile transmission: magneto-rheological fluid dual clutch transmission (MRDCT). The MRDCT has simple structure, no wear, low energy consumption...

Based on images and indices of loess microstructure in the major sedimentary areas of northwest China, characteristics of loess formed in different sedimentary ages are compared. It bring forward the method of loess forming in different climate period and its microstructure characteristics. According...

With the development of sports, it is urgent to find an object which can improve the athlete's strength and without any side effects. Studies have found that tea polyphenols (TP), with the effects of antioxidant and free radical scavenging, can improve the cardiac function and protect the integrity of...

For the situation in which the low accuracy of circular hole recognition in hole workpiece based on image processing technology, a method of Optimized Gradient Hough Transform(OGHT) for circle recognition is proposed. Based on the Standard Hough Transform (SHT), the OGHT is used to extract the edge feature...

Indigenous construction innovations in Ghana offer culturally rooted, cost-efficient, and environmentally sustainable alternatives to imported technologies. Despite this potential, uptake remains marginal. This study examines the factors that drive and hinder the adoption and integration of these technologies...

Road accidents have been found to be the major cause of preventable deaths all over the world whereby speed of emergency response is the most crucial aspect of survival. The possibility of survival depends significantly on the delays in sending aid, which are usually caused by the incapacitation of the...

Accurate recognition of emotional changes has become an urgent and essential need in multiple practical fields and interdisciplinary domains. Traditional emotion recognition primarily relies on monitoring explicit expressions and the subjective statements of subjects, and subjective biases often significantly...

Infrastructure development in Indonesia is growing rapidly, given Indonesia’s economic growth that is still lacking to be said as a developed country. Development can occur in various industrial sectors, one of which is Jatigede Reservoir located at Sumedang regency. This infrastructure development certainly...

The gas identification technique based on, real-time monitoring of electronic nose detection technology as the main research method, main products for Hainan tropical agricultural products, tropical fruits in storage and transportation of quality change for the purpose, to select the object, by electronic...

In this paper, we first introduce the topology structure of TSC (thyristor switched capacitor) and D-STATCOM (static var generator), which is composed of a group of D-STATCOM of small capacity and multi group TSC. According to the characteristics of the two, a hybrid reactive power compensation device...

Engineers are sometimes asked to analyze the feasibility of existing control systems or design a new system. The conventional analysis and design methods heavily depend on mathematical calculation. In order to minimize calculation, graphical control is proposed. This paper aims to introduce three different...

In order to optimize construction parameters of profile control in HX oilfield and improve the profile control effect, we studied the influences of permeability, oil saturation, water shutoff agent concentration and injection rate on profile control performance through orthogonal experimental method...

Inorder to improve the life-cycle cost analysis (LCC) in the project of large-scale use of a flexible system, the introduction of "percolation theory" was used and proposed LCC calculation module system consists of basic modules, function modules, the module structure of three modules, and It was confirmed...

This test using MIDAS/GTS simulated the effect of shield tunnel excavation on the surrounding pipeline.Numerical analysis of the soil is using Mohr - Coulomb model and the pipe and lining Linear elastic model.In the process of simulation,the tunnel stress gradually release are considered and the linings...

N-nitrosamines (NAs) are harmful substances which have been detected in meat products. In this study, four NAs namely nnitrosodimethylamine (NDMA), n-nituosomethylethylamine (NMEA), n-nitrosodiethylamine (NDEA) and n-nitrosopoperdine (NPIP) was determined in the process of Chinese preserved meat. GC-MS...

In 2011, the output of liquor industry in our country is nearly four hundred billion RMB yuan and the market scale is nearly two hundred billion RMB yuan. The main reason for the liquor-making industry to develop is that the increasing of people's incomes has led to the escalating of consumption. At...

With the frequent occurrence of earthquake disaster, the aseismic design of building structure has attracted more attention, especially the displacement-based aseismic design of building structure has been widely applied into practice. This thesis begins with the three methods of displacement-based aseismic...

Olympic system contains rich ideological and cultural quality education resources. These provide the enlightenment for enriching the content of university education and humanities quality education, and broaden education teaching idea. These education resources are mainly manifested in six aspects: patriotism...

The physical model of low pressure pipeline of pre-mixed abrasive water jet system is established. Based on the software of FLUENT, the numerical simulation of heat transfer between low pressure pipeline of pre-mixed abrasive water jet system and low temperature environment was carried out through solving...

This article considers a conversion device that ensures matching of the characteristics of the superconducting inductive (SPIN) energy sources and receivers of electric energy of the traditional performance in a power unit of autonomous perspective of the locomotive. Diesel-electric traction is a wellknown...

Characteristics of multiple working conditions are existed in the medium-term power prediction model of wind farm. To solve this problem, amulti-model modeling method for power prediction based on LS-SVM algorithm is presented. In the method, affinity propagation clustering algorithm is used to cluster...

Working continuously can lead to fatigue, both physically and mentally. The objective of this study is to provide a macroscopic overview of the relationship between fatigue levels and work performance based on existing publications. There is a relationship among the three dominant clusters, namely human...

To develop idle parking resources, enhance existing parking efficiency, and alleviate urban parking challenges, this paper focuses on residential community parking lots. It constructs a Bayesian probability matrix to predict the combination of vehicle arrival times and required parking durations. Based...

Damper is an important part of vehicle suspension system, containing the nonlinear vibration system of elastic force and damping force, this system generates vibration excited by road irregularities and vibration source such as engine. To solve shortcomings of the traditional vehicle that consumes energy...

The mathematical problem of the changes of the shadow length of the straight bar according to the passage of time can be solved by transforming the problem to solve the sun elevation angle corresponding to the time. The sun elevation angle is determined by the local time and Sun's declination. By using...