Advances in Engineering Research

This paper presented a new kind of Viscosity Modifying Admixture (VMA). Adsorption and rheological properties was studied on this new kind of VMA and Cellulose hydroxypropyl methyl ether Hyprolose. The results show that adsorption capacity of this new viscosity modifying admixture is greater than cellulose...

This paper discusses the issues related to chaos synchronization between two four-wing fractional-order chaotic systems with identical structure by using state observers. The effectiveness and feasibility of the proposed synchronization scheme are verified by numerical simulations and experimental records,...

User authentication in wireless sensor networks (WSN) is critical due to their unattended and even hostile deployment in the field. The open environment of WSN requires mechanisms which prevent unauthorized user from accessing the information from WSN. Recently, M.L.Das proposed a two-factor user authentication...

Purpose: We do it to improve the efficiency of analyzing risk factors of Type 2 Diabetes. Method: We use the patients’ data from the information department of one tertiary referral hospital in Lanzhou which include course note of disease and their health record form January 2009 to March 2014.We find...

Through the test in the laboratory, the removing effect of ultrasonic pretreatment process on e.coli, TOC, UV254, SUVA was studied. The experimental results show that ultrasonic has certain inactivated effect to e.coli. When ultrasonic action time is 30min and ultrasonic density is 0.75 w/mL, the removal...

There are over 2 trillion barrels of conventional oil still remain reservoirs worldwide after conventional recovery methods have been exhausted. Based on these many techniques that involved in tertiary oil recovery were developed. However, most of these technologies restrict the further development of...

The engineering measures and non-engineering measures are the two complementary supports of mountain torrent disaster control. Through a series of approaches such as danger control and reinforcement, regulation construction, management system reform in recent years, reservoirs as the traditional sense...

This paper analyzes the main problems and technical requirements of sloping channel stabilization loop design, in order to make the static error of slope stability not big and reduce the sensitivity of "time-varying interference moment of couple" in the system, the integral correction is introduced....

The effect of substrate temperature on the resistance switching properties and the endurance characteristics of ZnMn2O4 films, deposited on p-Si substrate by magnetron sputtering, was investigated. The ZnMn2O4 films deposited at various substrate temperatures are polycrystalline with spinel structure....

SiO2/ZrO2-SiO2 composites were fabricated by sol-gel method, and then the flexural property and oxidation behavior of SiO2/ZrO2-SiO2 composites were discussed. The results showed that SiO2/ZrO2-SiO2 composites were fabricated by sol-gel method. The flexural strength of the composites was homology with...

Femtosecond laser can be used in fine processing of any material, especially for micro-nano precision machining. Cooling holes is the important technology used to improve performance of the aeroengines hot-end components such as turbine vanes and blades and is widely used in advanced aeroengines. With...

Airlines industry is currently the biggest industry of transportation in the world. It focuses in service strategy to get costumers, because a great quality of service is a way to get customer loyalty. The objectives of this study are to examine and to identify the ways to increase airline customer satisfaction...

Quantitative detection of the status of the injured site of the patient contributes to the assessment of the rehabilitation effect. This paper designs a wearable device based on embedded system, which can get the pressure, temperature and attitude information of the finger parts and send these messages...

The purpose of testing switchgear and controlgear assemblies is to access the product compliance interns of design aspects, materials used and manufacturing competency. The latest IEC 62271 series of standards reveals the test requirements and evaluation criteria to judge the performance of the equipment....

The panel structure is one of the key technologies in the design of concrete face rockfill dams. In this paper, addressing the issue that a large number of isoparametric elements are required to reflect the stress characteristics of the panels to a certain extent, a method for automatically generating...

Technological advancements in the construction industry have encouraged the adoption of Building Information Modeling (BIM) as a tool to enhance planning efficiency and accuracy. This study aims to assess the comparison of structural concrete work volumes and costs between the conventional method and...

The development of smart grid has a higher requirement for the real-time data acquisition, processing and association analysis of mass data, big data is one of the core technologies. Accurate prediction of the output of PV (Photovoltaic) plant is of great significance to the safety and stability of power...

Partial discharge of electrical equipment will seriously affect the equipment insulation.Ultrasonic array sensor is a mature tool which is used to detect the partial discharge.We design a fixed device of sedenion and circular ultrasonic array sensor,that can meet the precision demands and fixed demands.The...

When more than one loads act on a structure the combination of stochastic loads is generally considered in the design of the structure Based on the theoretical derivation and numerical calculation analysis to the process of two common loads in Poisson square wave and Poisson impulse this paper presents...

In order to create a comfortable and cost-effective hot bath condition for everyone, we invent a bathroom environment to simulate the process of people taking a bath. Then, What are a hot bath made of There must be a bath crock, a tired man who is eager to clean himself. In this way, we got the two key...

Use of binders with low water demand opens prospects for obtaining high-performance concretes. A polyfunctional modifier based on resol-type resorcinol-furfural oligomers allows one to obtain binders with low water demand and high specific surface area, compressive strength, and water-reducing ability....

With the accelerated pace of life, busy with work during the day, lack of sleep at night time, people can only catch up on sleep by lunch time, or in the vehicle for a short break, if the external environment is not good will easily affect the quality of sleep. So, we design a intelligent eyeshade, it’s...

Abstract—As China's mileage of Highway and urban transport tunnel extend speedily, some challenges to the safe operation of the tunnel occur. People pay more attention to the mechanical state of the traffic tunnel and the environmental problems caused by tunnels. Based on a new traffic tunnel in Henan...

Aiming at the problem that under the condition of multi grid-connection inverters, the dilution effect can easily cause islanding detection failure of Sandia Frequency Shift (SFS) method, a new phase locked loop based composite islanding detection strategy for multi grid-connected inverters is proposed....

This paper presents the behavior of concrete-encased CFST stub columns under axial compression after exposure to fire from both experiment and numerical analysis. ABAQUS is used to develop a finite element analysis (FEA) model to investigate the performance of the composite columns after exposure to...

This paper combines the advantages of the finite element method and lumped parameters to build the dynamic model of gear system. The gear is regarded as concentrated mass while the axis is considered as an elastic beam element and the quality of the bearing unit is ignored. Each element is assembled...

It is widely researched and confirmed in traditional track and field events that the athletes nutrition and supplement testing of anaerobic endurance track and field events could make nutritional integration which may come from different nutrient sources. However, some existing athletes nutrition and...

This paper is a narrative of the results of the initial exploration of Luang Island, which is one of the small outermost islands in Maluku, Indonesia. The purpose of this study is to describe the existence of the boats and the Luang people in their lives. This study uses a qualitative method with an...

The critical thinking instrument is an instrument that contains essential indicators of thinking to test critical thinking ability. The purpose of this study is to examine instrument development methods, test instrument forms, question indicators, instrument feasibility tests, research subjects, instrument...

Serial-stacked enhanced railguns are with bigger inductance gradient value than simple ones, which is im-portant to improving the energy efficiency and the railguns' launch force. On the basis that the structure and principles of serial-stacked enhanced railguns are introduced. We calculate the inductance...

Localization of embedded system software usually has the characteristics of component, multi thread. Dynamic test is difficult to achieve full coverage, through static analysis techniques for automatically check source code, source code in the presence of common software defects found, can thoroughly...

This paper uses game theory to analyze the behavior of government and enterprises in the Reverse Logistics (RL) of Waste Household Appliances (WHA). A static game model and a dynamic game model are established to study respectively the periods of establishing and operating the Reverse Logistics System...

The tensile fatigue property of steel fiber reinforced concrete (SFRC) was studied. In an axial tensile fatigue experiment, 52 prismatic specimens were tested under various stress conditions. A significant increase is found in the fatigue life of SFRC comparing to that of ordinary concrete. The results...

Erbium ion doped sodium lanthanum gallate glasses (Na2O-La2O3-Ga2O3 or NLG) which are suitable for use in optical waveguide devices has been fabricated and characterized. The density, the refractive indexes, the absorption and luminescence spectra along with the luminescence decay time were measured....

It is well known that the introduction of BT mode in construction of public infrastructure can reduce financial pressure of government public organization greatly but it might make the public be exposed to the debt risks The key of resolving this problem is to control the investment in BT project effectively...

With the maturing of the electronic commerce,many people will choose to shop online.At the same time the goods's reviews will influence the decision of people to buy goods,which has led businesses to deliberately write deceptive opinion to improve the sales of goods or undercut rivals .Aiming at the...

Identifying the main influencing factors of carbon emission change in manufacturing is essential for making sound mitigation policies and boosting China to achieve emission peak early. Classifying manufacturing industry into high-, medium- and low-energy consumption categories, this paper employed LMDI...

There are labor intensive, harsh environment and other issues in the handling process of the cheese in the dyeing workshop. To solve this problem we have designed and developed a Cheese Rectangular Coordinate Robot. PC is the host computer, and the software in PC is compiled in VC environment. It responsibles...

Data on the species and quantity composition of weed plants in wheat agrophytocenosis are given, depending on agroclimatic conditions. Features of changes in the composition and abundance of different biological groups of weed plants during the vegetative period are considered. During the years of research...

In recent decades, developing new energy saving light source is an important research in light-fishing industry. With the development of semiconductor technology, people want to replace traditional metal halide lamp with more energy-saving LED lamp. In this paper, Two phosphors, LuAG (Lu2.945Al5O12:0.055Ce)...

The plate - column -light steel structure building energy-saving residential system has the advantages of light weight and high space utilization and strong ability to resist earthquake high industrialized degree. The construction technology of the plate - column -light steel structure system is researched...

Two novel dual-band microstrip filters using g/2 Stepped-Impedance-Resonator(SIR) resonators are proposed in this paper. The prominent feature of the SIR filter is that the spurious response can be controlled by the impedance ratio Rz and the length ratio of the resonator. Simulated results show that...

This paper introduces the basic concepts of harmonic produced by MATLAB simulation, waveform of harmonic, harmonic of the fast Fourier transform to the spectral leakage phenomena are analyzed, introduced two kinds of solutions: increase the length of the window and select the appropriate window function....

The adoption of digital payments aims to minimize cash use transactions, provide convenience, acceleration, and efficiency in payment transactions. Polines-Pay is a technology-based electronic payment instrument implemented in Politeknik Negeri Semarang (Polines) as an innovative digital payment product....

Industrial robots play a pivotal role in modern manufacturing by significantly enhancing production efficiency, product quality, and operational safety while reducing labor costs. However, traditional industrial robots face limitations in flexible production and rapid changeover, prompting the development...

In this research, the initial design of a solar PV cooling system based on TEC was built. This was a new design to improve the power output performance of the solar PV, i.e. the power and the efficiency of solar PV. The active cooling methods developed in this research were using 7 and 9 thermoelectric...

The steel framework of a utility boiler was an important structure sustained loads, and its strength and stiffness were primary factors in structural design. Stiffness was assessed by measuring perpendicularity of pillars. For this steel framewok seismic loads was significant to the entire strength....

During recent years, the medium-low speed maglev system brings new chances for the development of maglev train related techniques, and traditional operation and control standards have been applied in its signal system design. However, as there are no wheel sets on maglev train, the positioning function...

In order to study the change principle of development biddingafter polymer flooding the coefficient of drag and residual resistance factorare measured by flow test, and the reasonable injection rate is obtained by the injectability evaluation experiment.Oil displacement experiment is carried out in different...

Rotary tables are important machine tools in fields of angle measurement and attitude simulation. Nonmagnetic rotary table with two axes is designed and researched instead of traditional magnetic and electromagnetic measuring and control systems in this paper. T-U pattern is adopted in structural design...

Atomistic modelling and simulations are becoming increasingly important in the field of corrosion inhibition. In this work, Monte Carlo simulations technique incorporating molecular mechanics and molecular dynamics was used to simulate the adsorption of two Schiff base derivatives, namely 4-(4-aminostyryl)-N,N-dimethyl...

Information system is a data-intensive, human-computer interactional computer application system whose main aim is to provide information service. At present, there are two modes of information system using by tourism enterprises: the first one based on the information web mainly used in the network...

Taking the mining influence on the gas desorption characteristics of coal body into consider, a new gas adsorption and desorption system of coal sample under compression was manufactured. Using this test system, the gas desorption characters of coal samples were experimented under different gas pressure...

Efficient heat dissipation of high power and a high heat flux density for power electronic devices are demanded, along with high reliability, high power density, miniaturization, and a light weight. One solution is to transfer heat from the electronic device to the surrounding environment rapidly by...

This paper investigates the asymptotical stabilization via state feedback for a class of new chaotic systems, which nonlinear terms are monotonically increasing odd functions with the range [ 1, 1], with a quantizer connected on the input channel. The updated law and adaptive law of estimate boundary...

A Brazil near-shore wave energy converter uses a large float and a long arm to drive a pump-turbine-generator system on land. This paper proposes to convert the float into a Circular-Slide Wave Energy Converter with on-board power generating equipment.

PID controller was widely used in various kinds of control process for its good stability and high reliability. But PID control system can not reach the expected effect for some nonlinear and time-varying characteristics of complex production process control. The fuzzy PID control method was put forward...

Analytic Hierarchy Process (AHP) is a multi-criteria decision-making method combining qualitative analysis with quantitative analysis. This method can analyze the essence, influencing factors and inherent relations of the problem, so as to construct a hierarchical model and solve problems easily with...

The mathematical problem of synchronization of material flows in small-scale production is a statement of objectives, criteria and optimization demonstration. It is proposed to use the best practices of Lean and QRM approach as applied to small-scale production, taking into account the specifics. There...

According to the combination of lower extremity rehabilitative robot(LERR) and trainer, the effects of multi-point driving form and single point driving form on muscle force and joint torque are explored. The musculoskeletal model of lower limbs was established, based on the physiological structure of...

This paper will aim at calculating parameters and solving its optimization problems of folding desk, according to the given plank and the size of the folding desk, deducing the calculation formula of the machining parameters making use of the geometrical relationship, establishing the multi-object programming...

The existing prediction methods for SO2 concentration mainly have the disadvantages such as no unified sources and influences, sensitive to small sample, easy to fall into local optimum etc. In order to solve these problems, a method for SO2 concentration prediction is proposed, based on fuzzy time series...

This paper mainly introduces Turkmenistan's development status and investment policy of the transportation industry, and analyzes the favorable factors and investment risk of Turkmenistan's environment, then based on the particularity of the transportation project proposes that when China enterprises...

Based on the JC method (reliability calculation method) proposed by the Lcwick et al. [1] and recommended by the Joint Committee on Structural Security (JCSS) and the fourth strength theory, the reliability design formula of the thin-walled cylinder of pressure vessel is deduced. And the Monte Carlo...

In this paper, two-stageASBR process composed of two anaerobic sequencing batch reactors (ASBR) was used as the reaction device to remove organic matter and ammonia nitrogen in high concentration nitrogen-containing organic wastewater,stage1 to adsorb and remove the organic matter, stage2 to remove ammonianitrogen...

A one-dimensional quantum four-state Potts model is investigated in the context of a tensor network algorithm based on the infinite matrix product state representation. The local order parameter and entanglement entropy are computed. The scalling for the maximal entropy of the four-state Potts model...

Optimization and calculation of the phase diagram of Pt-Sn binary system were presented by Pandat software.The Gibbs free energy of the pure component (Au and Pt) was described by the expression of the SGTE (Science Group Thermodata Europe) database, Using the solid solution phase thermodynamic model...

The born of GUI is a milestone in the development of software. It is very popular and welcomed by the consumers because of its friendly user interface and easy straightforward operation. Meanwhile it brings new challenges for the automation software testing technology. This paper begin to discuss with...

The signal noise and attenuation in channels severely affect the communication quality in power distribution network. Orthogonal Frequency Division Multiplexing(OFDM) has an excellent antijamming capability and a high rate of channel utilization and is widely adopted in power line communication. In this...

The problem and disadvantage of modern sheep farming lies in the fact that the existing production models cannot meet the existing needs. There is an urgent need for new technologies to modernize equipment and digital management of breeding farms, in order to enhance the mechanization and automation...

Capillary gravity circulation cabinet is an air-conditioning terminal that integrates dehumidification, refrigeration, and heating functions. It was invented in Germany is now being applied in some office buildings in China. In this paper, the temperature field of the gravity circulation cabinet in different...

Disasters, both natural and human-induced, pose significant threats to human life, particularly in disaster-prone regions like Bangladesh. Efficient and rapid rescue operations are crucial to minimizing casualties and damage. This study presents E-DRONE (Emergency-Drone Rescue Operation and Networked...

The purpose of this study is to determine the dimensions or factors of tourists’ motivation to hot springs tourism. It is driven by a research gap that past studies on hot springs tourism mainly focus on the relationship between motivation variables with various indicators and other behavioral constructs....

In response to the global call of environmental protection, a kind of environment-friendly air circulation refrigeration system is analyzed . Working principle of air cycle refrigeration system is introduced.The advantages of air refrigeration system are summarized, and main research achievements and...

Advanced biodiesel derived from waste cooking oil (WCO) is a promising diesel alternative because of its renewability and its less negative impact on food supply as compared to traditional biodiesels. WCO biodiesel can be catalytically produced from waste cooking oil and alcohol through the process of...

With the rapid development of smartphones, Android system by its unique openness, rich hardware selection, convenient application development, is accepted by more and more people. The mobile game based on Android, is gradually popular in the crowd. The game in the research with a beautiful picture and...

The wireless telecommunication techniques based on android operation system has been widely used both in life and work. It is of huge importance to classify and monitor the accurate android network traffic . However, the appliance of port jump technique and port encryption technique make classifying...

To monitor the soil temperature field of a ground source heat pump project in Changchun and research their variation and influencing factors. Research showed that: the soil temperature field with the heat pump heating/cooling alternate operation present a periodic variation. The impact of outdoor temperature...

The power load gradually increases with the development of the city construction which highlights the optimization of power grid dispatchent, and in which a new computer system, the GIS short for Geographic information system plays an important role. This text on basis of introducing GIS conotation,...

Due to their adverse health effects and their abundance in urban areas, diesel exhaust ultrafine particles caused by the aftertreatment devices have been of great concern in the past years. An experiment of particles number emissions was carried out on a high-pressure, common rail diesel engine with...

We study the thermal transmission of the static water. First we divide the water into lots of little grids in three-dimensional space and study the temperature distribution of the static water. To make accurate numerical calculation, we then discuss the thermal transmission of the typical grids and establish...

The detection results in the article are gained through tests on the material strength, reinforcement location, scantling design and slab thickness of civil engineering division of Lujiang’s gymnasium. As for the substandard parts, treatment proposals are put forward to ensure the project quality

The different layouts of knee braces will affect the mechanical performance of the structure to some extent. Nevertheless, an extensive review of related literature indicates that the effect of different layouts of knee brace in steel frame structure is not considered. Typical models of multi-storey...

Ligand N2,N6-bis(2-hydroxyethyl)pyridine-2,6-dicarboxamide (BHPC) was synthesized and used to construct lanthanide-based mesoporous material Tb-BHPC-MCM-41. In the structure of the luminescent material, BHPC was anchored into the forming MCM-41 host by the reaction between the hydroxyl group and active...

David Herbert Lawrence (1885-1930) was an outstanding modernism novelist and poet in the 20th century, who was known as "one of the greatest figures in English literature history. It is known that Lawrence's literary career started with poetic songs, and the earliest two poems "Hydrangea" and "Lychnis”...

In this article, the performance comparison evaluation of self-made solution process Butyl rubber (IIR) LH-1 and two kinds of imported Butyl rubber(IIR) (solution process IIR ET-110 and slurry process IRR EJ-120), the results showed that the self-made LH-1 had some differences with the contrast sample...

Distribution feeders are sometimes damaged heavily by typhoon every year in the coastal region. A finite element model of a standard feeder is established by ABAQUS/CAE firstly. Then the deformation under different wind speeds after the wind loading is applied by equivalent inertial acceleration. The...

Aiming at the problem of machining quality caused by the sharp fluctuation of grinding force during the grinding process of non - circular parts, a new method for determining the transition profile based on the presetting of the grinding arc length is proposed. It is recommend to use the target profile...

the new Magnesium Phosphate Cement (MPC) was prepared by using the by-products of extracting lithium boron magnesium oxide (B-MgO ) as raw material. The influence of hydration hardening process was studied by testing setting time and compressive strength of different raw materials ratio of MPC. The phase...

In order to fully protect the safety of live working personnel, high electric vehicle must implement multiple safety protection. First is the safety of the hydraulic system, not in office under the condition of artificial ac-tive operation can realize self-locking; Then the insulation safety, in can't...

In order to improve the quality of data collection, a method of dada collection with high reliability is proposed in this paper. Based on the data collection method, the software and system platform of client intelligent electricity information system (CIEIS) is designed to further analyze client electricity...

This design is positioned in the outdoor air environment is increasingly deteriorated premise through the improvement or redesign, to improve people's workplace environment for desk type air purifier; and stylish innovation to meet the fast-paced city life crowd physiological and psychological needs...

The texturization of monocrystalline silicon wafers using a mixture of potassium phosphate tribasic (K3PO4) and potassium phosphate dibasic (K2HPO4) solutions has been investigated. A series of comparative experiments were made to indicate the dependence of hemispherical surface reflectance on the solution...

The emergence of full-controlled power electronic devices, such as VSC, provides a new direction for the development of HVDC. Based on the analysis of the steady-state model of VSC-HVDC, its mathematical model for Newton method power flow caluclation is developed. This paper proposes a uniform iterative...

This paper introduces the configuration and operation principle of the hydraulic in-wheel motor drive system for heavy truck. According to the regenerative braking function of the system, the distribution algorithm of braking force is proposed and a regenerative braking control strategy is developed...

Based on investigation dada on lead (Pb) in July and October 1984 in bottom waters in Jiaozhou Bay, we analyzed the content, pollution level and distribution of Pb. Results showed that Pb contents in 1984 in bottom waters were 1.33-17.34 g L-1 and were meeting Grade II, III and IV in National Sea Water...

With the external micro-jet to stimulate main jet flow to generate multi-stage oscillation and get time-averaged pulse, a novel high-efficiency jet mode of static gas wave refrigeration is proposed. Investigation made by CFD indicates that the loss of total pressure is less than 45% of that of the self-excited...

Due to huge advantages, phase change materials (PCMs) are widely applied to various fields. Particularly, they are essential materials in regeneration, development and utilization of energy. However, because PCMs generally contain alloy materials and have some corrosivity, some leakage losses may be...

4-UPU belongs to the category of less degree of freedom parallel mechanism, this paper analyzes kinematic pair of the parallel mechanism and the structure design of key parts, and selecting the best design scheme.According to the bottom and the principle finish three-dimensional entity assembly, in the...

The ABS/PET and ITTR/ABS/PET alloys were prepared by melt blending method using hard-shell structure of isocyanate terminated silicone resin as compatibilizer. Moleculestructure of ITTR, PET and the alloys had been characterized by FTIR and mechanical properties such as impact strength, bending strength...