Advances in Engineering Research

by establishment of Midas FEA model and combining with the characteristics of temperature field, the research is carried out on temperature field, it shows that temperature field of the plates inside and outside surface is in the time lag relationship, and thermophysical properties of concrete is little...

With the rapid development of the network and the growing maturity of the related teaching software, music teaching system as an aid teaching methods is the development trend of university music education. This paper designs the music teaching system based on J2EE. First, studies the key technologies...

Based on the introduction to the concept and calculation method of tourism ecological footprint, the tourism ecological footprints of 8 minority autonomous prefectures in Yunnan province are calculated and analyzed according to the data of the statistical yearbooks of Yunnan province in 2014. The results...

With the increasing large space buildings, the suitability of sprinkler has been challenged using in such large space situations. The automatic jet fire extinguishing devices based on infrared were designed and used to extinguish fires. The accuracy of the devices will significantly reduce in the windy...

DNA methylation is an important epigenetic modification mechanism, interacting with histone modification, changing the structure of chromatin and regulating gene expression. Meanwhile, there is a close relationship with cell proliferation, aging, cancer and other life phenomena. DNA methylation includes...

The manganese oxide (MnO2) nanosheets supported on cordierite honeycomb ceramic (CHC) were synthesized via in-situ growing hydrothermal method. The effects of CH3COOH precursor concentrations on the morphology, crystal structure and toluene purification activity of MnO2/CHC catalyst were mainly investigated....

IPv6 has a massive address, multicast ,neighbor discovery, auto-configuration, service quality, removable and many other new features, as the core technology of the next generation IP( Internet Protocol). IPv4 to IPv6 transition is imperative. This paper discusses how to achieve a smooth transition from...

This paper explores the aerodynamic implications of flap angle adjustments on aircraft performance, with a focus on optimizing lift and drag characteristics during critical flight phases such as takeoff and landing. Trailing-edge flaps, including plain, slotted, Fowler, and Gurney flaps, are examined...

Tooling plays a critical role in the accuracy and precision of the produced parts in manufacturing. Certain established parameters need to be followed while designing the tools. The choice of material, geometry, tolerances, and surface finish of tools depends on the application. 3D printed parts with...

"For a city, the most important thing is not architecture, but planning." Ieoh Ming Pei, a famous Chinese architect, once said. City planning is a comprehensive development tasks and objectives within a certain period. In this paper, we first select 20 indicators ,which conform to the ten principles...

Nanosize SAPO-34 zeolite was successfully prepared by hydrothermal method using tetraethylammonium hydroxide(TEAOH) and triethanolamine(TEA) as template. It was investigated by X-ray diffraction and scanning electron microscopy. The results show that the dual template can control the particle size and...

The flow of information has never been as easy or wide-ranging as it is today. I are tasked to explore the evolution of the methodology, purpose, and functionality of society’s networks by taking a historical perspective of flow of information relative to inherent value of information.the speed of information...

A nonlinear finite element analysis is carried out for the whole process of elastoplastic deformation considering both material and geometry nonlinearity, and the limit states of damage and failure mechanism were studied. According to the analysis, the joints studied show great bearing capacity, which...

Estimation of solar radiation (SR) is important for energy plan, architectural design and solar energy systems. In China, it is necessary to explore estimating methods of SR because of the limited radiation measurement data. Based on meteorological data at 46 stations, temporal and spatial variations...

In this paper, a thresholding algorithm combining local and global region is proposed in order to perfect the vision of line-heating robot, segment foreground objects and background accurately, eliminate environment effects. The thresholding method combines the advantages of both local and global threshold...

This paper analyzes the design requirements of high-performance EPS controller, on the basis of which, we select Freescale Power Architecture ECU MPC5602P special for EPS. By the means of Modular Design, we propose a new design for EPS controller hardware, which focuses on MPC5602P minimum system, power...

Due to concentrated suspensions for solid dispersed phase and liquid mixture, the diverse nature, so concentrated suspensions of two-phase flow system in the transport process is very complex. Two phase flow is a complex nonlinear dynamic system. In the numerical simulation movement of two-phase flow...

A 310kW steam generation system by the heat utilization of mesothermal solar was built and the thermodynamic model of main parts-solar collector and heat transformer were developed. In different conditions, the impact of solar radiation intensity, recycle ratio of condensate water and ambient temperature...

To address the “memory wall” problem that limits the computing power of processors due to the traditional von Neumann architecture’s separation of storage and computation, the Processing-in-Memory architecture, which integrates storage and computation, has become a research hotspot in the current new...

Fuel cell is attracted much attention as an efficient power, low-pollution means of generating electrical power. In this paper, the fuel cell power generation system problems are described in detail, and expounding on the principle of single battery, power system working principle, characteristics, and...

Ultrasonic surface rolling process (USRP) as a novel surface nanocrystallization method generates severe plastic deformation in material surface through combined static extrusion and dynamic impact. Since the dynamic impact acts at ultrasonic frequency, the elastic-plastic deformation is mainly induced...

The waste pomelo peel modified and orthogonal optimization of adsorption conditions of neutral red was studied.The results showed pomelo peel modified with 0.1 mol-L-1 acetic acid was the best.The optimal processing conditions were as follows: 100 mL neutral red solution of 200 mg-L-1 ,adding 3.0 g-L-1modified...

In this paper, based on the measured signal, we use the least squares method to test the theoretical relationship between the vibration signal and current .Then, we use the Fourier transform data to analyze the relationship between amplitude and current .Finally, we analyze the relationship between energy...

In this paper, a new nature-inspired optimization algorithm, based on the prevalent mechanism of infectious diseases, called Hybrid Infection model optimization Algorithm HIA , was designed. The HIA algorithm mimic the transmission mechanism of infectious diseases, needs neither the gradient information...

Magnesium ammonium phosphate by adding magnesium salt and phosphate to ammonia nitrogen landfill leachate,The medicament and ammonia nitrogen landfill leachate Mg2+ PO3- ions in NH4+ after chemical reaction of producing magnesium ammonium phosphate.In the whole reaction process is influenced by pH value,reaction...

Cast-iron parts are employed widely in all kinds of industries, which are very difficult to repair with overlaying welding methods such as electric arc,Ar arc, etc. Laser cladding is a great approach to repair this kind of parts. This paper did some experimental research of laser cladding reparations...

The design and construction level of power grids are increasing rapidly with the development of China's power industry. The tower of Transmission line has become an important forced fulcrum. Safety and economy are basic requirements of conventional structural design. However, making the transmission...

Space station redocking is a long period process which suffers uncertainties from external environment and space station itself. Dynamic model of redocking is derived firstly, then generalized Polynomial Chaos (gPC) method is used to analysis the influence on attitude motion caused by uncertainties....

A field trial with 2 kinds of humic acid fertilizers (i.e., humic acid and weathered coal) being added to the balance use of nitrogenous, phosphorus and potassium fertilizers for 3 years was carried out to test effects of tea's yield, nutritional quality and soil fertility in a tea garden. And 4 treatments...

Based on summary and analysis of research results for RC frame structure retrofitted by FRP, the significance and necessity of elasto-plastic time history analysis was pointed out. Some key issues of elasto-plastic analysis using ABAQUS for RC frame structure retrofitted by FRP were discussed in the...

This paper first introduces the method of drawing an efficient outdoor small object group widget batch, then design a representation to the method of creating widget visible set search strategy based on improved BSP tree and its corresponding to the efficient use of memory, and finally achieve the efficient...

Is the focus of attention from researchers with the high speed development of economy and the process of urbanization continues to accelerate, atmospheric pollution, ecological environment deterioration problems have become increasingly prominent, many cities have launched a ecological garden city to...

Using image processing, recognition technology and edge extraction technology, the real particle morphology and distribution of TiC/AZ91 composites are obtained, and the finite element numerical calculation model with different particle shapes is constructed. With the help of ANSYS finite element software,...

The pure silica hydrosol and phosphorus-doped silica hydrosol was prepared using sol-gel method with methyltrimethoxylsilane(MTMOS) and tetraethoxysilane(TEOS) as precursors and ammonium biphosphate as a flame retardant(FR) in the presence of hydrochloric acid and cationic /nonionic surfactants in aqueous...

With the consistent growth population and urbanization, the concept of sustainable development will play an more and more indispensable role in city construction. In this paper we set up fuzzy comprehensive evaluation model based on AHP.We begin to choose some indicators to build a metric to measure...

Some times, the input-port of a single supply A/D converter needs a high impedance S/H switch when it does not supply power. Now we introduce a digital logical circuit to realize it. Through this digital logical circuit, when analog input signal is more than 0V, the analog input port to power or ground...

The direction and limitation of desulfurization and denitrification reaction were analyzed by calculating thermodynamic functions, and the reaction mechanism of desulfurization and denitration was proposed. The pollutant removal efficiencies were deduced by the equilibrium partial pressure of SO2 and...

In a proxy re-encryption system, a semi-trusted proxy can convert a ciphertext originally intended for Alice into one encrypting the same plaintext for Bob without seeing the underlying plaintext. However, a fine-grained delegation is demanded in some scenarios. For this, Weng et al. introduce the notion...

Predicting and modeling the water scarcity condition is a complex problem. In this article, the regression model predicting the water demand and supply and the gray relational model analyzing the factors of water scarcity are proposed. Take Henan for example, Henan is heavily lack for water. To remit...

The thermo-oxidative degradation behavior of the B-PF was studied using thermal gravimetry analysis (TGA-DTG) method. Compared with the unmodified resin (PF), the temperature at the maximum decomposing rate of the B-PF resin increases by 54 and its oxidative residues yield at 1000 enhances by 17.99 percent....

Advanced persistent threat (APT) is sophisticated cyber-attack and has attracted lots of attention in cyberspace. Traditional defense measures based on signature matching are insufficient to detect APT, such as Stuxnet, Operation Aurora, Duqu, Flame, Red October, Miniduke and so on. In this paper, we...

Double-stator permanent magnet motor (DSPMM), with special structure characteristics, has many excellent performance features. Firstly, this paper researches the structure parameters of the DSPMM, including the air gap length and pole-arc coefficient. According the research, a DSPMM of the same size...

The flow around a circular cylinder is one of the classical problems in CFD, in engineering will often encounter this kind of problem, such as river flows through Piled Wharves, piers, offshore drilling platform pillar, and all kinds of large-scale industrial equipment and facilities how better resistance...

When entering a new stage of socialism, science and technology have developed rapidly. The technology represented by computer and internet has been used widely in all walks of life. Cloud computing technologies and concepts, as a new invention, not only change the original mode of computing resources,...

Openings on the I-shaped beam web could accommodate pipelines and therefore might cut down the project cost due to the floor height is lower. In this paper, three concrete I-shaped beams are prepared, the sole difference between their is the openings position on the beam web. To compensate the strength...

Calcium hypophosphate is got from sodium hypophosphite and sodium chloride. The internal morphology and composition of calcium hypophosphate particles are obtained by nanometer particle sizer, scanning electron microscope (SEM) and X-ray diffraction (XRD) and also on. The experimental results show that...

In order to simulate the influence of excavation on the whole strength, deformation and failure of rock mass, uniaxial and pseudo-triaxial compression tests on solid and hollow cylinder specimens of marble without inner pressure were carried out with servo-controlled rock testing machine. The results...

This paper investigates a design of a energy harvester that uses magnetic levitation to produce an oscillator with a appendage linear spring. The harmonic balance method is developed to analyze the frequency-amplitude response relationship. The numerical results show that the strength and bandwidth of...

Global rainfall data is very important for water resource research. Current rainfall data are mainly from the rain gauge on the ground, ground radar and space borne passive radiometer. This study assesses the successive Version-6 and Version-7 TRMM Multi-satellite Precipitation Analysis (TMPA) products...

In view of the biomass gasification processes a nonlinear, non-minimum phase characteristics, instability, dynamic process of the characteristics of the large delay and load disturbance, contains a large number of uncertainty factors, accurate mathematical model is hard to express, using a single control...

In the 21st century, ever increasing energy and environmental problems such as pollution, fossil fuel depletion and global warming are ringing the alarm bell to human society. Therefore, clean and renewable energy materials as well as their devices are urgently demanded. In this paper we first give the...

This paper analyzed the vertical transferring process, mechanism and model of Pb in Jiaozhou Bay based on investigation of Pb in surface and waters in different seasons during 1979-1983. Results showed that the Pb contents in surface waters were changing with seasons within year, and Pb contents in bottom...

The Environmental, Social and Governance (ESG) criterion is receiving significant importance and in order to promote sustainability and responsible business practices, ESG is often determined as indicator for measuring the performance of company to evaluate whether the company is meeting the expectations...

PT ABC is company located in Semarang, Indonesia which engaged in cosmetics and castor oil production. One of main product of the company is face powder. According to observation there was a problem occur in the face powder production department. These problems are the results of inconsistent product...

Fires occurring in comparatively closed places like large shopping centers where evacuation is quite inconvenient make great loss, including casualties and destroys of materials. It not only makes people fall into panic, influencing their life, but results in a great economic loss. In the past few years,...

We developed a model for algal growth simulation considering flow disturbance, temperature, light intensity and nutrient concentration. Jinshan Lake, a typical river-connect lake at the middle-lower reaches of the Yangtze River, was selected as the research area. According to the simulations on the algal...

This paper presents a system design of mechanical robotic manipulator with its own sensor end effectors. For the end effectors, they would be fixed with a fabricated micro-nano sensor. This system’s application is to detect specific heart rates of various population by executing a robotic arm action...

The properties of the reservoir sandstone mainly depend on the sedimentary environment and the diagenesis. The thoroughly research on the diagenesis of the sandstone reservoir in the sixth oil layer of the Upper Triassic Yanchang formation has been one of the core geological problems. The comprehensive...

Fuse is the key part of detonate control, and it’s state determines the weapon whether can accord to the scheduled model of initiation to achieve the objective of the damage or not. To achieve the best effect of damage, the fuse detector are used generally to detect whether the performance of fuse...

Based on stepping motor system and the law of fluid continuity, PIV technique was used to measure mainstream flow field in cigarette smoke directly, and the cigarette outlet velocity was obtained at different stepping motor frequencies with different suction pressure. The results show that the velocities...

How to suggest a valid recommend within a reasonable time is the greatest technical challenge for the recommendation system, for which tremendous user cases with high dimension are generated while it runs in real time, and these massive data are too difficult to compute directly. This paper proposes...

Registrations of multi-angle point cloud involve enormous point cloud data, complicated and heavy computation. Previous non-parallel method is strong computing resources demanding and low performance of point cloud global registration. Bulk Synchronous Parallel Computing Model (BSP) processes the data...

This paper summarizes the connotation and characteristics of smart grid, summarizes the current situation of smart grid technology at home and abroad and the development of smart grid on China's significance, analyzes the conditions of China's development of smart grid, pointed out the construction of...

T The modal analysis is one of the most important of the dynamic analyses. Any structure that is analysed at self-weight or without applying external loads is called modal case. In this research paper, there are two modal studies conducted using the numerical method and the finite element method. In...

The regular sensors that are used for TPMS (Tire Pressure Monitor System) are some inaccuracies for collecting parameters. Thus, a new error correction method is proposed to calibrate tire pressure values based on linear regression technology. And based on the way a friendly interactive TPMS is achieved....

The paper studied the effect of tide on the removal rate of COD, NH3-N and TP in the dosing pool in order to provide data to simulate disorderly discharged sewage in tidal rivers. Due to the dilute effect of rivers, the removal rate of COD, NH3-N and TP at the tidal state was higher than that at no tidal...

In view of the problem, To study the curve of the solar shadow over time, the first step is to set each parameter, establishing a mathematical model of the change in length of the shadow, according to the longitude and the time difference work out the real solar time and the solar hour angle are, according...

By means of optical micrograph(OM), X-ray diffraction (XRD), scanning electron micrograph(SEM) and Energy Dispersive Spectrometer(EDS) analysis, the microstructure and phase compositions of Mg-3.7Zn-0.6RE alloys with different cooling speed were studied. All alloys had dendritic structure, the grain...

In order to promote the large-scale use of distributed renewable energy and improve energy efficiency, many countries started to pay close attention to the development of energy Internet. Europe, the United States, Japan and other developed countries has made some breakthrough in the field of energy...

Make concrete with the granite powder-based adglutinate to take place cement. Discuss the effect of substitution amount on concrete performance. With the increase of the substitution amount to cement, the compressive strength of concrete continues to decline; When it completely replaces cement and the...

The propagation and fracture process of void in magnesium single crystal at the nanoscale have been investigated using molecular dynamics simulation and embedded atom method at different temperature. The results show that the temperature has a significant effect on the potential energy and yield strength...

In this paper, measurement process and communication principle of measurement and simulation dual-mode terminal are introduced at first, then, a novel measurement uncertainty evaluation and parameter simulation method is described. According to analyzing the limited measurement results, we get probability...

A statistical analysis method of figurative emotion of decision on micro-blog short text based on content correction is proposed in the Thesis. Based on emotional analysis and statistics of micro-blog short text, model of figurative method on micro-blog short text based on emotion is created when using...

In this paper, we introduce a intelligent temperature control system based on greenhouse. The system include two automatic induction device,which can feel the temperature changes; a solar-thermal heating system with electrical heating auxiliary,that the most important in the system;a tubular lamp for...

In view of the key technology of solving ambiguity of high precision move positioning, due to the traditional LAMBDA method to solve ambiguity, the passage improve and put forward a double-frequency observation model calculating ambiguity wide lane. Combined with the observation model and partial data,...

The stress relaxation behavior and creep rupture property of GH4145 alloy were studied. The results show that GH4145 alloy has good resistance to stress relaxation. During the stress relaxation test at 566 ºC, the coarsening rate of secondary ' particles was very slow and the hardness of the alloy increased...

This article summarizes parts of the work conducted in the Kolarctic ENPI project “Sustainable Buildings for the High North” (SBHN). SBHN had strong focus towards residential buildings performance in the northern Nordic and north-west parts of Russia (Barents region). Results show that there is large...

This paper has carried out some researches on organization method of wagon flow of coal transportation corridor to meet the demand of heavy-haul railway. To improve the capacity of a collecting and distributing system, the optimal problem is described as: coordination of loading capacity and unloading...

Objective To analyze the spatial structure and structure feature, then predict B-cell epitopes of Mycoplasma suis ORF9 encoding protein. Methods The secondary structure, structural feature and B-cell epitopes were analyzed and predicted by DNAStar software and IDEB. Results the secondary structure of...

In today's era of rapid development of science and technology, the various disciplines have made considerable progress, at the same time, the subject and the crossesbetween subject and discipline are more and more ,and this cross becomes more and more complex and diverse. Among them, the mechanical and...

This paper presents the 4~6GHz 6-bit MMIC digital attenuator with low phase shift. Phase compensation techniques were used in the MMIC design to reduce the phase shift. This attenuator is fabricated with 0.25æm GaAs PHEMT process. Simulation results of the developed MMIC chips in the 4~6GHz show that...

For the research of restoring the atmospheric turbulence-degraded images, an estimation algorithm of the point spread function based on singular value decomposition and telemetry prior information is proposed. The experiment shows image restoration effect of the proposed estimation algorithm.

Biotechnology, one of the fastest developments in the century, is creating the diversity of opinions and one of the greatest debates emerged in the field of genetically modified (GM) food. Even though the innovation was developed to tackle the world hunger it still represents unknown concept that can...

Wetland is the richest ecosystem with diversified creatures and also is one of the most important living environments. As the irrational utilization and damage of wetland resource in recent years, wetland resource is experiencing a degenerative process. As a unique ecosystem that is different from lands...

Nowadays, traditional heating systems represented by kang still impact people’s daily life profoundly in rural areas of northern China. While residents in the case of different activities in rooms respectively heated by different heating methods, the heat transfer quantity and exergy efficiency of...

Kerberos protocol is a kind of unified authentication scheme for distributed network environment, which focused on validation functions, not provide complete authorization and access control functions. Security assertion markup language (SAML) is an xml-based framework, which is used to exchange information...

Due to the complex topography and strict requirement for the construction as well as the significant effect, from the stress and strain, on the geometric shape of such a continuous bridge with variable cross-section, it is difficult to control the geometric shape of the bridge without stress monitoring....

In this paper, we addressed the inventory-location model of the distribution network planning based on the actual vehicle 3PL case background. We use the genetic algorithm to calculate the actual data, and evaluate the effect from the demand and cost two aspects. The model deter-mines the number and...

Photovoltaic (PV) power generation has been widely promoted due to the increased demand for clean energy in recent years, but the fires it generates are often prone to cause large negative impacts. Therefore, a machine vision-based fire recognition algorithm for PV panel fire-fighting UAVs is proposed...

Composite (CrAl)N and (CrAlSiY)N hard coatings were deposited on 1Cr11Ni2W2MoV steel substrates by arc ion plating system under negative bias of 0 V, 100 V and 200V respectively. Pulsed bias gave rise to the deviation of elements, the decreased deposition rate, and the change of the preferred orientation,...

In view of problems existing in data acquisition and monitoring methods for environmental chamber test, this paper design a temperature and humidity monitoring system based on ZigBee and SHT11. The CC2530 RF as the core is used to form the wireless network. The sensor nodes carrying the SHT11 transmit...

A state space solution for a partially embedded pile under combined lateral and vertical loads is developed. Two sets of state space equations above and below ground are deduced from Euler-Bernoulli’s and Winkler’s linear elastic foundation beam theories respectively, in which the coefficient of sub-grade...

Waste paper as a new kind of biomass resource was selected as the research object to ferment and produce D-lactic acid in this paper. The components of raw materials were compared between waste office paper and waste newspaper, which were pretreated by shredding, 3% H2SO4 and enzymatic hydrolysis. The...

Angle sensor and positioning orientation device is the basis of achieving the goal sharing and collaborative combat.In order to achieve the absolute angle measurement between the turret and body.The paper presents two possible solutions:the first program uses the non-gap fork lever mechanism,combining...

Regular expression grouping is the practical way to address the state explosion problem of Deterministic Finite Automaton (DFA). Previous grouping algorithms have poor grouping time, and difficult to meet application needs. In this work, we present an efficient regular expression grouping algorithm based...

The US Navy Product Data Standard defines a set of requirements for an effective IPDE, focusing primarily on the traditional data management capabilities and interfaces with CAD/CAM/CAE/CAO, PDM, ERP and catalog systems used for the design, construction and in-service support of Navy ships. The purpose...

Evapotranspiration is the largest component of water loss from storage and has a major influence on all hydrological processes. Based on meteological and hydrological in the upper reaches of the Jinghe River basin, Advection-Aridity model was applied to estimate the actual evapotranspiration from 1966...

A stripe texture with diameter and spacing of 300 m was prepared on the surface of 304 steel substrate via M-DPSS-50 semiconductor laser marking machine. Then, nitriding treatment on the textured surface was conducted by using well type gas nitriding furnace. The chemical composition, surface morphology...

The CNC machining technology is of great significance to the modern manufacturing industry. In this paper, the motion of the CNC machining tool is optimized. In order to solve this problem, we divided into steps as follows: firstly, we take a look ahead velocity curve and deceleration control algorithm...

In order to overcome the shortcomings of slide steering technology, the rotary steerable drilling technology is a new technology developed, this technique represents the highest level of drilling technology development. At the same time, rotary steerable technology is becoming one of the world-class...