Advances in Engineering Research

With the significantly increased exploitation speed of offshore marine resources, marine environmental pollution is getting more and more attention in recent years. Offshore environmental monitoring has become a hot issue in marine ecological environmental research. Wireless sensor networks (WSNs) technology...

Materials in the development of the whole human art design play a role, played by no doubt, penetrating art, life, society and science fields. Molding material is the material base of interior design, as the design of chemical engineering works, whether to use function, or the satisfaction of mental...

Because of the differences of the pull mechanism between the pressure dispersed anchor cable and the concentrated tension anchor cable, the stress states of each anchor cable cell of the pressure dispersed anchor is unable to be monitored by using the traditional anchor dynamometer. In this paper, a...

A synthetic design of (±)vertine and (±)-lythrine was described, and the intermediate, N-protected 2-methoxypiperidine, was synthesized, which contains a protection, reduction and etherification

Considering the exclusive policy and poor energy benefits for multicore processor by Ondemand algorithm, a global DVFS (Dynamic Voltage and Frequency Scaling) algorithm DTACU based on piece energy model is proposed. In order to translate multicore problems to single core problems, an equivalent energy...

The Haerbing-dalian high-speed railway subgrade packing is as the research object. Influence factors of frost damage are analyzed, such as packing soil(size composition,Mineral composition,compactness),moisture,temperature external load and salt content, etc. Through characteristic tests of frost heaving,...

The steel corrosion is usually displayed in the form of cracking and spalling of the concrete cover due to the expansion of corrosion products. Structural distress due to either loss of bond along the steel/concrete interface resulting from splitting of the concrete cover, or reduction of the cross-sectional...

Taken Pseudosciaena Crocea fillets as experimental material, effects of three drying methods on the quality of fish fillet were compared, including hot air drying, controlled freezing-point vacuum drying and vacuum freeze drying. The result showed: when the final moisture content was set to 20%, hot...

Task scheduling is one of the key technology of cloud computing, its main goal is to satisfy the fairness of the system resources and tasks more effectively, and at the same time as much as possible to realize the load balance of system resources and reduce the completion time. Combined with the advantages...

Quadrature scheme is a scientific method of arranging multi-factors and multi-standards, because it can get enough experiment information with less experiment times, so it is suitable  for multi-factor and multi-level experiments. In this paper, the orthogonal test method is adopted to design the test...

The new space-planning solutions are proposed that allowed transferring a tower-type grain dryer from gas to liquid fuel while maintaining the recovery of cooling air and partial recovery of the dryer agent from the lower part of the drying zone. In this case, the drying zone is divided into upper and...

We propose a new method to compute a quintic root of a quintic residue. Then we give a new identity-based signature scheme by the method. The scheme is secure against existential forgery on the adaptive chosen message and identity attacks assuming the hardness of factoring. The scheme is the first identity-based...

The one-year-old wild Actinidia deliciosa seedlings were used as materials, by root irrigation of 0.1æmol-L-1 MT solution and 15 mol-L-1 copper sulfate solution, to investigate the effects of exogenous melatonin on antioxidant properties of kiwifruit leaves under copper stress. The results showed that...

This paper proposes a design for an automated temperature-controlled wardrobe system that integrates multifunctional features to enhance smart home experiences. Beyond basic temperature regulation and organized clothing storage, the system provides tailored daily outfit recommendations based on real-time...

With the rise of urbanization and the awareness of electromagnetic protection improves rapidly, more and more people pay attention to electromagnetic shielding effect of building. In this paper, a shielding room method is used to establish the model. The influence of wall thickness, dielectric constant,...

Iris Feature Extraction Algorithm Evaluation is an important link of evaluation on iris identification system. For the need of optimal feature extraction algorithm according to the identification, this thesis provides an evaluation scheme based on the fuzzy integral model, and builds a relevant evaluation...

ASP flooding has been proved to be an effective method to enhance oil recovery. But residual alkaline in produced liquid have resulted in stable crude oil emulsion, the difficulty of separating oil and water is obviously increased. Based on interface tension experiment, emulsification experiment and...

Frequent high temperature has become an important agricultural meteorological disaster to the middle-season rice yield and quality in southwest China where has hot rainy season and obviously three-dimensional climate. This paper analyses the meteorological data of more than 70 weather stations in southwest...

Ontology integration can be used to solve heterogeneity of different information. Different to the usual global interpretation, distributed interpretation based on DDL is taken to interpret its semantics. A phenomenon called conflict is found on this situation. We define what is conflict and make some...

A series of nonlinear finite element analysis for unstiffened and stiffened plates with initial defect is carried out by ANSYS software. The ultimate strength of steel panels and stiffened plates with longitudinal through-thickness cracks under longitudinal compression is studied in this paper. The influence...

Based on the analysis of difficulties in industrial ecosystem construction, and the advantages of university to conquer the difficulties, this paper proposes the role theory framework of university in industrial ecosystem construction. The theory framework considers that giving full play to university...

Co-digestion is becoming an important method to increase specific biogas production. Co-digestion of cow manure with corn straw was investigated and optimized in this study, and the influence of vegetable residues additive on co-digestion was explored preliminarily. The research was divided into two...

A three-dimensional W-M fractal sliding model of double rough surfaces was established, and the factors of interface shear strength influenced the whole sliding process was considered. The maximum shear stress of sliding processes were analysed using the finite element analysis and taking into account...

In this experiment, Ziziphus jujube ‘Mizao’ was used as the test material, and potassium nitrate which is of different concentrations (3%, 6%, 9%) was used to conduct the breaking dormancy test in the dormancy phase. The treatment with clear water was used as a control to explore the effect of potassium...

Based on distributed algorithm, in order to make it more effective, we hope to optimize certain steps of the algorithm by the introduction of PSO. PSO is one of the swarm intelligence algorithm that has been developed in recent years aiming at multi-objective optimization, which based on the hypothesis...

In the current era, tourism is no longer merely a desire, but it has become a necessity for almost everyone. Tourism activities can not be separated from the relationship with transportation facilities that support these activities. In this study, we would like to discuss how big the role of transportation...

In this paper, design and development of a low profile, high gain dipole antenna using EBG ground plane as a reflector is presented. A broadband dipole antenna is designed and realized in planar form on an FR4 substrate. The feed gap of dipole antenna is modified to have broadband characteristics and...

There are series of car accidents and thousands of losses because of icy roads in cold weather. So thermal water-jet cutting and mechanical milling deicing technology is developed and researched.It means that road is jetted with hot water and then the ice is removed by using milling cutter. The shape...

In recent years, based on that the research and application of the open stoping with subsequent fill continuous mining method of "two step" model is getting more and more attention. The design of the strength of cementing filling body of the first step ore room is especially important under the condition...

To analyze the performance of automated Interbay material handling system in semiconductor wafer fabrication system, an Object-oriented and Colored Timed Petri Net (OCTPN) model was presented. The model could describe the practical hardware and operation considerations of Interbay system, such as transportation...

For large heavy-duty rotary table, in order to improve the machining precision of the workbench in practical work, the workbench is usually set above the oil film with stable thickness. Therefore, the accurate measurement of the oil film thickness of the workbench hydrostatic guide rail is very important...

The development of the network communication platform of university teaching management system is researched to improve the efficiency of college educational administration management, and promote the sharing and scheduling of academic resource information. University teaching management platform includes...

Urban Heat Island has become a popular issue in recent years due to various problems caused by environment degradations. Many researchers have done lots of efforts to optimize the outdoor environment, including simulation models, field measurement and case studies. There are few studies research on the...

Xi'an has a long history and rich culture. It is China's inland center city, and also the typical of the inland cities. Development of Xi'an urban spatial structure follows the urban master plan, its development process could be divided into four various stages. It is a process: a single center–multi...

Based on the field investigations in the past and all published literatures, we studied the faunal composition and distributional pattern of Miridae (Hemiptera) from the Hulun Buir City, Inner Mongolia of China. In total, 122 species, which belonging to 4 subfamilies 51 genera were recorded in there....

On the purpose of measuring Newton rings deformation stress and the intelligentialize of the newton rings apparatus, a Variable Gain Amplifier circuit which is based on a low power, general purpose instrumentation amplifiers INA128 offering excellent accuracy was designed to amplify the low frequency...

Anti-lock Braking System (ABS) is a system that automatically adjusts the braking force of the wheels when the vehicle is braking. It can prevent the wheels from locking to obtain the best braking effect, and improve the directional stability of the automobile. In the paper, the ABS system models based...

Nowadays, the corn harvester has a variety of forms, including horizontal, vertical, and combinational pick roller, etc. New maize Corn harvester with 9-line designed in this paper, the header using the horizontal pick roller. In this paper, cutting machine is designed for spacing can be adjusted, cut...

In this paper, the major research contents include improving the properties of phenolic foams through making urethane oligomer modifiers. Various characterization methods were adopted to analyze the properties and microstructure of phenolic foams. Finally, a new type of phenolic foam, which has good...

High performance cluster need to consume lots of power. High power consumption is an important factor that restricts the development of system in both technical and economic ways. The power control technology has become a hot issue in the area of high performance computing systems and data center management....

Chaos is the uncertain phenomenon of certain systems in evolution, while entropy, as the best quantization parameter of uncertain property, is very important for entropy properties comparison of different one-dimensional chaotic maps.Compare entropy properties of different classical chaotic maps separately...

For the research of a certain unmanned aerial vehicle's inertial navigation system and flight control system, a simulation system of the three-axis turntable is designed. This system adopts host computer and turntable control computer. S-Function with C++ language is used in the host computer to establish...

A new kind of optimal PID control method was proposed to solve the attack angle tracking problem of hypersonic aircraft . Both the control of attack angle and speed of aircraft are realized by the optimal PID control strategy. And a kind of integration of error method was used to mark the performance...

The technology content railway companies increasingly urgent need for a large number of highly educated, professional and technical personnel to master modern technology. In this paper, the social background of China Railway Development to explore on rail traffic signal and control professional goal...

A synthetic design of Entecavir was described, and the intermediate, (S)-N-methoxy -3-((4-methoxybenzyl)oxy)-N-methylpent-4-enamide, was synthesized using acrylaldehyde as the starting material, which was obtained via an Evans Aldol reaction, Weinreb amide formation, and a PMB protection.

In this paper the whole design method of an integrated bump inlet with an S-shape diffuser at its design Mach number 1.7 is presented. The model of the intake system with airframe is established based on the aircraft's flight task requirements. Then CFD analysis result indicates the low-momentum boundary...

By substituting a considerable amount of diesel fuel in diesel engines, combustible biogas is considered to be a renewable and promising alternative gaseous fuel. In this paper, biogas was made from agricultural and forestry residues with a gasifier. Its high quality was ensured by the process of cooling...

Based on the multimodal discourse analysis theory and constructivist learning theory, the paper embarks from the English teaching of ESP (English for specific purposes) professional and comes to the conclusion that IM ( instant messaging) software is not only the physical tool of interactive communication,but...

The addition of nano-SiO₂ to 20% silane coupling agent is carried out using anhydrous ethanol as the solvent in the presence of acetic acid. The styrene-butadiene-styrene (SBS) is added with 1% dicumyl peroxide crosslinking agent by adding 5% maleic anhydride grafted polyethylene to be modified on an...

The highway widening on soft foundation is a new stage of the highway construction, which will be an important issue for country to solve urgently and has to solve at the start of this century. The highway widening on soft foundation inevitably involves the combination of new and old road, the connection...

Set up the framework of the forestry information systems software custom development platform based on open source software. Implements the data, general template, tools coarse-grained components of sharing. At the same time, the framework component coupling, convenient for function extension and modification....

Using one-year-old wild Actinidia deliciosa as the experimental material, effect of melatonin (MT) on the antioxidant system under heavy metal Cd stress was studied. The results showed that after Cd stress treatment, the relative electrical conductivity, MDA content, proline content, soluble protein...

Based upon the synopsis of electronic information system and information services, this paper puts forward the attributes and the logic structure of information service, sets forth the service architecture of electronic information system, and presents a series of measures to improve information service...

Due to the non-linearity, randomness factors in the process of actual control, we always can't get the accurate mathematical model of controlled object and the disturbances from outside may also cause serious influence to the controlled system, in this case using the conventional PID controller often...

Information about value and distribution law of stresses along tooth root of gears allows one to estimate loading capacity and durability of gear transmissions in real operation conditions. The paper considers new original means for determination of stresses in tooth roots - Integral Strain Gauges. Results...

Considering the requirements of water sealing between pipes and control precision, the pipe roof currently implemented are all straight. Due to some special construction conditions, the pipe roof method needs to break the limit of linear condition. This results in several problems such as increasing...

In order to study the handling and stability performance of a three axle vehicle, a linear 3-DOF is established based on the vehicle's roll motion. The simulation test model is built by Simulink software, and the correctness of the model is proved by comparing the experimental results with the results...

The article discusses the specific features of implementation of precision farming technologies on cultivated slope lands. Culti-vated slope land is a natural-territorial complex, the natural vege-tation of which is mostly replaced by agrocenoses. Because of their ecological instability, the complex...

To study the effects of "Zaofengling" on the fruit retention and quality of Zizyphus Jujuba ‘Zhanshanmizao’, the experiment measured the fruit drop rate and quality of Z. Jujuba ‘Zhanshanmizao’ by using different concentrations of "Zaofengling". The results showed that "Zaofengling" could reduce the...

Due to limited energy of sensors, existing data integrity protection mechanisms for wireless sensor networks (WSNs) typically use a simple hash function for signing and verification. However, since the computation cost of hash function depends on the length of the input data, this cost may be high for...

In this paper, a simple backstepping control method is designed for a class of simplified linear model of saucer-shaped aircraft. This method can solve the non-minimum phase problem for the control of the aircraft by means of matching the two gains. The advantage of this method is that there is no need...

The perception of construction activities is crucial for intelligent construction and management. Visual data acquired through surveillance cameras on construction sites is rich in information but faces challenges such as low information density, complex analysis, and high storage demands. Construction...

The waste heat boiler has been extensive application following the implementation of the national ‘dual reduction’ policy. However, certain installations may experience uneven subsidence due to inadequate foundations and substantial load. The effects of uneven foundation settlement on the structural...

Risk assessment is a critical step for the robust operation of an information system. We incorporate machine learning and statistical theory together in risk recognition and evaluation to accommodate the dynamic and complex characters of information systems. first, SVM classifier is employed to recognize...

The coal mining and the development of urban underground space have leaded to the differential settlement of the building and its damage to buildings should not be ignored. In this paper, the frame structure finite element model is made by ANSYS which considers two conditions including settlement range...

The interconnections of regional power network, wind power and other new energy connected to power grid make the operation of power grid more difficultly. The stability of power grid frequency mainly depends on primary frequency compensation (PFC) and automatic power generation control (AGC) of thermal...

In this paper, a pulse width modulation (PWM) control approach to speed trackong control is developed for the three-phase induction motor in electric vehicles. The PWM technique is amployed to design controllers. By incorporating the three-phase bridge recifier into the motor based on the PWM technique...

Biswas proposed two protocols based on the two-party Diffie-Hellman technique: (1) key agreement with multiple two-party keys and (2) a contributory group key exchange protocol. Then, Tseng and Wu pointed out that the second protocol has a security weakness and proposed a new protocol to remedy the weakness....

In order to study the Scheduling of quay cranes and tractor in container port, this paper establishes the simulation model of container port’s (un)loading operation by use of container port’s simulation software FlexTerm. The mixed loading operation and independent (un)loading operation in different...

Hot pushing pipe bending, horn mandrel, elbow pipe, Archimedes spiral cord.

Reasonable reactive power compensation is very important for the transmission and distribution system, the current main dynamic compensation for the TCR SVC, MCR SVC and SVG three ways. In this paper, the working characteristics and basic principles of these three methods are introduced, and the development...

Due to the nonlinear deformation of nonrigid and nonuniform tissues, it is challenging to accurately measure the displacements of feature points distributed on the inner parts, boundaries, and separatrices of tissue layers. To address this challenge, we propose a feature point matching technique called...

It is of great significance to extend the android SL4A video camera service to pc desktop and mobile phone applications for the scripting languages, such as JavaScript and PHP. In this paper, we propose a method based on SL4A, script language and HTTP communication protocol to expand SL4A video service,...

In order to address the ecological challenges posed by overhead electrified highways, including the reduction of driving lanes, the exacerbation of extreme weather events, and the incompatibility with inner-city environments where overhead resources are scarce, three prefabricated and assembled new bridge-tunnel...

In order to study the stress and deformation characteristics of concrete cutoff wall in deep overburden foundation and the influence of seepage-stress coupling on the cutoff wall, combined with a practical project, using Abaqus finite element calculation software, the whole three-dimensional finite element...

Uniaxial tension capacity was tested on the two groups of PVA reinforced cement composite with fly ash and silica fume. The results indicate the specimen mixed with Grade I fly ash has higher tensile strength and better strain hardening ability. Compared with the specimen without silca fume, the initial...

Minimum Quantity Lubrication (MQL) is now being used in some advanced manufacturing processes. Application of MQL reduces the pollution caused by using a large amount of cutting fluid, and makes the working environment become better. However, the conventional lubricants used in MQL result in poor cooling...

Metal oxide electrical contact materials because it has excellent corrosion resistance, good weldability, high conductivity and high thermal conductivity, in the general application of relay is more and more common. In this paper, the research of system adopts the technology of the preparation of AgSnO2...

In this study, aiming at road boundary detection problem of driverless cars in structured and semi-structured roads, the paper proposed a new real-time road boundary detection algorithm based on driverless cars as a platform. The algorithm firstly included following steps: calibration, layered and median...

In order to accurately diagnose the fault type and location of CNC machine tool spindle, aimed at XKA714 CNC milling spindle's vibration characteristics, the article Uses the test analysis methods, Analyzed the Frequency characteristics of spindle system, and Achieved the vibration signal and vibration...

The paper introduce the photolithography technology. First, the writer explain the process of photolithography. a modern wafer (form IC) will go through a photolithography cycle up to 50 times, some 100 times more. then, the article illustrate photoresist , photoresists are classified two groups :positive...

a novel content-based image retrieval framework was presented in this paper. This framework is used to encode primary visual feature and saliency information as natural image features by simulating visual attention mechanism and using the conditional probability. In this framework, the color volume is...

Blade is one of the core components of the aero-engine, which requires a high degree of geometric dimension precision, so strict geometric shape detection and evaluation is very necessary to guarantee blade machining quality. Twist error is one of the important parameters of blade quality evaluation,...

Capsaicin (8-Methyl-N-vanillyl-trans-6-nonenamide) is an active compound found in plants from the genus Capsicum. Genus capsium posseses different species of red chilli (Capsicum annuum Linn), green chilli (Capsicum annuum var.annuum) and other varieties that are familiar in Indonesia. However, the plants...

A sensitive in-situ oil measurement scheme in seawater, consisting of the optical system, the photoelectric detection circuit system, the data acquisition and control system, is proposed to facilitate the measurement of the oil in seawater. It has long been supposed that there must be a linear relation...

An ultrasonic microdialysis coupled with online capillary electrophoresis electrochemiluminescence method has been established for the sensitive determination of plasma protein binding. The drug and blood plasma were mixed in different molar ratios and incubated at 37 °C in 10 mmol/L phosphate buffer...

In this paper, the change of water temperature in the bathtub is mainly studied. Through the simulation of the water temperature distribution in time and space and the construction of the thermal conduction model, we discuss the water injection scheme. According to the Fourier's law and Newton cooling...

Pullulan is a linear homopolymer composed of maltotriose subunits interconnected with a-1, 6 glucosidic linkages and one of such commercially emerging biopolymers and synthesized by a yeast-like fungus A. pullulans. Pullulan's solubility can be controlled or provided with reactive groups by chemical...

The fatigue strength of a railway vehicle bogie frame is evaluated by different methods, which include endurance limit approach and cumulative damage approach. Haigh-Goodman and Smith-Goodman diagram in general standards are used in endurance limit approach, and four linear damage methods are considered...

To get the optimal productivity, the speed change law is studied for the 400 horsepower wheeled tractor equipped with hydro-mechanical continuosly variable transmission (HMCVT). The tractive power are proposed as the evaluation indexes of the producitvity of the tractor. Based on the load resistance...

In this paper, we propose a SDN based on the information network architecture to solve the problems existing in the current network, and try to avoid the problems existing in the information network. First the research development on the SDN technology , the information network were detailed introduction...

Due to the lack of theoretical basis for the design of inverted arch, the inverted arch design of many tunnels is not reasonable, and the problem is more prominent in the design of the shallow buried tunnel. By analyzing the relationship between the soft foundation and the stability of tunnel structure,...

Ni P Al2O3 nano-composite coatings were successfully fabricated on a P20 plastic die steel surface by electroless plating process containing sulfate nickel, sodium hypophosphate and suspended Al2O3 nanoparticles. The pH value and temperature of the electroless bath were 4.5 and 87§C, respectively. The...

With the aim of supervising the use of AI methodology in banks and consumer or client answers, this article centers on artificial intelligence (AI) in Hyderabad’s banking and financial services. The massive adoption of digital payment and banking has the potential to provide financial institutions with...

With mobile and pervasive computing prevails increasingly today, applications and services in smart spaces should quickly sense the context and adapt to context changing in highly dynamic environment. Personized services are also needed. Now many context models were build according to specific smart...

A mathematical model of resistance type superconducting fault current limiter (R-SFCL) is established and the influence to power frequency variation distance relay has been analyzed firstly. Then, it indicates that the input of the superconducting current limiter changes the circuit model before and...

This paper mainly discusses an impulse control problem where the drift of dynamics is not only quadratic but also constrained in the control variable. We establish the HJB equation to get the closed form of the value function. At the same time, we obtain the optimal control in some case.

Based on the synopsis of electronic information system and technology readiness theory, this paper puts forward the technology readiness model and the technology readiness levels of electronic information system, sets forth a series of technology readiness criteria, gives an application of technology...

In this paper, we conduct research on web development paradigm based on MVC pattern and agile development mode. At present, the technology of the development of web sites have a lot, from the initial CGI, now to the widespread use of ASP, PHP, JSP, ASP.NET, etc., each technology has its advantages and...

Aiming at the special situation of high level tunnel under the in fluence of mining in Xieqiao coal mine 21116 working face,the theoretical analysis,numerical simulation and field measurement is taken to analyze it.And it reveals the overlying strata movement rule and mechanism of high level tunnel under...