Advances in Engineering Research

urban power conveying at present most of the use of underground channel and tunnel laying cable transmission, in order to ensure the power transmission of real-time, stability and continuity, we developed a robot tunnel for real-time monitoring of cable tunnel. This paper introduces a hardware solution...

Based on the 45 rainfall runoff samples that are collected from Qingdao residential area after the raining of July 22, 2014 and September 28, 2014, this paper tests the contents of heavy metals Cd, Cu, Pb, Zn and Mn. And based on the test results, this paper further analyzes event mean concentration...

The zero-voltage-switching combined DC/DC three-level converter, just has six switches, and the voltage stress of all switches is ensured to be only the half of the input voltage, especially suitable for high-voltage input situations, and the converter can reduce the output filter significantly at the...

The assembled foundation of power transmission line, which is composed of concrete lath and angle steel scaffold, has been applied in practice. But due to the gap of laths, the bottom area of the foundation is not clearly defined when calculating the compressive load. Theoretical study on the ultimate...

The characteristics of diversity, dynamic, heterogeneity, massive data volume and distribution of geospatial information under internet environment are challenging the traditional geospatial information services. The appearance and development of grid computing provide a reliable environment for the...

Lateral diversion from an open channel is a common flow regime and easily produces swirl which causes large head loss. The previous research mainly focused on the split flow about the fixed shapes of channel and small slopes. The paper investigated the local head loss at the diversion gate under three...

This paper presents a uniform design methodology for computer aided experimental design for intumescent fire-resistant coating (IFRC) formulations, exemplifies the benefits of using experimental design together with statistical software to facilitate the optimization of fire retardants in a formulation...

Mine planning and design require large amounts of the data; these can be handled very well by the application of suitable hardware and mine planning software. These mine planning software offers a complete 3D-dimensional visualization of the deposit and mine, allowing for any orientation to be rotated,...

In the process of use, cold-formed thin-walled steel composite floor should undertake the upper floor vertical load, transfer wind load and seismic force to the shear wall, so that the composite floor must have good bearing capacity. However, using theoretical derivation to calculate the bearing capacity...

There are many disadvantages in the traditional teaching management mode, which can not meet the needs of the rapid development of today's information technology. Relying on the campus network as the background, the use of advanced information management platform, the development of a set of open laboratory...

In this paper, K-means clustering algorithm is applied to the classification of college students, by which studies college students’ organization form and then discovers new college students’ organization from. By means of defining students’ attributes, the whole text quantities and normalizes those...

Alkali lignin is an important biorecourse. Its low reactivity and indissolubility in water make it difficult to be utilized. In present study, we verified dissolving capacity of [Bmim]Cl and researched the effect of some influencing factors, such as time, temperature and the amount of reactants, on the...

The technique of smooth connections between quartic Bézier curves with shape parameters and cubic H- Bézier curves is investigated. Based on a study of their basis functions, endpoint properties and shape analysis, the continuous connection conditions between quartic Bézier curves with shape parameters...

The valve cooling system of converter station plays a very important role in the DC transmission project, and it is important to keep the system stable running. It is found that great scaling difference appeared among three spray towers of the valve cooling system in Tianshengqiao converter station during...

The saturated magnetization and coercive force of TP347H tube from SC units and is temperature oxidation have been measured by vibration specimen magnetometer. The oxidation has higher Ms and lower Hc compared with the base metal of TP347H. The basic difference of the oxidation and the stainless tube...

The Japanese language proficiency test is the largest Japanese examinations in the world. This paper based on the NHibernate technology of .NET platform for the score management system to conduct the persistence layer design, to provide technical support for software development. Firstly, research on...

Study the optimization of aero-engine PID (Proportional-Integral-Derivative) controller parameters. In order to improve the tuning accuracy on aero-engine PID control parameters for the optimal solution, this paper presents a genetic algorithm-based PID parameter tuning method. Because the choice of...

The multistage centrifugal pump is mainly used for urban water supply and residential water, which not only achieves excellent hydraulic performance, but also has higher requirements for noise reduction. This paper focuses on the calculation of the hydrodynamic noise of multistage centrifugal pump, including...

This paper measured the influence factors on wireless channel by setting a inside wireless environment and some test models. For the same environment, the power of received signal is reduced as the increase of the distance between transmitters and receivers. The values of path loss is between 2 and 4...

By collecting and analyzing the users' information behavior, the users' real interest can be obtained, and the recommendation of users' need can be generated. This paper explores the basic concept and the related technology of personalized recommendation. On that basis, this paper proposes a personalized...

The fracture toughness of No.45 steel before and after corrosion is studied in this paper.Two experiments have been carried out about hardness experiment and COD experiment before and after corrosion. And the influence of corrosion condition of the hardness increment and fracture toughness is analyzed...

With the speed of the development of science and technology speeds up unceasingly, the traditional technology forecasting often limited the price of large, long cycle. This paper proposes a new subject to carry out technology foresight and industrial path planning research---extenics. Extension through...

The effectiveness and deterrence of food safety punitive damage system in China have been widely questioned in academic circle. Based on the Prospect Theory, this paper gives an analysis of the causes of frequent food safety incidents with the current punitive damage system in China. Simulation analysis...

Web service composition has been an important research topic in the field of service computing. Through the web service process modeling and the formal verification of the composition, we make sure the composite services meet the designer’s anticipated targets. Pi calculus is process algebra which is...

Aiming at the existing problems of the current methods in the area of guidance instrumentation error separation, such as the multicollinearity impact, the large noise effect and the low accuracy of separation results, a brand new algorithm is proposed. Firstly, basing on the advantage of wavelet analysis...

The electromotor shell is analyzed by the finite element method. The result shows that vibrations of exterior and the top of the shell produce the shell vibration. The rib reinforcement type and the surrounded structure are designed to optimize and ameliorate the prototype structure. Then vibration and...

Tomato fruit contains a lot of pigment, polysaccharide and secondary metabolism substances. These substances can affect protein separation effect, and interfere with the process of two-dimensional gel electrophoresis. The extraction of tomato fruit protein sample, conditions of isoelectric focusing and...

The assembled foundations of transmission lines can effectively promote the standardization, modularization and mass productions of tower foundations. Meanwhile, they can ensure a higher quality, improve the efficiency and mechanization level of construction, and make innovations in the construction...

In recent years, the global energy supply tends to be tight, the environmental problem causes the widespread concern, the traditional automobile malpractice gradually appears, the government pays more and more attention to the energy saving and emission reduction, has brought the new opportunity to the...

The standard method to determine industrial effluents color is multiple dilution method which has defects of reproducibility, obscure endpoint of dilution, and subjective influence. For this, based on the theory of complementary color, an integral spectrophotometry method was proposed to determine the...

The post-construction settlement of soft soil subgrade is one of the main problems of railways and highways that troubling builders and designers. Reducing the post-construction settlement has a great significance. This article presents the treatment and precautions of design. Finally, it gives a brief...

Plate heat exchanger is a kind of compact heat exchanger, which has high heat transfer coefficient and compact structure and is easy to wash.In recent years it has been widely used, but also has the disadvantages of big flow resistance.In this paper the numerical simulation is performed by using the...

Personalized information recommendation service of library had becoming an important research task. This paper divided library users into new users and other users. It proposed the recommendation strategy based on user segmentation. On the base of these, it designed a personalized information recommendation...

The rotor non-isotropic produced nonlinear vibration of aero-engine in windmilling would cause serious danger to flight security. So the research of vibration character in windmilling should go further. In this paper, the kinematic equation of the rotor/stator/wing system is established based on Jeffcott...

With the increasing demand for contactless power supply in modern electronic devices and electric vehicles, wireless power transmission (WPT) technology has attracted significant attention as a promising solution. This paper studies the frequency fork and influencing factors in Wireless power transmission...

The mixture model based on the Euler-Euler approach along with the standard k- turbulent model was employed to predict the two-phase flow and heat transfer in the external cyclic purification hot-dip galvanizing bath. The arrangement of the return and pump pipes was assessed to determine its effect on...

Atmospheric pollution is influenced by many uncertain factors, such as the content of pollutants, wind, etc., Therefore, one given environment system can be considered as a grey information system. In this paper, According to the monitoring data of atmospheric pollution in Shijiazhuang city of Hebei...

In the disturbed case, since the parameter tuning method is imperfect, there have been issues of excessive overshoot and adjusting time in MFAC. To optimize MFAC controller, a MFAC-ABC is proposed, with ITAE criterion as the fitness function, and key parameters of _kand are optimized and tuned using...

By incorporation of silica fume, magnesium oxychloride cement(MOC) with high water-resistance property can be formed. Here, the effects of silica fume on compressive strength, water-resistance property, hydration product and microstructure were investigated. X-ray diffraction and scanning electron microscopy...

Simulation of pedestrian evacuation flow in a room with fixed obstacles is presented based on cellular automata (CA) in this paper. Pedestrian moving rules are established, according to two-dimensional cellular automaton Moore neighborhood. The dynamic parameters are formulated to simplify tactically...

An automatic monitoring system which is based on the Internet of things is designed to resolve the singleness of function and of agility of the traditional system. The system is constituted by several modules of pressure, water level, temperature, serial communication and touch screen control. The device...

This article uses Interpretative Structural Modeling Method(ISM) to build deep learning promotion structure diagram of the influence factors, then uses Analytic Hierarchy Process(AHP) to determine the relative importance of various factors, according to the evaluation results it is concluded that the...

With the pace of development of science and technology continue to accelerate, the traditional technology foresight has been often limited by it's long cycle period and large expend. This paper presents a new model in a traditional method acting that --- Ant Colony Algorithm. Facing the basis problem,...

Abstract— This paper introduces the detection of laser ultrasonic visualization. It describes the working principle of cylinder sleeve and the formation causes of defects. It bases on the use of LUVI technology to check the defects by experiments of cylinder sleeve, and the experimental results are analyzed. Finally...

The outer surface of the continuous caster brass processing, for example, research and discussion process for the grinding of non-ferrous metal surfaces.

Course information database in selection course system occupies an important position, database design is an important part of software design, but also it is also the key supporting software system running, it is the starting point for software design, plays a decisive role in the qualitative change....

We use the nanoimprint lithography to construct nanostructure on the surface of double metal Au electrode. Through the analysis of the influence of different processing parameters on the machining dimensions, we can arbitrarily control the structure size of the nano-pattern. By natural oxidation in air...

Nonlinear composite insulator voltage distribution is big, the umbrella skirt interval is small, this brought difficulty to defect inspection of composite insulator. Article is studied based on electric power within the composite insulator type defect inspection technology, the principle of uv pulse...

In this paper, we described the process study about the pre-processing parameters of litchi slag. After investigating the influence of single factor and the orthogonal experiments, we obtained the optimum process parameters. The optimum process conditions of cellulase hydrolysis is X12X23X31X42 (hydrolysis...

To study the influence of local geometric feature on circular plate’s sinking performance in the soil, radial and circumferential grooves are added at the bottom of circular plate separately. Smoothed particle hydrodynamics and finite element method(SPH/FEM) are used to simulate the sinking process....

The paper selects distributed solar water heating system of certain high-rise house in Jinan City as research object, its field performance test and energy efficiency assessment are made, obtains annual solar guarantee rate and conventional energy substitution quantity of solar water heating system of...

The primary aim of online monitoring system of sewage treatment in Kunming, this system is built basing on Web Service Structures, is real-time monitoring of water quality parameters so that the changing of water quality can be easily known. The mission of this system focuses on receiving and managing...

Strata control is one of the major challenges in underground coal mining and needs special attention during depillaring operations. Depillaring in underground mining is generally a complex operation, which became a major contributor to accidents as per past experiences. The study of strata behaviour...

Mixed flow fields of water and low density particles in the stirred tank of the single size six-blade ruston turbine are calculated by the large eddy simulation and multiphase flow model. The effect of the mounting location of the paddle on two phase flow field is studied. The result shows that with...

Tunnel engineering is an important part of the development and utilization of underground space especially in the city. To alleviate traffic pressure, improve the efficiency of traffic greatly. This paper will use the numerical simulation software FLAC3D, to simulate the Subway tunnel excavation. Analysis...

Aiming at the problem of common-frequency jamming between airborne radars of same model, oblique projection polarization filtering technique was introduced into common frequency jamming countermeasure. The basic principle of oblique projection polarization filtering was analyzed; the anti-interference...

A pot experiment was conducted to study the effects of grafting on photosynthetic characteristics of potential Cd-hyperaccumulator Solanum photeinocarpum under Cd stress. Four treatments were used in the experiment: ungrafted (UG), self-rooted grafting by the same S. photeinocarpum seedling (SG), self-rooted...

Adaptive algorithms are widely used for acoustic echo cancellation (AEC). In this paper, an efficient switching tactic with advantageous features of NLMS and APA is proposed for AEC application. Switching points are decided by employing a smart voice activity detection scheme based on speech utterance....

Performance evaluation of listed companies can not only display current operating conditions of enterprises, but also reflect future direction of optimization of listed companies. To find a simple, reasonable and effective express listed enterprise performance evaluation method is particularly important....

The numerical simulation of the hydrostatic bearing of the fluctuating load is carried out by Ansys cfx. The variation law of the oil film thickness with the load is obtained and compared with the static formula. It reveals the influence of periodic variation of the load displacement interface table....

temperature measurement instrument is based on thermocouple, with AT89C51 single chip as kernel. Dedicated chip max6675K for cold junction compensation of thermocouple is adopted to perform cold junction compensation to K-type thermocouple and to perform amplification, AD conversion and digital processing...

Multi-criteria evaluation (MCE) is the main method for failure analysis of buried pipeline. In multi-criteria evaluation, the effect of weights on results is obviously. In order to reveal the internal mechanism of the influence of weights, detailed analysis of criteria and order weights were carried...

In order to meet the diverse needs of geographic location scenarios, a diversified location-based smart phone APP is designed and implemented. The app is based on the Android platform, using the Baidu Map API as a tool to achieve real time monitoring through the active push of geographic information.It...

A clear grasp of vegetable price transmission mechanism and the ability to make early warning for vegetable price are important for guaranteeing the effective supply and stabilizing the market price of vegetables. Therefore, it is of great significance to conduct a research on vegetable price transmission...

Acoustic fault diagnosis system of diesel engine is based on the analysis of the measured sound signals and try to extract the fault information contained in the signals which can be able to characterize the fault, and the contents of the research relates to the separation and feature extraction of the...

In this study, a catalyst was fabricated based on Pt nanoparticles on MoS2/graphene (MoS2/GN). The Pt-MoS2/GN was formed from graphite by modi ed Hummers and Offeman’s method, hydrothermal method and polyol synthesis method. The graphene oxide (GO) sheets were synthesized by modi ed Hummers and Offeman’s...

With the development of social economy, the problems of urban traffic has become increasingly prominent. It is necessary to pay attention to the traffic planning. Traffic assignment is an important content of traffic planning. The route choice of the traveler is the focus of traffic assignment. In the...

Aiming at the phenomena of evaporating, emitting, dripping or leaking of offshore oil platform, optical image acquisition device is used to carry out continuous unattended monitoring and effective oil spill identification algorithm is utilized to monitor and identify offshore oil spill. This paper focuses...

In this paper, a soil cutting test rig was developed equipping with two force sensors and a displacement sensor. The equipment could perform measurements continuously at various cutting speeds when the cutting tools worked in the soils. The cutting tool is a rectangle blade. It can moves horizontally...

A novel quantum-inspired approximate dynamic programming algorithm (ADP) is proposed for solving unit commitment (UC) problems. The quantum computing theory is applied to tackle some new issues rising from ADP. In details, the unit states in UC problems are expressed by the quantum superposition. Then,...

Power control unit (PCU) is the controlling center of space satellite power system; it controls the energy that output from solar array and batteries and the power balance of the whole satellite. The circuit board, components and power tube in PCU is working in a long time and in high power situation,...

The design principle and structure of the wireless data transmission devices used for power transformer on-line calibration was described in this paper, design ideas and processes of the low-power hardware and software was introduced in detail. A prototype of the low-power and high anti-interference...

The installation angle determined by the radiation of the sun usually affects the use rate of solar energy. In or-der to find the reasonable installation angle of the PV array, this paper applies data fitting method in PV power generation, and takes a sample of a year’s solar radiation data to analyze,...

Objective: To make a study of the key factors from the Src to the nuclear transcription factor ERK signaling pathway as the target and to explore the role of DEC1 mediated ERK signaling pathway in cervical cancer and its mechanism. Methods: On the basis of screening DEC1 positive cells, the Hela cells...

To gain a deeper understanding of damage evolution in carbon fiber-reinforced plastic (CFRP) composite materials, This paper addresses an application of recently developed Hilbert–Huang transform (HHT) signal processing technique on acoustic emission (AE) signals feature extraction of damage Mechanism...

Due to the defects in composite insulator failure caused by more and more, it is necessary to detect defects in charged composite insulator. Composite insulator were summarized in this paper, detail defect in charged the research situation of detection technology, this paper expounds the several typical...

In this paper, we investigate the oscillation of second-order half-linear neutral dynamic equations with distributed deviating arguments. By using the generalized Riccati transformation and the inequality technique, we establish some new oscillatory criteria for all solutions to second-order half-linear...

Along with the advancement of the construction of ecological civilization, low-carbon economy and low-carbon tourism are increasingly affecting the production and life style of human beings. Low carbon tourism is in the process of tourism development, through the use of low-carbon technologies, promote...

In order to obtain the response of nonlinear structural dynamic system effectively, a linear, time-varying approximation method is proposed in this paper. The technique is based on the replacement of the original nonlinear system by a sequence of linear time-varying systems, whose solutions will converge...

Modified chinese walnut shell is a kind of adsorbent, this study using the adsorption of Cu2+ , Cd2+, Hg +, Cr6+ metal ions modified chinese walnut shell, on the desorption studies. The acid treatment of modified Chinese walnut shell, heavy metal desorption rate is above 90%. Show that H+ play an important...

Failure analysis of underground casing pipe is very important for engineering protection. Failure of underground casing pipe is affected by many factors, and shows very strong spatial variability. Therefore, a predictive model is constructed based on geostatistics, in which spatial variability is taken...

With the development of technology and the progress of life,gas energy play a more important role in our daily use. The transmission process is a key part of the security use of energy. In the transport process,the flame velocity caused by the combustion of enengy have a crucial impact on the pressure...

Bidding is a major event that affects the construction companies’ survival. This article will propose recommendations on the purpose and principles of bidding, the cost control, and how to improve the input-output ratio of the bidding process.

The “passive house” was first presented by Prof. Adamson (Lund University, Sweden) and Dr. Wolfgang Feist (Germany) in 1988. Nowadays, “passive house” has been widely used as a kind of a low-energy consumption and high comfort energy saving building around the world. In 2014, the Passive and Low-Energy...

In this paper, we investigated the performance of multiple elements array system such as receive power, signal correlation, channel capacity, and etc., in the presence of mutual coupling based on microwave network theory analysis. Combining S-parameter method and network analysis, the performance of...

With the rapid development of smart grid, the alarm management method used in the existing smart power communication network cannot meet the logical requirements of the new business in the network. So this paper introduces an alarm correlation analysis method based on Bayesian network. Firstly, the structure,...

Melatonin is a small molecular substance widely found in higher plants and can improve plant resistance to stress ability. To investigate the effects of melatonin on the response mechanism and drought resistance kiwifruit seedlings, one-year-old seedlings of kiwifruit and root irrigation method were...

specific to semi-supervised learning method based on graph ignoring the problem of video correlation in research and application of multimedia, a kind of video annotation algorithm based on related kernel mapping linear neighborhood propagation is put forward. Firstly, the propagation coefficient of...

Legal ontologies have made significant progress during the past 20 years, however, few of these ontologies have gone beyond the stage of advanced and refined prototypes. When building legal ontology, the challenges are not only from the deficiency of the ontology techniques, but also from the inner legal...

Gear box of the gear crack is the failure forms of gear transmission frequently. Wavelet neural network has the perfect theoretical system, clear the algorithm process, the powerful data identification and simulation function. As traditional gradient descending method of wavelet neural network is easy...

As crude oil is composed of colloidal solution, solid hydrocarbons, asphaltenes, and particulate sediments, in the long-term storage process, hydrocarbon mixtures and impurities in crude oil will gradually settle with gravity to form sludge, and underground crude oil reservoirs will be operated for a...

Ni-TiN nanocoatings were successfully synthesized on the surface of 45 steel substrates by using ultrasonic-electrodeposition method. The plating parameters for preparing Ni-TiN nanocoatings were optimized by using an artificial neural network (ANN) basing on the orthogonal test. And the morphologies...

The design of wireless sensor network is growing more mature over time accumulating and technology developing while still is threatened by the future demand. In this paper, the author discussed the wireless sensor network design for the Internet of Things by combining the Internet of Things with the...

Solo operation of multi-unmanned Aerial Vehicle (UAV) will be the trend of future, and operators play a significant role in the UAV supervisory control system, but human may be impacted by all kinds of factors, which may decline the performance of UAV system. In this paper, modeling is conducted for...

The downstream is in the lower reaches of the Heihe River, northwestern China. The first step of the model development effort is to construct a groundwater flow model for the lower Heihe River. The software ‘ModelMuse’ is used to build and visualize the model for the downstream of Heihe River. A groundwater...

Based on the biological control strategy in the pest management, a delayed stage-structured predator-prey model with impulsive control is considered. Using the theories and methods of impulsive delayed differential equations, sufficient conditions are obtained, which guarantee the global attractivity...

To choose cucurbitaceous plant pumpkin as the selected plant and the paper initially discussed on the repair effects of DDT-contaminated soil by pumpkin under a variety of measures. Results showed that the content of DDT in soil reduce significantly after the same repair period. The experimental group...

In recent years, Personal Cloud Storage(PCS) Service like Dropbox has achieved a great business success and has attracted a large interest from academia. However, considering the security of users' data, the PCS applications communicate with their servers by HTTPS protocol, which makes it hard for researchers...

In the energy-saving lamp production, there may be some defects such as no lamp post, too long tail, excess or not enough powder coating. The paper proposes the defect detection algorithm based on tungsten defect features with machine vision. It contains obtaining of tungsten area, filtering, marking...

In order to effectively represent the mechanism of pulsed eddy current testing, the analytical model of harmonic eddy current field above copper strip and plate is worked out in cylindrical coordinate by applying the theory of reflection and transmission of electromagnetic waves and Truncated Region...