Advances in Engineering Research

Under processing condition that were the average power of 20 W, repetition frequency of 2 kHz, pulse width of 80 ns, spot diameter less than 20 m, cutting speed of 10 mm/s, we succeeded in making 300 m thick gold interconnectors for solar cell panels, by utilizing an optical fiber laser with high power...

Kinetis L-series MUC clock system includes the clock source mechanisms such as the internal reference clock source, frequency-locked loop FLL, oscillator OSC, real time clock RTC, and provides many clock models to provide technology foundations to many low power applications, and has the features such...

This paper selected seven factors which affect the housing price from macro economic environment, market demand, and living stands of people, and then analyzed the influence of key factors on the price. Based on gray correlation analysis model, the case study is employed in Dalian, and the the importance...

since there is a problem that commanding communication have different kinds of terminals and the existing system to guarantee voice commanding communication cannot be "one-size-fits-all", this paper, under the condition that the dispatch terminal is as the relay and the current dispatching system is...

Rail straightness measurement is critical in rail production, in which the detecting speed, accuracy and stability directly affect the overall rail production. In this paper, using modern technology such as laser sensors, data acquisition, and computing technology, an innovative rail straightness measurement...

In computer vision, object recognition is still a challenge. In this paper, a new method based on data field is proposed for image object classification with color histograms and diffusion distances. Among them, the topological potential is used to select the optimal parameters. The experimental results...

The source and development for measurement uncertain were summaried in this paper. Measurement uncertainty and measurement error were analyzed. The important significance for evaluating uncertainty of measurement result was clarified.

A kind of environment-friendly compound corrosion inhibitor has been made from sodium tungstate, sodium silicate, calcium gluconate, sodium polyphosphate and zinc sulfate. The inhibition capability of the corrosion inhibitor in seawater for carbon steel is carried out by weight-loss method and electrochemical...

In the field of data mining and pattern recognition, classification is a very important core technology. This paper present two kinds of improved classification algorithm. Using the improved Naive Bayes (NB) and KNN algorithm structure classifier to filter normal mail and spam. Improved NB algorithm...

This article is designed by the LabVIEW circuit experiment module, common in the course each module specific program design scheme is given, and ultimately successful debugging operation. Based on the introduction of virtual instrument, can not only save costs, and to update and adjust teaching methods...

The imbalance of heat rejection to and heat extraction from the ground has dramatic effect on the performance of a GSHP system, thus affects the heating and cooling energy usage of a building. A parametric study based on different heat rejection/extraction (R/E) ratio was conducted for a 20-year life...

We combine literature review and three E's to select more reasonable evaluation index. We establishes three primary indicators (Economic Success ,Social Success, Environmental Success)and twelve secondary measures by referring to the smart urban evaluation index system of the EU, IBM, Nanjing and Tai-...

This paper describes a design to develop a centralized remote-reading meter system which used to overcome shortcomings of the traditional manpower-based reading meter. The system is designed from the host computer, network meter and concentrator three parts. Concentrator is connected to the host computer,...

This paper analyzes the performance of a compression-absorption heat pump (CAHP) system driven by low-temperature geothermal water. Two models, respectively, for the generator and whole system using ammonia-water as the working fluid are proposed. The results show that there is an optimum concentration...

Prefabricated concrete structure is composed of prefabricated components assembled on site. Because there are a large number of joint joints between prefabricated components, the joint connection problem of prefabricated components becomes the key to the reliability of prefabricated concrete structure...

On the problem of Global maximum power point tracking (GMPPT) caused by partially shaded in photovoltaic system, many scholars' search methods are always judged by their ability of static search, and dynamic performances when irradiance suddenly changes. But these methods neglect the dynamic performance...

As the problem of vehicle fuel consumption and environmental pollution has caused wide public concern over the recent years, improving vehicle fuel economy is extremely urgent. Through vehicle fuel consumption test on mini cars based on New European Driving Cycle (NEDC), the impact of energy-conserving...

Taking the turntable of the crane as the object, it simulates the equivalent forms of process reinforcing in the large floor of the turntable. And it obtains welding deformation. By simulating the equivalent forms of process reinforcing, it discusses the influence on welding deformation by rigid fixed,...

Using the method of accelerating GRC ageing, the effects of waste concrete and fly ash on flexural Strength and durability of GRC were researched. The results show that the durability of GRC can be improved to some extent when 30% of natural sand in GRC was replaced by waste concrete, but the improvement...

Due to its remarkable mechanical qualities, composites are now widely used in unconventional industries, particularly aircraft. During assembly, drilling CFRP composite elements is a common activity, and choosing the right process parameters and geometry is essential to prevent drilling-related damage...

In order to achieve a non-invasive continuous measurement of blood pressure, a method of establishing a nonlinear blood pressure estimation model by BPNN (Back Propagation Neural Network was proposed. By acquiring pulse wave, systolic and diastolic blood pressure value of every heart beat cycle were...

With the development of the container transportation and the urgent demand of the fast-unlocking of container handling, the securing and unlocking technologies are more and more important. Types of container securing equipment such as the locating cone and the locking base were introduced. The unlocking...

Utilizing the mechanism of HOCl-mediated cyclization of rhodamine 101 thiosemicarbazide (non-fluorescent) to rhodamine 101 oxadiazoles (fluorescent), we successfully developed a novel off-on far-red fluorescent probe (1) toward HOCl with high selectivity, great functionality at physiological pH and good...

The widely used amplitude spectral subtraction for speech enhancement suffers from the unreasonable assumption that the phase spectra of clean speech and noise signal must being uniform. To avoid this problem, Zhu has presented an extensive analysis of amplitude spectral subtraction, and proposed a quantitative...

Temperature detection is now used for risk early warning in power system. Adopting wireless sensor network to collect temperature information is one of the most crucial applications. In order to accomplish temperature information gathering, hundreds of sensor nodes are placed in power system equipment,...

The capacity of Additive White Gaussian Noise (AWGN) Multiple Access Channel (MAC) can be approached by means of power allocation. The MAC can be regarded as single user multiple level coding and modulation system by applying pulse amplitude modulation to the individual signal and superimposing the weighted...

Leizhou Peninsula is rich in tourism resources, yet has been excluded from the hot-spot rank of Chinese tourism attractions due to a lack of reasonable travel planning mechanism. From the viewpoint of system theory, this thesis analyzes two main aspects: integration development should be exercised on...

Using Portable Emission Measurement System (PEMS in short), the PM and gaseous pollutants emission in China light-duty diesel vehicle before and after installing DOC+POC under cold and hot start conditions are studied respectively. Meanwhile, the POC filtration efficiency and size distribution of both...

This study aims to explain the results of performance test from chili dryers with greenhouse effect system based on solar panel. The performance test methods carried out by an experiment. The experimental process was carried out by comparing two samples (with initial mass was 200g) dried in a dryer (experiment)...

With the development of economy in China, especially energy, petrochemical industry, the amount of water transportation of chemicals is increasing day by day. At the same time, the chemical leakage probability is greatly increased, and it also affects people's daily life and health. In this study, we...

The determination of driving state of non-motorized vehicle before traffic accident has very important significance for the identification of non-motorized vehicle and vehicle traffic accident. Based on a typical case of traffic accident of vehicle and non-motor vehicle, the injury degree is consistent...

Plants can reduce urban heat island effect. 4 types of plant disposition and 7 types of space were selected to study their mitigative capacities on urban heat island effect by quantitative analysis the temperature-decreasing and humidity-increasing effects of vegetation cover. The paper showed that space...

construction project bidding involving many factors have attracted much attention. According to the tender evaluation method has a higher probability of winning bid is the angle has been the focus of attention. This article is limited to the theoretical aspects and Bidding Strategy Research Project Bidding...

In the field of underwater acoustic field, a good sonar data real-time display system plays an important role in the whole sonar system. This paper is based on a fact that the sonar scanning an image is formed by a fan-shaped which has a certain angle and the sonar image display is usually realized through...

It is a common phenomenon that when speaking of a magnetic drop from a copper pipe, we often ignore to study it carefully, just thinking that is too simple. In this paper, we try to establish a simplified model to represent the regular moving pattern of the magnetic body according to the law of electromagnetic...

The issue of diversity of public users’ cognitive competence is always one big challenge in the interactive design field of digital reading material interface. The author analyzes and models the interactive activities of digital reading material interface based on the Distributed Cognition Theory, confirms...

Aiming at the problem that the system reliability modeling constraints are too strict in the past studies. A general distribution which approximates an arbitrary distribution is utilized for the N-units warm standby system that has a single maintenance station. The lifetime and repair time of operating...

During the disassemble of dangerous ammunition, there are always electronic primers and mechanical primers that cannot be dismantled. Based on these occasions, we design a new equipment which can fire both electronic and mechanical primers. This equipment saves the ammunition disassemble cost a lot.

In the new media environment, the marketing strategy can be made better by constructing a cloud platform of network public opinion monitoring that has huge amounts of technologies. It would be cost a lot of time and money to search agent one by one for achieving the best coalition's behalf in such a...

Power system frequency control technology plays an important role in the maintenance of the safe and stable operation of power system, and the primary frequency regulation occupies the important position relied on its own advantages. In order to analyze the primary frequency regulation, the definition...

Silica gel has a potential ability to adsorb water vapor and contaminant together, so it has been focused recently in indoor air environment. In this paper, the performance of silica gel adsorbing trace gas pollutions in isothermal column is studied through theoretical methods. The model of the adsorption...

A generalized MSSOR method (GMSSOR) is presented for solving large sparse augmented linear systems by introducing a new parameter in MSSOR method, which is an extension of MSSOR method and SOR method. The convergence of GMSSOR method is studied and it is proved that the convergence rate of GMSSOR method...

Smoke accurate detection, for the real-time fire detection and early warning has an important role. In order to overcome the problem that the smoke is low when the fire is burned, the video smoke detection method based on the local binary mode is proposed under the condition of disturbing the wind speed...

A new magnetic contour matching (MAGCOM) algorithm is proposed, which reduces computation by searching the solutions in -neighborhood of measurement. This algorithm can be used in geomagnetism aided navigation to improve real-time practicability even there are large errors. Effect of the algorithm is...

In order to assess the reliability of circuit breaker more scientificly and effectively, a method based on improved fuzzy analytic hierarchy process and genetic algorithm is presented in this paper. Firstly circuit breaker fault tree is established according to analyzing the circuit breaker failures...

To solve the scheduling problems of stations in cooperative localization, binary particle swarm algorithm of scheduling direction-finding stations is proposed based on Fisher information matrix(FIM).This paper makes the trace of FIM matrix as positioning accuracy measure,constructs scheduling model that...

Ni60 coating and Ni60/WC coating were prepared on the surface of H13 steel by PTAW, and some Ni60/WC coatings were annealed. The effect of annealing temperature on the microstructure of Ni60/WC coating was studied. The thermal fatigue test of the coating samples were carried out by a homemade thermal...

Image transmission is an important way to check how the tasks are progressed, which is also an important step of communication guarantee. In this paper, by studying the cases encountered by communication guarantee and by the analyzing real-time video transmission (real-time video transmission relies...

This presents a detailed investigation into the efficacy of geosynthetic reinforcement in soils collected from regions near sinkhole formations in the Kadapa region. Sinkholes substantially threaten infrastructure and human safety, necessitating innovative engineering solutions for stabilization and...

Application of biochar(BC)and biochar-based ameliorant (BCA) to agricultural soilhasbeen proved to exert bene cialeffects onsoilfertility and crop yield.However,little information is available about theirinfluencesonfruit quality. WeinvestigatedtheeffectofBC or BCAon Watermelon(Citrulluslanatus)growth...

The effects of exogenous melatonin on growth and physiological characteristics of Chinese cabbage seedlings under 50?mol/L aluminum stress were studied by spraying 5 different concentrations of MT(0 50 100 200 400) mol/L solution on leaves in Chinese cabbage seedlings. The result showed that exogenous...

The drive system of an elevator controls the starting and accelerating, smooth running and braking deceleration of the elevator. The quality of elevator’s performance is closely related to the design of the drive system. This paper carries on the modeling and simulation of elevator’s drive system by...

Converter valve was the core equipment of HVDC power transmission project, followed by the three-phase AC voltage was connected to the DC side to get the desired DC voltage and realize the power of control, its value accounted for about converter station complete sets of equipment for a total of 22 ~...

An escalator accident occurred in a subway station of Shanghai City, resulting into that the running direction of the escalator sudden reversals, resulting in that some passengers were injured. In this paper, the failure analysis of chain plate of broken chain drive chain is analyzed. The escalator driving...

The navigation water flow conditions in fluctuating backwater zone of Ankang hydro-junction not only are influenced by daily regulation flow of Shiquan hydro-junction upstream, but also are influenced by reservoir operation of lower Ankang hydro-junction. The flow in fluctuating backwater zone is characterized...

The Naive Bayes classifier is built on the assumption of conditional independence between the attributes in a given class. The algorithm has been shown to be successful in text classification. But when calculating the conditional probability these methods take two different words as two different feature,...

TiO2 sol is prepared by sol-gel method, nano-TiO2 thin film on ceramic surface is prepared by dip-coating techniques and is tested by using XRD and AFM, and bactericidal activity of nano-TiO2 thin film is separately studied by Natural fell bacterium experiments and Artificial fell bacterium experiments....

This thesis focuses on electronic experiment teaching how to use the virtual instrument in-depth research, design virtual instrument based on the computer sound card. Virtual oscilloscope based on the use of producers and consumers of data collection mode, which solve the data acquisition and data processing...

Path planning is a core challenge in robot autonomous navigation. Traditional artificial potential field methods have problems such as local minimum traps, while the A* algorithm, although capable of generating globally highest-quality trajectorys, cannot handle dynamic environments. The separation of...

The description based on the microscopic theory of sand fabric, the novel amplitude parameters decrypting the spatial arrangement of non-spherical particles is defined, and the verification with the microscopic test for Toyoura sand is conducted. The spatial arrangement of non-spherical particles form...

Based on the extensive investigations and using intelligent analysis, we have constructed an important index system, which demonstrates basic information, operation and types of supplements, situations of development and exploiting of lands, price of market trading and benefits of land investments of...

The development and widespread use of real-time constrained multi-media application in MANET has resulted in the need to optimize or update current routing mechanisms. This paper proposed a QoS routing mechanism for multi-media transmission under real-time constraint in MANET, named ad-hoc on-demand...

Product harm crisis are frequent, hard to avoid, different to each other, and have various impact. Not all product harm crisis make enterprises brand get bad image and deteriorating stigma. The key elements causing brand stigma by a product harm crisis event lie in brand relationship norms and commitment...

In order to improve the contact state of the friction surfaces of various parts, reduce friction and wear, improve the mechanical efficiency of power transmission system, and the reliability life of the vehicle,the reliable running-in must be carried out in a short time.In this paper,different running-in...

Now, marine exhaust pollutant has occupied an important proportion in the atmospheric pollution. In the inland and offshore port, nitrogen oxides, sulfur oxides and particulate matter pollutants have become the main source of city air pollution. From the aspects of laws and regulations, standards and...

Bisphenol A (short as BPA) is usually used for thermochromic products, and in recent years, it begins to be applied in functional textile with thermochromic performance. As a kind of environmental hormone, BPA is generally considered as chemicals with risks for its embryo toxicity and teratogenicity,...

A new type of engine transmission mechanism based on gears and racks is introduced,which is mainly composed of a pair of incomplete gears with overrun clutch, a composite rack and a bevel gear train.With the interval meshing of incomplete gears with composite rack, the reciprocating linear motion of...

As fresh water resources are increasingly scarce, water-saving technologies are quite important for power plant in water leaking area. Conventional techniques for saving water in power plant include air-cooled condensers (ACCs) of power generating units, air-cooling of auxiliary cooling water, dry ash...

In construction project group, the construction process is numerous, the resources required are multifarious, the resources allocation is difficult, and it is easy to appear resource allocation imbalance within a certain period of time. To implement the balance allocation of resources among varied projects,...

The energy storage technology plays an important role in the modern power grid. The application of the energy storage technology can improve the stability and controllability of the new energy technologies, and can steady the power grid operation and improve the quality of power supply. In this paper,...

In order to improve the capacity of DC-DC converter, a large-capacity DC-DC converter with input-series-input-parallel output-series-output-parallel (ISIPOSOP) connection is proposed in this paper. The converter consisting of multiple basic DC-DC modules has the ability to withstand the high voltage...

Referring to the experience of aeronautical manufacturing enterprises abroad like Boeing and Dassault, it is necessary to build the three-dimensional design platform of aircraft manufacturing technology based on the model-based definition (MBD), integrate the existing engineering data of many systems...

Cloud computing platform has also posed challenges to resource management and service scheduling using virtualization technology while allowing software applications to become more efficient. On the basis of making study on difference in scheduling between "SaaS" and "IaaS", this paper focuses on resource...

With the development of HTML5, its convenient and quick user has been recognized by most users. Some games can be made by HTML5, which is convenient for its communication. This paper introduces the traditional Tetris game made by HTML5, shows the design scheme and the main code and proves that this design...

Measurement delay for state estimation outliers adverse consequences, affecting the right conclusion. In this paper, the possible measurement delay is given through the analysis of SCADA data acquisition and transmission process. Based on the verification platform of dispatching automation system, the...

The on-line monitoring system undertakes the task to obtain status information of transmission lines and corridors in smart grid. Micrometeorological monitoring is an important resource of environment information of the corridors, which will provide data support for operation and maintenance, forecast,...

Porous peanut-like Bi2O3/BiVO4 composites with different Bi/V molar ratios have been synthesized by a one-pot hydrothermal synthesis method. The samples were characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), UV-vis diffuse reflectance spectra (DRS), Fourier-transform...

The transmission has a great relationship with the success of acceleration or deceleration and shift in agricultural machinery operations. The operating environment of agricultural machinery is complex and it is easy to cause damage to parts. In this paper, a kind of transmission for small agricultural...

We propose an advanced authenticated encryption with associated data (AEAD) scheme called FCM (compression Function/Counter Mode) based on a compression function required to be a pseudorandom function (PRF) against related key attacks. FCM adopts the stream cipher generated by parallel compression function...

In this paper, the author took a type of high-speed monohull ship as the research object, designed and added a bulbous bow of original ship by the principle of best comprehensive performance, made two 2.7 meters long scale models. Then conducted a series of pitch decay tests on condition that two ship...

Converter valve cooling system circuit consisted of internal cooling system circuit and external cooling system circuit. ±800kV DC power transmission converter valve water cooling system circuit was introduced in this paper. Certain cooling medium flow rate through the pressure of the main circulating...

In the era of modern industrial civilization, with science and technology being developed rapidly, friction and wear become scientists' dedicated areas. The paper aims to reveal the mechanism of abrasive wear and fatigue wear, discussing the calculation formula, various factors and the way they affect...

A pot experiment was conducted to study the effects of the growth and physiological characteristics by spraying 5 different concentrations (0, 50, 100, 150, 200 mol/L) of indoleacetic acid (IAA) on leaves in Chinese cabbage seedlings which under salt stress. The result showed that IAA significantly promoted...

In the past, waterway regulation generally proposed optimized project schemes and the corresponding regulation measures according to the waterway dimension of the design requirements, upon the requirements of satisfaction of the standard waterway dimension. However, the issue of the dimension falling...

When analyzing the data of photos and videos, it’s very important to determine the shooting time and place. Usually, we can get the sun's shadow from the pictures and videos and establish different mathematical models to solve time and space positioning problems by the known parameters. Firstly, use...

Affected by influence factors such as physical lighting environment or joining structures of the workpieces, etc., the positioning of workpieces by image processing may have huge deviation and are even not the location of the final target workpiece. This article realizes objective workpieces positioning...

Aiming to alleviate the drawbacks of the existing power-aware routing algorithms caused by the hotspot problem and Near-Far problem, this paper propose an improved uneven clustering routing algorithm , named as Multilayer Cluster Routing based on Cooperative Relaying (MCRCR). This new algorithm protocol...

By using kaolin suspension as the research object and the coagulation test as the basis, the optimum dosage and the fractal floc characteristics of high turbidity and low turbidity water processed by the biological flocculant (BFs) and FeCl3 were investigated. The results demonstrated that the optimum...

A novel construction method of Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) code is proposed in this paper, which is based on protograph and Balanced Block Design (BIBD) in combinational mathematics. The method is to fill the base matrix of protograph with the base set elements of BIBD in accordance...

This essay analyses the experiment of xylene, ethyl acetate and acetone as solvent materials influencing the surface resistivity and electromagnetic shielding effectiveness of conductive filler composite material, as well as the main reasons for this difference from the perspective of material properties...

As a new non-destructive testing technology, X-ray real-time imaging detection technology has been put into practical use in the field of industrial product testing. With the printed circuit boards, integrated circuits increasingly integrated, sizes of the circuit feature are smaller and smaller. The...

Objective: A number of traditional Uyghur medicines have been recognized as potent antitumor agents and have been developed and analyzed in vivo. In the present study, the toxic, therapeutic and cytotoxic properties of the Uyghur medicine Abnormal Savda Munziq (ASMq) were investigated. In the presence...

Cationic starch was used as an emulsifier to emulsify beeswax into latex, which was utilized for lowering the water vapor transmission rate (WVTR or moisture barrier of the paper used as food packaging materials. The method of wet-end addition was used for applying the emulsions to the papers. The weight...

High cost of microalgae harvesting impeded the development of algae biofuel technology and wastewater treatment to commercial practicality. Filamentous fungi and microalgae could form pellets under certain culture condition and the symbiosis system is a novel method to reduce the cost of microalgae harvesting....

In the era of service computing, it needs to develop web service aggregation platform to organize and manage services, and thus to help users to discover the atomic and a set of services with correlations to meet their functional and non-functional requirements. This is an important research point in...

In this paper, we conduct research on the wireless sensor network management methods based on the runtime model. With the deepening of the research, scalability and maintainability of wireless sensor network has become an important target of its application promotion. Consider that the nodes randomly...

As a new environmental friendly material, the preparation and modification of biomass charcoal has become more and more popular in environmental science and other research field. Preparation techniques and the mechanism of activation of various methods were introduced in this paper. Carbonization and...

This article gives the definition of the Jensen-Quartic functional equation, obtain the general solution of the Jensen-Quartic functional equation. Research the realations between Jensen-Quartic and Cauchy-Quartic functional equation, and finally proved the Ulam stability of Jensen-Quartic on Banach...

A new process was designed for the transesterification of methyl acetate with n-propanol. That is, reactive dividing-wall distillation column technology is used instead of conventional reactive distillation column and methyl acetate - methanol separation column to product n-propyl acetate and methanol....