Advances in Engineering Research

The method of using electromagnetic compatibility standard for nuclear power plant , and the electromagnetic compatibility and electromagnetic compatibility standard of instrument control equipment in nuclear power plant are put forward, by the research on electromagnetic compatibility of nuclear safety...

A pot experiment was carried out to study the effects of intercropping with four cadmium (Cd) hyperaccumulator plants (Galinsoga parviflora, Sigesbeckia orientalis, Solanum nigrum, Crassocephalum crepidioides) on nutrient uptake of grape seedlings under Cd stress. When grape seedlings intercropped with...

The establishment of nature reserves is one of important ways and measures to protect biodiversity, which plays an important role in maintaining balance of regional ecology, and promoting scientific research. To analysis the using and covering of land in the studied area and the variety of landscape...

As for the problem that ground scenery image interfered causes its quality decreased, and in order to get high-quality data ground scenery, in this paper, firstly analyze the main factors of image degradation and then we adopt wiener filtering to recover image which is interfered by movement blurred...

This paper analyzed the seasonal variations of Pb in surface and bottom waters in Jiaozhou Bay based on investigation of Pb in surface and waters in different seasons during 1979-1983. Results showed that at temporal scale, Pb contents in bottom waters were more or less increasing/decreasing along with...

This article studies drilling behaviour of polymer nanocomposites reinforced by functionalized amine carbon nanotubes/ Carbon fiber using a vacuum bagging technique fabrication. The main concept for assembling process without out which is impossible like machining process in which drilling the laminate...

Electric conversion motors have great potential to be developed, this is in line with Indonesian government policy, however, regarding the coolant for electric conversion motors, it still needs to be developed in order to obtain maximum motor performance at various speeds, the application of pending...

A physics-based electro-thermal model implemented in the Matlab/Simulink is introduced for FS (field stop) IGBT (Insulated Gate Bipolar Transistor) in this paper. The model consists of Fourier-based FS IGBT model and equivalent RC thermal network model. The static testing of a commercial IGBT is performed...

Data processing of measurement were discussed in this paper, including the processing of measurement error, assessment and presentation of measurement uncertainty and processing and reporting of measurement results. The importance of measurement data processing in the measurement control system was clarified.

An appropriate modulation scheme SC-PPM is considered in this article for the high density visible light communication (VLC) system. Compared with OOK, SC-PPM is a more power efficient and reliable scheme and it can achieve the requirement for both illumination and communication. An optimization problem...

The Laplacian pyramid was always used for image analysis. However, the Laplacian pyramid could also be used for edge-aware image processing. To get successful results, this method spent much less time than most of other methods such as anisotropic diffusion, neighborhood filtering, and specialized wavelet...

With the fast development of clean energies, absorbing cleaning energies becomes a critical problem to solve while the economy develops and society progresses. This paper presents a new type of Microgrid by analyzing methods of enhancing clean-energy-absorbing ability. The new type of Microgrid could...

In this work, the performance and efficacy of several experimental runs are evaluated using the DEAR (Data Envelopment Analysis-based Ranking) approach, with an emphasis on materials and process factors for an AlFeSi10Mg alloy system. Laser Energy Density (LED), Specific Energy Density (SED), and Volumetric...

This study proposes a detachable quadcopter UAV delivery system to overcome traditional UAV limitations like inflexible cargo handling and high costs. The modular design features an X-shaped carbon fiber frame with hollow arms (12mm outer, 8mm inner diameter), offering 60% greater bending resistance...

To evaluate the quality of an existing structure which is lack of information in the highway bridge after years of shutdown. An evaluation method is proposed, which is based on the fuzzy mathematics and catastrophe theory. Comparing traditional methods, the method avoids determining the uncertain index...

Based on the analysis of theories of vector control, the simulation model of permanent magnet AC servo system built on MATLAB/SIMULINK is designed and studied, the simulation results prove the validity of the simulation model.

A direct adaptive controller based on improved radial basis function (RBF) neural networks (NN) is proposed for an omni-directional mobile robot (OMR). The OMR is a multi-input and multi-output (MIMO), unmodeled and uncertain nonlinear system which is difficult to be modeled due to a large number of...

Underwater sensor network(USN) has a battery replacement, positioning difficult hard, great depth of nodes is poor, traditional routing algorithm of the two-dimensional plane land web is difficult to apply, routing algorithm based on the geographical position, there is also a difficult position and so...

Fault tree analysis,as an effective method for reliability analysis and evaluation of engineering systems,provided an effective method for failure analysis of polishing robots with six degree of freedom.Through the qualitative and quantitative analysis of the fault tree,it is proposed that the damage...

Our basic model has two parts: to study effects of physical factors on the temperature and water consumption of water in bathtub, and to explore the influence of human action on water temperature distribution. Finally, we give the best strategy to maintain initial water temperature without wasting too...

Aiming at the controlling of trajectory during the air-to-ground attack, firstly, the 6-DOF model of combat aircraft and the model of the threats are established. The thrust coefficient, angle-of-attack, and roll angle are chosen as the controlled quantity. Then establish the indicator function and the...

Microstructure and properties of Al-Mg-Si-Li alloys with different Mg content were investigated. The microstructure was observed by optical microscopy, the phases were determined by X-rays diffractometry, the hardness was monitored by Vickers, the mechanical properties were determined by tensile tester,...

The metrological confirmation of measurement equipment was discussed in this paper. The relationship between the accuracy of measurement equipment and the data issued was analyzed. The important significance for the metrological confirmation of measurement equipment in the measurement and control system...

The rapid development of private higher education institutions has made private colleges enter an intensive development stage, and the incentive to the private college president has become an important subject. However, the Ex ante incentive is superior to the Ex post incentive, and how to provide the...

A wall with auto-adjusted heat transfer coefficient based on the outdoor temperature is introduced. The mechanism of the bimetallic strip wall with auto-adjusted heat transfer coefficient was given. The thermal performance of the variable thermal resistance layer in different conditions was preliminary...

To guarantee the river water quality reaching the surface water quality standards，this paper used a small-scale experimental equipment and optimized hydraulic retention time（HRT）and optimum temperature range of the artificial wetland sewage treatment plant effluent, and the effect of advanced treatment...

For reduction of industrial CO2 emission, sector CO2 emission reduction quotas should be fairly assigned based on their original CO2 emission level at sectors of industrial CO2 emission in the industrial chain, which bigger CO2 emitting sectors will be allocated more. But what are the bigger CO2 emitting...

A terpolymer resin (NSMA) was synthesized with styrene, maleic anhydride and N-phenyl maleimide. The structure and composition was characterized with FT-IR and 13C-NMR. The thermal resistance of NSMA was determined through integrated thermal analysis. The results indicated that, when the molar ratio...

The purpose of this study was to explore the mechanical properties and functional adaptability of bone of vibration training in rats. Sixty rats were randomly assigned to four groups: control group, low frequency (25 Hz, 3mm) vibration group, middle frequency (35Hz, 3mm) vibration group, and high frequency...

Garden trees play an integral role in supporting healthy urban communities as part of ecological system. 13 typical landscape plants, in Suzhou City, were selected to study the correlations among canopy width, vegetation quantity, branching point height and temperature-decreasing and humidity-increasing...

The effects of mutual grafting on the photosynthesis of two ecotypes of post generation Solanum photeinocarpum under cadmium (Cd) stress were studied by the pot experiment, and the photosynthetic pigment contents, photosynthetic characteristics and soluble sugar contents in post generations of S. photeinocarpum...

A novel algorithm aligning the time-delay of each signal received by a uniform antenna array is presented. In order to solve the problem that time-delay alignment performance is poor at the low signal-to-noise ratio (SNR) value, the proposed algorithm makes use of iterative estimation. Then we analyze...

Color is a basic element of image content and is one of the main sensing features for recognizing images. Color histogram is widely used to retrieve images and the processing mostly concerns the choice and quantization of color space, the definition of color histogram and the distance of two images in...

A novel rhodamine 101 derivative has been synthesized and employed as a fluorescent off-on probe for monitoring Cu2+ in aqueous solutions and living cells. Under physiological conditions, it exhibits a remarkable increase in absorbance at 587 nm and an enhanced fluorescence at 615 nm toward Cu2+ in a...

In this paper, we propose a modular equipment design concept for building interactive landscape environment, which can deal with the problems such as life expectancy and complicated cable networks. Recently, the advancement of digital technology in residential networking and connections (i.e., internet...

The reasonable and accurate assessment of the development speed of the distribution network is very important for a country's power grid construction and power distribution. The comprehensive evaluation system of distribution network developed proposed in this paper can be applied to evaluate the development...

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...