bluuebunny/crossref_metadata_2025 huggingface dataset:
Reading Process of Integrated Circuit Layout Debugging: Evidence from Eye Movements
Authors: Ho Hong Fa
Published: September 2013

Finding bugs in CMOS Integrated Circuit (IC) layouts is a basic skill for IC design engineers and students alike. The reading process of finding bugs is the basis for learning and teaching in electronic engineering. In this pilot study, eye-movement data was used in analyzing the reading process and nature of five participants (N=5) finding bugs in CMOS layouts. Data analysis of eye movements was based on nine types of ROI (Region of Interest). The ANOVA analysis of eye movements was analyzed. The findings of experimental results included that there were significant differences among the number of fixations of nine types of ROIs. The findings suggest how learners could read the bugged IC layouts effectively and efficiently.
Exponential Stability Criteria for Neutral System with Mixed Time-Varying Delays and Nonlinear Perturbations
Authors: Wang Shao Ying , Qiu Fang , Tian Xue Gang
Published: September 2013

This paper focuses on the issue of robustly exponential stability for uncertain neutral systems with mixed time-varying delays and nonlinear perturbations. Some new sufficient conditions dependent on the delays are derived in terms of Lyapunov-Krasovskii functionals combined with free-weighting matrices. Two numerical examples are given to show the effectiveness of the proposed method.
Fault Diagnosis for Grounding Grids Based on Genetic Algorithm and Support Vector Machine
Authors: Li Ling Jian , Peng Min Fang , Zhao Ke Xin
Published: September 2013

This paper presents a genetic algorithm to optimize support vector machine parameters for grounding grid fault diagnosis method. Grounding grid is equivalent to a pure resistance model, extract characteristics of different kinds of corrision states, Using genetic algorithm optimize support vector machine kernel function parameters, achieve the identification of the type of failure mode, Grounding grid of 6 × 6 test can quickly detect the grounding grid corrosion, simulation results show that the method has higher accuracy than support vector machine.
Synthesis, Photochromic Properties of an Unsymmetrical Diarylethene Bearing Fluorene Ring
Authors: Ding Hai Chang , Xu Hong Yan , Liu Gang
Published: September 2013

A new unsymmetrical photochromic diarylethene compound was synthesized and its photochemical, fluorescence properties were investigated in detail in solution. The results showed that the compound exhibited remarkable photochromism and the emission intensity was quenched 87% at the photostationary state in solution. When the concentration arrived at 2 × 10-5 mol L-1, the fluorescence peak of the diarylethene had the maximum.
Nanogold Resonance Rayleigh Scattering Determination of Trace Cr3+
Authors: Liang Xiao Jing , Liang Ai Hui
Published: September 2013

Nanogolds (AuNPs) were synthesized with the citrate reduction of HAuCl4. In pH 3.0 glycineHCl buffer solution (0.20 mol/L), AuNPs do not aggregate. In the presence of Cr (III), that Cr (III) could form astable Cr (III) citrate complex with the citrate on surface of AuNP in 1: 2 binding stoichiometry, and the AuNPs were aggregated to big AuNPs clusters that led to the resonance Rayleigh scattering (RRS) peak at 530 nm increased greatly. Under the selected conditions, the increased RRS intensity (ΔI530nm) is linear to Cr (III) concentration in the range of 0.25-5.0 μmol/L. This RRS method was applied to determination of Cr (III) in synthetic samples, with satisfactory results. Cr (VI) was also detected after reduction to Cr (III).
Synthesis and Properties of a New Unsymmetrical Diarylethene Bearing Benzothiophene and Thiophene Rings
Authors: Jing Shu Hong , Pu Shou Zhi , Fan Cong Bin
Published: September 2013

A new unsymmetrical isomeric diarylethene was synthesized, namely1-[2-methyl-(5-(4-hydroxyl) phenyl) -3-thieny-2-(2-methyl-3-benzothiophene) perfluorocyclopentene (1o). Its photochromic reactivity both in solution and in PMMA film, photoconversion ratio at photostationary state, and fluorescence were investigated in detail. The compound displayed excellent photochromism both in solution and in PMMA film. The isomeric compound also functioned as a fluorescence switch and concentration dependence on the fluorescence spectrum in hexane.
Study on Byproducts Recycling in Eco-Industrial Parks
Authors: Gao Xiao Long , Li Rui Qing , Li Ran
Published: September 2013

Eco-industrial parks represent the future direction of the development of industrial system. In order to reduce their impacts on the environment, and increase the recycling degree of byproducts , this paper has made quantitative assessment on the stability of byproducts recycling web and the rate of byproducts recycling by two indices. Based on the existing research, the thesis has contributed to applying the indices to the Kalundborg industrial symbiosis, the example of EIPs. By calculating the two indices, results have proved the feasibility of the indices. However, efforts should be paid to achieve the accuracy and integrity of data.
Research on the Synthesis and Application of Graphene Composite Nanomaterials
Authors: Yu Da Wei , Hou Yue Long , Wang Xiao Li
Published: September 2013

During the last half decade, chemically modified graphene has been studied in the context of many applications, such as polymer composites, energy-related materials, sensors, and so on. Herein, we provide a recent development of the synthesis of graphene composite nanomaterials and their application. This paper will be of value to synthetic chemists interested in this emerging field of materials science, as well as those investigating applications of graphene.
Study on the Transport of Heavy Metal Lead in Radish and the Influence of Radish Growth with Organic Fertilizer
Authors: Chen Song Yue , Liu Miao , Leng Su , Zhang Zhen Bin , Chen Li Ke , Quan Fu Min
Published: September 2013

In the test, the method of potted plant cultivation was adopted to research that how the organic fertilizer influences the radish growth in the soil with different concentration of lead and analyze the transport of lead in soil and plants system. In each group, The root tolerance index (RTI) and transport factor (TF) of plant were analyzed. The results showed that the root of the plant had great effect on the lead pollution. After its root contacted lead, most of the lead were kept in root, rather than moving. The quantity of lead of plant including ground and underground were measured. The results showed that the quantity of lead in underground was too much higher than the quantity on the ground.
The Seismic Performance Analysis of Brick Masonry Wall between Windows with the Isolation Seam
Authors: Han Shuai Jun , Zhang Wen Fang
Published: September 2013

The wall between windows is the smallest,the most weakest anti-seisnic unit[. Under the action of a strong earthquake,the longitudinal window that parallel to the main direction,often produced Xshaped cracks due to lack of shear bearing capacity .But under the earthquake,masonry structure had goodsecsmic performance,large ductility,light damage and showed reversible,easy to repair[ and so on. Given the advantages of bending failure of the above, Professor Zhang Wenfang has proposed a new earthquake mitigation technologies in the literature [. This model avoids the whole cross-section brittle shear slip, and has good ductility after yielding. Therefore, this paper combines the free shear failure of masonry structures seismic test specimen design. And it can simulate the window wall W-1 with 10mm isolated seam,the wall W-2 between windows and the ordinary wall W-3.Compared their damage morphology and mechanical characteristics in the vertical load and horizontal loads, some useful can be got and become the basis for teoretical analysis and engineer design of masonry structures for the future.
Simulating Effect of Anchor Cable Pre-Tension to Supporting Structure
Authors: Wang Tao , Liang Ren Wang
Published: September 2013

Since the pre-stressed anchor technology became to be used from the beginning of twentieth century, it is widely used with the advantages of its good applicability, high cost performance, good looking appearance and easy green. Pre-stressed anchor achieves the purpose of actively controlling foundation pit deformation by exerting pre-stress on steel strand of its free section. This thesis chooses deep foundation pit engineering, adopt Mohr-Coulomb ideal soil body by finite difference software FLAC3D, and select different anchor pre-tension values to simulate. It combines Lizheng software to do numerical simulation and analytic study on pile-anchor supporting structure. This thesis compares results coming from the two kinds of software, and analyze the impact on row piles' body bending moment, pile top deformation, anchor cable axial force and foundation pit deformation when pre-tension changes.
Axial Compression Welding Hollow Hollow Ball Node Wall Fitting Surface Stress Formula
Authors: Li Yu , Wang Xiao Long
Published: September 2013

This paper mainly studies the hollow spherical wall in axial compression, considering the effects of weld, hoop stress range change in space and its regularity. This article USES the ANSYS program of hollow wall outer wall and middle tier wall are carried out in stress analysis, the finite element software computing results, comparing with the results of mechanics of elasticity formula of hollow spherical wall ring correction to stress in a reasonable manner to establish wall hollow hoop stress at different axial compression condition under the range of stress formula.
Numerical Simulation and Process Optimization of Automotive Friction Materials in Warm Pressing Forming
Authors: Cao Chun , Zhu Chun Dong , Fu Chen
Published: September 2013

Warm pressing forming technology has been gradually applied to the forming of automotive friction materials. How to ensure product performance to achieve the target at the same time achieve the maximum energy saving is the research focus of this study. In this paper, by using finite element method, the field of automotive friction materials in warm pressing forming was analyzed, reveals the relationship between the temperature field and the heating temperature/heating time. Furthermore, the energy consumption was analyzed and compared it with hot pressing forming process. The results will have significant guiding to the process optimization in warm pressing forming.
Reinforced Concrete Frame Structure Based on ANSYS Optimization Analysis and Material Properties
Authors: Wang Shuo , Ma Fu
Published: September 2013

This article mainly focus on the research in two-way horizontal earthquake under the action of 5-layer reinforced concrete frame structure optimization analysis. This research utilizes ANSYS software to realize parametric modeling. By using beam and column section sizes as design variables and tructural strength, stiffness, the maximal displacement between the layers as well as reinforcement component limit as constraint conditions, with overall minimum cost as objective function, it has carried on the static analysis, seismic response spectrum to structure analysis and optimization analysis on structures.Also, cross section change has been compared before and after the structure optimization to find out whether structure of various important parameters meet the specification requirements and and reflect the certain economy.
Study on Flexible Base Asphalt Pavement Design System Based on the Dynamic Modulus
Authors: Yin Li
Published: September 2013

Pavement design adopts the static index pavement design method; it has significant limitations for flexible asphalt pavement. This paper proposes asphalt mixture dynamic modulus determination method on the basis of existing research results at home and abroad. Dynamic modulus effect is studied on the mechanical properties of flexible base asphalt pavement, and the flexible base asphalt pavement performance is preestimated by the use of the dynamic modulus indicators in the paper.
Study on Engineering Materials with Results of the Analysis of the Influence of Foundation Pit Surrounding Buildings Settlement
Authors: Hua Xi
Published: September 2013

In this project, some engineering materials will be used, such as reinforcing bar, commercial concrete. Because the site underground water level is higher, in order to prevent the surrounding buildings and roads happens the non-uniform settlement, the settlement must be observed, using single double station observation way, each settlement will draw up the curve, and according to the settlement curve for foundation pit precipitation to the influence of the architecture around the research.
An Optimization Capacity Design Method of Battery Energy Storage Based on SOC for Leveling Off the PV Power Fluctuation
Authors: Xue Jin Hua , Ye Ji Lei , Wang Xiao Hua , Yang Bo
Published: September 2013

Due to the requirement of leveling off the output power fluctuations, the relationship between the battery energy capacity and PV power fluctuation is analyzed by adjusting the filter time constant according to the state of charge (SOC) based on the low-pass filtering principle, and the optimization design method of battery power capacity and energy capacity is put forward. With the reasonable battery configuration for PV power system, the battery over-charge and over-discharge can be avoided, and the best operation condition and long service life would be obtained. A simulation Matlab model is tested to verify the feasibility of this method.
The Petrophysical Study for Shale Sample Based on Autoscan-II Platform
Authors: Tang Xin Gong , Ma Jian Bin , Xiang Kui , Yan Liang Jun , Hu Wen Bao
Published: September 2013

Petrophysical study is playing an important role in oil and gas exploration. Shale gas and shale oil is blooming in recent years in many countries. Less rock physics knowledge is known about shale relatively to other rock type such as sandstone and limestone. In this paper, we carried out a rock physical study of shale core sample which is drilled from north China. The plan distribution of permeability, P wave velocity, S wave velocity and complex resistivity were acquired based on AutoScan-IIplatform. The results show that the permeability of the shale sample is basically low with values of 0.1 to several micro Darcy (mD) except some fracture areas in the surface, which has values of about several tens mD. The permeability can basically describe the distribution of the fracture. The complex resistivity has the similar characteristics with permeability, which is also roughly corresponding to the position of the facture. As for the Vp and Vs, although not very good correspondence with the surface, they are still approximately present the high and low velocity feature of the core sample as well. This result is significantly helpful for shale gas exploration and production.
Performance and Emissions Characteristics of the Butanol-Gasoline Blends in an EFI Gasoline Engine
Authors: Chen Yu Jie , Lou Di Ming , Cheng Liang , Hu Zhi Yuan , Tan Pi Qiang
Published: September 2013

An EFI gasoline engine without any modification was used as test engine. the power performance, fuel economical and regulated emission characteristics of the gasoline engine fueled with conventional gasoline, pure butanol, 10%, 15%, 20%, 50%, and 85% butanol-gasoline blends in volume were carried out respectively. The tested results shows that engine power, CO and NOx emissions are lower with the ratio of butanol increasing, while the fuel consumptions and THC emissions are higher as the ratio of butanol increases.
Research Status on Muddy Water Seepage Theory
Authors: Song Zhi Fei , Cui Qin Huan
Published: September 2013

Muddy water seepage theory is an important content which can not be ignored in seepage calculation. The study on muddy water seepage theory starts late. Now most of the theory used for seepage calculation is clear water theory. The process of the percolation of muddy water and clear water has the same physical mechanism. There are still special effects on the process of the percolation in relation to sediment material in muddy water.The scope of application of muddy water seepage theory is wide. Muddy irrigation, water-soil conservation, tailings dam seepage analysis and many other fields require muddy water seepage theory. The theory has important theoretical and application value in production practice. Based on the research status on muddy water seepage theory, this paper discusses the seepage experiment,the flow mechanism and engineering application in many aspects, analyses and summarizes previous research achievements. Finally, a brief conclusion of the key problems and the development trend of muddy water seepage theory are elaborated.
Comparative Analysis on Seismic Performance of Steel Frame with Different Forms of Symmetric Enhanced Nodes
Authors: Dong Li Ting , Wang Yan
Published: September 2013

Based on node test and finite element analysis results of four different structural form enhanced nodes,failure modes,hysteretic behavior,bearing capacity,ductility and energy dissipation capacity of nodes are analyzed comprehensively and comparatively for more in-depth exploration about the seismic performance of symmetric enhanced nodes.The results showed that all the symmetric enhanced nodes have full hysteretic curve and energy dissipation capacity. On the whole,The flange-plate reinforced node exhibit better seismic performance.
The Technique for Simulation of Broken Defects in Model Pile Tests
Authors: Wang Cheng Hua , Zhang Cheng Lin , Wang Gan , Su Juan
Published: September 2013

When carrying on laboratory experimental studies on broken piles, the test results depend on the technique used in simulating the model piles. Based on laboratory model tests, a complete set of making process of broken piles used in the study of the working behavior and mechanism of broken piles was presented in detail. The techniques include the pore-forming process and the simulation of the broken defects. The load vs. settlement curves for the vertically loaded broken piles obtained through the model pile tests were adopted and demonstrated the feasibility of the production process.
Research against the Effect of Inertia Loads on Dynamic Responses of a Simply Supported Beam
Authors: Zhang Xian Min , Wang Ya Dong
Published: September 2013

In order to quantitative study the loads inertia on the effect of dynamic response on a simply supported beam, a simply supported beam with a fixed section forms and different span has been calculated under two different loading modes including moving load and moving mass by numerical method by MATLAB program. The calculated results shows the exact solution of beam vibration differential equation can be calculated and a quantitative description can be made about the load inertia effects on dynamic responses of the simply supported beam. These results provide guidance to the project practice.
The Influence of Lateral Fill on Foundation Bearing Capacity of High-Stacked Culverts
Authors: Wang Wen Lu , Cui Shu Jun , Zhao Jiang Peng
Published: September 2013

To find the improved effect on the foundation bearing capacity of lateral fill, combining with the stress characteristics of the foundation soil, the soil force was analyzed. One element of the soil body was taken as the research object, according to the force equilibrium condition of the element of soil,the ultimate bearing capacity could be obtained by calculating torque of one point. The Prandtl and Prandtl-Reissner foundation ultimate bearing capacity formulas were deduced and contrasted. The results showed that the lateral fill could improve the bearing capacity of the culverts foundation when the settlement of the culverts foundation satisfied the design request.
The Creep Impact on the Performance of Super-Long Reinforced Concrete Structures
Authors: Wang Hai Chao , Xu Zhen Tian , Liu Wen Ting
Published: September 2013

In order to study the deformation of super-long structures under the influence of creep , take fully advantage of orthogonal design to make nine series reinforced concrete beams of shrinkage-compensating to deeply analyze the function performanced by creep of the reinforced concrete structure and obtain that the time-deflection curves of volume deformation and creep deformation of shrinkage-compensating reinforced concrete beams. The results show that the creep of beams develops rapidly early and the slow development of the late. The greater the expansion stress is in the early, the greater the shrinkage strain in the late, the greater the deformation of volume. So, the appropriate mixing ratio of expansive agent is given by the experiment. It provides a scientific basis for seamless design of super-long structures.
Effect of Temperature on the Quality of City Sewage Sludge Shale Brick Products
Authors: Huang Bing Zhang , Li Xi Qiang , Zhu Ji Zhen , Huang Bang Biao , Wu Hai Long , Guan Qiong Qiong
Published: September 2013

[Objective] Research on city sewage sludge shale brick in the firing process of crack formation reason, control cracks in the firing process of the brick body, thereby improving the brick product quality, summed up the law of temperature on product quality of city sewage sludge shale brick.[Methods] In order to shale and city sludge as raw material by make bricks, drying and sintering procedure different, to analyze the reason of brick in the process of drying cracks and cracks during the roasting process.[Results] The experimental results show that in the stage of drying and preheating stage if rising too quickly, the sharp increase in the number of brick cracks, resulting in a significant decline in the quality of the finished brick. During the cooling phase if the cooling too quickly, also will increase the number of cracks, leading to reduced quality of brick.[Conclusion] Have an important influence on city sewage sludge shale formation temperature cracks, the control of the temperature is not only reasonable will prevent the formation of crack, but also an effective means to improve the quality of protection brick.
Analysis on In-Plane and Out-Plane Instability Coupling of Steel Bowstring Arch Bridge with Box Section Single Rib
Authors: Wang Xing Rui , Jin Ji Kai , Yang Gang
Published: September 2013

Steel single rib box section arch bridge is established on the basis of secondary development using parametric language of large-scale finite element software ANSYS. On the premise of same sectional area A of arch rib,height breadth ratio h/b is changed, and both the spatial instability mode under the condition of arch bridges dead weight and the stability safety coefficient under the condition of the first step instability mode is calculated. With the aim to optimize distribution of stiffness and stability of single rib arch bridge, the target is to find out a height breadth ratio h/b which can make in-plane and out-plane instability mode coupling, that is to say, equivalent stiffness of in-plane and out-plane of the mode.
Study on Axial Force of Multi-Stage Fracturing String in Horizontal Wells
Authors: Zhang Hong Qiang , Gao Bao Kui , Han Xuan Zhuo , Qin Xing , Wang Wei
Published: September 2013

In order to investigate packer failures during multi-stage fracturing in horizontal open-hole wells, mechanical model is established according to the working process of multi-stage fracturing. The influence of temperature and pressure changes on packers and tubing string is considered in this model. Case study indicated that force in each packer changes obviously in different fracturing stage; the force on the hanger is large in the whole fracturing process, and it will change direction opposite to the original direction in the last fracturing interval; in a given fracturing interval, the force in the upper packer is much higher than that in the lower packer; due to the restriction of the packers, the axial force distribution of the tubing is not smooth and changes abruptly at packers. Therefore, the pressure bearing capacity of packers should be taken into account during design and operation, and based on which appropriate packers and operation parameters be selected.
Analysis of the Impact of City Construction Load on City Geology Security
Authors: Dai Zhi Hong , Yu Miao , Zhao Xi Rong
Published: September 2013

City isnt only relying on the geological environment, but also in constantly changing geological environment, city construction activities are one of the geological battalion strengths. City construction is equivalent to loading in constantly on the geological bodies which the city depends on. The transmission and distribution of Additional stress generated by load in geotechnical body is the root cause of security geological impact. The article created the models that load transmits in geotechnical medium, and use laboratory experiments to study the role of the load on the geotechnical body, on the basis of laboratory we analyzed the expression of city construction acts, including the conversion methods, mechanisms of the action, features of the action.
Study on Risk Factors for Transport Crashes Involving Fatigued Professional Drivers
Authors: Fan Wen Sheng , Xu Jian Ping
Published: September 2013

Fatigue-related traffic crashes refers to a crash caused by drivers falling asleep during driving. Unlike drunk driving or overspeed, driver fatigue is affected by many factors. To identify the contributory factors affecting the occurrence of fatigue-related crashes among professional drivers, a case-control study was conducted. The traffic data used in the study was obtained from Department of Public Security Traffic Administrative Bureau Data System in Jiangxi. Crashes (N=58131) occurring during 2006-2011 were researched, and the data of fatigue-related crashes among professional drivers was extracted. Potential risk factors such as human, environment and road were examined. Professional drivers age and gender, driving year, road pavement type and alignment, terrain, time of the accident and streetlight condition are significant factors impacting the occurrence of fatigue-related crashes. Besides, frontal impact, rear-end collision and bump fixation matter are identified as the most common accident types in all of fatigue-related crashes.
Effects of Solvents and Extraction Methods to Extraction of Fructus Leonuri
Authors: Li Tan , Ming Zhu , Shen Ye , Lv Gang , Sun Xin
Published: September 2013

Effects of solvent types and extraction methods were investigated for effective recovery of fatty oils from Fructus Leonuri fruit . Among the five solvents tested, dichloromethane gave the highest recovery with Soxhlet extract ion (SE) , and ethanol gave the highest recovery with microwave assisted extraction (MAE) . In addition, the fatty oil content of the MAE extract was found to be only slightly lower than that of SE, but MAE was shown to permit comparable extract ion efficiency with 30 fold reduction in extraction time and 2 fold reduction in solvent consumption.
Diatom Distributions in the Eastern Yangtze River and the Main Lakes, Jiangsu Province, China, and their Significance for the Forensic Diagnosis of Drowning
Authors: Zhou Yu , Wang Yu Zhong , Huang Jian Wen , Wang Hui Pin , Hu Sun Lin , Liu Chao , Wen Jin Feng , Zhang Xiao Ting , Wang Song Cai , Dai Wei Lie
Published: September 2013

In the presented paper, diatom distributions in the eastern Yangtze River and the main lakes, Jiangsu Province, China, were investigated, and on this basis, its significance for the diagnosis of drowning was discussed as well. Totally, 14 water samples were collected in 5 sites along the eastern Yangtze River and in 3 lakes within Jiangsu province of China in June and September, 2012. The genus and the quantity of the diatoms in the water samples were subsequently investigated using scanning electron microscopy (SEM). With reference to diatom distribution, there is significant difference between the waters sampled from the different sites and in the different months. These data on diatom distribution are helpful to the diagnosis of the cause of the death as well as to the determination of the drowning site in cases of drowning. Therefore, it is necessary to develop the database of diatoms in more extensive water bodies for the forensic diagnosis of drowning in the future.
Population Genetic Data of 21 Autosomal Loci in Guangdong Han Population
Authors: Li Shuang Lin , Liu Chao , Liu Hong , Liu Chang Hui , Weng Wei Xia
Published: September 2013

Samples from 196 unrelated Guangdong Han individuals are typed with the EX22 kit (CSF1PO,D10S1248,D12S391,D13S317,D16S539,D18S51,D19S433,D21S11,D2S1338,D2S441,D3S1358,D5S818,D6S1043,D7S820,D8S1179,FGA,Penta D,Penta E,TH01,TPOX,vWA and amelogenin) and their allele frequencies are determined. Results show that the total discrimination power (TDP) of the multiplex system is 0.999 999 999, cumulative probability of paternity exclusion (CPE) for triplet cases is 0.999 999 997, indicating a high potential of differentiating between individuald in this population.
Effects of Ginkgo Biloba Extract on Liver Protection for Type 2 Diabetic Rats
Authors: Li Xu Sheng , Wu Ren Yan , Pan Wei Ming , Hu Ye
Published: September 2013

Type 2 diabetes was induced by feeding with high-sucrose-high-fat diet and injecting 25mg/kg streptozotocin. Rats were randomly divided into three groups: control, diabetic, diabetic simultaneously injected ip with Ginkgo biloba extract (EGb) for 8 wk. The treatment of EGb attenuated the development of hyperglycemia and hyperinsulinemia in type 2 diabetic rats. The serum levels of cholesterol, triglyceride as well as the activities of alanine aminotransferase, aspartate aminotransferase were significantly decreases in EGb-treated rats. The level of malondialdehyde were significantly increased in diabetic rats and decreased after EGb administration. Moreover, EGb markedly increased the activities of superoxide dismutase, catalase and glutathione peroxidase in liver. The results indicate that EGb has a protective effect on liver of type 2 diabetic rats, which may be related to decreases the accumulation of cholesterol, triglyceride in liver and its antioxidant property.
Antibacterial Activities of Chemical and Biological Food Preservatives towards Food Spoilage Bacillus among and within Species
Authors: Yang Xiao Tao , Wang Jie , Liao Yong Hong , Kaleem Imdad , Li Chun , Zhou Xiao Hong
Published: September 2013

Food preservatives could cause a wide spectrum of antibacterial efficacies against different spoilage microbial species or strains; however, the mode of variation in antibacterial activities among and within species is still unclear which limits their effective applications in food preservation. In this study, ten thermoresistant spore-forming Bacillus strains as a typical spoilage microbial group were used to evaluate the variances of antibacterial activities of three chemical and three biological food preservatives among these species or strains by the statistical analysis of MIC using SAS 9.2 software. The biological preservatives exhibited much higher anti-bacillus activities compared to the chemical preservatives, and significant variances of MICs were observed among different Bacillus species for chemical preservatives while no variances were observed for biological preservatives. Variances of MICs among different strains in a species were not observed for both chemical and biological preservatives. The possible antibacterial mechanism has also been discussed to encounter food spoilage.
Modal Analysis of Wind Turbine Blades Based on ANSYS Modeling
Authors: Chen Chi , Wang Min , Zou Long
Published: September 2013

The modal analysis is an approximate method to study the dynamic characteristics of the structure, the modal is the natural vibration characteristics of the structure, each modal has a specific natural frequency, damping ratios and mode shapes. This thesis will take 1.2MW horizontal axis wind turbine blade for example, and use parametric language APDL of ANSYS for directly modeling, then set the basic parameters of the material, mesh and discuss modal analysis, lastly conduct a detailed analysis of the results.
Prediction of Detonation Velocity of Aluminized Explosive by Artificial Neural Network
Authors: Jiang Yue Qiang , Liu Yong Gang , Tian Xin , Li Gong Bing
Published: September 2013

In this study, a three-layer artificial neural network (ANN) model was constructed to predict the detonation velocity of aluminized explosive. Elemental composition and loading density were employed as input descriptors and detonation velocity was used as output. The dataset of 61 aluminized explosives was randomly divided into a training set (49) and a prediction set (12). After optimized by adjusting various parameters, the optimal condition of the neural network was obtained. Simulated with the final optimum neural network [812, calculated detonation velocity show good agreement with experimental results. It is shown that ANN is able to produce accurate predictions of the detonation velocity of aluminized explosive.
Oxidation of CVD Growth Single-Layer Graphene
Authors: Gao Hui , Zhang Yin
Published: September 2013

Recently, oxidized chemical vapor deposition (CVD) growth graphene has drawn much attention due to its potential applications in the field of optoelectronics. In this article, we report a simple, scalable and efficient method to synthesize oxidized CVD growth single-layer graphene by the strong acid treatment. The results indicate that oxidation process successfully introduced more defects and oxygen-containing groups into the lattice of graphene.
Anodic Behavior of Pb-Ag-Ca-Sr Alloy in Zinc Electrowinning
Authors: Yuan Xue Tao , Lv Xu Dong , Zhou Yu Gao , Hua Zhi Qiang , Lei Yang , Wang Lei , Li Tao
Published: September 2013

Over potentials for oxygen evolution reaction, corrosion rate, surface product after polarization and microstructure before and after polarization of Pb-0.2%Ag-0.08%Ca-0.05%Sr quaternary anode in zinc electrowinning were studied and compared with Pb-0.6%Ag binary anode. The results show that over potentials for oxygen evolution reaction on Pb-0.6%Ag and Pb-0.2%Ag-0.08%Ca-0.05%Sr anodes are 675 mV and 790 mV, respectively, while the corrosion current density are 8.2μAcm-2 and 20.1μAcm-2. The surface structure after experiment of in Pb-Ag anodes is dense and tightly attached to the base, while the surface of Pb-Ag-Ca-Sr is loose and porous. The phases of the surface are PbO2, PbSO4 and MnO2 on both anods.
Effect of Extrusion Route on Grain Refinement during ECAP Process
Authors: Ban Chun Yan , Gao Hai Tao , Li Chuan Qiang , Han Dong , Cui Jian Zhong
Published: September 2013

The effect of the extrusion route (A, C and BC) on grain refinement during ECAP process in 99.9995% (5N5) high pure aluminum using a die with a channel-intersection angle 90° was investigated. It was found through experiment that, the grain was very coarse in the cast ingot of 5N5 high pure aluminum, and the average grain size is about 50~60mm. After two ECAP passes, the average grain size is 300μm, 550μm and 200μm respectively with the extrusion route of Route A, C and BC. After eight ECAP passes, the average grain size is 100μm, 100μm and 30μm respectively with the extrusion route of Route A, C and BC. It indicates that the route BCis more effective than Route A and C. TEM micrograph of 5N5 high pure Al with different ECAP pass under Route BCwas studied.
Scene-Based Adaptive Iteration Bad Pixel Dynamic Correction Algorithm for Infrared Focal Plane Arrays
Authors: Zhao Yi Xiao , Han Lu , Yang Shuo , Tang Lin Bo
Published: September 2013

Infrared focal plane array (IRFPA) bad pixel correction as a prevalent problem is widely used in complex conditions. Therefore, scene-based adaptive iteration bad pixel dynamic correction algorithm is proposed and explored. Adaptive filtering bad pixel detection algorithm is to record the intensity of an image and replace the intensity of the image filtered by a locally acting adaptive filter. Using the intensity of the unfiltered and filtered image to determined the bad pixel which regarded as image noise. By the improved Nagao filtering bad pixel compensation algorithm, filtering sub-windows with the same pixel amount whose patterns are decided by the texture analysis can obtain stronger directivity. Thus, the image boundary pixels do not reappear as flicking dot during the quick scene changes, and the rich scene details are preserved.
LBRM Algorithm for Rule Extraction Based on Rough Membership
Authors: Zhang Xian Yong , Miao Duo Qian
Published: September 2013

Rule extraction is a main goal for rough set theory. This paper mainly constructs a new algorithm (LBRM Algorithm) for rule extraction based on rough membership. The confidence principle is established based on rough membership. Thus, LBRM Algorithm is proposed by utilizing discretization and clearness strategies under the fuzzy environment, and is applied to both interval rules and general rules in fuzzy classification. LBRM Algorithm effectiveness is illustrated by a medical example. In particular, LBRM Algorithm integrates the confidence on both previous LBR Algorithm and fundamental rough membership, and has some improvements on rule confidence.
A New Method for Initial Parameters Optimization of Guided Projectiles
Authors: Feng Bi Ming , Nie Wan Sheng
Published: September 2013

A new algorithm was developed for the initial parameters optimization of guided projectiles with multiple constraints. Due to the relationship between the analytical guidance logic and state variables of guided projectiles, the Radau pseudospectral method was used to discretize the differential equations expressed by control variables and state variables with multiple constraints into series algebraic equations, only expressed by state variables. The initial parameter optimization problem was transformed to a nonlinear programming problem, and the sequential quadratic programming algorithm was used to obtain the optimal combinations of initial height and range to target, and make the final velocity of guided projectiles maximum with constraints. Comparing with the appropriate initial conditions solved by Monte Carlo method and the flight characteristics solved by integrating the original differential equations in the optimal initial parameters computed by the new algorithm, the feasibility of new algorithm was validated.
Analysis and Research of the BPM Model Optimization Based on Dynamic Process Mining
Authors: Yang Zhen Yu , Geng Yu Shui , Wang Xin Gang
Published: September 2013

The process mining is the BPM workflow re-analysis and design of a key technology, refers to a structured procedure describes the method execution information extracted from a real process, also known as the mining work flow dynamic process of mining timely analysis in real-time operation of the information system and recycling in BPM workflow, thereby enhancing the objectivity of the workflow modeling, the model can not rely on existing workflow log building flow models and generate a log, the dynamic generation of workflow net, a good optimization model for BPM.
Determination of Atropine Sulfate, Aminophylline and Vitamin by a Spectrophotometric Method with the Aid of Chemometrics
Authors: Lei Yan Hong
Published: September 2013

Three drugs such as atropine sulfate ,vitamin C, aminophylline were simultaneously determined by a spectrophotometric method comined with the aid ofchemometrics .The result revealed that the principle component regression and the partial least square method overcome the overlapping of their absorption curves in the UV spectral region.It was shown that the predictive errors obtained by the PCR method was 1.59%. Recovery of the method by standard addition method was respectively valued 100.31% (for atropine sulfate) and 99.42% (for vitamin C) and 97.11% (for aminophylline),.
Research on Movement Algorithms of the Police Wheeled Riot Armored Vehicle Based on the Visual Simulation
Authors: Lei Hua Feng , Shan Ning
Published: September 2013

After having researched on mechanics and kinematics of the visual simulation model for the police wheeled riot armored vehicle, we got some mathematical algorithms which could realize real motion in some conventional terrains; and these algorithms will provide some theoretical bases for us to solve problems of controlling gestures for the vehicle. Moreover, in the Vega application platform, these algorithms are well meet the requirements of the armored vehicle with real-time and fidelity during in the visual simulation, and achieve real visual simulation effects for the vehicle.
Visual Simulation of High Altitude Gliding Torpedo Based on Creator and Vega
Authors: Xu Sheng Liang
Published: September 2013

a visual simulation system of the high altitude gliding torpedo was researched, and the model was establish accurately. Because the attitude angle of the gliding torpedo changed quickly, and the background parameters were complicated, the problem of rapid change part and separation of the model always was exist, the visual simulation was hard to carried out. The method with combined using DOF and Switch node was proposed. The MATLAB Simulink model was used to calculate the 6 DOF data and save the data through the To Workspace module. Then Vega application program was written by VC++ 6.0, with reading the motion parameters and using LOD technology which couldnt reduce the display speed, the simulation visual effect was also improved. Simulation results show that the system can achieve the specific visual simulation functions and performance requirements for high altitude gliding torpedo, the visual simulation t will never be distorted because of rapid change part and separation of the model.
Affinity Propagation for the Context Quantization
Authors: Chen Min , Chen Jian Hua , Guo Mo Hai
Published: September 2013

In this paper, the context quantization for I-ary sources based on the affinity propagation algorithm is presented. In purpose of finding the optimal number of classes, the increment of the adaptive code length is suggested to be the similarity measure between two conditional probability distributions, by which the similarity matrix is constructed as the input of the affinity propagation algorithm. After the given number of iterations, the optimal quantizer with the optimal number of classes is achieved and the adaptive code length is minimized at the same time. The simulations indicate that the proposed algorithm produces results that are better than the results obtained by the minimum conditional entropy context quantization implemented by K-means with lower computational complexity.
Warehouse Information Intelligent Optimization System
Authors: Li Qi , Cheng Xiao Hong
Published: September 2013

Scientific and rational management of warehouses and warehouse information to build flexible and effective business development is an important factor. The use of modern computer technology advanced and mature, network communication technology, software development, technical and scientific analysis and design methods, modern scientific management ideas and methods of storage of organic integration into the system, to achieve in all types of enterprise management system procedures, system security electronics.
Experimental Exploration of Emotional Communication Strategies of Foreign Language Teaching in Network Environment
Authors: Xiao Zhi Yan
Published: September 2013

In this study, it explores meaning and application of mutual aid education model using multiple regression analysis of statistics. It establishes multiple linear regression models and the matrix of teaching dynamic factors. It confirms that the emotional communication strategy model of foreign language teaching in the network environment mode in the Foreign Language Teaching not only can effectively improve the overall performance and collaborative communication skills of the students but also can emphasis on the three-dimensional cooperation meaning between teaching dynamic factors.
Case Recommendation Based on Fuzzy Clustering in Personalization Web Services
Authors: Chen Xue Gang , Zhang Jia Lu , Cheng Jie Ren
Published: September 2013

Aiming at the problems of no strong real-time performance and poor scalability using traditional filtering recommendation technology, and a novel case recommended based on fuzzy clustering is proposed in this paper. Using case-based reasoning technology to personalized recommendation system, and the old case is clustered using fuzzy clustering algorithm, and a classification model is built, and the target case-the case base is converted to the target case-case class to reduce the most case retrieval space of the target cases the nearest neighbors. The experimental results indicate that this method can effectively improve the real-time performance, and it is used in E-commerce recommendation systems, and the degree of recommendation results universe of discourse is improved.
Modeling Spread of Information in Finite Hierarchical Networks
Authors: Liu Fang , Zheng Yi
Published: September 2013

A stochastic model of spreading information in an online community networks with finite populations is introduced. The impact of finite population size and cumulative effect on networks with two levels mixing is assessed. A number of explicit results are derived by using the computational methods of Markov chain path integral.
Design and Optimization of a New Micro-Hotplate for Gas Sensor
Authors: Wang Guo Guang , Zhang Xiao Bo , Liu Chang Bai , Liu Li
Published: September 2013

This paper reports on the optimization of a novel micro-hotplate with three pins designed for micro-structural gas sensor. The temperature distribution of the Si-substrated micro gas sensor was simulated and analyzed by the finite element analysis (FEA) tool ANSYS. In order to make the gas sensor obtain perfect properties of good temperature uniformity, the thickness of Si substrate, thickness of the front and rear SiO2, measuring electrode width and electrode space were designed to be 150, 50,100, 20 and 500 μm, respectively. The new micro-structural gas sensor is benefit for the improvement of sensor performance.
The Research of the Real-Time Performance of Power Flow Visualization Based on Digital Power Distribution Network
Authors: Piao Zai Lin , Wang Lu , Wang Juan , Wang Yong Xiang
Published: September 2013

Based on the study of 10 kV digital power distribution network (DPDN) power flow visualization, the paper uses hierarchical backward and forward sweep algorithm (HBAFSA) to significantly shorten the calculation time and improve the real-time performance of power flow, which analysis and layers the distribution network topology according to the breadth-first search and then calculate in parallel between the same level. Programming with Visual C# in Visual Studio 2010 environment gets the GIS data library to actively obtain real-time operating data of distribution network from the SCADA data library, and calculates rapidly with the HBAFSA, and transfers the real-time power flow data to the GIS data library. On the platform of the GIS, clicking nodes and branches can get the visualized real-time power flow, which indicates the achievement of the real-time power flow of the DPDN visualization on the platform of the GIS.
Research on Evaluation Method of the Bridge Strengthening Effect Based on Fiber Optic Sensor
Authors: Wei Yong Jiu , Zhang Jin Tao , Zhang Yun Long , Xi Xiang Chun , Li Kun , Liu Sheng Chun
Published: September 2013

A new evaluation method of the bridge strengthening effect is proposed based on the fiber optic sensor. The monitor layout scheme of bridge is designed to monitor the bridge strengthening effect accurately by measuring dynamic load moment and transverse vibration of the railroad bridge using the fiber Bragg grating sensor. At first, the paper presents the evaluation principle of the bridge strengthening. And then the fiber sensors are set up on the railroad bridge for extracting data of the health status from these sensors. The effect of the strengthening could be shown from the data change after bridge strengthening applied. The researches provide the scheme of the bridge strengthening quality evaluation, which is the base for the control of construction quality for new bridge strengthening technology.