bluuebunny/crossref_metadata_2025 huggingface dataset:
All is MVC: Design and Implementation of a Thick Terminal for Telemedicine
Authors: Zhang Yue Feng , Wang Jun , Wang Chong Jun
Published: June 2013

As the development of medical technology, computer technology and communication technology, telemedicine needs more powerful medical terminals to satisfy expanding user needs. In this paper we brought up that the new terminal should be a thick one to face the challenge, and then discussed the computing migration, a new trend as terminals becoming thick. We designed and implemented a thick terminal prototype for telemedicine, with the software using the MVC architecture and hardware using MVC-like architecture. This terminal achieved our expectation in actual use.
Buried Crack Detection in Aircraft Multi-Layer Structure Based on Pulsed Eddy Current
Authors: Lai Sheng , Chen Hu , Fu Yue Wen
Published: June 2013

The fatigue cracks of key parts, as one of the main damages of multilayer structure in aircraft, are important objects for aircraft structural health monitoring. Conventional electromagnetic testing which uses sinusoidal signal is high sensitive to surface cracks, but it is typically difficult to measure or predict embedding cracks. A novel electromagnetic detection technique is proposed in this paper, and dual polarity low-frequency pulse is used to excite the coil. A time-domain analysis method called time-slice is utilized to obtain the transient amplitude matrix from array signal. Good results have been presented by such dynamic imaging of simulating buried cracks in multi-layer riveted structure. Experimental results show that the new electromagnetic testing has the advantages of hidden defects detection and rapid detection, and it can effectively detect buried defects in multilayer structures of aircraft, and determine damage position.
Modeling and Development of Trend Predicting for Gap Adjustment Automatically in Offset Machine
Authors: Gao Zhen Qing , Wang Yi Ming , Bai Jian Jun
Published: June 2013

Aiming to the advantages of traditional manual mechanical adjustment for gaps between key parts of offset machine, a method for gaps adjusting automatically was proposed and a prototype of adjusting device based on BR622 offset machine was formed. In this research, the principle of adjustment automatically was discussed, the configuration with the ARM controller as core of adjustment automatically system was designed, the control software process was analyzing and a prototype was developed. Finally, a method based on gray model is used to predict the trend of offset machine. The method of automatic adjustment for gap can simplify the operations and has practical significance.
A New Formation Maintenance Technique for Particle Diversity in RBPF-SLAM
Authors: Lee Seung Hwan , Lee Heon Cheol , Eoh Gyu Ho , Lee Beom Hee
Published: June 2013

Rao-Blackwellized particle filter (RBPF) has been to the fore as one of methods to solve simultaneous localization and mapping (SLAM) problem, i.e. RBPF-SLAM. The RBPF-SLAM, however, has been suffering from the particle depletion problem and the convergence problem caused by the improper posterior density and brutal rejection and replication of particles during resampling. We present a new technique to overcome those problems in RBPF-SLAM by keeping the particle diversity using particle formation maintenance (PFM). The triangular mesh structure is adaptively generated as a one form of PFM and it completely replaces the resampling part in RBPF-SLAM. Its considerable improvements regarding robot pose and features were shown in simulation by comparing conventional methods, i.e. FastSLAM 2.0 and PSO based FastSLAM.
Performance-Based Optimal Design of a Dynamic System for a Guided Projectile
Authors: Bback Seung Jun , Son Young Kap , Choi In Sang
Published: June 2013

This paper presents a performance-based approach to design a dynamic actuator system for a guided projectile. The design goal is to optimize dynamic performance measures under both input uncertainty and component variations using a probabilistic design method. Design results using the approach presented in this paper were compared to the initial design in terms of both performance measures and dynamic response characteristics over time.
Computational Fluid Dynamic Analysis of Customised Tibia Bone Scaffold
Authors: Rashia Begum S. , Arumaikkannu G.
Published: June 2013

The function of Tissue Engineering Bone Scaffold lies in Mechanical and Fluid dynamic behaviour to mimic the exact bone tissue. The fluid dynamic characteristic in a porous scaffold plays a vital role for cell viability and tissue regeneration. The Wall Shear Stress of fluid in a porous scaffold gives the cell proliferation. This paper presents, the patients CT scan data in DICOM format is exported into MIMICS software to convert the 2D images into 3D IGES data. The customised bone scaffolds with pore size of 0.6mm in diameter and distance between adjacent edges of pores from 0.6mm to 1mm are created in modeling software (SOLIDWORKS 2011) and porosities of five customised bone scaffolds are determined. The above customised bone scaffolds are analysed in CFD software (ANSYS CFX) for the fluid density 1000 kg/m3 and viscosity 8.2 ×10-4 kgm-1 s-1. The estimated Wall Shear Stress (WSS) at fluid velocities from 0.2mm/s to 1mm/s lies in the range of 9.54 x 10 -4 Pa to 38.3 x 10 -4 Pa.
Research on Design of CNC Fine-Boring Machine
Authors: Ma Fu Quan , Zhong Yue , Yan Ai Zheng
Published: June 2013

The boring machine is used for fine boring on ram. The ram, the machining precision of which is about 5μm level, will be used to make another machine tool after processing. To meet the demand about fine boring, the paper studied the boring machine design. Firstly, make the multi-position process simultaneously by arranging three boring tool on the boring bar corresponding to three stations of ram. Secondly, three eddy current displacement sensors are arranged in the same axial position of the boring tool, which measure the change of the inner wall of three round holes. Errors of roundness, concentricity and parallelism will be calculated based on the measured data, also the feed amount of secondary processing is calculated in order to guide the feed of boring tools which are driven by linear motor in closed loop control. Finally, these steps are repeated until the measurement results meet the accuracy requirements.
Green Ecological Principles in Cultural Architecture Design under the Background of Low Carbon
Authors: Sun Li Ping , An Xiao Ping
Published: June 2013

In the background of low carbon economy,the necessity of green ecology for cultural buildings is stated briefly and some principles are put forward about the green ecological design of cultural buildings. That is, specific culture inheritance should be paid attention to; specific building should adapt to specific local conditions; location and layout should be decided scientifically and reasonably; and even energy saving technology should be applied to each monomer building. In the monomer building design, reasonable shape coefficient should be used; energy saving design for enclosure structure should be preceded; effective sunshade design should be adapted; solar energy should be made full use of; green design should be three-dimensional; collection and storage equipment of rain should be popularized in the little rain areas and so on to realize the harmony of building, environment, and the people.
Environmental Issues Regarding Space Launches over the Black Sea
Authors: Rugescu Dragos R.
Published: June 2013

The Romanian NERVA space project, aimed at building and using a small rocket launcher for injecting nanosatellites into a LEO, requires the establishment of a secure launching area. The first candidate is on the western coast of the Black Sea and the candidate launching and flight corridor is the west-east vector above the sea. A series of ecological and safety challenges appear due to the high population density of the regions close to the sea-shores of the Black Sea; they must be catalogued and securely solved, before any space activity above the Black Sea begins. The main challenges of such an endeavor are analyzed henceforth and several solutions that fall within the scope of a recent research activity of the NERVA team are proposed.
Numerical Determination of Sheet Metal Forming Limit Based on a New Combined Model of M-K Theory and Shear Localization Criterion
Authors: Chan L.C.
Published: June 2013

A combined forming limit model of M-K theory and shear localization criterion is proposed in this paper to study the formability of 6016-T4 Aluminum alloy sheet, with the sheet material modeled by the Yld2000-2d yield function and two isotropic hardening models. The forming limit curve (FLC) of the material can be predicted well using the M-K model in the right region, and using the shear localization criterion in the left region. The critical plane strain of the material was computed using the M-K model and then used to determine the shear localization criterion. In fact, the combined model takes advantage of both of these theories. As a consequence, the results obtained from the proposed combined necking model seem to agree satisfactorily with those of the experiments.
Machinability Index Evaluation: A Case Study of Carbide Inserts
Authors: Sadioura Amritpal Singh , Singh Rupinder , Singh Harwinder
Published: June 2013

The selection of carbide insert on the basis of performance measuring parameters is amulti-attribute decision making problem. This proposed work demonstrates a methodology to evaluate the machinability of the selected turning operation by using graph theory and matrix methods. The qualitative values of attributes are obtained by measuring the process attributes. The fuzzy score has been used to convert intangible factors to crisp scores and then graph theoretic approach has been applied to calculate the single numerical machinability index for ranking among the insert alternatives. Permanent function matrix has been solved by using computer software. This study, in particular, shows the potentiality of graph theory and matrix approach for the analysis, evaluation and selection of carbide insert for machining process. A hybrid decision making method of graph theory and matrix approach (GTMA) and analytical hierarchy process (AHP) is proposed to solve multi decision making problem. The result of study highlights the ranking of inserts based upon machinability index.
Determination of Time Period of Vibration Effect on Seismic Performance of Building
Authors: Ehsan Salimi Firoozabad , Rao K. Rama Mohan , Bahador Bagheri
Published: June 2013

Most seismic codes specify empirical formulas to obtain the fundamental period of buildings. The equations specified in present IS codes, are according to the available data on the time period of buildings measured from their recorded accelerograms. Shear-wall dominant reinforced concrete buildings, constructed, using codes specification are commonly built in different countries, facing a substantial seismic risk, in spite of their high resistance against ground motions. Current seismic code provisions including the Uniform Building Code (International Conference of Building Officials, Whittier, CA, 1997) and the Indian Seismic Code (Criteria for earthquake resistant design of buildings, fifth revision, 2002) are considered to evaluate the effect of time period on seismic behavior of building.In this study, time period obtained by code formulas are compared with those obtained by modal analysis in SAP2000. Also the top story displacement (as an adequate parameter of determination the seismic performance of building) correspond to the values of mentioned time period are estimated using uniform building code and software respectively. It is observed that current empirical equation for calculating the time period of RCC buildings is rather inaccurate. Also it is shown that the time period has very effective influence on seismic performance of building.
The Analysis of Threat about the Lightning Stroke in the Automatic Charging Station in Civil Aviation Airport
Authors: Wang Bao Cheng , Han Gu Yong , Zhou Jun , Lu Song
Published: June 2013

Basing on the cause of the thunder and lightning, this paper makes a model of the threat about the automatic charging station in civil aviation airport and has a detailed analysis of the harm that the thunder and lightning can do to the buildings, personnel, the computer system, the control system and the power system, it provides a theory basis to the design of the protection about the thunder and lightning in the automatic charging station.
DRA Audio Coding Standard
Authors: Ma Wen Hua , Ma Yuan Zhe , You Yu Li
Published: June 2013

Chinas DRA audio coding standard is shown to be a barebone transform coder, utilizing transient-localized MDCT for improved pre-echo suppression and statistic allocation of codebooks for high entropy coding efficiency. A signal path of up to 24 bits is provided throughout the codec so that highest audio quality can be delivered if bit rate suffices. Results of five ITU-R BS.1116 compliant subjective listening tests are presented.
High-Density Li0.95Na0.05FePO4 Cathode Material Synthesized by Co-Precipitation and Microwave Heating
Authors: Li Jun , Tao Xun , Huang Hui Min
Published: June 2013

The high-density Li0.95Na0.05FePO4cathode material was synthesized through microwave heating, using a spherical sample prepared by co-precipitation method as precursor. The morphology, structure, electrochemical performance and the tap density of the materials were characterized by scanning electron microscope (SEM), x-ray diffraction (XRD), cyclic voltammetry (CV), constant current charge-discharge experiment and the tap density measurement. The results indicated that the samples have rules spherical or similar spherical morphology and simple pure olive-type phase. The Na doped Li0.95Na0.05FePO4material showed excellent performance with a tap density of 1.63g/cm3. At room temperature, its initial discharge capacities reached 164.2 mAh/g, 151.5mAh/g, 130.5mAh/g at 0.2C, 1C, 2C current rates, respectively.
Research on Grinding Residual Stresses on the Surface of Nanostructured Ceramic Coatings
Authors: Liu Wei Xiang , Zhou Zhong Yu
Published: June 2013

Residual stress produced on the surface of nanostructured ceramic coatings when they were grinded by diamond superhard abrasive wheel, these residual stresses affected directly the fracture strength, fatigue strength and corrosion resistance of the ceramic parts, they affected the surface quality of machined ceramic parts, and thus they affected the working reliability and the service life of ceramic parts. The tests show that the distribution of residual stress is directional, the residual compressive stress can make the hardness of the material increase, they can reduce the wear rate of the material, for the tested specimen, grinding surface whole residual stress σ is the sum up original residual stress σ0(existed in the part’s surface ) and grinding residual stress Δσ (formed by grinding process.), σ=σ0+ Δσ.
Study on the Relation between the Properties and the Blended Ratio of Newdal Fiber/Fine Polyester Blended Yarn
Authors: Yang Qing Bin , Sun Yong Jun
Published: June 2013

The strength and elongation, the unevenness and the number of hairiness of the Newdal fiber/fine polyester blended yarn are tested. By the analysis of these results, the optimum blended ratio of the blended yarn is determined.
Investigation of Image Characteristics of Plume and Spatters during High-Power Disk Laser Welding
Authors: Liu Gui Qian , Gao Xiang Dong
Published: June 2013

During high-power laser welding process, the workpiece produces metal vapor because of the laser irradiation. The characteristics of metal vapor are related to the quality and stability of welding and the utilization of the laser power. An approach of analyzing the characteristics of metal vapor was researched during high-power disk laser bead-on-plate welding of Type 304 austenitic stainless steel plates at a continuous wave laser power of 10 kW. A high-speed photography was used to capture metal vapor dynamic images. Metal vapor area, beam path, swing angle are calculated by image processing, which is the foundation for monitoring and control of welding quality in real time.
The Influence of Plasma Arc Behavior on Ingot Top Surface Temperature Distribution during PAM Process
Authors: Li Hai Song , Kou Hong Chao , Xu Feng , Chang Hui
Published: June 2013

A 3D finite element model was established to simulate the top surface temperature evolution of Ti45Al8Nb (at.%) alloy ingot under the effect of plasma arc behavior during plasma arc cold hearth melting (PAM) process. According to the model, the top surface temperature distribution and its evolution was analyzed under different heat flux densities. Simulation results show that the position of maximum top surface temperature changes with plasma arc motion, and always located in the plasma arc heating regional center, and it increases first with time elapse and then decreases in the rest of time within one cycle. The results also show that the top surface temperature is increased with the increase in heat flux densities, but the extent is not significant, and meanwhile the temperature distribution is more non-uniform and temperature gradient is greater with the increase in heat flux densities.
Hydrophobic Flexible Silica Aerogels Felts Fabricated by Ambient Pressure Drying
Authors: Wu Xiao Yun , Yu Yu Xi , Guo De Qian , Chen Yong
Published: June 2013

Hydrophobic flexible silica aerogels felts were fabricated successfully by two-steps sol-gel process via ambient pressure drying. First of all, the sol with various pH values was obtained from tetraethylorthosilicate (TEOS) as silicon source, hydrochloric acid/aqueous ammonia ethanol solution as catalysts. Then glass fiber felts was incorporated into the sol to increase the mechanical properties of silica aerogel. After the completion of solvent exchange and surface modification by using trimethylchlorosilane (TMCS)/n-hexane solution, the gel felts were dried under ambient pressure. The samples show excellent hydrophobic properties.
Using High Precision Tracer Test to Identify the Concentrated Runoff Channel in Mine Areas with Karst Water – Example of Fankou Lead-Zinc Mine, China
Authors: Chen Yan Mei , Chen Zhi Hua , Yu Kai Bing
Published: June 2013

Identifying the concentrated runoff channel is critical to prevent groundwater in mining area with karst water. In Fankou mining area, seven groups of high precision tracer tests were carried out using GGUN-FL30 and GGUN-FL20 field fluorescence, to identify concentrated runoff channels. The results indicated that the largest concentrated runoff channel of karst water distributed along the f1 and f2 faults; the second largest concentrated runoff channel of karst water distributed among the E-F curtain; the third concentrated runoff channel of karst water distributed among the H-I curtain; and the F-G-H curtain has good water plugging effect.
The Trust Relay QKD Network Communication Research
Authors: Han Wei , Wu Xin Rong , Zhu Yong , Zhang Wei , Zhou Bin
Published: June 2013

Because of its good network effect, expandability, technology easy to implement, the trust relay Quantum Key Distribution (QKD) network become future secure communication network preferred scheme. The classification and current status of the QKD network was introduced firstly; then the network model of trust relay network, network channel and key relay mode were put forward. Finally, the decisive parameters which affect the trust relay QKD networks effectiveness and performance were proposed. The simulation results confirm that the trust relay QKD network was used for secure communication is reliable.
Application of Three-Dimensional Modelling in the Study of Complex Geological Body
Authors: Zhang Ting Ting , Xiao Ke Yan
Published: June 2013

Three-dimensional modelling technology was applied in this paper to construct models of complex geological body based on borehole data. The 3-D model of the rock, the orebody, the stratum, the fault and so on can be used to display the spatial form of these geological bodies and their spatial relationship, and to predict the trend of the deep ones. It brings geological working a new and multi-dimensional way compared with the traditional methods of confining 3-D information into2-D plane that losing the spatial information. This paper takes a mine area of China as an example to introduce the methods and workflow of the model making and the results of modelling are expressed based on the computer visualization technology.
Neuron Classification Based on Semi-Supervised FCM Algorithm
Authors: Li Rong Ye , Tong Xiao Jun , Zeng Shan
Published: June 2013

The weighted Semi-supervised FCM Algorithm which is based on HPR multiplier (SSFCM-HPR) [1] is used for neuron classification in this paper. 231 groups of neuron data from NeuronMorpho.Org [2] are used in experiments as training samples and testing samples. The classification accuracy of testing samples can reach 93.90% in the experiment. The classification accuracies of testing samples are above 90% if the percentage of training samples is higher than 20%.
Cloud Computing Security Analysis and Reinforcement of Hadoop Environment
Authors: Wang Chao , Qu Hai Peng , Sheng Zhao Yong
Published: June 2013

With the popularity of the research and use of cloud computing, the use and understanding of cloud computing become deeper and deeper, therefore, people's attention and exploration has been sparked by the importance of cloud computing security. This article mainly analyzes the cloud computing security of Hadoop environment, and studies the factors which affect the security of cloud computing, starting from a specific environment. Finally, this paper puts forward an improved Deterministic Packet Marking (DPM) algorithm to improve the security of cloud computing from the aspect of the network.
Hydrothermal Synthesis of Visible Light Active SnO2-SnS2 Nanocomposite Photocatalyst for the Reduction of Cr(VI) in Water
Authors: Li Jing , Du Xi Hua , Dai Wei Min , Zhang Yong Cai
Published: June 2013

A low temperature (130 °C) hydrothermal method was proposed for the synthesis of SnO2-SnS2 nanocomposite. The composition, structure and optical property of the as-synthesized SnO2-SnS2 nanocomposite were characterized by X-ray diffraction, energy dispersive X-ray spectroscopy, transmission electron microscopy, high-resolution transmission electron microscopy and UV-vis diffuse reflectance spectra, and its photocatalytic activity was tested by the reduction of Cr(VI) in water under visible light (λ > 420 nm) irradiation. It was found that the as-synthesized SnO2-SnS2 nanocomposite exhibited high photocatalytic activity in the reduction of Cr(VI) in water under visible light (λ > 420 nm) irradiation, whereas SnO2 nanoparticles displayed no photocatalytic activity in the reduction of Cr(VI) in water under visible light (λ > 420 nm) irradiation.
The Analysis of a Shares Logistics Enterprises' Financing Structure
Authors: Jin Shu Ying , Niu Ze Xian , Qi Shu
Published: June 2013

Financing is the core problem of the enterprises development, particularly the capital turnover intensive logistics industry. And the financing structures have a significant impact with corporate governance and management efficiency. This paper choose twenty Shanghai and Shenzhen A shares logistics enterprise as the sample for analysis, analyze their financing structure based on the 2010 financial data by using statistical analysis method. This paper observed that these Shanghai and Shenzhen A shares logistics enterprises tend to short-term lending from bank and equity financing, the financing performance and the rate of internal financing was extremely low. At last, the paper analyzes the cause of the logistics enterprises' financing structure, and put forward policy suggestions.
Research on Improved Shapley Value Based Profit Allocation of Agricultural Supply Chain
Authors: Chen Xiao Jing
Published: June 2013

The profit allocation as the core factor of the whole agricultural supply chain determines the sustainable development of the whole industry; it will become more complex especially considering the risk of agricultural products. The profit allocation of agricultural supply chain based on Shapley value method of considering the risk factor is studied. The composition of agricultural supply chain is firstly described and the four common risks in the agricultural supply chain are discussed. Then, a new method considering the four risks to allocate the profit in agricultural supply chain is presented. Finally, the presented method of profit allocation is used to solve a profit allocation problem in practice. The results showed the Shapley value of profit allocation after considering the risks is smaller than classic Shapley value and the difference value is caused by the risks. The risks should be eliminated by concerted effort to enhance the stability of the supply chain.
Highly Efficient Oxidation of Toluene to Benzoic Acid Catalyzed by N-Hydroxyphthalimide and Oxime in PEG -1000-Based Dicationic Ionic Liquid
Authors: Ding Hui Ling , Zeng Lan Ping
Published: June 2013

Dimethylglyoxime (DMG) and N-hydroxyphthalimide (NHPI) were used to catalyze oxidation of toluene to benzoic acid with molecular oxygen under normal pressure in PEG 1000 -based functional dicationic acidic ionic liquid (PEG1000 -DAIL). PEG1000 –DAIL enhanced the efficient catalytic ability of NHPI: 89.82% conversion of toluene with 94.63% selectivity for benzoic acid could be obtained at 80°C in 10 h.
Thinking of Speeding up Transformation Construction for Housing Industry — Based on the Perspective of Housing Industrialization
Authors: Shen Liang Feng , Deng Xiao Lei , Ma Chen Bo
Published: June 2013

Housing industry is the economic growth point and the consumption growth area that is fostered in our country, the construction of housing industry in the new period is faced with the urgent task of transformation construction. This paper analyses the characteristic of high-carbon which is reflected in the housing construction recently, including the high standard consumption of housing, the low housing quality, the short lifetime of housing service, the extensive housing construction, the high-carbon materials, the uncleanly energy of housing used, the relatively backward housing design standards, the high energy consumption of stock housing, the little cyclic utilization of housing, the not in place policy support, etc. So the transformation way for housing construction is promoting the housing industrialization. As a result, the guarantee system of transformation construction for housing should be built focusing on the housing industrialization. So the transformation construction for housing industry could be developed fastly depending on the practice of housing industrialization.
The Relationship between Oil Consumption and Employment – Based on Data from Twenty Provinces
Authors: Zhao Ling Di , Hao Qing
Published: June 2013

This paper discusses the relationship between oil consumption and employment growth in 20 provinces of China. In the study, we mainly use the methods of co-integration and Granger causality. The result indicateds that in different kinds of provinces, there are different kinds of Granger causality between oil consumption and employment. In some provinces, such as Shandong province, Liaoning province and Zhejiang province, there exists one-way Granger causality between the two variables; in Jiangxi province, there exists two-way Granger Causality; while in other provinces, there is no Granger Causality among them. The result is highly correlated with the industrial structure, the structure of economic development and the preferences of energy resources in certain cities.
Theoretical Calculation of Electronic Structure and Chemical Bonding in Tetragonal Phase KNbO3
Authors: Wu Xin Yan , Xiong Wei
Published: June 2013

Electronic structure and chemical bonding in tetragonal KNbO3 have been studied by first-principles calculations. The band gap is indirect and a value of 1.64 eV was determined. Chemical bonding feature shows that a significant hybridization between Nb 4d and O 2p states. The bonding between K and NbO3 is mainly ionic nature while covalent nature was confirmed between Nb and O.
Time Series Analysis of Pulmonary Tuberculosis Incidence: Forecasting by Applying the Time Series Model
Authors: Chen Yin Ping , Wu Ai Ping , Wang Cui Ling , Zhou Hai Ying , Feng Shu Xiu
Published: June 2013

The main objective of this study is to identify the stochastic autoregressive integrated moving average (ARIMA) model to predict the pulmonary tuberculosis incidence in Qianan. Considering the Box-Jenkins modeling approach, the incidence of pulmonary tuberculosis was collected monthly from 2004 to 2010. The model ARIMA(0,1,1)12 was established finally and the residual sequence was a white noise sequence. Then, this model was used for calculating dengue incidence for the last 6 observations compared with observed data, and performed to predict the monthly incidence in 2011. It is necessary and practical to apply the approach of ARIMA model in fitting time series to predict pulmonary tuberculosis within a short lead time.
Stress Emotion Recognition Based on RSP and EMG Signals
Authors: Wei Chang Zhi
Published: June 2013

To recognize the stress emotion, a subject was put alternately in periods of high and low stress by configuring the speed and difficulty of a game named Tetris. The respiration (RSP) signal and the electromyogram (EMG) signal with different stress level were then acquired. After preprocessing, the mathematical features were calculated and automatic detection of stress level based on Fisher linear discriminant classifier was realized. The results show that the average correct detection rate of stress level based on the EMG signal can reach 97.8%. That of the RSP signal is only 86.7%. The EMG signal is more effective than the RSP signal in detection of stress level. Union of multiple physiological signals can effectively improve the correct detection rate.
Predictive Efficiency Comparison of ARIMA-Time-Series and the Grey System GM(1,1) Forecast Model on Forecasting the Incidence Rate of Hepatitis B
Authors: Chen Yin Ping , Wu Ai Ping , Wang Cui Ling , Zhou Hai Ying , Zhao Si
Published: June 2013

To compare the stochastic autoregressive integrated moving average (ARIMA) model and the grey system GM(1,1) model to predict the hepatitis B incidence in Qianan. Considering the Box-Jenkins modeling and GM(1,1) model approach, hepatitis B incidence was collected monthly from 2004 to 2011, a SARIMA model and a gray system GM(1,1) model were fit. Then, these models were used for calculating hepatitis B incidence for the last 6 observations compared with observed data. The constructed models were performed to predict the monthly incidence rate in 2013. The model SARIMA(0,1,1)(0,1,1)12 and was established finally and the residual sequence was a white noise sequence. Using Excel 2003 to establish the gray system GM(1,1) model of hepatitis B incidence and evaluating the accuracy of the mode as well as forecasting. By posterior-error-test (C=0.435, p=0.821) and residual test, the model accuracy was qualified. It was necessary and practical to apply the approach of ARIMA model in fitting time series to predict hepatitis within a short lead time. The prediction results showed that the hepatitis B incidence in 2013 had a slight upward trend.
Effect of Adding Seeds During Maceration on Quality of Wine From Vitis Vinifera CV. Cabernet Sauvignon
Authors: Shang Tian Yi , Zhang Yi Bin , Liu Yan
Published: June 2013

Red wines were made from Vitis vinifera cv. Cabernet Sauvignon in China at different methods of maceration. The effects of adding seeds during maceration on the quality characteristics, in terms of colour, aroma profile and sensory characteristics, of the wines before bottling were evaluated, and made a comparison with the effects of adding skins. Seed contact treatments raised wine colour intensity, proanthocyanidins, tannins, and polyphenols content in comparison to the control wines. However, as indicated in the sensory evolution, the significant increase in astringency intensity was found in the wines with seed contact. Besides, the bitterness of the red wine also increased in the wines with seed contact, but it was not significantly
Antioxidant Potential and Bioactive Compounds in Extract and Fractions from the Fruit of Smilax china: an Underutilised Edible Berry
Authors: Huang Hai Lan , Wang Hai Yuan , Qiu Shu Mei , Wang Zong Hua
Published: June 2013

The fruit of Smilax china is an edible spherical berry. The content of some bioactive compounds, antioxidant activities in three different assays, and the relationships between these bioactive compounds and antioxidant activity of the extracts derived from the peel of the fruit of were investigated. The results showed that the ethyl acetate-soluble fraction (EAF) was the richest fraction in total phenolic, total flavonoids content. The n-butanol-soluble fraction (BF) had the highest concentration of anthocyanins. EAF and BF showed good DPPH radical-scavenging activity (DRSA) and reducing power (RP), while the crude extract (CE) possessed better hydroxyl radical-scavenging activity (HRSA) than other fractions. There were statistically significant correlations between some antioxidants and antioxidant activities.
Determination of Trace Copper with Sulfophenylazo Rhodanine by Catalytic Dynamic Spectrofluorimetry
Authors: Zhu Yuan Na , Chen Ya Ming , Ge Shen Guang , Yu Jing Hua
Published: June 2013

Series new methods were established which were based on the research of determination of trace copper with four sulfophenylazo rhodanine derivatives by catalytic dynamic spectrofluorimetry under the optimum conditions. This proposed method was applied to the determination of copper in real samples with satisfactory results. According to experiment results, the influences of different active groups and substitution positions on fluorescent property of rhodanine derivatives were investigated and the relationship between molecule structure and fluorescent property was explored.
Resinification of Factory-Sawdust in Phenol and Optimum Resinification Processing Parameters
Authors: Kang Hai Jiao , Zhang Qiu Hui
Published: June 2013

In order to make full use of wood residues, in this study, we aimed to synthesize resol phenol-formaldehyde resin from liquefied factory-sawdust in phenol in which phenol is 5 times to factory-sawdust in presence of sulfuric acid as catalyst. By using the orthogonal experiment method, the molar ratio of formaldehyde to liquefied factory-sawdust in phenol (LSP) [n (F):n (LSP)], the molar ratio of sodium hydroxide to liquefied factory-sawdust in phenol [n (NaOH) : n (LSP)], the resinification temperature and the resinification time on chemical properties of liquefied sawdust resins (LSR) were investigated. The results show that the ratio of sodium hydroxide to liquefied factory-sawdust in phenol plays the most important role in the processing of resinification, the ratio of formaldehyde to liquefied factory-sawdust in phenol follows, the resinification time and the resinification temperature come to the last two. The optimum processing conditions are as follows: [n (NaOH) : n (LSP)]=0.5, [n (F) : n (LSP)]=2.0, resinification temperature is 80 °C and resinification time is 3.0h. The physical properties of the poplar three-layer plywood bonded with LSR were similar to those with normal PF resins and also satisfied the demands of I level.
The Design and Finite Element Analysis for Crane Turntable Gear Based on Pro/E and ANSYS
Authors: Yang Xian Hong
Published: June 2013

The use of Pro/E and their respective advantages ANSYS software product design and engineering analysis to solve the case, first of all in the Pro/E, the completion of three-dimensional helical gear design, and then in the Pro/MECHANICA completed finite element model of helical gear, and then into ANSYS for finite element analysis of bevel gear calculation and simulation, finite element analysis of the final results of optimization design model is presented recommendations for improvement. The product design and engineering analysis method has some reference value in engineering design.
Research of a New All-Optical Solid-State Scanner Based on GaAs
Authors: Xu Guo Ya , He Jun Hua , Sen Fan , Zhu Yuan Tao
Published: June 2013

Design an all-optical solid-state scanner chip, which can realize high speed light deflection in a very small space, instead of electron beam deflection scan image converter tube and opto-mechanical scanner, cancel the complicated mechanical components, use the all-optical scanning to realize the super fast phenomenon observation. The beam deflection system is based on semiconductor optical waveguide core layer carrier induced refractive index change effect to realize, its development work is mainly divided into semiconductor optical waveguide and saw prisms two parts. And through the experiment, we measured deflection angle of the scanner chip to 1053nm signal light.
Performance Evaluation of Electric Vehicle with 2-Speed I-AMT
Authors: Zhang Yue , Yu Xiang , Guo Lu Lu , Gao Bing Zhao
Published: June 2013

For a novel electric vehicle equipped with 2-speed Inverse Automated Manual Transmission (I-AMT), optimal design of the gear ratios is carried out using dynamic programming (DP) under vehicle dynamic constraints. Given multiple driving cycles, the design target is to make the electric vehicle obtain the best energy consumption economy. After the gear ratios are determined, the performance of the 2-speed electric vehicle is compared with the same vehicle with a single-speed gear box, and it is shown that the 2-speed transmission has much better performacne in terms of acceleration time, maximum speed and energy economy.
A Novel ZnO-Based Graphite-Insulator-Semiconductor Diode for Transferable Unipolar Electronic Devices
Authors: Zhang Zhi Kun , Bian Ji Ming , Kou Xiao Qiang
Published: June 2013

In this paper, a novel ZnO-based graphite-insulator-semiconductor (GIS) diode was fabricated on graphite substrate by radio frequency (rf) magnetron sputtering. A SiO2 thin film was used as the insulator layer grown by electron beam evaporation technique. The measurement of current-voltage of the ZnO-based GIS diode showed a Schottky rectifying diode characteristic with a threshold voltage of 5.2 V and a poor leakage current of ~10-3 A under a reverse bias condition. An interesting negative capacitance phenomenon was also observed from the GIS diode. The successful fabrication of ZnO-based GIS diode on graphite substrate offers the significant opportunity to be readily transferred onto any rigid or flexible foreign substrates, since the graphite substrate consists of weakly bonded layer structure.
Key Problems on New Underpass Beneath the Existing Highway
Authors: Zhang Zheng
Published: June 2013

This paper is a new crossing of a certain city through existing project based on the highway, the 3D numerical simulation is used to the new crossing the roads longitudinal effects of vertical scope, the settlement of surrounding rock and the road, the stress value, as well as the lining of the stress state of. Research shows that six excavation can effectively control the road and the new tunnel surrounding rock displacement and stress by using CRD method in construction; the existing road longitudinal impact area from both ends of road about 6m; lining structure in a safe state, but the wall removed, effect on the internal force of lining is larger, should give attention to construction.
Study on Corrosion Resistant Performance of Sulfoaluminate Cement
Authors: Yu Hao , Li Jian Meng , Xin Huang
Published: June 2013

In the salt lake areas in China, the ordinary cement concrete can be corroded by the salt in the saline soil seriously, and the application of ordinary portland cement concrete in this area is impeded. Therfore, some new cementitious materials which has high durability should be searched in order to be used in the underground engineering in saline soil areas. In this study, the sulfoaluminate cement is immersed into the salt solution that has high concentration Mg2+, Cl-, SO42-, and the complex solution of them. The corrosion resistance performance of sulfoaluminate cement against high concentration salt solution is tested. The results indicate that Sulfoaluminate cement has perfect durability against sulfate corrosion whose concentration is in the scope of this test. Sulfoaluminate cement can not be corroded by MgCl2 solution when MgCl2 solution concentration is lower than degree 3; but when the concentration of MgCl2 solution reaches degree 4, MgCl2 solution could corrode the sulfoaluminate cement seriously. The corrosion of the specimens immersed in MgCl2 solution whose concentration is degree 4 is caused by the composite action of Mg2+ and Cl-.
A Multi-Slot-Waveguide-Based Ring Resonator Sensor on Silicon-on-Insulator Platform: Design and Simulation
Authors: Gao Liang , Yuan Guo Hui , Liu Xing Li , Chen Yu Ren
Published: June 2013

We design a double slots based on micro-ring resonator on silicon-on-insulator (SOI). An asymmetric structure is considered for the ring waveguide in order to improve the sensor's bending efficiency. Finite-difference time-domain (FDTD) method is used to analyze and optimize this sensor. The optimized size of the sensor is below 25×15μm2. Numerical analysis shows that when the radius of the micro-ring is about 5μm, the sensitivity reaches a value of 708nm/RIU, which is ten times of that of the conventional micro-ring sensor. Quality factor (Qfactor) of 580 and free spectral range (FSR) of 33nm are also obtained. Our analysis also shows that the sensor has good sensing characteristics to different organic solutions.
Divergent Light Output of Full-Spectrum Solar Simulator Integrator Design
Authors: Gao Ling , Wang Zhao Xin , Zhang Hui , He Si Ming , Liu Jing
Published: June 2013

The integrator of solar simulator is one of the most important parts for the spectral characteristics and illumination. Its provided a kind of integrator for divergent output of full spectrum solar simulator by studying and researching optical system, main parameters, and parameters design and so on. Finally it summarized the structure, position and material of the optical integrator.
Filter System of a Type of Divergent Light Output of Full-Spectrum of Solar Simulator Design
Authors: Gao Ling , Zhai Yan Nan , Li Jun , Liu Jing , Zhang Hui
Published: June 2013

It's manly proposed a type of filter system for divergent light output of full-spectrum which satisfies the needs of all skill requirements. It also gave out the materials of filters and placement in the optical system, after verification of the theory, the filter system meets the requirements of the spectral range and irradiance.
Research on PAPR Reduction Techniques for Asymmetrically Clipped Optical OFDM Communication System
Authors: Wang Yong , Jing Yan Ling
Published: June 2013

Asymmetrically clipped optical OFDM is modulation techniques with high optical power efficiency, but it has the high peak-to-average power ratio (PAPR). In atmospheric laser communication system, the high PAPR will not only have an impact on system performance, but also have damage to the human eye or skin. To solve high PAPR of asymmetrically clipped optical OFDM system, some solutions that have been proposed for wireless OFDM system have been studied. But all these methods can not be directly applied to the asymmetrically clipped optical OFDM system. In this paper, these methods have been adapted, and performance of these methods is analyzed. The simulation results show that the adapted methods can well reduce the PAPR of asymmetrically clipped optical OFDM system.
Parameter Optimization of Street-Phelps Model Based on Particle Swarm Optimization
Authors: Zhang Bi , Wang Jia Yang , Li Zuo Yong
Published: June 2013

Particle swarm optimization (PSO) is introduced and tried to optimize the parameters of Street-Phelps model. Here, the inertial adjustment method was used to adopt the inertial weight of PSO. Parameters of Street-Phelps model were optimized by PSO, the performance is compared with other method. Results show that PSO plays an important role in solving global optimization problem, and demonstrate the effectiveness and higher accuracy than other methods.
An Improved Method Based on Fast Bilateral Filter for High Dynamic Image Rendering
Authors: Zhang Hui , Wang Hua , Cao Jian Zhong , Zhao Xiao Dong , Lei Yang Jie , Liu Guang Sen
Published: June 2013

This paper presents an improved high dynamic range image tone mapping method based on fast bilateral filtering. The algorithm first applied a bilateral filtering to the luminance channel of the image, the image is decomposed into an HDR base layer and an LDR detail layer. Then the HDR base layer is blurred with bilateral filtering again, get the details portion of the base layer, at the same time the dynamic range of the global base layer is compressed. Finally, the detail component and the compressed HDR base layer are recombined and the result is tone-mapped image for displaying. For color image, the color restoration converts luminance value into RGB color. Experimental results show that the proposed technique performed better than the conventional bilateral filtering, preserving more details and enhancing local contrast, giving decent visual effect and avoiding additional artifacts.
Computer Simulation of Self-Assembly of Disc-Shaped Nanoparticles
Authors: Du Bo , Wang Zi Lu , He Xue Hao
Published: June 2013

Understanding how nanoparticles self-assemble into specific structures is important in biology. The self-assembly structures of disc-shaped nanoparticles are investigated using Gay Berne potential. Through the simulated annealing Monte Carlo simulation underNVTcondition, we found that various nanostructures such as nematic phase and isotropic phase are discovered. The formation mechanism of these novel nanostructures is discussed.
Modified Bit-Flipping Decoding of Low-Density Parity-Check Codes
Authors: Liu Yuan Hua , Zhang Mei Ling
Published: June 2013

A novel bit-flipping (BF) algorithm with low complexity for high-throughput decoding of low-density parity-check (LDPC) codes is presented. At each iteration, a novel threshold pattern is used to determine the code bits whether to be flipped or not, and the flipping error probability is effectively decreased. Compared with the weighted BF algorithm and its modifications, the modified BF algorithm has significantly lower complexity and decoding time. Through simulations the proposed BF algorithm is shown to achieve excellent performance and fast convergence speed while maintaining significantly low complexity thus facilitating high-throughput decoding.
Research of Self-Adjust LOD Algorithm Based on GPU
Authors: Yu Wen Long , Zhang Li Min
Published: June 2013

The paper presents a kind of LOD terrain simplify algorithm based on the structure of Quad tree .This algorithm which is relative with view point designs the LOD distributed by the strength of view sense. It means the terrain's detail changes according to the changing characters such as distance of imaging. And it also presents a method to avoid mutation and slit of image render on GPU.
Flux Cored Wire Material Gas Shielded Arc Welding Thick Steel Plate Welded Crack Analysis
Authors: Zhang Lian Zhong , Wen Jie Li
Published: June 2013

The world shipbuilding industry since the beginning of the last century with flux cored wire material.Since the flux cored wire material use welding materials has developed into a more efficient submerged arc welding consumables and gas shielded welding welding consumables and can be more easily combined with automated welding and robot welding.So far, flux cored material applications favored. Gas shielded arc welding consumables mainly divided solid wire and flux cored wire, flux cored wire applications has increased year by year because of its practicality and efficiency.Flux cored wire as the main welding consumables trends, especially in the thick carbon steel plate welded favored. In order to understand the nature of the thick-walled components weld cracking and produces original Due on a thick-walled T-joints butt weld ultrasonic flaw found Two crack metallographic and SEM fracture analysis.