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Bimonthly,Started in December 1984 Pesponsible institution:Department of Education of Guangdong Province Sponsor:Guangdong University of Technology Edited,Published,Distributed:Center of GDUT of GDUT Journal,Periodical Center of GDUT

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For the maintenance of academic integrity and ethics, all members of Journal of Guangdong University of Technology (editors, evaluation experts, and authors) must abide by the basic principles of this journal. This editorship strictly implements the peer review system, reviewing all contributions by going through a three-tier review precedure, namely, the editors' initial review, expert evaluation, and then the final review of deputy editors and editors-in-chief, guaranteeing and improving the quality of all the articles. This journal formulates this statement based on the guiding principles and criteria issued by the Committee of the Publication Ethics (COPE).

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Manipulation of Quantum Information Transferring for Two-level Atoms Injected with Different Time Order in High-Q Cavity

Yan Li1,Yu Jia-li2,Ge Guo-qin 2

Journal of Guangdong University of Technology. 2008, 25 (3): 1-5.

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The system of two atoms at different injection time coupled with the cavity field is studied.Starting from the J-C Model and Master equation involving the both cavity and atomic dissipations,a set of differential equations for reduced density matrix of atom and field respectively was derived and numerically solved.To obtain the atomic evolutions of lower energy level,the experimental parameters of Haroche’s group in high-Q superconductive microwave cavity were refened to.It is found that the evo...

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Influence of PEDOT with Different Conductivity on the Performance of Polymer Photovoltaic Cells

Luo Jie1,Tang Wen-jun2

Journal of Guangdong University of Technology. 2008, 25 (3): 6-9.

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In the fabrication process of polymer photovoltaic cells,the PEDOT was mostly used as buffer layer on the anode in order to reduce the leakage and enhance the correction efficiency.The influence of PEDOT with different conductivity on the PVC device performance was investigated.The result shows the improvement of energy transfer efficiency owing to the anode composed of ITO and PEDOT with highly conductivity.Furthermore,the relation between the thickness of high conductivity PEDOT and device per...

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Effect of Electrolyte Formula on the Self-discharge Properties of Nickel-metal Hydride Batteries

Pei Lei1,2,Yi Shuang-ping1,He Ye1,Chen Qi-meng1

Journal of Guangdong University of Technology. 2008, 25 (3): 10-12.

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The different electrolyte formula effects on self-discharge properties of the nickel-metal hydride batteries in earlier and later periods are stadied.At the same time,the capacity-keeping rate of the battery with different electrolyte formula at different temperatures are researched.The results show that the capacity-keeping rate of the nickel-metal hydride battery has upward trend with the increase of the proportion of NaOH,and the capacity-keeping rate in the earlier period is higher than that...

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The Photo-thermal Properties of Copper-nanofluids

Mao Ling-bo,Zhang Ren-yuan,Ke Xiu-fang

Journal of Guangdong University of Technology. 2008, 25 (3): 13-17.

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To select suitable nanofluids used as recycle fluids for direct absorption solar collector,three nanofluids(copper,carbon black,carbon-coated copper) of different concentrations were prepared by the "two step method".The spectral absorption properties and photo-thermal conversion properties were compared among the three nanofluids through measuring the transmissivity and insolation experiment.The results show that the spectral absorption properties of copper nanofluids and carbon-coated copper n...

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Ni_xCo_1-xO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors

Liu Li-ying,Zhang Hai-yan,Liu Bing-rong,Chen Lie-chun,Chen Yi-ming

Journal of Guangdong University of Technology. 2008, 25 (3): 18-20.

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NixCo1-xO for supercapacitors was prepared by combining co-precipitation and roasting,with NiSO4·6H2O and Co(NO3)2·6H2O as raw materials.The influences of Ni/Co molar ratio,precipitator and NH3·H2O additive on physical and electrochemical performances were studied through XRD,SEM and charge-discharge tests,etc.The results show that nano-materials are obtained under the conditions of NaOH as precipitators,n(NH3·H2O)∶n(NaOH)= 1∶10 and n(Ni)∶n(Co)=9∶1,the 200th specific capacity reaches 39.37 F/g,a...

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Research on the Properties of Superabsorbent in Different Fish Protein Content

He Chun-lin,Wu Guo-jie,Dong Fen-qiang,Li Ni-ni,Wu Wei-liang

Journal of Guangdong University of Technology. 2008, 25 (3): 21-24.

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The superabsorbent was synthesized with acrylic aid and its natrium salt grated on fish protein.Three different superabsorbents were synthesized in the suitable condition with N,N-methylene-bis-acrylamide as cross-linker,potassium persulfate as initiator,and fractio of 10%,20%,30% of fish protein content respectively.Through testing,the properties of superabsorbent were compared.The experimental results show that three products’ absorbency for manpower liquid was 77.59 g/g,73.64 g/g and 65.43 g/...

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A Study of the Preparation and Properties of Edible Films of Chitosan

Li Ni-ni,Wu Guo-jie,Dong Fen-qiang,He Chun-lin,Wu Wei-liang,Lin Long-shui

Journal of Guangdong University of Technology. 2008, 25 (3): 25-27.

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Compound films of chitosan/gelatin / Glucono-Delta-Lactone with glycerol as plasticizer were prepared to assay the elongation properties,water vapor permeability and gas barrier properties of these films.The results show that Glucono-Delta-Lactone,gelatin cooperating with glycerol can improve the elongation properties of films;the water vapor permeability of films increases as with the increase of the gelatin and glycerol;Compound films made from 1% chitosan solution,0.2% gelatin,0.8% Glucono-De...

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Research on Decolorization of Reactive Brilliant Red Dye Solution Via Microwave Irradiation

Lü Song,Li Yong,Zhu Su-fang

Journal of Guangdong University of Technology. 2008, 25 (3): 28-30.

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The reactive brilliant red dye solution was rapidly faded under microwave irradiation in the presence of w=5% activated carbon.The experiment shows that nearly 96.35% of reactive brilliant red is removed when it is irradiated for 3 minutes via microwaves(900W).

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A SIRS Epidemic Model with Varying Population Size and Its Controlling Strategies

Gao Jing-guang,Sun You-fa,Zhang Cheng-ke

Journal of Guangdong University of Technology. 2008, 25 (3): 31-35.

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A SIRS infectious disease model with immigration,birth and death,vertical transmission,and isolation,is studied.According to the global asymptotical stability conditions of the disease-free equilibrium,the integrated strategy for controlling the disease—first isolating the infected individuals,then limiting the liquidity of the susceptible and controlling the vertical transmission,and at last making a tradeoff between annihilating the disease with no terms and the underlying expenses before taki...

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PHM and Its Application in Reliability Analysis of Competing Failure Modes

Wu Jin-huang,Xu De-min

Journal of Guangdong University of Technology. 2008, 25 (3): 36-39.

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The dependence of catastrophic failure on degradation failure is analyzed by proportional hazard model,and a general model of competing failure and a method of estimating parameters are presented.The methodology is demonstrated and validated in the reliability analysis of metallized film pulse capacitors.

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The Upper Embeddability of Graphs with Diameter Three

Liu Duan-feng1,2,Xiao Li2

Journal of Guangdong University of Technology. 2008, 25 (3): 40-42.

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Suppose G is a simple graph with diameter three.If G does not contain the complete subgraph K3 of order three,the Betti deficientcy Number of G,ξ(G)≤1,and thus the graph G is upper embeddable.

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An Approach to Determine Lurie System Stability and Its Application

Lan Dong-sheng,Peng Shi-guo

Journal of Guangdong University of Technology. 2008, 25 (3): 43-46.

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The new criteria of Lurie system stability are obtained by constructing matrix B between b and c of the system and using Lyapunov methods and the theory of metanegative definite matrix.The example is given below.Using the V function which has no integration,it can determine the system stability comprehensively and adjust the data of b,c,A in a stable condition.What is more,it is more suitable for procedures.

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Robust Stability of Multiple Time-delay Systems with Nonlinear Perturbations

Luo Liang,Jin Chao-yong,Chen De-yin,Hu Nan-hui

Journal of Guangdong University of Technology. 2008, 25 (3): 47-50.

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The problem with robust stabilization of uncertain multiple time-delay systems with nonlinear perturbation is proposed.Firstly,based on Lyapunov stability theory,the delay dependent stabilization criteria for the system are set.Secondly,robust controller is given by analyzing the stability of class-loop system.The sufficient condition for the existence of the state feedback controller is derived in terms of linear matrix inequalities.It is finally illustrated that the method presented can reduce...

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Hidden and Embedded Watermarking Algorithm for Digital Audio Signals

Wen Jie-chang

Journal of Guangdong University of Technology. 2008, 25 (3): 51-54.

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A kind of digital audio signal watermarking algorithm is proposed,which has stronger robustness.The influence of embedded watermarking on the original audio signal can not be found by the human perceptual system.The proposed algorithm can resist the general signal processing and audio compressing codes.Computer simulation shows the effiectiveness of the proposed algorithm.

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Research on Multi-Vehicle Scheduling Problems with Fuzzy Demand and Time Windows

Zhu Xiao-feng,Cai Yan-guang

Journal of Guangdong University of Technology. 2008, 25 (3): 55-60.

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After a simple description of the fuzzy demand problem and decision maker’s preference,a series of the multi-vehicle Routing problems with fuzzy demand and time windows in the condition of pure delivery and limit to the number of vehicles are studied.These problems are solved by using Tabu search algorithm

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A Study of the Software Development of GPS Height Transformation Based on the Model Interpolation

Zhang Xing-fu,Yu Hong-bo

Journal of Guangdong University of Technology. 2008, 25 (3): 61-65.

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The approach and mathematic model of GPS height transformation,and the application of remove-store approach based on Earth’s gravity field model in GPS height transformation are researched.The matters of GPS height transformation which need attention are illustrated.The practical software package GPSH is developed on the basis of Visual C++6.0,which is used for transferring the GPS geoid height by the leveling height and leveling height difference observations,and the integral frame and main fun...

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A Study of Time-delay Uncertain Water Quality Model BOD-DO

Song Hua-bing1,2,Zhang Xin-zhen2

Journal of Guangdong University of Technology. 2008, 25 (3): 66-69.

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Research on uncertain water quality model is done to improve the knowledge of the uncertain water condition,and an externally observed variable is always used to analyse the effect of uncertain conditions by regression or filter analysis.A neural network is embedded in to the water quality model to perceive the uncertain conditions of water environment,which will improve the precision of water quality forecast and enrich the uncertain water quality model.

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Improvement of Interpolation Algorithm of Servo Motor Synchronous Control Based on Motion Controllers

Cai Ji-zu,Chen Jian,Li Mian

Journal of Guangdong University of Technology. 2008, 25 (3): 70-72.

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The motor problems of synchronous movement in construction overall transference are ratroduced.And based on the motion controller GT200-SV,with emphasis on the hardware devices,software implementation of linear movement synchronous control of two axes is presented.At last,the experimental data and results are summarized,advanced and improvement ideas are proposed.

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Programme Analysis and Realization of CRC-16 Based on LabVIEW

Chen Gong-xing,Gu Gang

Journal of Guangdong University of Technology. 2008, 25 (3): 73-75.

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Based on the principles and the characteristics of Cyclic Redundancy Check,the problems with CRC-16’s programme algorithm and programme realization have been analysed,and its reliability and validity have been testified by using LabVIEW technology.It shows that the problems of the software and hardware realization of high-order CRC based on LabVIEW technology,in figure and programme language can be coped with well and intuitively.

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Moving Object Detection Based on the Gray Projection of Frame Subtraction

Zhang Chao-yang,Pan Bao-chang,Zheng Sheng-lin

Journal of Guangdong University of Technology. 2008, 25 (3): 76-80.

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Based on the traditional methods of background subtraction and frame subtraction,a method of gray projection combining background subtraction and frame subtraction to implement the fast detection of moving objects is presented.The algorithm utilizes three adjacent frames of image sequences to do the gray projection in the vertical direction,and then the two adjacent frames of gray projection are subtracted.The moving object of middle frame can be detected in the vertical direction through the tw...

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Software Realization of Gas Monitoring System Based on MapX

Wang Bing,Song Jun-hong

Journal of Guangdong University of Technology. 2008, 25 (3): 81-85.

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The module components of Gas Monitoring System are analyzed,and ways are presented to establish the gas monitoring system on the VC++ platform.By introducing the Map Info MapX components to VC++,the system’s ability to monitor and proess GIS information is improved,fulfilling such functions as real-time warning,map control,map search and data management.

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Descriptions of Disturbed State Concept of Rock Stress-strain Relationship under Compression

Zheng Jian-ye1,Wu An-li2

Journal of Guangdong University of Technology. 2008, 25 (3): 86-89.

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Disturbed state concept(DSC)utilizes constitutive models to characterize material responses.The actual response is a weight average value of 2 conference state response values.Both DSC and RMT150B experiment system gives continuous and stable curve of stress-strain including its post peak part.In uni-axial compression experiment of rocks,within a certain scale of strain values,the specimen keeps continuity,and continuum is the premise of DSC.The description of stress-stain relationship starts wi...

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Combination of Modified Cam-clay Model and Lade-Duncan Yield Criterion

Yang Xue-qiang,Zhang Jian-long,Liu Yong-jian

Journal of Guangdong University of Technology. 2008, 25 (3): 90-94.

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Modified Cam-clay model in which the critical state concept is applied successfully,is the most important constitutive model to describe stress and strain relationship of soil mass,and it also is a foundation for developing a more advanced constitutive model.The projection of the modified Cam-clay model on plane is a circle,which does not agree with experimental observation of yield and failure traces of geomaterials on π plane.In three dimensional stress states,it is well known that Lade-Duncan...

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Model of Road Traffic Accidents in Guangdong Province Based on Neural Network

Guo Hai-long,Pan Wei-rong

Journal of Guangdong University of Technology. 2008, 25 (3): 95-99.

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Based on the historic statistic data of road traffic accidents in Guangdong Province,the neural network model of road traffic accidents in Guangdong Province is set up by using BP and Elman neural network model.Moreover the model’s calculation was executed by means of Matlab software,and the calculation results were analyzed.The results indicate that the model is effective.

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