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Chinese
Volumn Content
Journal of Jishou University(Natural Sciences Edition) 2011 Vol.32
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Various General Total Colorings of Graphs
CHEN Xiang-En, GAO Yu-Ping, YANG Sui-Yi
journal6 2011, 32 (
1
): 1-3.
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2458
)
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A proper total coloring of a graph G is an assignment of colors to the edges and vertices of G in such a way that no two adjacent vertices,no two adjacent edges,and no incident vertex and edge receive the same color.In this paper,the authors weaken the constraints of the proper total coloring to obtain several general total colorings and discuss their chromatic numbers.
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On the Diophantine Equation 1+7
x
=2
y
5
z
+2
u
5
v
7
w
SONG Rong-Yan, DENG Mou-Jie
journal6 2011, 32 (
1
): 4-6.
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(
2421
)
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With computer assistance,all solutions in nonnegative integers to the diophantine equation 1+7
x
=2
y
5
z
+2
u
5
v
7
w
are given by
(
x,y,z,u,v,w
)≡(1,2,0,2,0,0),(2,0,2,0,2,0),(2,1,1,3,1,0),(2,3,1,1,1,0),(3,5,0,3,1,1),(t,0,0,0,0,t),where t is any nonnegative integer.
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Conjugacy Classes of Elements of Order 3 in GL(2,Q)
LIANG Deng-Feng, PENG Da-Qian, YOU Xing-Zhong
journal6 2011, 32 (
1
): 7-10.
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(
3166
)
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By an elementary proof,conjugacy classes of elements of order 3 in the general linear group GL(2,Q) are determined in this paper.
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Theorems of Existence and Uniqueness of Fixed Point of Mixed Monotone Operators and Applications
XU Shao-Yuan
journal6 2011, 32 (
1
): 11-13.
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(
2227
)
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A class of concave convex mixed monotone operators are discussed.Without any continuity and compactness,some new existence and uniqueness theorems of fixed points of mixed monotone operators are obtained by means of semi-order method.In consequence,some corresponding results are improved.
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Iterative Algorithm with the Errors on a New Class of Nonlinear Fuzzy Mixed Quasi-Variational Inclusions
ZHU Hong-Ying, LI Hong-Gang
journal6 2011, 32 (
1
): 14-17.
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(
2437
)
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A new class of nonlinear fuzzy mixed quasi-variational inclusions with (
A,η
)-accetive mappings in Banach spaces is introduced and studied.By using the resolvent operator associated with (
A,η
)-accetive mappings,a new iterative algorithm with the errors and an existence theorem of solutions for this kind of variational inclusions are established and discussed,and the convergence of iterative sequences generated by the algorithm is proved in q-uniformly smooth Banach spaces.
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Further Result of the Normal Family of Meromorphic Functions
LIU Chuang-Lin, DING Li-Wei, YUAN Wen-Jun
journal6 2011, 32 (
1
): 18-21.
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2053
)
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Let
F
be a family of meromorphic functions in a domain D,and let
k,n(n≥k+2)
be positive integers.Let
a
≠0 be a finite complex number.If for each
f∈F
,the zeros of
f
have multiplicity at least
n
,and
G(f)
and
G(g)
share
b
in
D
for every pair of functions
f,g∈F
,where
G(f)=P(f(k))+H(f)
is a differential polynomial of
f F
is normal in
D
.
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Numerical Simulation of Navier-Stokes Equations Based on Density
CHEN Jie, WANG Xia, FANG Shao-Mei
journal6 2011, 32 (
1
): 22-25.
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The numerical theory of the incompressible fluid described by Navier-Stokes Equations is studied.By the finite difference theory,fluid field dynamic forms are simulated and the corresponding flow field chart is obtained.
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Parallel Algorithms for a Solute Transport Model
DENG Yong-Hui
journal6 2011, 32 (
1
): 26-29.
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(
2448
)
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This paper presents the parallel algorithms of precise integration methods.The subdomain parallel algorithms of precise integration of convection-diffusion equations are given.The method take advantage of the high precision of precise integration methods,and they also avoid a large amount of matrices calculation of whole domain methods.The precision of the methods is better than that of the single point integration.
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Review on Trustworthy Web Service Composition
CHEN Hai-Yan, LIU Jian-Xun, HU Rong
journal6 2011, 32 (
1
): 30-36.
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2931
)
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This article introduces the concept of Web service composition and trustworthy computing at first.It then gives a detailed review of a trustworthy Web services composition.The possible direction of trustworthy web services composition is concluded at last.
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Model of Learning Performance Based on System Dynamics
YING Guang-Long, WU Yan-Wen, LI Shi-Xiang, TIAN Qing-Heng
journal6 2011, 32 (
1
): 37-41.
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At first,this paper makes a literature study of learning performance,and then taking CET-6 simulation test for example,the authors make some related investigations and analysis about factors that affect learning performance.On this basis,the authors make a model of learning performance about college students by importing ideas and methods of System Dynamics.And then the authors make a simulation on this model by the Vensim Software and provide analysis about it.At last,the authors provide some suggestions through analyzing investigations and interviews with undergraduate students.This research is hoped to get a better effect in practice.
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Security Analysis of RSA Encryption Algorithm
XIANG Jin
journal6 2011, 32 (
1
): 42-44.
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(
7787
)
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Recently,RSA encryption algorithm is a widely used asymmetric encryption algorithm with high security.Mathematic basis of RSA encryption algorithm which belongs to asymmetric encryption system is analyzed.Possible methods to decrypt it are discussed as well.Then,according to recent running speed of computer,time for decryption by using a normal length of key is calculated.Besides,quantitative analysis of security of RSA algorithm is implemented.
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Information Reading and Writing Based on Two Cold Ions in a Two-Dimensional Trap
WU Yun-Wen, ZHOU Xiao-Qing, ZHAO Han, LIU Jing-Chun
journal6 2011, 32 (
1
): 45-48.
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2616
)
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When the Coulomb potential is considered,a set of exact solutions of Schr?dinger equation are obtained based on two trapped cold ions in a two-dimensional ion trap.Discrete eigenstates and eigenenergies indicate that the radial motion quantum number is changed in an integral multiple of 1/2,fermions and bosons appear alternately,the motion of mass center magnetic quantum number mc and relative motion magnetic quantum number m make the quantum state generate a stochastic phase factor mcβ+mθ.Taking several states with cold two H+ as examples,a kind of ways of quantun coding by quantum state are obtained.In quantum information processing,utilizing discrete eigenstates ψnc,mc,l,m is generated in order to realize the quantum information reading and writing by phase change.
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Matlab Simulation Analysis of Fourier Spectrum Based on FFT
YE Fu-Qiu
journal6 2011, 32 (
1
): 49-51.
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5287
)
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The interference pattern of the sodium lamp light and the mercury lamp light is measureed by Michael interference device,using the transformation relations of the interference pattern and the spectra which exist in Fourier spectrum,the sodium lamp and mercury lamp radiation spectrum is analyzed by fast Fourier transform method.The results show that the Fourier transform spectrum can clearly display the radiation spectrum of the radiation source.
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Calculation of Electronic Structures of Al-Cu Alloys
XU Wan-Ma, PENG Jin-Zhang, SHI Chang-Bai, LIAO Mai-Xin
journal6 2011, 32 (
1
): 52-55.
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2474
)
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Using empirical electron theory of solids and molecules (EET),the electronic structures of the precipitates of Al-Cu alloys,which precipitates in different aging condition,were calculated.It is concluded that the strength of the alloys is consolidated successively by analysing the covalence bond strength.
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Key Technologies and Evolution in Wireless Sensor Network Data Gathering
LIANG Ping-Yuan, CHEN Bing-Quan, TAN Zi-You
journal6 2011, 32 (
1
): 56-62.
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3217
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Because of the self-organization network structure,wireless sensor network (WSN) data gathering has enormous advantages compared with other networks.However,many key problems have not been resolved in wireless sensor networks yet because of limited resources.In this paper,the key technology and main challenges in WSN data gathering are summarized,and the main performance index and research methods of WSN network protocols in data gathering are introduced.At the same time,several new technology combined with WSN are analyzed and discussed.In the end,the research direction in the future is prospected.
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DEA-Model-Based Quality Control of Highway Construction Project
LIU Bing-Quan, LIU Jian-Jiang, LIANG Xiang-Dong
journal6 2011, 32 (
1
): 63-66.
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2456
)
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Based on literature review of project quality management,this paper specifically researches highway construction quality control issues.It initially sets up an analytical framework about quality control of highway construction project through the design of quality control system,theoretical modeling and other methods.This paper uses DEA methods for evaluation of optimal number of homogeneous DMUs efficiency evaluation model to achieve the automation of quality control of highway construction projects.
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Teaching Quality Evaluation Model Based on Revised BP Neural Network
CAI Bing
journal6 2011, 32 (
1
): 67-70.
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(
3153
)
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To improve and perfect the quantitative evaluation of university teaching quality,three evaluation methods are given,i.e.,AHP,multiple regression analysis based on clustering method and evaluation method based on BP neural network.The evaluating principles of three methods are analyzed,and their advantages and disadvantages are pointed out.The study is a certain reference for the establishment of a more scientific evaluation system of teaching quality.
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Design of 400 Hz Mid-Frequency Power Supply Based on DSP and CPLD
PEI Su-Ping, WANG Geng
journal6 2011, 32 (
1
): 71-73.
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(
3294
)
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The paper proposes a new way to obtain pure sinusoidal based on DSP for the research and design of 400 Hz AC power supply.It gives the main circuit,control circuit and software design flow chart.A prototype is designed using the DSP as the master chip.The experimental result shows that this way not only can simplify the system structure by DSP and CPLD,but also can improve the power factor,reduce harmonics and enhance efficiency.
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New Recorded Plants from Wuling Mt.in Hunan Province(Ⅱ)
CHEN Gong-Xi, ZHANG Dai-Gui, XU Liang, XIAO Yan, ZHOU Jian-Jun
journal6 2011, 32 (
1
): 74-78.
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(
3095
)
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Some taxa,including 17 species,3 varieties,belonging to 16 genera in 11 families are reported.They are Thalictrum xingshanicum G. F. Tao,Clematis armandii var.hefengensis (G. F. Tao) W.T.Wang,Polygonum viviparum Linn.,Impatiens pritzelii Hook. f.,I.blinii Lévl. Cat.,Daphne tangutica var.wilsonii (Rehd.) H. F. Zhou ex C. Y. Chang,Wikstroemia gracilis Hemsl.,Trichosanthes parviflora C. Y. Wu ex S. K. Chen),Fragaria vesca Linn.,Rubus innominatus var. quinatus Bailey,R. bambusarum,Rosa omeiensis Rolfe,Potentilla ancistrifolia Bunge,P. cryptotaeniae Maxim.,Astragalus wenxianensis Y. C. Ho,Distylium tsiangii Chun ex Walker,Sarcococca hookeriana Baill.,Carpinus omeiensis Hu & D. Fang,Euonymus venosus Hemsl.,E.microcarpus (Oliv.) Sprague.And the error record of Alysicarpus vaginalis (Linn.) DC.in this region is rectified.
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Relationship Between Understory Vegetation and Canopy Stratum Trees in Huitong Forest Region
LONG Feng-Ju, ZHANG Dai-Gui, Anand Narain Singh, SU Xiu-Jiang, YAN Shao-Kui, WANG Si-Long
journal6 2011, 32 (
1
): 79-84.
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(
2889
)
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Non-metric multidimensional scaling (NMS) analysis was used to get two direct gradients in canopy tree species-site relationships from canopy data set,then principal components analysis was used to extract two principal components (PC1 and PC2) from canopy variables including the two direct gradients and other canopy parameters as the environment variables of understory vegetation,and how the two principal components affect understory vegetation was studied,not only in species diversity and composition but also with reference to species assemblages.No significant effect of forest structure (represented by PC1 scores) on diversity of understory vegetation was found,however canopy composition (represented by PC2 scores) has a strong influence,explaining 36.9% variation in understory species diversity.DCCA (detrended canonical correspondence analysis) ordination to was used to explore the changes in understory species composition-canopy relationships,and canopy variables was found to significantly influence the distribution of the understory species.For example,Elaeocarpus decipiens,Aleurites Montana,Elaeagnus pungens,Cyclobalanopsis glauca,Diospyros kaki. var. sylvestuis and Cinnamomum parthenoxylon are strongly associated with forest structure,and Hemiboea henryi,Anisocampium sheareri,Akebia trifollata,Dendrobenthamia honghongensis and Phoebe sheareri are strongly associated with canopy composition.However forest structure is much weaker than canopy species composition in explaining understory composition.Null-model was also used to test the understory species co-occurrence patterns along three different forest structure and canopy composition scales.Only canopy composition significantly influences Stone and Roberts's C-score.The results suggest that canopy composition is among the most influential forces in ecosystem process,and imply that canopy composition might have played a major role in creating observed understory community patterns.
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Determination of Chemical Diffusion Coefficient of Lithium-Ion in LiVOPO
4
XIONG Li-Zhi, LIANG Kai, HE Ze-Qiang
journal6 2011, 32 (
1
): 85-87.
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2633
)
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A relatively simple galvanostatic method was used for the evaluation on the average chemical diffusion coefficient of lithium-ion in spinel LiVOPO
4
prepared by rheological phase method.The diffusion coefficient of lithium-ion was estimated to be 4.78×10
-11
cm
2
·s
-1
and 3.27×10
-11
cm
2
/s for charge and discharge,respectively.
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Synthesis and Performance of Li(Ni
1/3
Co
1/3
Mn
1/3
)
1-
x
Cr
x
O
2
Anode Materials of Lithium-Ion Battery
LIANG Kai, MO Ru-Bao, LIU Jian-Ben, HE Ze-Qiang
journal6 2011, 32 (
1
): 88-92.
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(
2959
)
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A series of Li(Ni1/3Co1/3Mn1/3)1-xCrxO2 (0≤x≤0.1) samples were prepared as anode materials of lithium-ion battery by using oxalate co-precipitation method.The crystal structure and surface morphologies of the products were analyzed by means of X-ray diffraction(XRD)and scanning electron microscopy (SEM) methods.The electrochemical performance of Li(Ni1/3Co1/3Mn1/3)1-xCrxO2 was evaluated by charge/discharge tests.Results show that Li(Ni1/3Co1/3Mn1/3)1-xCrxO2(x=0.01,0.03,0.05,0.07) keeps bedded structure of α-2NaFeO2 and have cubic structure of phase R3m,The Li(Ni1/3Co1/3Mn1/3)0.95Cr0.05O2 has the best electrochemical performance,an initial discharge capacity of 158.6 mAh/g and the capacity fade is only 3.92 % after 30 cycles of charge-discharge within 2.5~4.5 V.The electrochemical circulation mechanism of the products was analyzed by means of ac impedance methods.Besides,Li(Ni1/3Co1/3Mn1/3)0.95Cr0.05O2 and Li(Ni1/3Co1/3Mn1/3)CrO2 electrodes had different changes of impedance,leading to different effects on the electrochemical performance.
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Surface-Modification of CdTe Quantum Dots with Bovine Serum Albumin and Analytical Application
ZHANG Wen-Long, ZHANG Jun-Sheng, ZHOU Li-Ping, CHEN Li-Hua
journal6 2011, 32 (
1
): 93-97.
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(
3346
)
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Mercaptoacetic acid-stabilized CdTe quantum dots were prepared by hydrothermal synthesis method.The CdTe quantum dots exhibited absorption at 502 nm and fluorescence emission at 538 nm,respectively.When surface-modification of CdTe quantum dots were replaced with BSA,absorption peak and the fluorescence peak remained the same,while absorption intensity and the fluorescence emission intensity increased.The effect of pH、temperature and ion strength on fluorescence intensity were discussed.Under the optimal conditions,a mass concentration of BSA in the range of 0.05~1.0 mg/L shows a linear relationship with the fluorescence intensity increasing value of CdTe quantum dots,with a detection limit of 0.011 7 mg/L.The proposed method was applied to detection of the concentration of BSA in buffer solution.
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Oriental Economics,Economic Topology,Economic Evolutionism and Recycling Economy
ZHANG Yi-Fang
journal6 2011, 32 (
1
): 98-104.
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2993
)
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In economic topology,the economic equilibrium states are some stationary equilibrium regions in the static economics,and the analysis for the economic process is the dynamic economics.The stability and economic change curves are discussed by theory of qualitative analysis.Based on mathematics of the common restraint or promotion principle of the oriental economics,the commercial and economic evolutionism and dynamics are mathematically searched,which is analogy with the evolutionism of ecosystem.Various relations and changing pattern in the dynamic micro-economics are researched by the qualitative analysis.Finally,the author discusses the complete recycling economy in Chinese traditional agriculture and farm and the public choice.
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Empirical Analysis on Coordinated Development of Urban-Rural Commodity Markets in China and the Countermeasures
TANG Hong-Tao
journal6 2011, 32 (
1
): 105-109.
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2521
)
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The level of the Chinese market has exceeded the critical level,but there is still a great gap between the development of urban and rural commodity markets.The author built the index system of coordinated development of China's urban-rural commodity,calculated degree of commodity market development coordination in 1978—2007 by factor analysis and analyzed the impact factors through the instrumental variable regression.The results show that the coordination of China's urban-rural commodity market grow high in 30 years,but mainly in the protection factors and power factors,while the state factor will fluctuate several times.GDP,urbanization and industrialization have a significant positive effect,commodity rate also has a positive contribution,but urban and rural trade barriers play a non-linear effects which are different in different stages of development.
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Tai Chi and Traditional Chinese Outlook on Harmonious Life
CHEN Bi-Hua
journal6 2011, 32 (
1
): 110-113.
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2750
)
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Tai Chi,a kind of traditional Chinese shadow boxing,takes on traditional Chinese philosophy on harmonious life.By combining peace and actions,asthenia and sthenia,strength and tenderness,Tai Chi,with its changing movements,embodies the deep traditional philosophy on harmonious survival,which can release people's psychological crisis caused by tense,busyness,and fierce competition.
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Investigation and Analysis of the Inflencing Factors on the Physical Education Effect for College Girls
FAN Wei
journal6 2011, 32 (
1
): 114-116.
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2445
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The influencing factors on the physical education effect for college girls are investigated and analyzed.It is pointed out that,to improve the quality of physical educations for college girls,it is necessary to carry out an all-sided reform in the content of the course,the teaching methods,and the teaching objectives;and it is also necessary to bring physical education in full play from theory and practice,so that students’ sports capacity can be cultivated and the basis for lifelong physical education be established.
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Research and Practice of Integration of Two Courses “Signals and Systems” and “Digital Signal Processing”
LUO Yi
journal6 2011, 32 (
1
): 117-119.
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“Signals and Systems” and “Digital Signal Processing”,two core courses of information specialty,are integrated.The new curriculum system is set up.The reforms are tried in the aspects of teaching content,teaching methods,teaching skills,experiment teaching,evaluation methods and etc.The research and practice of integration of the two courses are elaborated.
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Study and Practice of Fault Simulation of Network Wiring
LIU Yi, WANG Jin
journal6 2011, 32 (
1
): 120-123.
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2384
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To simulate network wiring faults in non-engineering environment and thus to explore the reasons for those faults,RLC components are introduced in net wires and the connection order is changed.In this way,simulation of various faults is realized,which solves the problems of fault measurement and judgment in network wiring teaching.
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Adjustment Variation of US-Japan Alliance on China’s Diplomatic Strategy
ZENG Rui-Rui
journal6 2011, 32 (
1
): 124-128.
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3379
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After the cold war,the US-Japan alliance has been making adjustment to the change of the international pattern.And now,restraining and encircling China has become the strategic goal of the US-Japan alliance.This certainly offends China’s core interests and is closely connected with China’s national security.However,because of the interest conflict,the collision of ocean strategy,cultural difference,world pattern and China’s development,there are many contradictions in the US-Japan alliance.Therefore,China should seize the opportunity and appropriately handle Sino-US and Sino-Japan relations.
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Law of Computing the Clear Number
SU Fa-Hui
journal6 2011, 32 (
2
): 1-5.
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(
1985
)
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Based on clear number addition,this paper discusses the laws of clear number addition and subtraction and draws meaningful conclusions.〖
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New Extension of Hardy-Hilbert’s(Operator) Inequality
NIE Cai-Yun
journal6 2011, 32 (
2
): 6-8.
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2145
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A bilinear operator inequality is improved by means of a sharpening of Hlder’s inequality.Some new inequalities are established.
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Halpern’s Algorithm for Nonexpansive Mappings in CAT(κ) Spaces
WANG Xian-Yun, FANG Dong-Hui
journal6 2011, 32 (
2
): 9-12.
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(
1974
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It is proved that the sequence defined by Halpern’s algorithm converges strongly to a fixed point in complete CAT(κ) spaces.
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Unique Continuation of Strong Solutions of Shallow Water Equations
ZHU Nian-Hua
journal6 2011, 32 (
2
): 13-18.
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It is shown that strong solutions of shallow water equations,initially decaying exponentially together with its spacial derivative,must be identically equal to zero if it also decays exponentially at a later time.In particular,a strong solution of the Cauchy problem with compact initial profile can not be compactly supported at any later time unless it is the zero solution.
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Stability of a Class of SIR Epidemic Mathematical Model
CAO Xiao-Jun
journal6 2011, 32 (
2
): 19-21.
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2486
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1940
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A class of SIR epidemic mathematical model is introduced,and the local and global stability of its equilibrium point are discussed.
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Extended Euclid Algorithm and Its Application in RSA
ZHOU Jian-Qin, HU Jun, CUI Hong-Cheng
journal6 2011, 32 (
2
): 22-25.
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3474
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RSA,an encryption and decryption system based on the great difficulty of integer factorization,is the widely-used public-key cryptosystem.Euclid algorithm and extended Euclid algorithm are the best algorithms to solve the public key and private key in RSA.Extended Euclid algorithm in IEEE P1363 is improved by eliminating the negative integer operation,hence the computing resources occupied by RSA are reduced.
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Personnel Management System Design Method from UML Sequence Diagram
XU Yu, HE Feng
journal6 2011, 32 (
2
): 26-31.
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6006
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The personnel management system design is taken,as an example.The UML sequence diagram is used to induced other UML diagrams,and a complete description of using UML diagram for a variety of software design and development is given.
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Design and Implementation of Office Automation Network——Laoning Institute of Technology and Business Network Platforms
ZHAO Jun, PAN Qiao-Zhi, SUN Lu-Lu
journal6 2011, 32 (
2
): 32-35.
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3190
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The current status and study significance of office network platform are introduced,and the system design,implementation and application are discussed.The development platform adopts JSP technology with the help of Oracle database.This system can provide an efficient and modern management approach for university's management,research and teaching.
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Matrix Representation of Graph Theory on Hypercycle and Its Development and Application
ZHANG Yi-Fang
journal6 2011, 32 (
2
): 36-41.
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2786
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First,the origin,basis,mathematics and structure of hypercycle theory are introduced.Next,the graph theory of hypercycle theory and their matrix representations are proposed.Hypercycle can be defined by a degree of connectivity.Here some of the representations relate to the extension of graph theory.Finally,applications of hypercycle theory and its relations with the Five-Elements and the east(oriental) economics are discussed.
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Imaging of Plane Phononic Crystal Lens with Antireflection Coating Structures
LI Jin-Feng, DENG Ke, ZHAO He-Ping
journal6 2011, 32 (
2
): 42-44.
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2778
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1994
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The effect of the antireflection coating (ARC) structures on the intensity distribution of transmission pressure field and imaging of the plane phononic crystal lens have been studied by numerical simulations in this paper.The simulated results show that the performance of the device can be significantly improved by the ARC structure.This work affords benefits for practical application of acoustic devices.
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