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Search Results: 1 - 10 of 56046 matches for " Zhen-Jiang Zheng "
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Exact Periodic Solitary-Wave Solution for KdV Equation

DAI Zheng-De,LIU Zhen-Jiang,LI Dong-Long,

中国物理快报 , 2008,
Abstract: A new technique, the extended homoclinic test technique, is proposed to seek periodic solitary wave solutions of integrable systems. Exact periodic solitary-wave solutions for classical KdV equation are obtained using thistechnique. This result shows that it is entirely possible for the (1+1)-dimensional integrable equation that there exists a periodic solitary-wave.
2-Amino-4,6-dimethylpyrimidine–benzoic acid (1/1)
A-Lan Meng,Jun-E Huang,Bin Zheng,Zhen-Jiang Li
Acta Crystallographica Section E , 2009, DOI: 10.1107/s1600536809020649
Abstract: The crystal of the title compound, C6H9N3·C7H6O2, contains tetrameric hydrogen-bonded units comprising a central pair of 2-aminopyrimidine molecules linked across a centre of inversion by N—H...N hydrogen bonds and two pendant benzoic acid molecules attached through N—H...O and O—H...N hydrogen bonds. These hydrogen-bonded units are arranged into layers in (002).
Synthesis of Novel Flower-Like Zn(OH)F via a Microwave-Assisted Ionic Liquid Route and Transformation into Nanoporous ZnO by Heat Treatment
Song Jia-kui,Zheng Ming-bo,Yang Zhen-jiang,Chen Hui-qin
Nanoscale Research Letters , 2009,
Abstract: Zinc hydroxide fluoride (Zn(OH)F) with novel flower-like morphology has been prepared via a microwave-assisted ionic liquid route. The flower-like Zn(OH)F particle has six petals and every petal is composed of lots of acicular nano-structure. Nanoporous ZnO is obtained by thermal decomposition of as-prepared Zn(OH)F in air, and the flower-like morphology is well retained. In the process of synthesis, ionic liquid 1-Butyl-3-methylimidazolium tetrafluoroborate is used as both the reactant and the template.
Malrotation causing duodenal chronic obstruction in an adult
Jun Gong, Zhen-Jiang Zheng, Gang Mai, Xu-Bao Liu
World Journal of Gastroenterology , 2009,
Abstract: Congenital duodenal obstruction is rare in adulthood. An unusual presentation of this condition has led to difficult preoperative diagnosis. We present a case of proximal jejunal obstruction by a congenital band in an adult and review the literature.
Oxidation of phycocyanin by Se(Ⅳ)and formation of nano-Se(0)
Se(IV)对藻蓝蛋白分子的氧化及纳米Se(0)的生成

YANG Fang,HUANG Zhi,GUO Zhen-jiang,ZHENG Wen-jie,
杨芳
,黄峙,郭振江,郑文杰

海洋科学 , 2010,
Abstract: 从钝顶螺旋藻(Spirulina platensis)中提取纯化藻蓝蛋白(Phycocyanin, PC), 光吸收值A620/A280 为3.1, 观察Se(Ⅳ)与PC相互作用的光谱行为及红硒化现象。光谱检测发现, 加入SeO32-后, PC在620 nm的特征光吸收减弱, 并随Se(Ⅳ)浓度增加和时间延长单调降低,278 nm和347 nm的光吸收增强; PC的荧光发射和荧光激发也均呈现衰减。另外, PC与Na2SeO3相互作用后, 观察到红硒化现象, 透射电镜(TEM)证明主要存在形态为红色纳米硒。结果提示PC可能是SeO32?作用的敏感靶点, Se(Ⅳ)对PC 主要表现为氧化损伤, 而Se(Ⅳ)被还原为红色纳米硒。
Research of Web Application on XML Database
基于XML数据库的Web应用研究

WANG Zhen-jiang,
王震江

计算机应用研究 , 2005,
Abstract: It is one important field of the XML application that use XML documents as Database system for storage of data. In the paper, discuss the related technologies used in design of Web application based on XML Database system, such as XML database concept, XML document and its validity definition, data exchange, data link and construction of Web environment, etc.
A DRM broadcasting system design based on PKI
一种基于PKI的DRM广播系统设计

WANG Zhen-jiang,
王振江

计算机应用 , 2007,
Abstract: Considering the real-time and single-track characteristics of the broadcasting system, a new DRM broadcasting system based on Public Key Infrastructure (PKI) was designed, which integrated broadcasting network, traditional Internet and telecommunication network. The corresponding security analysis of it was also given.
ENTROPY PROPERTIES OF THE FIELD OR THE ATOM IN THE INTERACTING SYSTEM OF TWO-MOD E FIELD WITH THE V-TYPE THREE-LEVEL ATOM IN A KERR-LIKE MEDIUM
附加Kerr介质非关联双模相干态场与V型三能级原子的相互作用系统中原子(场)的熵特性

LAI ZHEN-JIANG,LIU ZI-XIN,
赖振讲
,刘自信

物理学报 , 2000,
Abstract: Using the method of the systematic state vector we formulate the entropy of the V-type three-level atom interacting with initially uncorrelated two-mode coheren t states of arbitrary detunings in a cavity filled with Kerr-like medium. It is shown by numerical calculation that the behavior of the entropy is strongly affe cted by the Kerr medium. Weak Kerr medium improves the quantum correlation. Stro nger Kerr medium induces strongly periodic fluctuation of the quantum correlatio n between the atom and the fields.
A Darboux transformation and new exact solutions for Broer-Kaup system
Broer-Kaup系统的达布变换和新的精确解

Zhou Zhen-Jiang,Li Zhi-Bin,
周振江
,李志斌

物理学报 , 2003,
Abstract: An explicit Darboux transformation for Broer-Kaup (BK) system is constructed with the aid of the elemental solutions of its Lax pairs.From the Darboux transformation,the new two-soliton solutions for BK system are obtained.
A New Wireless Sensor Network Transmission Mechanism-Research and Simulation of RNTA Algorithm
一种新的无线传感器网络传输机制——RNTA算法的研究与仿真

Zhang Zhen-jiang,Liu Yun,
张振江
,刘云

电子与信息学报 , 2007,
Abstract: To enhance the entire network lifetime of wireless sensor network, this paper puts forward a new transmission mechanism by redundant nodes basing on the characters that the sensor nodes are tiny and energy-limited. The method builds an redundant nodes tree as the transmission agents to realize the information exchange between the clusters and base-station so that the energy consumption of normal nodes and clusters’ heads can be decreased. The simulation results show that the mechanism can improve the lifetime of effective wireless sensor nodes largely under the condition that the nodes are relative dense and the redundant nodes exist.
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