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Search Results: 1 - 10 of 135387 matches for " ZHANG Xian-Hong "
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Energy--Momentum Pseudo-Tensor of Relic Gravitational Wave of Both the Polarized States
Energy-Momentum Pseudo-Tensor of Relic Gravitational Wave of Both the Polarized States

ZHANG Xian-Hong,LI Fang-Yu,
张显洪
,李芳昱

中国物理快报 , 2006,
Abstract: Unlike usual celestial gravitational waves, the relic gravitational waves (RGWs) form random signals in curved spacetime background. We calculate the energy--momentum pseudo-tensor of a certain component of the RGWs propagating along arbitrary directions in Cartesian coordinates. It is found that the energy density of RGWs is positive definitely, and the momentum density components have reasonable behaviour. Such results may provide a theoretical basis for the detection of RGWs.
3,6-Dichloro-N-(4,6-dichloropyrimidin-2-yl)picolinamide
Shan-Shan Zhang,Yue Zhuang,Xian-Hong Yin,Kai Zhao
Acta Crystallographica Section E , 2008, DOI: 10.1107/s1600536808010325
Abstract: In the title compound, C10H4Cl4N4O, the pyridine and pyrimidine rings are nearly perpendicular to each other, the dihedral angle between them being 86.60 (10)°. In the crystal structure, the N and O atoms in the amide group are involved in intermolecular hydrogen bonds, forming a one-dimensional chain along the c axis.
Chlorido(1,10-phenanthroline)(1H-1,2,4-triazole-3-carboxylato)copper(II)
Jie Zhu,Xian-Hong Yin,Yu Feng,Shan-Shan Zhang
Acta Crystallographica Section E , 2008, DOI: 10.1107/s160053680706299x
Abstract: The title complex, [Cu(C3H2N3O2)Cl(C12H8N2)], crystallizes with two independent molecules in the asymmetric unit. Each CuII atom is coordinated by an N atom and an O atom from the bidentate 1H-1,2,4-triazole-3-carboxylate ligand, two N atoms from the 1,10-phenanthroline ligand, and the Cl atom. The coordination geometry is based on a ClN3O square pyramid. In the crystal structure, the molecules are linked by intermolecular N—H...O hydrogen bonds.
(3,6-Dichloropyridin-2-yl)(3,5-dimethyl-1H-pyrazol-1-yl)methanone
Yue Zhuang,Shan-Shan Zhang,Xian-Hong Yin,Kai Zhao
Acta Crystallographica Section E , 2008, DOI: 10.1107/s1600536808015006
Abstract: In the crystal structure of the title compound, C11H9Cl2N3O, molecules are held together by short intermolecular Cl...Cl contacts [3.319 (1) ] and C—H...N hydrogen bonds, forming two-dimensional networks parallel to (01overline{1}).
Effects of Isaria fumosorosea infection on different enzyme activities in the larvae of Plutella xylostella
玫烟色棒束孢侵染对小菜蛾幼虫体内不同酶活的影响

WANG Hong-Min,ZHANG Huan,HAO Chi,ZHANG Xian-Hong,
王宏民
,张奂,郝赤,张仙红

菌物学报 , 2013,
Abstract: 在实验室条件下,测定了昆虫病原真菌玫烟色棒束孢Isaria fumosorosea的侵染对小菜蛾Plutella xylostella 3龄幼虫体内酚氧化酶(PO)和不同抗氧化酶类,包括超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢(CAT)及谷胱甘肽S-转移酶(GSTs)活力的变化。结果表明,玫烟色棒束孢侵染小菜蛾3龄幼虫后,体内PO、SOD、POD、CAT和GSTs活力均受到明显的影响。其中感病小菜蛾幼虫体内的PO活力始终高于同期未感染的小菜蛾幼虫,当接菌40h时,酚氧化酶活力达到最大37.4U/g,为对照的2.6倍,而SOD、POD、CAT和GSTs活力在感病前期明显高于对照,接菌40–48h各种酶活力均达到最大,当接菌56h酶活力开始下降,64h时酶活力均明显低于对照。可见玫烟色棒束孢的侵染严重干扰了小菜蛾幼虫体内正常的生理活动。
Corrosion Behavior of AlPO4 as Environmental Barrier Coating in Water Vapor Enviroment
AlPO4环境障碍涂层材料水氧腐蚀性能研究

CHEN Xian-Hong,CHENG Lai-Fei,WANG Yi-Guang,ZHANG Li-Tong,HONG Zhi-Liang,WU Ya-Hui,
陈贤鸿

无机材料学报 , 2009,
Abstract: 采用溶胶凝胶法合成了一种AlPO4环境障碍涂层材料,测定了其热膨胀系数,在1350℃、50vol% H2O/50vol%O2、1.013×105 Pa、气体流速0.085cm/s的水氧耦合环境中研究了其抗水氧腐蚀性能,并利用X射线衍射仪、能谱分析仪和扫描电子显微镜分析了材料组成和微观结构.结果表明,AlPO4与C/SiC复合材料热膨胀基本匹配,抗水氧腐蚀性能良好.主要存在的问题是AlPO4分解引起的失重,二氧化硅会加速其分解.
Species and distribution characteristics of entomogenous fungi in Shanxi Province
山西省虫生真菌种类及分布特点研究

WANG Hong-Min,WANG Shu-Guang,ZHANG Xian-Hong,HAO Chi,
王宏民
,王曙光,张仙红,郝 赤

中国生态农业学报 , 2009,
Abstract: Investigation on entomogenous fungi and their geographical distribution in Shanxi Province was conducted for the period 1996 ~ 2005. A number of field data collection, isolation, culturing and identification was performed. The study reveals that Shanxi Province is rich in entomogenous fungi diversity. About 72 species of 17 genera of fungi are believed exist in the province. Among the fungi collection, 63 species are collected from four national nature reserves in the province, 12 from six major forest areas and another 22 species from the area around Taiyuan. This respectively represents 64.9%, 12.4% and 22.7% of the species collection. Most of the species come from the three major nature reserves of Pangquangou, Manghe and Lishan. The investigation also indicates that Aspergillus Micheli ex Fries, Penicillium Link ex Fries, Paecilomyces Bainier and Fusarium Link ex Fries are the dominant groups of entomogenous fungi. They account for 59.7% of the species collection.
Corrosion Behavior of AlPO4 as Environmental Barrier Coating in Water Vapor Enviroment
CHEN Xian-Hong,CHENG Lai-Fei,WANG Yi-Guang,ZHANG Li-Tong,HONG Zhi-Liang,WU Ya-Hui
无机材料学报 , 2009, DOI: 10.3724/sp.j.1077.2009.00397
Abstract: AlPO4 was synthesized by a Sol-Gel method. Its coefficient of thermal expansion (CTE) was measured by dilatometer. Its corrosion behavior was tested in an environment of 50vol%H2O/50vol%O2 with a flow rate of 0.085cm/s at 1350 The phases and composition of the samples were analyzed by X-ray diffraction and Energy Dispersive Spectroscope. The microstructures of AlPO4 were characterized by Scanning Electron Microscope. The results indicate that the CTE of AlPO4 matches with that of C/SiC composites and its corrosion resistance is much better than that of SiC. However, the decomposition of AlPO4 at high temperatures is the main problem in the water vapor enviroment£ which will be accelerated in combination with silica.
OPTIMUM DESCRIPTION FOR THE GRAIN ALIGNMENT IN PERMANENT MAGNETIC MATERIALS

GAO RU-WEI,ZHANG DE-HENG,ZHANG JIAN-CHENG,LI HUA,WANG YI,MENG XIAN-HONG,

中国物理 B , 1997,
Abstract:
Construction of plasmids containing IBDV VP2/4/3 and ChIL-18 fusion genes and co-expression genes as well as proteins expressed on Vero cells
IBDV VP2/4/3、ChIL-18共表达载体的构建及在Vero细胞上的表达

HOU Xian-hong,WEI Yong-wei,ZHANG Xiao-dong,YU Lian,
侯贤宏
,魏永伟,章晓栋,于涟

浙江大学学报(农业与生命科学版) , 2010,
Abstract: In order to improve the immunity effect of infectious bursal disease virus(IBDV) polyprotein(VP2/4/3) DNA vaccine,fusion genes of IBDV polyprotein(VP2/4/3) gene and chicken interleukin 18(ChIL-18) gene were constructed using the technique of splicing by overlapping extension(SOEing) and three times PCR.These fusion gene fragments were directly cloned into pCI,an eukaryotic expression vector,to produce recombinant expression plasmids pCI-VP2/4/3-ChIL-18 and pCI-ChIL-18-VP2/4/3.Then,co-expressing plasmid co-p...
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