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[期刊论文] 作者:Wen WANG,Qi Xiu ZHU,Ming Hua H,
来源:中国化学快报(英文版) 年份:2004
A new compound, 2, 4-dihydroxy-5-methoxybenzophenone was isolated from the root and heartwood of Dalbergia odorifera T. Chen....
[期刊论文] 作者:Dong Bao Zhao,Lin Xi Li,Xiu Hu,
来源:中国化学快报(英文版) 年份:2004
Two new phenolic compounds were isolated from whole plant of Artemisia sphaerocephala. The structures were elucidated on the basis of spectroscopic methods as 4...
[期刊论文] 作者:Lian De ZHU,Ying Xiu LI,Guo Yi,
来源:中国化学快报 年份:2004
A simple and sensitive flow injection method is presented for the determination of histidine based on its enhancement of electrogenerated chemiluminescence (ECL...
[期刊论文] 作者:GUO Jian-hua,赵春江,WANG Xiu,陈立平,
来源:中国土壤与肥料 年份:2004
根据作物氮素营养诊断方法的发展,总结分析了作物氮素营养诊断中各种方法的优缺点,提出将无损快速诊断技术与传统诊断技术结合将是今后氮素营养诊断的发展趋势.在测土配方施...
[期刊论文] 作者:Yu Chen,Yu Xiu Liu,Zhi Dong Ch,
来源:中国化学快报(英文版) 年份:2004
A rapid and practical method for direct detection of zidovudine in high performance anion exchange chromatography (HPAEC)has been developed with integrated puls...
[期刊论文] 作者:Yu Xiu Liu,Dan Shou,Mei Lan Ch,
来源:中国化学快报(英文版) 年份:2004
A rapid and practical method for direct detection of lisinopril in anion exchange chromatography (AEC) has been developed with integrated pulsed amperometric de...
A High Resolution Emission Inventory of Domestic Burning in Rural Region of Northeast China Based on
[期刊论文] 作者:ZHAO Hongmei,YANG Guangyi,XIU Aijun,ZHANG Xuelei,
来源:中国地理科学(英文版) 年份:2004
Domestic bing emits large amounts of pollutants into the ambient air due to incomplete and inefficient combustion,with significant impacts on indoor air quality...
[期刊论文] 作者:王秀斌,YU Lei,ZHUO Wei-jie,LI Xiu,
来源:交通运输系统工程与信息 年份:2004
鉴于对国家公路系统进行全面评价的方法耗费太大,一般采用抽样方法来评价路面粗糙度,这涉及到很多实际因素.尽管分层随机抽样的方法已经在干线和一般的集散系统得到利用,它仍...
[期刊论文] 作者:肖立中,SHAO Zhi-Qing,马汉华,WANG Xiu,
来源:软件学报 年份:2004
针对模糊C均值算法(fuzzy C-means algorithm,简称FCM)在入侵检测中需要预先指定聚类数的问题,提出了一种自动决定聚类数算法(fuzzy C-means and support vector machine alg...
[期刊论文] 作者:马玉娟,Liu Yu-guang,顾艳镇,Xiu Peng,,
来源:气象水文海洋仪器 年份:2004
详细介绍了臭氧浓度和水汽含量的测量原理.臭氧监测仪MICROTOPS II是测量臭氧浓度、水汽含量和气溶胶光学厚度的便携式仪器,适用于野外和海上调查.臭氧监测仪为5个波段,其中3...
Adenovirus-mediated hypoxia-inducible factor-1 alpha gene transfer induces angiogenesis and neurogen
[期刊论文] 作者:Wanfu Wu,Xiu Chen,Zhen Yu,Changlin Hu,Wenqin Cai,
来源:中国神经再生研究(英文版) 年份:2004
BACKGROUND: Hypoxia-inducible factor-1 (HIF-1) accumulates under conditions of hypoxia. HIF-1α target genes have pleiotropic effects on neurogenesis, neuroprot...
Correlation of Individual Heterozygosity of Microsatellite Marker Loci with Heterosis of Growth Trai
[期刊论文] 作者:ZHANG Jing-hu,XIONG Yuan-zhu,DENG Chang-yan,JIANG Si-wen,LEI Ming-gang,LI Jia-lian,LI Feng-e,ZHENG Rong,
来源:中国农业科学(英文版) 年份:2004
To investigate the correlation of individual heterozygosity and heterosis of three traits in crossbred F1 pig populations,the F1 populations were built by rando...
[期刊论文] 作者:ZOU Xiu,LIU Jin-Yuan,WANG Zheng-Xiong,GONG Ye,LIU Yue,WANG Xiao-Gang,
来源:中国物理快报(英文版) 年份:2004
The structure of an electronegative plasma sheath in an oblique magnetic field is investigated with a fluid model. We assume the system consists of hot electron...
[期刊论文] 作者:谷天祥,YU Lei,师恩祎,XIU Zong-Yi,王春,房勤,
来源:中国动脉硬化杂志 年份:2004
目的 探讨冠状动脉慢性完全闭塞病变的外科手术方法及临床体会.评价冠状动脉造影在冠状动脉慢性完全闭塞病变诊断中的价值.方法 753例928支冠状动脉慢性完全闭塞病变(其中冠...
[期刊论文] 作者:Da Zhi LI,Xin Yu SONG,Si Xiu SUN,Jin Xin GUO,
来源:中国化学快报 年份:2004
The synthesis of ZnO prickly spheres using precipitation followed by heating treatment was investigated. Zn(OH)2 precursor was prepared by precipitation process...
A report of 28 cases of 3-year follow-up after liver transplantation for advanced hepatocellular car
[期刊论文] 作者:De-Chen Wang,Tong-Lin Zhang,Shi-Bing Song,Jiong Yuan,Dian-Rong Xiu,Xiao-Xia Yang,
来源:世界胃肠病学杂志(英文版) 年份:2004
AIM: To investigate the therapeutic value of liver transplantation for advanced hepatocellular carcinoma (HCC).METHODS: Twenty-eight patients with advanced HCC...
Regioselective Synthesis of Polymerizable Vinyl Guaifenesin Esters Catalyzed by an Alkaline Protease
[期刊论文] 作者:Na WANG,QI Wu,Jian Ming XU,Xiu Ming JIANG,Xian Fu LIN,
来源:中国化学快报(英文版) 年份:2004
Three polymerizable vinyl guaifenesin esters with different acyl donor carbon chain lengths (C4,C6,C10) were regioselectivly synthesized by an alkaline protease...
[期刊论文] 作者:尚庆丽,MA Jing-Xue,尚忠林,XIU He-Ming,刘建宗,
来源:眼科新进展 年份:2004
目的 评价异硫氰酸荧光素.右旋糖酐脉络膜血管平铺及CD105免疫组织化学染色作为分析指标在实验性脉络膜新生血管(choroidal neovascularization,CNV)治疗研究中的意义.方法...
[期刊论文] 作者:Xinqi Yu,Ziwei Chen,Jun Hu,Yan Zeng,Xiu Liu,Yu He,Zishen Wang,Linghui Meng,
来源:地球科学学刊(英文版) 年份:2004
Multi-stage Mesozoic thrust-nappe and extensional structures are distributed in the east segment of the Southeast Yangtze Block situated in the junction region...
Effects of a combination of Japanese Raisin Tree Seed and Flower of Lobed Kudzuvine against acute al
[期刊论文] 作者:Wan Xu,Shaohong Chen,Gansheng Zhong,Haiyan Liu,Linlin Xiu,Xue Yu,Feng Chen,Na Li,Yanmin Lv,
来源:中医科学杂志(英文) 年份:2004
Objective: The Flower of Lobed Kudzuvine[Pueraria lobata (Willd.)Ohwi;Gehua in Chinese;GH]and Japanese Raisin Tree Seed (Hovenia dulcis Thunnb.;Zhijuzi in Chine...
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