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[期刊论文] 作者:LI ShuGuang,DAI JiCan,ZHANG Li,
来源:生物医学与环境科学(英文版) 年份:2004
Objective To investigate the associations of hormone circulation with phthalate exposure in adult men.Methods Semen and serum samples were collected from 118 me...
Role of mitogen-activated protein kinases in the regulation of paraventricular nucleus to gastric is
[期刊论文] 作者:LI Li,ZHANG Yong-mei,QIAO Wei-,
来源:中华医学杂志(英文版) 年份:2004
Background We investigated the role in electrical stimulations of paraventricular nucleus (PVN) on gastric mucosal cells and the activity of mitogen-activated p...
[期刊论文] 作者:Li Jinhuan,Huang Yudong,Dai Li,
来源:高技术通讯(英文版) 年份:2004
Poly(p-phenylene benzobisoxazole)(PBO) is a candidate of high performance materials for many applications. PBO materials properties are considered to be closely...
Effects of hypothalamic paraventricular nuclei on apoptosis and proliferation of gastric mucosal cel
[期刊论文] 作者:Li Li,Yong-Mei Zhang,Wei-Li Qi,
来源:世界胃肠病学杂志(英文版) 年份:2004
AIM: To investigate the effects of electrical stimulation of hypothalamic paraventricular nuclei (PVN) on gastric mucosal cellular apoptosis and proliferation i...
[期刊论文] 作者:CHEN Wei-ping,TIAN Li,LI Ming-,
来源:哈尔滨工业大学学报(英文版) 年份:2004
A novel continuous-flow PCR chip adopting self-heating, passive-cooling mode to realize the DNA fragments amplification was presented. Using the ANSYS finite el...
[期刊论文] 作者:TIAN Li,LI Zhongxian,ZHOU Qing,
来源:天津大学学报 年份:2004
A simplified method is proposed for analyzing the overpressure history of an optional point on the walls of a closed cuboid due to its internal optional point-e...
[期刊论文] 作者:MA Gui-qin,LI Zhong-zhi,LI Xia,
来源:中华医学杂志(英文版) 年份:2004
Background Congenital vascular rings may often cause unexplained respiratory symptoms in infants and young children. Their diagnosis and treatment are often del...
[期刊论文] 作者:Li Wang,Qing Li,Xiang-Lin Duan,
来源:世界胃肠病学杂志(英文版) 年份:2004
AIM: To determine the method of growing small intestinal epithelial cells in short-term primary culture and to investigate the effect of extracellular iron conc...
[期刊论文] 作者:Xin LI,Yao-Hua LI,Jun-Yan HAN,,
来源:神经科学通报(英) 年份:2004
Objective To clone the cDNA of rat α-Syn gene, investigate its prokaryotic expression and produce purified recombinant rat α-Syn protein. Methods Rat α-Syn c...
[期刊论文] 作者:ZHANG Xiansheng,LI Quanzi,LI X,
来源:中国科学C辑(英文版) 年份:2004
HAG1 gene was isolated from the floral organs of Hyacinthus orientalis L. by using RT-PCR. Sequence analysis showed that this gene was homologous to AGAMOUS. No...
[期刊论文] 作者:LI Yu-ying,ZHENG Xi-lai,LI Bin,
来源:环境科学学报(英文版) 年份:2004
The volatilization of diesel oil, Shengli crude oil and 90# gasoline on glass surface of petri dishes were conducted at the ambient temperature of 25℃. Diesel...
[期刊论文] 作者:LI Lian-fang,LI Guo-xue,LIAO X,
来源:环境科学学报(英文版) 年份:2004
This paper presented the characteristics of nitrogen and phosphorus pollution in Beijing surface water during the survey. A significant difference was found out...
[期刊论文] 作者:LI Li,WEI Xiantao,CHEN Yonghu,,
来源:稀土学报(英文版) 年份:2004
Tb3+ and Yb3+ codoped Lu2O3 nanophosphors were synthesized by the reverse-strike co-precipitation method.The obtained Lu2O3:Tb3+,Yb3+ nanophosphors were charact...
Effect of Thermal Shock and Oxidation on Mechanical Property of Carbon/Carbon Composites with a Sili
[期刊论文] 作者:Li Hejun,Li Kezhi,Shi Xiaohong,
来源:稀有金属材料与工程 年份:2004
A SiC whisker-toughened MoSi_2-SiC-Si coating was prepared on carbon/carbon (C/C) composites surface by a two-step technique of slurry and pack cementation, and...
[期刊论文] 作者:Li Zhengjia,Li Hejun,Qi Lehua,,
来源:稀有金属材料与工程 年份:2004
The aluminum borate whisker reinforced magnesium matrix composites (Al_(18)B_4O_(33)w/Mg) were fabricated by pressure infiltration technique and extrusion-vacuu...
[期刊论文] 作者:Li Long,Zeng Xierong,Li Hejun,,
来源:稀有金属材料与工程 年份:2004
The thermal fatigue behavior of C/C composites coated with the SiC/MBAS glass (MoSi_2 particle-containing boron aluminosilicate glass) coating, prepared by the...
Construction and Expression of Eukaryotic Expression Vector of Mature Polypeptide of Duck Interferon
[期刊论文] 作者:PEI Fucheng,LI Jingpeng,LI Lu,,
来源:东北农业大学学报(英文版) 年份:2004
To study biological activities of Duck Interferon Alpha (DuIFN-α) and prepare antivirus medicine, the eukaryotic expression vector of mature polypeptide of Duc...
[期刊论文] 作者:LI Pengli,MA Yuanyuan,LI Xiaop,
来源:科学通报(英文版) 年份:2004
Maize Lls1 (lethal leaf-spot 1) gene and its Arabidopsis orthologue AtAcd1 have been suggested to encode pheide a oxygenase (PaO), a key enzyme catalyzing chlor...
Comparison of the Photosynthetic Characteristics of Two Developmental Stages in Nostoc sphaeroides K
[期刊论文] 作者:LI Dun-hai,CHEN Lan-zhou,LI Ge,
来源:武汉大学学报(英文版) 年份:2004
The photosynthetic activities between two main developmental stages, colony and hormogonium, of the edible cyanobacterium Nostoc sphaephyll than that of colonie...
[期刊论文] 作者:LI Han,GUO Xing-qi,LI Xiang-do,
来源:中国农业科学 年份:2004
The viruses titer and the ultrastructure of infected cells in tobacco host (Nicotiana tabacum cv.Samsun), which doubly infected with potato virus Y necrosis str...
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