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[期刊论文] 作者：LIU Daofeng,CHENG Zhukuan,LIU,
来源：科学通报 年份：2004
A rice initiation-type lesion mimic mutant (imi) was identified, which was isolated from an indica rice Zhongxian 3037 through γ radiation mutagenesis. Trypan...
[期刊论文] 作者：Liu Xiaojun,Liu Congfeng,Liao,
来源：电子科学学刊（英文版） 年份：2004
...
Comparable investigation in dopamine transporters with 99mTc-TRODAT-1 and 131I-FP-CIT SPECT in Parki
[期刊论文] 作者：LIU Congjin,LIU Xingdang,ZHANG,
来源：核技术（英文版） 年份：2004
Dopamine transporter (DAT) mediates the regulation of dopaminergic function. Two agents of TRODAT-1and FP-CIT were observed in evaluating DAT change of Parkinso...
[期刊论文] 作者：LIU Shuhong,SHEN Yingming,LIU,
来源：中国机械工程学报 年份：2004
The existing investigations on piezoelectric materials containing an elliptic hole or a crack mainly focus on remote uniform tensile loads.In order to have a be...
[期刊论文] 作者：Liu Zhengjun,Sun Jinggang,Liu,
来源：中国焊接 年份：2004
In order to control the shape and distribution of hardening phase in plasma surfacing deposit, a longitudinal DC magnetic field was applied during plasma surfac...
[期刊论文] 作者：Liu Hai-yuan,Lang Jing-he,Liu,
来源：生殖医学杂志 年份：2004
Objective: To investigate the expression of stathmin in eutopic endometrium of women with or without endometriosis.Methods: The eutopic endometrium samples were...
Identification model of multi-layered neural network parameters and its applications in the petroleu
[期刊论文] 作者：Liu Ranbing,Liu Leiming,Zhang,
来源：中国工程科学（英文版） 年份：2004
This paper creates a LM (Levenberg-Marquardt) algorithm model which is appropriate to solve the problem a-bout weights value of feedforward neural network. On t...
[期刊论文] 作者：An Yihua,Liu Enzhong,Liu Xiang,
来源：中国医学科学院学报（英文版） 年份：2004
Objective. To investigate the exact mechanism of melatonin to prohibit the apoptosis of neural cells induced by various kinds of cytotoxic agents.Methods. We us...
[期刊论文] 作者：LIU Hengwei,LIU Zhongliang,ZHA,
来源：自然科学进展（英文版） 年份：2004
A new type of dehydration unit for natural gas is described and its basic structure and working principles are presented.The key factors affecting the performan...
Ellagic Acid-induced Hypercoagulable State in Animals:a Potentially Useful Animal Hypercoagulable Mo
[期刊论文] 作者：Na Liu,Jun-tian Liu,Qiang-zong,
来源：中国医学科学杂志（英文版） 年份：2004
Objective To establish and evaluate a hypercoagulable animal model for the assessment of anticoagulants.Methods Forty mice,thirty-two rats,and twenty-four rabbi...
[期刊论文] 作者：Xiao-qin LIU,Ning LIU,Li-feng,
来源：生殖与避孕（英文版） 年份：2004
Objective To assess the interventions effect on intelligence of the infants through the community.Methods A total of 309 newborns and their families were recrui...
[期刊论文] 作者：WANG Mengchang,LIU Shaanxi,LIU,
来源：华中科技大学学报（医学）（英德文版） 年份：2004
cDNA microarray was used to compare the gone expression profiles of multiple myeloma cell line RPMI8226 24 h before and after treatment with arsenic trioxide. T...
Research on On-Line Coordinated Control Strategy to Improve the Voltage Vulnerability after Disturba
[期刊论文] 作者：Qun-Ying Liu,Qi-Fang Liu,Deng,
来源：电子科技学刊 年份：2004
The on-line coordinated control strategy among multi-voltage controls is important to keep voltage security in post-fault systems. Based on the wide area measur...
[期刊论文] 作者：LIU Jun-feng,DENG Wen-yan,LIU,
来源：矿冶工程 年份：2004
研究了闪锌矿常压酸浸制取硫酸锌的除铁工艺，实验结果表明，闪锌矿酸浸液经过滤，调节溶液pH值为1.5～2.0，控制温度在90 ℃以上，加入NH+4以及少量活性炭，同时通氧气，反应4 h，通过生成......
[期刊论文] 作者：LIU Hong-Xia,ZENG Xiao-Lan,LIU,
来源：结构化学 年份：2004
Quantum chemistry parameters of 20 substituted phenols were computed at the 631G* level using DFT method. Based on theoretical linear solvation energy theory, t...
[期刊论文] 作者：LIU Zhanmin,LIU Congqiang,HAN,
来源：中国地球化学学报（英文版） 年份：2004
This paper summarizes isotope fractionation mechanism, analytical method and applications in environmental geochemistry of calcium isotopes. Calcium isotopic co...
[期刊论文] 作者：Liu Qingsheng,Liu Qingsong,Zha,
来源：中国地质大学学报（英文版） 年份：2004
The source of long-wavelength aeromagnetic anomalies appears to originate from the earth's deep crust. Constrained by previous studies on geochemical, petrologi...
[期刊论文] 作者：LIANG Feng,LIU Zhong-ying,LIU,
来源：高等学校化学研究（英文版） 年份：2004
Radiation causes severe constraint on numerous pathological functions of cells, such as cell growth, nuclear genetic material expression and cell functions. In...
[期刊论文] 作者：WANG Jin-zhu,LIU Zao-zhen,LIU,
来源：北京理工大学学报（英文版） 年份：2004
Many factors influencing range of extended range guided munition (ERGM) are analyzed. The definition domain of the most important three parameters are ascertain...
PREDICTION OF MECHANICAL PROPERTY OF WHISKER REINFORCED METAL MATRIX COMPOSITE: PART-Ⅰ. MODEL AND FO
[期刊论文] 作者：LIU Qiu-yun,LIANG Nai-gang,LIU,
来源：航空学报（英文版） 年份：2004
Based on study of strain distribution in whisker reinforced metal matrix composites, an explicit precise stiffness tensor is derived. In the present theory, the...
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