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[期刊论文] 作者:Tian Yue,CHEN Xiao-Fei, 来源:黑龙江科技信息 年份:2004
A rapid and accurate method for two-point ray tracing in horizontally layered velocity model is presented in this paper. Numerical experiments show that this me...
[期刊论文] 作者:Tian Feng,Chu Xue, 来源:城市道桥与防洪 年份:2004
Calculated results of inertia moment of turbo-generator rotor can be quite different by methods used in load rejection tests. In view of fluctuation features of...
[期刊论文] 作者:ZHU Qing,Tian Yixiang, 来源:黑龙江科技信息 年份:2004
The methodology of catchment extraction especially from regular grid digital elevation models (DEMs) is briefly reviewed.Then an efficient algorithm, which comb...
[期刊论文] 作者:WAN Ya-Kun,TIAN Shi-ping, 来源:城市道桥与防洪 年份:2004
The growth of Pichia membranefaciens was studied using different nitrogen and carbonsources as substrates. Among nitrogen sources tested, soya peptone, yeast ex...
[期刊论文] 作者:Wei Tian,Raymond T.Woodhams, 来源:城市道桥与防洪 年份:2004
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[会议论文] 作者:Wei Tu,Jie Tian, 来源:第十二届国际地理计算会议 年份:2004
[期刊论文] 作者:TIAN Dong-xu,LI Yao,, 来源:海外英语 年份:2004
Krashen has developed the Input Hypothesis,which has deep influence on teaching method of second language.This thesis focuses on the Krashen’s Input Hypothesis...
[学位论文] 作者:田莉莉(TIAN Lily),, 来源:湖南大学 年份:2004
齿轮箱故障诊断技术对于齿轮箱及其相关设备的持续稳定工作有着不可或缺的作用。齿轮箱信号成分复杂,传统时频分析方法已不再适用,近年来,自适应时频分析方法被广泛用于齿轮...
[期刊论文] 作者:TIAN Wen-ru,HE Jian-bin, 来源:东北农业大学学报 年份:2004
小麦成熟胚愈伤组织的诱导率、生长率及胚性愈伤组织发生率的基因型效应有显著差别。供试的5个基因型中,愈伤组织诱导率基因型间差异达到极显著水平。诱导率大小顺序为:辽10>774......
[期刊论文] 作者:杨雨润,TIAN Hua, 来源:中华医学杂志 年份:2004
目的 评价腺病毒介导的人转化生长因子β2(Ad-hTGF-β2)基因转染自体兔脂肪间充质干细胞(ADSCs)复合聚乳酸(PLGA)/藻酸钙对关节软骨缺损的修复效果.方法 将20只新西兰大白兔...
[期刊论文] 作者:TIAN Zhen-Tao,XUE Qing-zhong, 来源:中国农业科学 年份:2004
P/TGMS (photo-thermo sensitive genic male sterility) lines with pale-green leaf color have beendeveloped in japonica rice. The marker trait is used as an assist...
[期刊论文] 作者:Jia Li,Tian Tian,Xiaoyi Wang,Fan Li,Guosheng Ren, 来源:临床肿瘤与癌症研究 年份:2004
OBJECTIVE To evaluate the REGy expression in gastric cancer tissue and gastric cancer cell lines of various differentiation levels and its clinical significance...
[期刊论文] 作者:Yan Huang, Ying Tian, Yuanyuan, 来源:癌症 年份:2004
背景与目的肿瘤缺氧被认为是肿瘤转移和疾病复发的重要因素。Evofosfamide是一种缺氧激活前药,可选择性地靶向实体瘤的缺氧区域。由于缺氧诱导因子?1α(hypoxia?inducible fa...
[期刊论文] 作者:Hongyun TIAN, Wei LI, Vratisla, 来源:Oil Crop Science 年份:2004
It is essential to evaluate agronomic and quality traits when using elite lines in rapeseed( Brassica napus L.) breeding. 92 rapeseed accessions( 44 Chinese,22...
[期刊论文] 作者:Zhi-mei TIAN, Xian-yong MA, Xu, 来源:Journal of Zhejiang University-Science B(Biomedicine & Biote 年份:2004
回 回 产卜爹仇贱回——回 日E回。”。回祖 一回“。回干 肉果幻中 N_。NH lP7-ewwe--一”$ MN。W;- __._——————》 砧叫]们羽 制作:陈恬’#陈川个美食Back to yield...
[期刊论文] 作者:Tian Jin, Liu Yong-xiang, Liu, 来源:中国预防兽医学报 年份:2004
猫疱疹病毒Ⅰ型(FHV-1)是引起猫急性、高度接触性上呼吸道疾病的重要病原。该病原组织嗜性广,常侵害呼吸系统,还能侵害生殖系统、神经系统、眼结膜和胚胎猫。病毒感染后...
[期刊论文] 作者:Yonglu Tian, Chaojuan Yang, Ya, 来源:科学新闻 年份:2004
回 回 产卜爹仇贱回——回 日E回。”。回祖 一回“。回干 肉果幻中 N_。NH lP7-ewwe--一”$ MN。W;- __._——————》 砧叫]们羽 制作:陈恬’#陈川个美食Back to yield...
[期刊论文] 作者:Tao Jing-Chao Tian Guo-Qiang Z, 来源:合成化学 年份:2004
Isosteviol (ent-16-ketobeyeran-19-oic acid, I) is a tetracyclic diterpenoid with a beyerane skeleton obtained by acid hydrolysis of stevioside.1 Several tetracy...
[期刊论文] 作者:She Xue-gong Tian Hong-qi Shi, 来源:合成化学 年份:2004
A class of chiral ketone was synthesized for asymmetric epoxidation. High ee values have been obtained for a number of cis olefin and trans olefin. The epoxidat...
[期刊论文] 作者:Zengshan Tian, Haifeng Cong, M, 来源:Journal of Harbin Institute of Technology(New series) 年份:2004
Fingerprint-based Bluetooth positioning is a popular indoor positioning technology. However, the change of indoor environment and Bluetooth anchor locations has...
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