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[期刊论文] 作者:LI LI, 来源:北京周报(英文版) 年份:2004
As Arctic winds blow over North America,Europe and East Asia,many parts of north China have also been struggling through snowstorm after snowstorm during the c...
[期刊论文] 作者:Li Li,, 来源:Beijing Review 年份:2004
HPV vaccines are still not available on the Chinese mainland despite theirproven efficacyCancer kills,but some cancers have become avoidable due to the latest d...
[期刊论文] 作者:Li Li,, 来源:Beijing Review 年份:2004
Salary increases continue to benefit Chinese workers As of April 25,nine local governments in China had raised their minimum monthly wage standards by an averag...
[期刊论文] 作者:LI Dong-fang,LI Li,LI Jian-zha, 来源:中国林学(英文版) 年份:2004
As a hot-melt adhesive,ethylene-vinyl-acetate(EVA)has been used in many industrial applications.But studies of the application of EVA in wood-plastic composites...
[会议论文] 作者:Qi Li li, 来源:中国科学技术协会学会学术部,福建省科协 年份:2004
In the environment of network,many aspects of market marketing have changed much-such as the concept,thestrategy,the activity of the consumers etc.In this situation,cybermarketing has been formed.How...
[期刊论文] 作者:LI Jun-Qing,LI Li,ZHAO Jia-Qun,LI Chun-Fei, 来源:中国物理快报(英文版) 年份:2004
We propose a novel configuration of all-optical switch based on a double-loop Sagnac ring coupled with a nonlinear ring resonator. In the case of self-phase mod...
[期刊论文] 作者:LI,Hong-Ya LI,Ji-Tai LI,Hui-Zh, 来源:有机化学 年份:2004
Aryloxyacetate and arylthioacetate are wildly used in herbicides, plant regulator and insecticides. Recently, Wille et al. have reported that methyl aryloxyacet...
[期刊论文] 作者:Li Wenling,Li Yawen,Li Shangzh, 来源:Empirical Study 年份:2004
Temporal map is an isoehronal map taking time as a measuring unit. It traces out the isochrones according to the discrepancy of the time distance between the di...
[期刊论文] 作者:LI Li,SUN Ying-ping,LI Si-dong, 来源:安徽医药 年份:2004
目的 测定黑果小檗各部位中总黄酮含量并评价其体外抗氧化活性,为有效利用黑果小檗资源提供参考.方法 采用紫外分光光度法测定黑果小檗中总黄酮的含量,并通过DPPH、羟自由基...
[期刊论文] 作者:Li Yanlei,Li Yuandong,Li Chun,, 来源:中国铸造 年份:2004
[期刊论文] 作者:ZHANG Li,LI Dong-shu,SHENG Li, 来源:针灸推拿医学(英文版) 年份:2004
将60例单纯性肥胖症并发高脂血症的患者,随机分为磁针组和对照组.观察肥胖指标及血脂指标的改善情况.磁针组具有减肥效应的同时,在改善患者的血脂指标胆固醇(TC)方面明显优于...
[期刊论文] 作者:Xintao LI,Tingju LI,Qiulin LI,, 来源:中国铸造 年份:2004
The effect of commercial frequency electromagnetic field on the solidification structure and mechanical properties of copper hollow blanks prepared by horizonta...
[期刊论文] 作者:LI Xiao,LI Qing-kai,LI Xiao-fa, 来源:哈尔滨工业大学学报(英文版) 年份:2004
The new mechanism of drum-shaped gear with ring-involute teeth is presented to implement dimensional transmission for the stairlift. The structure of the gear a...
[期刊论文] 作者:LI Li,LI Xiaoyun,LIU Yu, 来源:黑龙江科技学院学报 年份:2004
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:LI Yanchu,LI Li,JING Chunshen,, 来源:科学通报 年份:2004
Analyses of sea surface height anomalies (SSHA) from Jan. 1993 to Dec. 2001 measured by TOPEX/Poseidon (T/P) satellite altimetry indicate that there are two ene...
[期刊论文] 作者:Mei-Ru Li,Yan Li,Hong-Qing Li,, 来源:植物学报(英文版) 年份:2004
Dehydration-responsive element binding (DREB) proteins are a subfamily of AP2/ERF transcription factors that have been shown to improve tolerance to osmotic str...
[期刊论文] 作者:LI Yanqiu,LI Peizhou,LI Xia, 来源:稀土学报(英文版) 年份:2004
Two complexes [Eu2(2-TFMBA)6(2,2'-bipy)2].2H2O (1) and Eu2(2-TFMBA)6(1,10-phen)2 (2) (2-TFMBA=2-(Trifluoromethyl) benzoate; 2,2'-bipy=2,2'-bipyridine; 1,10-phen...
[期刊论文] 作者:LI Yan,LIU Shao-jun,LI Li, 来源:中国海洋工程(英文版) 年份:2004
The dynamic analysis of a pipe system is one of the most crucial problems for the entire mining system.A discrete element method (DEM) is proposed for the analy...
[期刊论文] 作者:LI Wei,LI Xiao-ping,LI Shun-ch, 来源:水动力学研究与进展B辑 年份:2004
When the classical nonlinear partial differential equations are used to model the fractal reservoir,based on the assumption of low compressibility fluids,the ef...
[期刊论文] 作者:LI Li,LI Xiaoyun,LIU Yu, 来源:科学通报 年份:2004
A novel β-cyclodextrin derivative, L-cystine bridged bis(β-cyclodextrin) 1 has been synthesized and characterized by 1H NMR, 13C NMR, IR, Raman and combustion...
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