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Existence of infinite non-Birkhoff periodic orbits for area-preserving monotone twist maps of cylind
[期刊论文] 作者:CHENG Wei,CHENG Chongqing,
来源:黑龙江科技学院学报 年份:2000
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:David Cheng,,
来源:城市住宅 年份:1998
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[期刊论文] 作者:Cheng LIU,
来源:国际泥沙研究:英文版 年份:2002
Two-dimensional hydrodynamic simulation for the Yangtze Estuary is performed by using the Delft3D model adopting the shallow water equations and the finite volu...
[期刊论文] 作者:Cheng,CC,
来源:国外医药:抗生素分册 年份:1992
虽然早在公元前1500年癌症已为人们所知晓,而且在许多古代医学著作中有用草本植物治疗癌症的记载,但是在1930年以前,用药物来治疗癌症一直未引起人们的重视,直到50年前...
[期刊论文] 作者:Xian-guo CHENG,
来源:棉花学报 年份:2002
Abiotic stress including drought, low temperature, ABA and high salt is major factor affecting the plant growth. Isolation and functional study of abiotic stres...
[期刊论文] 作者:M.C.Aaron Cheng,,
来源:油气井测试 年份:1989
虽然天然气流过套管孔眼的紊流压力降,能占整个压降的90%,最近 Mcleod 的研究表明,天然气通过孔眼周围的破碎压实带的流动尤其具有重要的意义。本文给出了计算机模拟研究的结...
[期刊论文] 作者:Siwei, Cheng,
来源:系统工程与电子技术:英文版 年份:1992
The definitions, methodology, applications, and perspectives of process systems engineering are discussed from a strategic point of view. The focal points in fu...
[期刊论文] 作者:CHENG Long-di,
来源:东华大学学报:英文版 年份:2002
The paper deals with the different sinking properties of ceramic fiber and the ceramic shot in wetlaid nonwoven processes. The difference between the sinking pr...
[期刊论文] 作者:Cheng Tieliang,
来源:China Today 年份:2000
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[期刊论文] 作者:Cheng Oianfan,
来源:中国社会科学:英文版 年份:1985
differs with the view that this poem represents'the romanticism of shaking off the yoke of worldly conventions,and longing for theemancipation of individual...
[期刊论文] 作者:Cheng Tieliang,
来源:今日中国:英文版 年份:2000
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[期刊论文] 作者:Cheng Bin,
来源:中医杂志:英文版 年份:2001
Clinically, there is a higher incidence of protrusion of the lumbar intervertebral disc. It can cause a terrible pain. The author has treated 66 cases by massot...
[期刊论文] 作者:CHENG RAN,
来源:China's Tibet 年份:2001
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Relationship Between Agriculture and Ecological Deterioration, Restoration and Reconstruction in Loe
[期刊论文] 作者:CHENG Xu,
来源:中国农业科学:英文版 年份:2002
A comprehensive analysis was conducted on the current situation as well as historic succession process of agriculture and ecological conditions in Northwest Chi...
[期刊论文] 作者:CHENG Qi,
来源:中国海洋工程:英文版 年份:2000
—Corrosion of reinforced concrete structures is a serious problem in ocean engineering.As anorientation of study anticorrosion coating technique is develop...
[期刊论文] 作者:Cheng Q,
来源:中医杂志:英文版 年份:2000
In 1970s,sedatives or spasmolytics needed to beadministered 30 minutes prior to performingenteroscopy to relieve abdominal colic during theexamination.Owin...
[期刊论文] 作者:CHENG Wei-ming,
来源:地理学报:英文版 年份:2002
The foothill belts of Tianshan Mountains are about 280 km long and 60 km wide, and the study area extends from Kuitun city to Fukang city. They are transitional...
[期刊论文] 作者:Cheng,DM,
来源:产业与环境 年份:1995
从事废物再循环业务的人都知道,废机油有很高的再循环价值,有了恰当的再精炼技术,收集系统和营销能力,废油就能转变成一种支撑可赢利业务的流动资产,废油再循环有助于将化香港这个......
[期刊论文] 作者:Cheng Qiuming,
来源:中国地质大学学报:英文版 年份:2001
Spatially superimposed multiple processes such as multiplicative cascade processes often generate multifractal measures possessing so-called self-similarity or...
[期刊论文] 作者:BaiXG ChenG,
来源:中国药理学与毒理学杂志 年份:2002
Toxicokinetics study of fumalin was performed with ^14C labeled compound.It showed that the data were fitted to a two-compartment model.Radioactivity distributi...
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