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[期刊论文] 作者:Cheng,H,曹元彪,
来源:机械 年份:1990
渐开线常用来作为齿轮齿廓曲线。虽然容易作出渐开线曲线,渐开线函数也易于求解,但要计算反渐开线函数则较困难。渐开线函数如下: ε=tgφ-φ=invφ反渐开线函数φ=inv~...
Multi-isotopic system geochronology of low temperature eclogite from Huangzhen, Southern Dabie Terra
[期刊论文] 作者:CHEN Daogong,E.Deloule,CHENG H,
来源:中国科学D辑 年份:2004
Zircon U-Pb thermal ionization mass-spectrometer (TIMS) and secondary ion mass-spectrometer (SIMS) dating, mica and amphibole 40Ar-39Ar dating and mineral Sm-Nd...
Multi-isotopic system geochronology of low temperature eclogite from Huangzhen, Southern Dabie Terra
[期刊论文] 作者:CHEN Daogong,E.Deloule,CHENG H,
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...
Syntheses and Crystal Structures of Two New Ag(Ⅰ) Complexes with Betaine Derivative: Structure Chang
[期刊论文] 作者:HUANG Yong-Qing,WAN Yi,CHENG H,
来源:结构化学 年份:2014
Two new Ag(I) complexes {Ag2(L)(NO3)(H2O)}n(1) and {Ag(L)}n·nH2O(2) have been synthesized via the reaction of silver nitrate and betaine derivative 1-carbo...
[期刊论文] 作者:YU Jitao,DING Yuanting,CHENG H,
来源:海洋学报:英文版 年份:2016
Beach morphodynamic classifications have achieved extensive acceptance in foreign coastal geomorphological studies.Three beaches located in different zones of a...
[期刊论文] 作者:Pengfei JI,Xingyun YAN,Cheng H,
来源:农业科学与技术:英文版 年份:2012
Abstract [Ob.jective] This study aimed to examine the effect of different proportions of Wolffia on the growth of Procambarus clarkia in 2 kinds of community sc...
Protective effects of total triterpenoids of Prunella Vulgaris L. (TTP) (against carbon tetrachlorid
[期刊论文] 作者:Shengpeng Zhang Jun Li Cheng H,
来源:中国药理通讯 年份:2011
...
[期刊论文] 作者:XIN-Yu SHAO,RONG ZHANG,CHENG H,
来源:生物医学与环境科学:英文版 年份:2010
Objective Prader-Willi Sydrome(PWS) is a human disorder related to genomic imprinting defect on 15q11-13.It is characterized by a series of classic features...
[期刊论文] 作者:SU Zhongmin,GAO Hongze,CHENG H,
来源:中国科学B辑(英文版) 年份:2004
By means of ab initio HF and DFT B3LYP methods, the structure of Gaq3 (q = 8-hydroxyquinoline) was optimized. The frontier molecular orbital characteristics and...
[期刊论文] 作者:Pengfei JI,Xingyun YAN,Cheng H,
来源:农业科学与技术:英文版 年份:2004
Abstract [Ob.jective] This study aimed to examine the effect of different proportions of Wolffia on the growth of Procambarus clarkia in 2 kinds of community sc...
Precise Microdeletion Detection of Prader-Willi Syndrome with Array Comparative Genome Hybridization
[期刊论文] 作者:XIN-YU SHAO,RONG ZHANG,CHENG H,
来源:生物医学与环境科学(英文版) 年份:2004
Objective Prader-Willi Sydrome (PWS) is a human disorder related to genomic imprinting defect on 15q11-13.It is characterized by a series of classic features su...
[期刊论文] 作者:MA Youguang,Liu YongLi,CHENG H,
来源:城市道桥与防洪 年份:2000
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...
Morphology Evolution of Polystyrene-core/Poly(N-isopropylacrylamide)-shell Microgel Synthesized by O
[期刊论文] 作者:Wen-tao Hu,Hua Yang,He Cheng,H,
来源:黑龙江科技学院学报 年份:2017
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:Cai Mao ZHAN,Zhan Gang CHENG,H,
来源:中国化学快报(英文版) 年份:2004
A kind of novel electroluminescence polymer has been prepared by oxidative-coupling polymerization of N-alkyl carbazole and trans-stilbene. The structure of the...
[期刊论文] 作者:Jurong Bai,Yong Li,Wei Cheng,H,
来源:中国通信:英文版 年份:2017
...
[期刊论文] 作者:Ke Gui Yu,Dong Hong Li,Cheng H,
来源:中国化学快报:英文版 年份:2009
第四级的铵猫的一个新奇系列离子的衍生物基于 tetrapyridyl 卟啉被综合。所有混合物被评估为他们的在里面对 S 的 vitro 抗菌剂活动。aureus, E。关口 i 和 P。对 C 的 aerug...
The relationship of Imp2 and DR3 genes with susceptibility to type Ⅰ diabetes mellitus in south Chin
[期刊论文] 作者:Ding HL,Cheng H,Fu ZZ,Deng QL,,
来源:世界胃肠病学杂志:英文版(电子版) 年份:2000
AIN To study the relationship of Imp2 and DR3genes with type Ⅰ diabetes mellitus.NETHODS Imp2 genotypes and DR3 wereidentified in 68 patients with type Ⅰ diab...
[期刊论文] 作者:Ke Gui Yu,Dong Hong Li,Cheng H,
来源:黑龙江科技学院学报 年份:2009
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...
[会议论文] 作者:Chen H,Chen K,Cheng H,Zhou R,Chen J,
来源:中国细胞生物学学会2013年全国学术大会 年份:2013
...
[会议论文] 作者:Chen H,Chen K,Chen J,Cheng H,Zhou R,
来源:中国细胞生物学学会2013年全国学术大会 年份:2013
As an essential component of eukaryotic cells,nuclear envelope (NE) plays a crucial role in many physiological processes.Very few membrane proteins of the NE ha...
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