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Influence of Isotope Effects on Product Polarizations of N(2D)+D2,N(2D)+H2 and N(2D)+HD Reactive Sys
[期刊论文] 作者:NIE Shan-shan,CHU Tian-shu,NIE,
来源:高等学校化学研究(英文版) 年份:2004
To figure out the influence of isotope effect on product polarizations of the N(2D)+D2 reactive system and its isotope variants,quasi-classical trajectory(QCT)...
The Research and Application of the Multi-regression Technique in the Course of Enterprises' Marketi
[期刊论文] 作者:Guangjun Zhu,Zhizhong Peng,
来源:中国经济评论:英文版 年份:2004
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Preparation and characterization of molybdenum powders with copper coating by the electroless platin
[期刊论文] 作者:WANG Guangjun,WANG Dezhi,
来源:稀有金属(英文版) 年份:2004
Molybdenum powders with a diameter of approximately 3 μm were coated with copper using the electroless plating technique in the pH 12.5-13 and temperature rang...
[期刊论文] 作者:NIE Mengx,
来源:清华大学学报(英文版) 年份:2004
This paper experimentally analyzes the causes of cavitation damage in the in vert of an open channel. Results show that cavitation in the invert is mainly du e...
[期刊论文] 作者:NIE Li-luo,
来源:中华神经科杂志 年份:2004
目的 建立应用SYBR GreenⅠ实时荧光定量聚合酶链反应(Real-time PCR,RT-PCR)检测parkin基因外显子重排突变的技术平台,应用该技术对常染色体隐性遗传早发型帕金森综合征(aut...
[期刊论文] 作者:NIE Jian-feng,
来源:海外英语(上) 年份:2004
With the popularity of Computer Assisted Language Learning (CALL), autonomous language learning centers have been established in the universities throughout the...
[期刊论文] 作者:Nie Xiangyang,
来源:中国现代医学杂志 年份:2004
目的:婴幼儿PDA术后不置胸腔引流的治疗体会。方法:经左腋下第四肋小切口,4~6cm,常规结扎动脉导管,关胸时排尽余气,不置闭式引流。结果:无病例死亡,术后杂音消失,仅1例少量积血,其余病例......
[期刊论文] 作者:Li Yongzhe,Zhang Guangjun,Xion,
来源:中国焊接 年份:2004
...
[期刊论文] 作者:Yan GU,Guangjun ZHU,Zhongming,
来源:数学年刊B辑(英文版) 年份:2004
Let F be a Hilbert filtration with respect to a Cohen-Macaulay module M.When G(F,M) and FK(F,M) have almost maximal depths, the Hilbert coefficients g2(F, M) is...
[期刊论文] 作者:Yin Ziqiang,Zhang Guangjun,Gao,
来源:中国焊接 年份:2004
3D reconstruction of worn parts is the foundation for remanufacturing system based on robotic arc welding,because it can provide 3D geometric information for ro...
[期刊论文] 作者:Yan Zhihong,Zhang Guangjun,Gao,
来源:中国焊接 年份:2004
A passive visual sensing system is established in this research, and clear weld pool images in pulsed gas metal arc welding ( P-GMA W) can be captured with this...
[期刊论文] 作者:Leng Xuesong,Zhang Guangjun,Ga,
来源:中国焊接 年份:2004
A new twin-tungsten TIG (T-TIG) welding method was studied. This method differs from the conventional TIG method, it places two electrodes insulated from each o...
[期刊论文] 作者:Zhang Guangjun,Chen Shanben,Wu,
来源:中国焊接 年份:2004
This paper analyses the performance request of arc welding power source used in intelligent control of weld pool shape in pulsed GTAW, and develops a sample pow...
[期刊论文] 作者:ZHANG Guangjun,ZHANG Huajun,GA,
来源:中国焊接 年份:2004
A new high efficiency welding method, double-sided double arc welding with double powers (DSAW-D), is developed for thick plate of low alloy high strength steel...
[期刊论文] 作者:Wang Guangjun,Tian Jinwen,Chen,
来源:中国地质大学学报 年份:2004
Because of wide variation in gray levels and particle dimensions and the presence of many small gravel objects in the background, as well as corrupting the imag...
Three dimension simulation analysis of the interpass stress and deformation during multipass welding
[期刊论文] 作者:Zhang Huajun,Zhang Guangjun,Zh,
来源:中国焊接 年份:2004
It has been widely studied about the final residual stress and deformation in multipass welding of thick weldments. But there is a lack of a clear understanding...
Exploring the heavy air pollution in Beijing in the fourth quarter of 2015: assessment of environmen
[期刊论文] 作者:Teng NIE,Lei NIE,Zhen ZHOU,Zha,
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:XIONG Jun,ZHANG Guangjun,HU Yu,
来源:中国机械工程学报 年份:2004
The reconstruction of emission coefficient is a key factor for the calculation of temperature field.However,most of the researches for determining are plasmas a...
[期刊论文] 作者:Liu Lijun,Zhang Guangjun,Wu Li,
来源:中国焊接 年份:2004
According to the characteristics of remote welding, including multiple parameters, real-time, and communication reliability of long wire transmitting, a distrib...
[期刊论文] 作者:GUO Jing,LIU Guangjun,DONG Xur,
来源:地球空间信息科学学报(英文版) 年份:2004
Multi-level spatial index techniques are always used in large spatial databases. After a general survey of R-tree relevant techniques, this paper presents a nov...
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