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[期刊论文] 作者:MeiHuaYANG RongBinZHANG FengYi,
来源:中国化学快报:英文版 年份:2004
The NiB amorphous alloy catalysts supported on CNTs and alumina were prepared by impregnation and chemical reduction. The gas-phase benzene hydrogenation was us...
[期刊论文] 作者:LEIDongfeng,FENGYi,JiangDazong,
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...
Study on Carbon Nanotubes Prepared from Catalytic Decomposition of CH4 over Lanthanum Containing Ni-
[期刊论文] 作者:Wang Minwei,Li Fengyi,
来源:稀土学报(英文版) 年份:2004
A series of lanthanum containing Ni-base catalysts were prepared by citric acid complex method.Carbon nanotubes (CNT) were synthesized bY catalytic decomposing...
Study on Carbon Nanotubes Prepared from Catalytic Decomposition of CH4 over Lanthanum Containing Ni-
[期刊论文] 作者:Wang Minwei Li Fengyi,
来源:中国稀土学报:英文版 年份:2004
A series of lanthanum containing Ni-base catalysts were prepared by citric acid complex method.Carbon nanotubes (CNT) were synthesized bY catalytic decomposing...
[期刊论文] 作者:XIONG Chuanbing,JIANG Fengyi,F,
来源:中国科学E辑(英文版) 年份:2004
InGaN MQW LEDs, grown by metal-organic chemical vapor deposition(MOCVD) on Si(111) substrates, were successfully bonded and transferred onto new Si substrate. A...
Effects of Citric Acid Concentration and Activation Temperature on the Synthesis of Carbon Nanotubes
[期刊论文] 作者:Fengyi Li,Minwei Wang,Rongbin,
来源:天然气化学 年份:2004
A series of Ni-La-Mg catalyst samples were prepared by citric acid complex method, and carbon nanotubes were synthesized by catalytic decomposition of CH4 on th...
[期刊论文] 作者:Du Zhihua,Du Jinyuan,
来源:数学物理学报(英文版) 年份:2004
In this article, by introducing characteristic singular integral operator and associate singular integral equations (SIEs), the authors discuss the direct metho...
[期刊论文] 作者:DU Yong-ming,DU Yong-ming,
来源:海外英语 年份:2004
...
Effect of Lanthanum on Catalytic Growth of Carbon Nanotubes from Methane over Nickel-Aluminum Cataly
[期刊论文] 作者:Ju Yan Li Fengyi Wei Renzhong,
来源:中国稀土学报:英文版 年份:2004
The synthesis of carbon nanotubes (CNTs) from methane decomposition by Ni-La-Al (Ni/La/Al = 10: 1:9) and Ni-Al (Ni/A1 = 1:1 ) catalysts at 1023 K was studied.Ca...
Effect of Lanthanum on Catalytic Growth of Carbon Nanotubes from Methane over Nickel-Aluminum Cataly
[期刊论文] 作者:JU Yan,Li Fengyi,Wei Renzhong,,
来源:稀土学报(英文版) 年份:2004
The synthesis of carbon nanotubes (CNTs) from methane decomposition by Ni-La-Al (Ni/La/Al = 10: 1:9) and Ni-Al (Ni/A1 = 1:1 ) catalysts at 1023 K was studied.Ca...
[期刊论文] 作者:Renzhong Wei,Fengyi Li,Yan Ju,
来源:天然气化学 年份:2004
A series of Ni/Cu/Al catalyst samples were prepared by the co-precipitation method. Carbon nanotubes with large inner diameters are successfully synthesized fro...
[会议论文] 作者:Chongjiang Du,,
来源: 年份:2004
本文就碾压混凝土坝泄洪道的基本施工方法进行论述并总结,就泄洪道常规混凝土表层和碾压混凝土坝体施工中传统的两阶段式(或分开)施工工艺和新型的并行施工工艺(包括阶梯式泄...
[会议论文] 作者:Fenglian Du,,
来源: 年份:2004
中国与周边国家关系不仅取决于国家的外交政策,还与自身的经济发展实力密切相关,因为外交政策以及相邻国家的经济实力对比会影响周边国家的预期和判断。建国以来,特别是改革...
[期刊论文] 作者:Jiang Du,
来源:美中经济评论:英文版 年份:2004
...
[期刊论文] 作者:DU Qian,
来源:海外英语 年份:2004
Systemic Functional Grammar gives text analysis a theoretical framework.Text analysis is useful for readers to understand the text.Under the theoretical framewo...
[期刊论文] 作者:DU Fan-zhen,
来源:中国误诊学杂志 年份:2004
目的探讨睑板腺癌误诊原因,提高诊断率。方法分析讨论59例经病理证实的睑板腺癌临床及病理改变。结果 59例中有7例曾被误诊为睑板腺囊肿,反复多次手术,4例被误诊为鳞状细胞癌,1例......
[期刊论文] 作者:DU Xiao-yan,
来源:青年与社会 年份:2004
Romeo and Juliet by Shakespeare remains now a world-famous and popular play.In this play, love between Romeo and Julie symbolizes the ideology of humanism, ther...
[期刊论文] 作者:DU Yu-Kou,
来源:结构化学 年份:2004
The structure and mechanism of isomerization of CH3SB have been studied by using DFT method at the B3LYP/6-311G** level. The computational results reveal that t...
[期刊论文] 作者:Du Jinyuan,
来源:数学物理学报(英文版) 年份:2004
This paper applies the singular integral operators,singular quadrature operators and discretization matrices associated withsingular integral equations with Cau...
[期刊论文] 作者:Dong-lei Du,
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...
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