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[期刊论文] 作者:WEN Xiang-jun,ZHANG Yu-nong,YA,
来源:浙江大学学报A(英文版) 年份:2004
Support Vector Machines (SVMs) have been widely used in pattern recognition and have also drawn considerable interest in control areas. Based on a method of lea...
[期刊论文] 作者:Chuan Li,Tian-Fu Wen,Lu-Nan Ya,
来源:国际肝胆胰疾病杂志(英文版) 年份:2004
BACKGROUND:?Living donor liver transplantation (LDLT) is considered to be the alterative choice in light of the great shortage of cadaveric donors. However, the...
[期刊论文] 作者:WEN Jialing,NIU Quanfeng,XU Ya,
来源:武汉理工大学学报(材料科学版)英 年份:2004
This investigation aimed at how to improve the hardness and wear resistance by B, Si and Cr, and how to improve the synthesis property by Re (rare-earth element...
[期刊论文] 作者:Shu Xian MENG,Ya Qing FENG,Wen,
来源:中国化学快报(英文版) 年份:2004
Three quaternized chitosan derivatives were synthesized and their adsorption performance of bile acid from aqueous solution was studied. The adsorption capaciti...
Preparation of PdCo Bimetallic Hollow Nanospheres and its Electrocatalytic Activity for Oxidation of
[期刊论文] 作者:Ya Wen TANG,Shuang CAO,Ling Li,
来源:中国化学快报(英文版) 年份:2004
The PdCo bimetallic hollow nanospheres with 80 nm average diameter and around 9.0nm thickness of the shell were prepared with a special reduction method and cha...
Secondary Activation of Commercial Activated Carbon and its Application in Electric Double Layer Cap
[期刊论文] 作者:Hui YANG,Jia Hong ZHOU,Ya Wen,
来源:中国化学快报 年份:2004
The cheap commercial activated carbon (AC) was improved through the secondary activation under steam in the presence of FeCl2 catalyst in the temperature range...
Influence of InAs deposition thickness on the structural and optical properties of InAs quantum wire
[期刊论文] 作者:Yuanli Wang,Hua Cui,Wen Lei,Ya,
来源:北京科技大学学报(英文版) 年份:2004
The influence of InAs deposition thickness on the structural and optical properties of InAs/InAlAs quantum wires (QWR) superlattices (SLS) was studied. The tran...
[期刊论文] 作者:Ya Wen Zhou,Wei Zhou,Fu Han,Ba,
来源:中国化学快报(英文版) 年份:2004
The cloudy Silwet L-77 aqueous solution on the concentration range from 0.5% to 50% was investigated by dielectric relaxation spectroscopy. The concentration de...
[期刊论文] 作者:Wen Shu WANG,Ya Wei ZHOU,Yun H,
来源:中国化学快报 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...
Enantioselective Reduction of Achiral Ketones with NaBH4/I2 Catalyzed by (S)-Ferrocenyl Amino Alcoho
[期刊论文] 作者:Wei Yi CHEN,Jun LU,Ya Wen ZHAN,
来源:中国化学快报 年份:2004
The reduction reagents prepared from sodium borohydride, I2 and a catalytic amount of chiral ferrocenyl amino alcohols 2a-e have been successfully applied to th...
[期刊论文] 作者:Chih Ming Ma,Ya Wen Lee,Gui Bi,
来源:环境科学学报(英文版) 年份:2004
TiO2 nanoparticles, doped with different Pt contents, were prepared by a modified photodeposition method using Degussa P-25 TiO2,and desorption isotherm measure...
[期刊论文] 作者:He Wen Wang,Ya Qing Feng,Jin Q,
来源:中国化学快报 年份:2004
Four novel calix[4]arene derivatives 5-8 bearing four fluorogenic coumarin units attached via imino group acting also as binding sites at the upper rim have bee...
[期刊论文] 作者:Liu Zi-Xin,Liu Ping,Liu Ya,Wen Sheng-Hui,
来源:中国物理(英文版) 年份:2004
In this paper we have studied the phased t U Hubbard model. Using the constrained path Monte Carlo method,we investigated the effects of phase factor on pairing...
[期刊论文] 作者:GAO Ya,
来源:海外英语(上) 年份:2004
Second language acquisition is a complex process which involves various factors. The factors can be put into two cate?gories:social factors and learner factors....
The effect of the leptin and its receptor expression in CRF rat by the Reinforcing Kidney and Exhaus
[期刊论文] 作者:Yu Junsheng,Zhuang Wen Qing,Du Ya jing,Luo Bing,
来源:中医药学刊 年份:2004
Objective :To investigate the adjusting malnutrition mechanism by the Reinforcing Kidney and Exhausting Toxic Mixture(REM) on the chronic renal failure (CRF) ra...
[期刊论文] 作者:Wen Wen,Jianbo Song,
来源:中国工商管理研究前沿 年份:2004
With growing economic globalization,retee managers who have obtained education or work experience overseas play a much more crucial role in corporations,especia...
[期刊论文] 作者:WEN Shengyou,WEN Zhiying,
来源:自然科学进展 年份:2004
In this paper we discuss the relations among the doubling condition, equivalence of the Hausdorff measures and equivalence of metrics. We will show that H ρ,g1...
[期刊论文] 作者:HuangYun-ping,WangZhen-dong,Ya,
来源:武汉大学学报:自然科学英文版 年份:2004
Based on distance matrix W, the novel topological index WF is defined by the matrices X, W, L, as WF=XWL. Where X is a row matrix, which expresses the bonding c...
[期刊论文] 作者:Tu Ya Qing,
来源:安徽文学(下半月) 年份:2004
Idioms, which reflect customs, are the essence of culture in every country. It is necessary for us to become aware of the increasing significance of idioms lear...
[期刊论文] 作者:Ya Jun Yang,Ya Nan Yang,Jian S,
来源:中国化学快报(英文版) 年份:2004
A series of heterocycle-substituted phthalimide derivatives were synthesized. Structurally diverse derivatives with heterocyclic rings, including furan, imidazo...
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