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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...
[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...
[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...
[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...
[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....
[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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