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[期刊论文] 作者:Jia-feng L,Ji-wei HE,Di-ming L, 来源:中国科学A辑(英文版) 年份:2004
It is a small step toward the Koszul-type algebras. The piecewise-Koszul algebras are,in general, a new class of quadratic algebras but not the classical Koszul...
[期刊论文] 作者:Fan Lü,Pinjing He, 来源:环境科学学报(英文版) 年份:2004
The impacts of landfill leachate irrigation on methane oxidation activities and methane-consuming bacteria populations were studied by incubation of landfill co...
[期刊论文] 作者:HE Miao-miao,TIAN Guang-ming,L, 来源:环境科学学报(英文版) 年份:2004
The potential harm of heavy metals is a primary concern in application of sludge to the agricultural land. A pot experiment was conducted to evaluate the effect...
[期刊论文] 作者:HE Xiang-ming,ZHANG Shu-fang,L, 来源:中国有色金属学会会刊(英文版) 年份:2004
If the reverse transformation of a shape memory alloy is arrested, a kinetic stop will appear in the next complete transformation. The kinetic stop temperature...
[期刊论文] 作者:Jack,, 来源:思维与智慧 年份:2004
美国贵族中学学费贵的吓人,学生大多出自富人家庭。日前,作者走进美国一所知名贵族中学,体验了三堂"人生课"。第一课:认识贫穷。贵族中学的孩子,家境都很殷实。所以一开...
[期刊论文] 作者:Jack, 来源:海外英语 年份:2004
本文作者曾在中国执教数年,遇到许多中国学生向他提问.他总结了其中较具代表性的问题一一予以了解答,希望对广大读者朋友有所帮助.……...
[期刊论文] 作者:Jack, 来源:海外英语 年份:2004
Sun Meilin was thinking about the time when she lived in Guangzhou with her husband. Their marriage was a happy one, until one day when she came home early from...
[期刊论文] 作者:Jack, 来源:海外英语 年份:2004
When Yao Lan was born, her parents were both working in a factory that produced newsprint paper. The paper from the factory was considered good quality and all...
[期刊论文] 作者:Jack, 来源:海外英语 年份:2004
Deng Li was an ordinary man with ordinary dreams and aspirations. He had an ordinary job working in a state-owned chemicals manufacturing company. He earned jus...
[期刊论文] 作者:Jack, 来源:海外英语 年份:2004
"Can you understand how I feel, why I reel it... can you understand my torture, my pain... ?" Shao Qiang asked,looking intensely, almost imploringly, into Ming...
[期刊论文] 作者:Jack, 来源:海外英语 年份:2004
Zhou entered the classroom, his face beaming. He glanced around quickly, looking for his pals. As his eyes met Si Yu' s, he winked, his smile widening trium...
[期刊论文] 作者:Jack, 来源:在线 年份:2004
局域网中服务器是保存数据的主要设备.而服务器如果突然遭遇停电.不但会使正在操作的数据得不到备份,甚至直接导致硬件损坏。随着夏季的到来.市电电压的不稳定会对整个局域网数据......
[期刊论文] 作者:Jack,, 来源:经理人 年份:2004
中国的 SIM 卡和银行卡的增长2001年有望分别达到25%和50%。“中国是一个大市场,是一个很有潜力的市场,只要合理,我们就不断会在中国投资。”The growth of China's SIM ca...
[期刊论文] 作者:Jack McCall,Jack McCall, 来源:电网与清洁能源 年份:2004
利用高温超导材料的基本特性,提出了超级安全技术,解决了现有电网在扩大规模时故障电流超过传统设备极限的问题,并在增加电网容量的同时,增强了系统的可靠性和安全性....
[期刊论文] 作者:Min-Ke He, Yong Le, Qi-Jiong L, 来源:癌症 年份:2004
背景与目的肝动脉化疗栓塞术(transarterial chemoembolization,TACE)被推荐为巴塞罗那临床肝癌(Barcelona Clinic Liver Cancer,BCLC)A–B期的不可切除肝细胞癌(hepatocellu...
[期刊论文] 作者:L Zhong-Wei,HOU Min,HE Jun-Min, 来源:核技术(英文版) 年份:2004
This study is used to investigate the feasibility of employing the Iodogen method to label triplex-forming oligonucleotide (TFO) targeted to the initiator of th...
[期刊论文] 作者:Ying HE,Jianfang GAO,Longhui L, 来源:亚洲两栖爬行动物研究(英文版) 年份:2004
In this study we explored electrophoretic proifles, enzymatic activities and immunoreactivity of neonate and adult venoms from two snakes (Naja atra and Deinagk...
[期刊论文] 作者:HE Hang-yong,CHANG Shuo,DING L, 来源:中华医学杂志(英文版) 年份:2004
Background Chronic obstructive pulmonary diseases (COPD) is an emerging population at risk for invasive infection of Aspergillus.Isolation of Aspergillus from l...
[期刊论文] 作者:Mingshun Liu,Dan He,Fengluan L, 来源:现代电生理学杂志 年份:2004
Objective:To explore level diagnosis on CT and BA in cerebrovascular diseases. Meth-od:CT and BA were examined in 53 patients with eerebrovascular diseases and...
[期刊论文] 作者:RuiXia He,HuiJun Jin,LanZhi L,, 来源:寒旱区科学(英文版) 年份:2004
The cold-region eco-environments along the China-Russia Crude Oil Pipeline(CRCOP)in northern Northeast China are in disequilibrium due to the combined influence...
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