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[期刊论文] 作者:陈玉驹, 来源:中学课程辅导:高考版 年份:2004
面对这种类型的作文题目时,我们要学会切(qie)题。只有切题,才能写出切(qie)合题意的作文来...
[期刊论文] 作者:FAN Ning-jun,XU Jia,YANG Ji-we, 来源:北京理工大学学报(英文版) 年份:2004
Based on investigations into the flow field of ducted fan aircrafts, structural parameters of duct are...
[期刊论文] 作者:ZHANG Junhong,LIU Hai,BI Fengr, 来源:中国机械工程学报 年份:2004
There are more researches on engine fan noise control focusing on reducing fan noise level through optimizing...fan structure,and a lot of research achievements h...
[期刊论文] 作者:王保安,孙鹏, 来源:大学英语 年份:2004
While the football fan was thrilled to be at the Super Bowl, he was disappointed with the location of...
[期刊论文] 作者:王保安, 来源:大学英语 年份:2004
While the football fan was thrilled to be at the Super Bowl, he was disappointedwith the location of...
[期刊论文] 作者:Tsutomu ADACHI,Naohiro SUGITA,Satoshi OHOMORI, 来源:Journal of Thermal Science 年份:2004
The flow at the exit from the runner blade of a centrifugal fan with forward curved blades (a sirocco...fan) sometimes separates and becomes unstable....
[期刊论文] 作者:Norimasa Shiomi,Kenji Kaneko,Yoichi Kinoue,T.Setoguchi,, 来源:Journal of Thermal Science 年份:2004
In order to improve the fan characteristics,especially efficiency and noise level of a small axial cooling...fan with a large tip clearance,the internal flow mea...
[期刊论文] 作者:赵克文, 来源:系统工程 年份:2004
1984年,Fan给出了著名的Fan定理:若2连通n阶图G的距离是2的任意两点x、y均有max{d(x),d(y)}≥n/2,则G是哈密尔顿图.本文证明深化Fan条件的结果:若2连通n阶图G的满足1≤|...
[期刊论文] 作者:晏瑜敏,冯晓霞,杨忠鹏,陈智雄, 来源:黑龙江大学自然科学学报 年份:2004
首先指出张胜关于M-矩阵Fan乘积的行列式下界的估计不比两个M矩阵的Fan乘积的Oppenheim型不等式的结果好,然后进一步推广了两个M矩阵的Fan乘积的Oppenlleim型不等式,并且说明推...
[期刊论文] 作者:A.R.Khan,N.Hussain,A.B.Thaheem, 来源:分析理论与应用:英文刊 年份:2004
We pressent new Ky Fan type best approximation theorems for a discontinuous multivalued map on metrizable...
[期刊论文] 作者:郭先一,李祖泉, 来源:杭州师范大学学报(自然科学版) 年份:2004
讨论了连续集值映射空间在赋予紧开拓扑下的可数强fan tightness的等价条件,利用可数开k覆盖列给出了集值映射族Ck(X,R)的可数强fan tightness的刻画,获得了空间X与Ck(X,R)...
[期刊论文] 作者:LauraPatriciaPerucca JuanPared, 来源:地质幕:英文版 年份:2004
The study consists of the identification of landforms subject to alluvial fan flooding in active sectors...
[期刊论文] 作者:GUO Qiang,ZHU Xiaocheng,DU Zha, 来源:机械工程学报(英文版) 年份:2004
The flow field in the tip region of an axial ventilation fan is investigated with a particle image velocimeter...
[期刊论文] 作者:罗群, 来源:河南师范大学学报:自然科学版 年份:2004
在拓扑半格的框架下, 得到了一类向量Ky Fan不等式(它以通常的Ky Fan不等式, 向量平衡为特例)问题的解的存在定理, 其中在空间非紧情况下,使用了escaping序列的概念....
[期刊论文] 作者:NIPeimin, 来源:Discussion & Review 年份:2004
Responding to comments of my recent book,Understanding the Analects of Confucius,by Huang Yong,Fan Ruiping...
[期刊论文] 作者:SUN Xi-miao,WANG Song-tao,JIAN, 来源:哈尔滨工业大学学报(英文版) 年份:2004
networks method were adopted to .optimize the camber line shape of splitter cascade in a transonic axial fan...
[期刊论文] 作者:YANG Ming-ge,DENG Lei, 来源:应用数学和力学(英文版) 年份:2004
The concept of Fan-Browder mappings was first introduced in topological spaces without any convex structure...
[期刊论文] 作者:Xie Chuanli,Ma Haofan,Liang Honggang,Li Dongmei,Qi Xiuli,Xian Benzhong, 来源:石油科学(英文版) 年份:2004
This paper studies the alluvial fan facies characteristics and distribution in the Lower Talang Acar...
[期刊论文] 作者:, 来源:Chinese Journal of Aeronautics 年份:2004
camber angles have been developed to replace the conventional tandem stators in an axial transonic fan...
[期刊论文] 作者:向淑文,, 来源:贵州工业大学学报(自然科学版) 年份:2004
基于弱Fan Ky点的概念,不具任何连续性条件的函数弱Fan Ky点的存在性,给出了几个极大极小不等式定理,所得结果将著名的Fan Ky不等式定理推广至不具连续性条件的情形....
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