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Synthesis of 1,2-allenic ketones through oxidation of homopropargyl alcohols with CrO3(cat.)/TBHP un
[期刊论文] 作者：Xin Ying Zhang,Ying Ying Qu,Ya,
来源：中国化学快报（英文版） 年份：2004
A Cr3 catalyzed oxidation of homopropargyl alcohols with tert-butyl hydroperoxide under microwave irradiation was found to be an efficient and rapid alternative...
An efficient and green preparation of 5-aminophosphonate substituted pyrimidine nucleosides under so
[期刊论文] 作者：Xin Ying Zhang,Ying Ying Qu,Xu,
来源：中国化学快报（英文版） 年份：2004
An environmentally benign and highly efficient one-pot preparation of α-aminophosphonates under solvent-free conditions was developed.By employing this method,...
[期刊论文] 作者：苏莹莹,SU Ying﹣ying,
来源：化工设计通讯 年份：2004
气化装置捞渣机在运行过程中出现堵渣、漂链、回程段积渣严重、机头回程链卡涩等现象，造成了捞渣机多次故障停机，针对这些情况对捞渣机进行了相关技术改造，避免了捞渣机故障跳车......
[期刊论文] 作者：Ying Guo,
来源：中国经济评论：英文版 年份：2004
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[期刊论文] 作者：Ying Lu,
来源：中美英语教学 年份：2004
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[期刊论文] 作者：Lu Ying,
来源：安徽农业科学 年份：2004
简要介绍生态风景林在城市综合性公园中的发展趋势,并以河津市九龙公园生态风景林为例,从景观设计、及生态设计、景观-生态互融设计来探讨如何营造在特定的城市综合性公园环...
[期刊论文] 作者：Ying Xu,
来源：计算机科学技术学报（英文版） 年份：2004
This article addresses how the functionalities of the cellular machinery of a bacterium might have constrained the genomic arrangement of its genes during evolu...
[期刊论文] 作者：LI Ying,
来源：有机硅材料 年份：2004
以羟基封端硅氧烷为基体制备有机硅泡沫材料并分析其反应机理.分析了有机硅泡沫材料的反应原理,通过对羟基硅油黏度、催化剂种类及其用量、成核剂种类的筛选,确定了制备有机...
[期刊论文] 作者：YING Mingsheng,
来源：计算机科学技术学报（英文版） 年份：2004
This paper introduces the modifications onactions of a topology on names of actions and the simplest topology onagents induced by a topology on names of actions...
[期刊论文] 作者：YING Mingsheng,
来源：中国科学E辑（英文版） 年份：2004
We give two generalizations of Tarskis fixpoint theorem in the setting of residuated lattices and use them to establish van Emdem-Kowalskis least fixpoint seman...
[期刊论文] 作者：XIAO Ying,
来源：农业科技与装备 年份：2004
针对当前我围县级农机校存在的招生普遍困难、不按要求培训、培训方式老化、知识更新缓慢.教学形式落后和师资力量不足等问题,提出r解决措施,为县级农机教育摆脱困境、实现可...
[期刊论文] 作者：Ying Shen,
来源：RESEARCH ARTICLE 年份：2004
Empirical research on the effect of family size on child education is complicated by the endogeneity of family size.This study exploits plausibly exogenous chan...
Further inquiries into the Four Gāndhārī Samyuktāgama Sūtras (in the Senior Collection)Discussion Ba
[期刊论文] 作者：Li Ying,
来源： 年份：2004
In 1994,the British Library received 29 pieces of birch bark scroll written in Kharosthī script from an anonymous donor.It is highly likely that the fragments...
Exploring Tibetan religious transmission from generational perspective in modern China——A case study
[期刊论文] 作者：Nan Ying,
来源： 年份：2004
Since the Reform and Opening-up in 1978,Tibetan area has been through a rapid social,cultural and economic change.A number of studies have focused on economic d...
[期刊论文] 作者：WANG Ying,
来源：哈尔滨工业大学学报 年份：2004
Let L be a finite-dimensional simple Lie superalgebra, and a sufficient condition is obtained for the length of transitive filtration of L to be greater than ze...
[期刊论文] 作者：FENG Ying,
来源：西南交通大学学报（英文版） 年份：2004
Based on the knowledge of f-algebra, the concept of quotient f-algebra is mainly discussed. The sufficient condition when the quotient space is quotient f-algeb...
[期刊论文] 作者：YING Mingsheng,
来源：计算机科学技术学报（英文版） 年份：2004
We use a many-sorted language to remove commutativity from phasesemantics of linear logic and show that pure noncommutativeintuitionistic linear propositional l...
A second order explicit finite element scheme to multi-dimensional conservation laws and its converg
[期刊论文] 作者：YING Long'an,
来源：中国科学A辑（英文版） 年份：2004
A second order explicit finite element scheme is given for the numerical computation to multi-dimensional scalar conservation laws. Lp-convergence to entropy so...
[期刊论文] 作者：YING Long'an,
来源：中国科学A辑（英文版） 年份：2004
We study a finite difference scheme for a combustion model problem. A projection scheme near the combustion wave, and the standard upwind finite difference sche...
[期刊论文] 作者：YING Jin-ping,
来源：理论物理通讯（英文版） 年份：2004
By means of the heat conduction equation and the standard truncated Painlevé expansion, the (1+1) dimensional Kupershmidt equation is solved. Some significant...
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