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This paper introduces the salt assistance to Pd-catalyzed Suzuki, Heck, Stille and Sonogashira reactions as well as ary- lation of enolate, ortho-arylation of phenol and carbonylation.
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介绍了铯盐在钯催化的Suzuki,Heck,Stille,Sonogashira反应,烯醇盐的芳基化,酚类的邻位芳基化以及羰基化反应中的促进作用. |
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This paper introduces the struction of PVC_SG type water proof crimped materials and the appl ication at dyke seepage control and joining of waterproof crimped materials and paving methods.
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介绍了PVC-SG型防水卷材的结构及其在堤防防渗上的应用以及防水卷材的连结和铺设方法。 |
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This paper introduces the thesis of the indeterminacy of translation proposed by the American philosopher Willard V.O.
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本文详细介绍了美国哲学家威拉德·奎因关于“翻译的不确定性”的观点及奎因认为导致“翻译的不确定性”的两个原因 :意义的不确定性和指称的不可测知性。 |
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This paper introduces the variation of current with time for LC Aluminum alloy samples between insides of the stress corrosive cracking and outside of free surface in .% NaCl solution.
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研究了 LC铝合金在 .% Nacl水溶液中 ,应力腐蚀裂纹尖端区域与内部其它各样块之间 ,裂纹尖端区域与外自由表面之间电流随时间的变化 . |
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This paper introduces the work principle and program method of DS 0 trickle charge timekeeping chip.
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本文介绍了DS 0日历时钟芯片的工作原理和编程方法。 |
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This paper introduces the working theory, hard- ware interface and communication protocol of GPS-OEM board,for example GPSLVS of GARMIN Company. Make a discussion of the method of developing GPS receiver based on GPS-OEM board and Singlechip.
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本文以GARMIN公司GPSLVSOEM板为例,介绍了GPS-OEM板的工作原理和通信协议,讨论了基于单片机和OEM板开发简单的GPS接收机系统的方法。 |
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This paper investigates the Riemann boundary value problems for functions of two complex variables(boundary condi- tion:F~(++)=G_F~(+-)+G_F~(-+)+G_ F~(--)+f).
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本文考察了二元复变函数的 Riemann 边值问题(边界条件 F~(++)=G_F~(+-)+G_F~(-+)+G_ F~(--)+f). |
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This paper is based on the specimens of scaled sardine (Harengula zunasi) collected through the year 988. The scales were read for the ages (age -), and were 'further analysed using electronmicroscope.
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本文根据青岛近海 尾青鳞鱼年龄与生长的周年资料,运用扫描电镜技术识别轮纹、鉴定年轮,确定该群体系由—龄鱼组成; |
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This paper is concerned mainly with the detailed review of the development of the dressed mode theory of adsorptive Optical Bistability.
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本文主要是详细评述了吸收型光学双稳性的缀饰模式(dressed mode)理论的进展。 |
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This paper is concerned with the quasi-distribution cosine function defined on X by G(φ)G= G(φ*) + G(?)
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本文研究了X上定义的拟分布余弦函数:G（φ）G（Ψ）=G（φ＊Ψ）+G（φ（?） |
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This paper lodged a scheme to resolve the deficiency of home security & protection products based on PSTN by using newly produced SOC of SPCE0A SunPlus Ccmpany,which is very valuable in practice.
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采用凌阳公司新近推出的位SPCE0A片上系统,提出了基于PSTN家庭安防产品中存在的不足及解决方案。 |
