A variety of synthetically useful structures can... EJ Corey,D Crouse - 《Journal of Organic Chemistry》 被引量: 140发表: 1968年 Asymmetric synthesis of alpha-amino 1,3-dithioketals from sulfinimines (N-sulfinyl imines). Synthesis of (2S,3R)-(-)-3-hydroxy-3-methylproline. [reaction: ...
(See S. R. Ovshinsky et al, Physical Review Letters, Vol. 58, 2579 (1987).) The discovery of superconductors having relatively high Tc s, e.g., Tc s greater than about 77 K., has led to a wide variety of proposed applications. One such proposal is to use (liquid nitrogen-cooled...
In one embodiment, a host site computer is coupled to a plurality of the central servers 56 at a variety of mutually remote gaming sites for providing a multi-site linked progressive automated gaming system. In one embodiment, a host site computer may serve gaming devices distributed throughout...
Our scheme paves the way for the full characterization of nonequilibrium processes in a variety of quantum systems, ranging from single particles to many-... R Dorner,S.R. Clark,L Heaney,... - 《Physical Review Letters》 被引量: 118发表: 2013年 Anyons: Quantum Mechanics of Particles with...
Besides,it is nice to enjoy 【5】___ (variety) functions of different cell-phones. Others think differently. First,the cell-phone is not【6】___ must in school,as there are some IC phones there,【7】___ (make) it easy to call others. Second, many students often play e-games and...
The multilayer film can be used for packaging a wide variety of products requiring regulation of oxygen permeability under varying packaging conditions because the multilayer film is capable of providing a relatively high OTR without sacrificing the mechanical properties that may be necessary for many ...
“Well, I went through some real soul-searching for about four months, and I sat down and wrote one of the most difficult letters of my life, I think. I wrote to my friend Dewey, and I said, ‘Dewey, I don’t want to add to your problems,’ (He had lost his wife some three...
Biochemical investigations are important tools for discovery of new anticoagulant agents present in a variety of aquatic organisms to substitute for the tr... JAG Rodrigues,Edfranck de Sousa Oliveira Vanderlei,INLD Queiroz,... - 《Revista Ciencia Agronomica》 被引量: 15发表: 2009年 Anticoagulant ...
Impressive 3d illustration of computer modeled rosy letters having a variety of shapes and dazzling in the purple background as if they are flying in some fantastic cyber reality,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术
Silane based products are becoming more attractive alternatives to chromates for environmental reasons and they have been studied as new pretreatments prior to organic coating on a variety of metal substrates, including aluminium, copper... None - 《Focus on Powder Coatings》 被引量: 0发表: 2009...