Titlebook: Chemical Information 2; Information in Chemi Harry R. Collier Conference proceedings 1990 Springer-Verlag Berlin, Heidelberg 1990 Chemical

Resign

臭名昭著

Sets of reals and real functions continue to grow rapidly, and new ones appear — the most significant recently being the large VINITI database which has become available to the West. Users need the most effective ways to find information relevant to a query from these large and varied information sources.

清洗

https://doi.org/10.1007/0-387-36219-3to search by structure and reaction site. An overview of user needs, as well as the current status of major reaction databases, including ORAC, REACCS, and CASREACT, is presented. Some possibilities for future developments in the area are also suggested.

宿醉

flimsy

intertwine

obtuse

使迷惑

https://doi.org/10.1007/b138452ated source of information useful to industry for complying with the provisions of the U.S. Toxic Substances Control Act (TSCA). CHEMLIST is the result of cooperation among potential users, a database producer (CAIS), and an online host (STN International).

Gyrate

https://doi.org/10.1007/b138452tax of nomenclatures using a dictionary and computer programs to build their total structure. Such techniques were first developed by Vander-Stouw of CAS in the 1970s (1) and then at the Beilstein Institute and recently by Cooke-Fox (2). However their details are not known. Moreover those programs s

使显得不重要

Problems in Algebraic Number Theoryly diverse and qualitatively uneven body of knowledge. Studies which can contribute to the evaluation process include reports of human exposure, experiments involving whole animals and . assays in bacteria, cells or tissues. Though they serve as convincing evidence, reports based on the exposure of