Chemical Abstracts

Naming and Indexing of Chemical Substances for Chemical Abstracts

Translating the titles of chemical abstracts into information language

List of abbreviations. IL-information language; ZR-information record; R-reaction; R,, R,I and R,,,types of reaction; S-substantives (nouns); S,,,, S,,, and Sins,,nouns in the genitive, accusative and instrumental cases; S,-nouns of the semantic class R; SRI, SRI, and SR,,rnouns of the semantic classes R,, R,, and R,,,; F’*----a vocabulary of words having a structural analogue; V,,,-the vocabul...

Abstracts Abstracts Index of Abstracts

The Chemical Abstracts Service Chemical Registry System. V. Structure Input and Editing

The Chemical Abstracts Service Chemical Registry System is a computer-based system that uniquely identifies chemical substances on the basis of their structural features. The Registry System currently contains records for more than 3.4 million different substances. Although there are several ways of entering data into the CAS Chemical Registry System, the majority of the transactions for storag...

Speaker Abstracts Poster Abstracts

One of the fundamental problems in neuroscience today is to understand how the activation of large populations of neurons give rise to the higher order functions of the brain including learning, memory, cognition, perception, action and ultimately conscious awareness. Electrophysiological recordings in behaving animals over the past forty years have revealed considerable information about what ...