Sentence examples for substances defined by from inspiring English sources

Since the molecular mass distribution of drugs is essentially identical to that of all chemicals stored in the Beilstein database, it's tempting to speculate that randomness may indeed play a role in drug design, i.e., that drugs arise from a random sampling of existing substances defined by the rules of organic chemistry as proposed by Fialkowski and co-workers [34].

In 26 samples, the presence of CAP was confirmed using the criteria for banned substances defined by the EU.

Term profiling is also used for a comprehensive analysis of a class of substances defined by common structural features (e.g., oxylipin profiling).

But are prohibited substances defined only by their chemical makeup?

A special class of substances is defined by PBT substances, i.e., chemical substances having the persistent, bioaccumulative, and toxic property.

Concerning formal reality, there are three "levels": infinite substance, finite substance (as defined by its principal attribute), and mode.

Hazardous substances are defined by standardized classification and labeling according to the criteria of the CLP Regulation [1].

Those precursor substances are defined by a similar length of the perfluorinated carbon chain compared to the short-chain PFASs, connected to a non-fluorinated moiety (see Fig. 1).

In 2000, the E.P.A. determined that mercury is a hazardous substance as defined by the Clean Air Act, which requires that such substances be strictly controlled.

For each Priority Hazardous Substance newly defined by the directive, EQS values, i.e., effect-based numerical quality criteria for assessing the status of an aquatic system, need to be derived and enforced.

In contrast to Substance Dependence, Substance Abuse is defined by its absence of tolerance, withdrawal or compulsive use.