Sentence examples similar to tests substance from inspiring English sources
Berlin Productions recently designed a site intended to help reduce drug abuse nationwide among teenage girls for Intersystems Inc., a Manhattan-based company that develops and tests substance-abuse prevention programs.
Portable cards and kits for field testing often do not have the specificity needed to reliably pin down the precise nature of a tested substance.
Was the test substance identified?
As the general test principal, the difference between the gas production from the bottles containing the test substance and the bottles without test substance (blank) is taken as the evaluation criterion for assessing the anaerobic degradation of the test substance.
Using a two-phase addition of test substance (rather than three dosings) was deemed a compromise between the test length and the potential to overestimate test substance degradation.
Figure 8 Degradation of test substance # 61 DID in the modified (two-step) testing scheme.
Figure 6 Degradation rates of test substance # 1 DID in the modified (two-step) testing scheme.
Results indicated that abiotic losses of test substances were occurring due to sorption of the test substance to plastic components used in the OxiTop® system.
For non toxic compounds, even higher test substance concentrations may be appropriate.
At the higher concentration of 1,000 mg/l the test substance seems to be initially inhibitory.
