Sentence examples for chemical is given from inspiring English sources
Considering a diffusing chemical species with concentration x (t, r → ) that varies with time t and location r → within the chamber, the flux vector J → of this chemical is given by J → = − D ∇ → x, where D is the diffusion constant in air.
Germany, Denmark and Italy have yet to clarify their positions on the proposal that the chemical be given a new 15-year licence.
In addition, to determine whether BAPN had any effect on the growth of established metastases, the chemical was given to mice at 7 days (d 7) post-injection, a time when bioluminescence signals from the metastases could be reliably measured.
Often just a few doses of a test chemical are given for varying times to laboratory animals for toxicity testing, and the NOAEL is equal to one of these doses.
The first newborn had a normal methemoglobin level (1.2%), whereas those born after the chemical was given had higher levels of methemoglobin (10.1%) in their blood (Gruener et al. 1973).
This just released authoritative report -- "Reducing Environmental Cancer Risk: What Can We Do Now" -- states that exposure to environmental chemicals is giving rise to more and more cancers than we ever imagined.
Within industry, iron and steel, electric power, coal, heavy engineering, building materials, and basic chemicals were given first priority; in accordance with Soviet practice, the aim was to construct large, sophisticated, and highly capital-intensive plants.
