[pə'sɪstəns] n

ثبات ؛بقاء ؛مثابرة ؛استمرار المفعول ؛مداومة

persistence The capacity of a substance to remain chemically stable. This is an important factor in estimating the environmental effects of substances discharged into the environment. Certain toxic substances (e.g., cyanides) have a low persistence, whereas other less immediately toxic substances (e.g., many organochlorines) have a high persistence and may therefore produce more serious effects [pə'sɪstəns] adj.

envir.

درجة المقاومة

persistence

: 9 phrases, 6 sujets

Acridologie	2
Agriculture	1
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