聚能作用;
The cumulative action of effective temperatures above the developmental threshold ( 15 ℃) during the borer's overwintering period was a major factor affecting diapause termination in the borer. The total effecive temperatures for the borer population were about 267.5 day-degrees.
15℃以上的有效温度的累积作用是滞育解除的主导因子,其群体临界有效积温约为267.5日度。
Toxicological experiment in animals indicated that the disinfectant was of low toxicity ( oral LD_ ( 50) in mice was 890 mg/ kg) and had mild cumulative action and no irritative or sensitizing action on skin.
动物毒性试验表明,本消毒液属低毒物质,具轻度蓄积作用,对皮肤无刺激、无致敏作用。
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