| 单词 | safety threshold |
| 释义 | > as lemmassafety threshold d. The maximum level of exposure to radiation or a harmful substance considered to be acceptable or safe. Also safety threshold. ΚΠ 1925 Kentucky Med. Jrnl. 23 217/2 The killing concentration for a given germ in vitro can be readily determined; the threshold of safety for the patient is a more difficult problem. 1943 Jrnl. Amer. Water Works Assoc. 35 1179/1 To determine the safety threshold with regard to possible effects other than on the teeth, carefully controlled studies must be made of populations who have used fluoride waters of relatively high concentration over a number of years. 1994 Harrowsmith June 18/1 There has been some controversy about treating collies with ivermectin, because some collies have a low toxic threshold for the drug. 2010 Independent (Nexis) 18 Feb. 12 The authors..add that cooking fumes contain other harmful components for which there is no safety threshold, as yet, and which appear to be higher with gas cooking. < as lemmas |
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