1) sub-lethal concentration
亚致死浓度
1.
,the development of eggs,larva and pupae of Tribolium castaneum(Herbst) was observed during the phosphine fumigation with sub-lethal concentration,the resistant factors of three strains of tested Tribolium castaneum were 1,170 and 247 respectively,corresponding with them,the designed phosphine sub-lethal concentration was 0 mg/L,0.
在室温30℃±2℃、相对湿度75%±5%环境中研究了对磷化氢抗性和敏感的赤拟谷盗3个品系在磷化氢亚致死浓度下卵、幼虫和蛹的发育与死亡情况,3个赤拟谷盗品系对磷化氢的抗性系数分别为R1=1、R170=170和R247=247,研究中设定的磷化氢亚致死浓度分别为0 mg/L、0。
3) LC50
半致死浓度
1.
QSAR modeling for LC50 of organic chemicals to rainbow trout using molecular connection index;
预测有机物对虹鳟半致死浓度的分子连接性指数法
2.
This paper deals with the acute and chronic toxic effect of Cu2+,Zn2+ r on survival rates,growth of the Neomysis awatschensis including the values of 24,48,72 and 96 h LC50,and safe concentration(SC) in seawate.
包括了Cu2+、Zn2+对黑褐新糠虾在24、48、72和96 h的半致死浓度(LC50),安全浓度(SC)和在生长、成活、繁殖等方面的影响。
3.
The results showed the 48 h,72 h and 96 h LC50(median lethal concentration) values for trichlorfon against fingerling of Carassai.
根据试验期间死亡鱼数及死亡时间,用直线内插法计算各时间点的半致死浓度LC50并根据死亡鱼数研究pH值和温度对敌百虫毒性的影响。
4) median lethal concentration
半致死浓度
1.
It was found that the 24,48,72 h and 96 h median lethal concentration(LC50) values(95% confidence interval) of the phenol to the juveniles were 97(87-109),83(73-95),75(69-83)mg/L and 71(64-80)mg/L,respective.
结果表明:苯酚对中华鲟稚鱼24、48、72 h和96h的半致死浓度(LC50)及95%可信区间分别为97(87~109)、83(73~95)、75(69~83)mg/L和71(64~80)mg/L;Cu2+对中华鲟稚鱼的24、48、72 h和96 h的LC50及95%可信区间分别为0。
2.
The study showed that tadpoles of Bufo Melanosticus,a specie widely distributed in South China,are highly sensitive to waste battery leaching and that the median lethal concentration decreases with the increase of time.
选用我国南方自然界中广泛分布的黑眶蟾蜍(Bufomelanosticus)的蝌蚪,通过研究废旧电池浸出物对蟾蜍蝌蚪致死率的影响,表明蝌蚪对废旧电池渗出液十分敏感;半致死浓度随着时间的增加而降低。
3.
The grades were designed by equal space between logarithm, and the median lethal concentration was computed by Linear Regression.
浓度梯度按等对数间距设置,半致死浓度采用直线内插法进行计算。
5) median-lethal concentration
半致死浓度
1.
The results showed that the median-lethal concentrations were 0.
结果显示,这五种药物48 h的半致死浓度分别为0。
6) LC_(50)
半致死浓度
1.
The LC_(50) of metriphonate to L.
采用急性毒性方法测定了被不同浓度敌百虫毒害的水丝蚓(Limnodilus hoffineisteri)半致死浓度(LC50),利用测定酶活性方法检测了水丝蚓超氧化物歧化酶(SOD)的变化及中毒后水丝蚓喂饲的强壮水螅(Hydra robusta)SOD的改变。
2.
The LC_(50),the safety concentration and the sensitivity of the drugs were compared and suggestions proposed.
8℃下,6种渔用药物对梭子蟹Ⅰ~Ⅱ期稚蟹的96小时半致死浓度(96hLC_(50))分别为硫酸铜1。
补充资料:致死浓度
分子式:
CAS号:
性质:指化学物质(如抗生素、药物或生物制品等)能引起某生物致死的浓度。具体表示方法如下。(1)最低抑制浓度(MIC)。一定条件下某抗生素等化学物质抑制特定微生物的最低浓度。(2)半致死剂量(LD50)。一定条件下,某药物能引起试验生物群体中半数个体死亡的剂量。(3)最低致死剂量(MLD)。通常指在一定条件下,某药物能引起100%试验生物死亡的剂量;有时也指在一定条件下,某药物能杀死一定体重试验生物的一个个体所需的最低剂量。
CAS号:
性质:指化学物质(如抗生素、药物或生物制品等)能引起某生物致死的浓度。具体表示方法如下。(1)最低抑制浓度(MIC)。一定条件下某抗生素等化学物质抑制特定微生物的最低浓度。(2)半致死剂量(LD50)。一定条件下,某药物能引起试验生物群体中半数个体死亡的剂量。(3)最低致死剂量(MLD)。通常指在一定条件下,某药物能引起100%试验生物死亡的剂量;有时也指在一定条件下,某药物能杀死一定体重试验生物的一个个体所需的最低剂量。
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