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LT50的意思
1、【医】【=median lethal temperature】半数致死温度
LT50的双语例句
1、The most virulent strain was screened out after evaluated by the indices of mortality, infection rate and the median lethal time ( LT50).
以桃蚜的校正死亡率、感染率及致死中时（LT（50））为指标综合评价不同菌株毒力。
2、The median lethal time ( LT50) of the GV was shortened with the increase of the virus concentration and the decrease of the larval instar, during which the GV was fed.
幼虫饲毒后，致死中时（LT（50））随病毒浓度提高而缩短；随饲毒时虫龄的增大而延长。
3、DEHP, DBP and DOP can shorten 50% Lethal Time ( LT50) of drosophila, apparently making its average longevity and average maximum longevity shorter;
DEHP、DBP和DOP可使果蝇半数死亡时间提前，并明显缩短果蝇的平均寿命和平均最高寿命（P<0.01）；
4、The LT50 decreased to 4.3 days at the dose of 134.9 conidia per mm2 from 5.1 dasy at 57.7 conidia per mm2. The results indicate that the millet cultures of Z.
在57.7～134.9个孢子/mm~2的接种剂量范围内，致死中时LT（50）从5.1天下降到4.3天。
5、The tolerance of zooplankton is stronger than that of phytoplankton, which is different among species. Temperature elevation in receiving sea area generally has no impact on the survival of zooplankton because of the large span between semi-lethal temperature ( LT50) and natural living temperature.
浮游动物的耐热性强于浮游植物，并存在种间差异，由于半致死温度（LT50）与自然适应水温的跨度较大，温排水造成的海域温升基本不影响受纳海域的浮游动物存活。
6、Cracking Resistance test and Welding performance Test on LT50 Steel
LT50钢的抗裂性试验和焊接性能试验
7、Imported from Japan, the LT50 steel is an ideal steel for spherical ethylene tanks.
LT50钢是从日本引进的一种理想的乙烯球罐用钢。
8、The results shows: medium lethal temperature ( LT50) was increased by 6 ℃ or so after applying potash fertilizer;
结果表明，施肥后临界半致死温度最高可以提高6℃左右。
9、Improvement of Bottom Boundary condition Expressions in 3D PE on the principle of energy conservation; Low Temperature LT50 of Three Eucalyptus Seedlings with Electrical Conductivity method and Logistic Equation
三维抛物方程方法中海底边界条件改进处理的能量守恒方法应用Logistic方程确定三种桉树的低温半致死温度
10、The electrical leakage conductivity of leaves could indicate the cold resistance in leafing date more exactly and simply measured at the temperature near LT50 of most walnut germplasms.
在接近大部分核桃种质LT50的温度下测定相对电导率可以较准确的反映不同种质叶片的抗寒性。
11、And under the treatment of 5.0 X 107 conidia/ ml and 1.0 X 107 conidia/ ml, LT50 is 7.3? 1. Od and 8.5+ 1. Od.
在5.0×10~7conidia／ml和1.0×10~7conidia／ml处理下的致死中时间（LT（50））分别为7.3±1.Od和8.5±1.Od。
12、The LT50 value for the virus ( 106 CPB/ ml) to the third and the fifth instar larvae were 9.6 and 10.5 days respectively. In another word, the LT50 value increased with the increased instar.
1×10°CPB/ml的多角体悬液对3龄、5龄幼虫的LT（50）分别为9.6天和10.5天，即LT（50）随龄期的加大而延长；
13、This paper reported the determined result of toxic effects of CUZ against Blattella germanica in laboratory. It indicates that the LT50 was 6. 8 days. Whose 95% confidence limits was 6. 36-7. 24 days.
本文报道了赛优杀（CUZ）对德国小蠊的毒效测定结果，其LT（50）为6.8天，95%可信限为6.36～7.24天；
14、LT50 of the cockroach bait with this compound ranged between 1. 6-2. 3 days for Periplaneta americana and 1. 5-1. 8 days for Blattella germanica.
结果：合成了N-正丁基全氟辛烷磺酰胺，配制成毒饵，对美洲大蠊的LT50为1.6～2.3天，对德国小蠊为1.5～1.8天，7天死亡率达100%。
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