half lethal dose

Radish is relatively insensitive to radiation,' and the half lethal dose of 60Co γ ray was 1500-2000 gray.

萝卜有很强的抗辐射能力，半致死剂量在1500&2000gray之间；

Through experiments have found that: when the concentration of heavy metals in the soil is 0.5 percentages, it fits the half lethal dose.

通过实验发现：当土壤中重金属的含量为0.5%时，最符合蚯蚓的半数致死量。

And half lethal dose was several hundred folds than the clinical dose.

半数致死量是推荐临床剂量的几百倍。

Improvement and programming of the weighted probit method of the half lethal dose

LD（50）的加权概率单位法的改进和程序化

Establishing fat embolism rat model and determination of half lethal dose

大鼠脂肪栓塞模型的建立及半数致死量的测定

Objective To measure the half lethal dose ( LD_ ( 50)) of paraquat in mice.

目的测定百草枯对小鼠的半数致死量（half lethal dose，LD50）。

Combining with the toxicology experiment of snails ( a kind of zoobenthos) and applying the average lethal dose method and graphic method, the paper calculates the half lethal dose of mercury to snails.

结合底栖动物螺蛳的毒理学实验，采用平均致死量法与图解法，计算获得螺蛳对重金属Hg的半数致死剂量。

To Measure the Half Lethal Dose of Paraquat in Mice

百草枯半数致死量测定