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单词 LC50
释义

LC50

英语例句库

Methods To summate experience of difficult LC for the operation s analyzation of 290 cases.

方法对290例手术分析,总结对困难LC的处理经验。

We quantizied the mesoscopic LC circuit, based on the infirmness coupling characteristic of a mesoscopic capacitor .

基于介观电容存在弱耦合特性,对介观LC电路的量子效应进行了研究。

42 cases experienced LC, 3 cases experienced open choledocholithotomy (OC), 2 cases experienced OC and choledocholithotomy of T tube drainage.

结果42例成功LC,3例中转开腹胆囊切除术,2例开腹胆囊切除术加T管引流。

The equipped LC digital display reduces the power consumption of the illuminometer for long time testing in field.The battery can be exchanged easily.

配有的液晶数码显示可使仪器功耗降低,便于较长时间的野外测试,其使用的电池也易于更换。

It receives dopaminergic innervations from ventral tegment area and SNc, and noradrenergic and serotonergic innervations from the locus ceruleus (LC) and dorsal raphe nucleus (DRN), respectively.

腹内侧前额叶皮层主要接受来自腹侧被盖区(ventral tegmental area,VTA)和SNc的DA能神经纤维投射,以及来自蓝斑的去甲肾上腺素(noradrenaline,NA)能和中缝背核的5-HT能神经纤维投射。

Abstract: Objective To investigate the changes in the firing activity of noradrenergic neurons in the locus coeruleus (LC) in a rat model of Parkinson disease (PD).

目的 观察帕金森病模型大鼠蓝斑核肾上腺素能神经元电活动的改变。

原声例句
TED演讲(音频版) 2017年11月合集

Mrs. Chase, thank you so much -- LC: Thank you.

蔡斯太太, 非常感谢你— —LC: 谢谢。

TED演讲(音频版) 2017年11月合集

And they brought the change. LC: And they brought the change.

PM:他们带来了改变。 LC:他们带来了变化。

中文百科

半数致死量 Median lethal dose

(重定向自LC50)

半数致死量英语:Median Lethal Dose),简称LD50(即Lethal Dose, 50%),在毒理学中是描述有毒物质或辐射的毒性的常用指标。按照医学主题词表(MeSH)的定义,LD50是指“能杀死一半试验总体之有害物质、有毒物质或游离辐射的剂量”。这测试最先由J.W. Trevan于1927年发明。

英语百科

Median lethal dose 半数致死量

(重定向自LC50)

In toxicology, the median lethal dose, LD50 (abbreviation for "lethal dose, 50%"), LC50 (lethal concentration, 50%) or LCt50 is a measure of the lethal dose of a toxin, radiation, or pathogen. The value of LD50 for a substance is the dose required to kill half the members of a tested population after a specified test duration. LD50 figures are frequently used as a general indicator of a substance's acute toxicity. A lower LD50 is indicative of increased toxicity.

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更新时间:2025/6/23 15:01:59