With flux balance analysis, batch culture of Y. lipolytica was simulated. Single gene knockouts and double gene knockouts were also simulated to predict the essential genes, non-essential genes and lethal gene pairs.

This work was designed to control plant fertility by cell lethal gene Barnase expressing at specific developmental stage and in specific tissue of male apparatus under the control of Cre/ loxP system.

本实验是以Cre Loxp系统调控细胞毒素基因barnase在植物雄性器官发育的特异时期在特异组织表达，从而达到控制植物育性的目的。

Genetic Analysis of Normal Temprature Lethal Gene ( ntl) in the Silkworm Bombyx mori

家蚕温度敏感型致死基因ntl的遗传分析

Expression of lethal gene mRNA on placenta villi in patients with spontaneous abortion

自然流产患者绒毛组织中致死基因mRNA的表达

Study on expression of apoptosis and lethal gene during acute rejection in limb allograft

肢体移植排斥反应中细胞凋亡及致死基因表达

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）；

However, the effect of Berberine to prolong lethal time induced by Ouabain is less effective than Sodium Phenytoin, Quinidine and Propranolol.

但黄连素延长哇巴因对豚鼠的致死时间作用不及苯英钠、奎尼丁及心得安等药物。

Fifty Percent Lethal Time of Anoxia and Protective Effect of Anoxia Preconditioning in Three Strains of Drosophila melanogaster

三品系果蝇的低氧半数致死时间和低氧预适应的保护作用

Study on Heat Lethal Time of Different Cultivars of Cucumber under High Temperature Stress

在高温逆境条件下黄瓜热致死时间与耐热相关性的研究

Characterization of expression of CD95 of splenic lymphocytes in sublethally γ irradiated mice

亚致死剂量γ射线照射后小鼠脾脏CD95阳性淋巴细胞变化规律的研究

Characterization of Programmed Cell Death of Bone Marrow Cells in Sublethally~ 60Co γ Irradiated Mice

亚致死量~（60）Coγ射线照射后小鼠骨髓造血细胞程序性死亡特性研究

Conclusion: The treatment principle of chemical combined injuries on the sea is to apply anti toxic treatment for lethal agent poisoning first and to handle firearm injuries in time.

结论：海上化学复合伤处理应改变传统的中毒复合伤救治优先处置危及生命的火器伤情的原则，而应首先进行致死性毒剂中毒的急救，同时尽快处理火器伤情。

They were close to weaponizing ricin — a lethal plant toxin.

他们快把蓖麻毒素——一种致命的植物毒素——研发为武器了。

Down the road are insect-sized drones that could be mistaken for a housefly or spider, which could slip in under a door-sill to record conversations, take photos or even inject a lethal toxin into an unsuspecting victim.

今后还会出现昆虫大小的无人机，很容易被误认为是家里的苍蝇或者蜘蛛。这种微型无人机可以溜进门槛，记录下对话内容，拍下照片，甚至向毫无防备的受害者注射毒素。

The explosion wave which blow up underwater has a proper lethal action on marine organisms, but the lethal sphere is not big and there is bigger harm on their larva, egg and plankton.

水中爆破所产生的声压波对海洋生物有一定的致死作用，但致死范围不大，而对水产资源的幼体和浮游生物伤害较大。

CONCLUSIONS BC 369 had a direct lethal action on leukemic cells, with a mean lethality rate of 51 26% ( P < 0 01).

BC369对白血病细胞具有直接杀伤作用，其平均杀伤率为51.26%（P＜0.01）。

Effect of Limulus Lysate Against Lethal Action of Endotoxins

鲎试剂的抗内毒素致死作用

PURPOSE To study the inhibitory or lethal action of BC 369 on leukemia ancestral blood forming cells.

目的研究BC369直接抑制或杀伤白血病造血祖细胞的作用。

Moreover the lethal action to microorganisms was irreversible.

瞬时高压作用对微生物产生的致死作用是不可逆的。

Lethal action of fatty compounds on insects and experiment in controlling pests in Cabbage Field

脂肪酸类化合物对昆虫致死作用和菜虫田间防治试验

to get out of the way before a lethal amount of radiation comes straight down from the mushroom cloud that goes up.

在升起的蘑菇云所带来的致命的强辐射到来之前逃离那个区域