The paper investigates the changes of the semilethal temperature and membrane protective system of Gardenia jasminoides Ellis leaves as temperature fell.

The Relation Between the Membrane Protective System and Semilethal Temperature of Taxus Media Leaves as Temperature Fell

自然降温过程中曼地亚红豆杉叶片膜保护系统的变化与低温半致死温度的关系

Semilethal Low Temperature and Low Temperature Adaptability of Tow Taxus Media Species

曼地亚红豆杉的半致死温度与对低温的适应性

RESULTS: No lethal effect of 1,8-dihydroxyanthraquinone was observed even at the highest concentration ( 1.0 g/ kg soil) of exposure. The sub-lethal effect, however, was evident at all the concentration scale.

结果：最高剂量的污染土壤（1.0g/kg）对蚯蚓也无致死作用，但在所有剂量范围内，以相对生长速率和蛋白含量为指标的亚致死效应明显。

This review summarized several relevant factors of affecting LAB livability during freeze-drying and storage, including intrinsic factors, growth factors, sub-lethal treatments, drying media, storage and rehydration.

本文综述冻干乳酸菌发酵剂制备中相关因素对冷冻干燥和贮藏期间乳酸菌存活率的影响，包括内在因素、生长因素、非致死性处理、干燥介质、贮藏和复水等方面因素。

Details covered by the evaluation system of different levels, including the acute toxicity of indoor silkworm research, leaves residues of toxic pesticides on silkworm ( acute and sub-lethal effects).

详细介绍了该评价体系所涵盖的不同层次，包括家蚕的室内急性毒性研究、叶面残留农药对家蚕的毒性（急性与亚致死效应）危害影响。

The sub-lethal dose of rhodojaponin-ⅲ against Asiatic corn borer adults was 0. 02; μ g per adult.

以闹羊花素-Ⅲ点滴亚洲玉米螟成虫，确定其亚致死剂量为0.02μg／头；

It was suggested that population dynamics of T.evanescens might not be affected significantly by sub-lethal dose of abamectin.

可以认为阿维菌素亚致死剂量对广赤眼蜂的种群没有重要影响。

Toxic Responses of Zebrafish Embryos to Sub-lethal Concentrations of TCDD Exposure

亚致死性浓度的二恶英在斑马鱼胚胎中所致的毒性反应

Experimental studies of modifying effect of sub-lethal dose of pulsed electric field on multidrug resistance of human ovarian cancer cell line

亚致死量陡脉冲调节人卵巢癌细胞多药耐药的实验研究

The ratio of epr1+ epr2+ epr3+ gneJ+ is highest. A representative strain in five virulence genotypes was chosen to detect proteolytic activity, haemolysis, cell toxicity and median lethal dose of mice.

本试验从每个毒力基因型中选取一株代表菌株，进行了溶血性、溶蛋白活性、细胞毒性及小鼠半数致死量的研究。

There were significant differences in different strains of virulence genes type in hemolytic, proteolytic activity, cell toxicity and median lethal dose of mice.

不同毒力基因型的菌株在溶血性、溶蛋白性、细胞毒性及小鼠半数致死量方面存在明显差异。

The research of serum in malignant tumours patient exertion an influence on LAK cell lethal activity

恶性肿瘤患者血清对LAK细胞杀伤活性影响的研究

Using energy criterion and fragment distribution density criterion, the lethal area of warhead is determined.

推导了在弹体坐标系下战斗部任何一处破片着地的特征参数，利用破片能量和密度准则确定了对地目标杀伤的区域形状和面积。

A method of engineering computation for lethal area of fragmentation ammunition

杀伤弹药杀伤面积的工程计算方法

The results show that different falling angle has a peak value of the lethal area and the maximum of lethal area is reduced with the decrease of falling angle.

结果表明：不同落角都有一个杀伤面积峰值，且最大杀伤面积随落角的减小而减小。

The Calculation on the Lethal Area of Blast-fragmentation Warhead LETHALITY ASSESSMENT STUDY OF REENTRY LARGE-SCALE BLAST-FRAGMENTATION WARHEAD

杀爆战斗部杀伤面积的数值计算再入式大面积杀爆战斗部威力评定方法研究

Conclusion HSV-TK/ GCV in combination with HCPT can enhance the lethal effect of suicide gene therapy against human bladder carcinoma cells and effectively induce apoptosis of the cells.

结论HSV-TK/GCV系统联合HCPT治疗能增强自杀基因系统对人膀胱癌的杀伤作用，能够良好地诱导人膀胱癌细胞的凋亡。

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.

利用流平衡分析对模型实施单基因敲除和双基因敲除，成功预测了模型内的必需基因、非必需基因以及致死基因对，同时模拟了菌种的分批培养。

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