致死的例句大全

The median lethal time ( LT_ ( 50)) of P_ ( f) NPV to the larvae was shortened with the increase of the viral concentration.

各测试浓度下致死中时间（LT（50）为3.43-5.14天，随病毒浓度提高而缩短。

Conclusion Nano-hydroxyapatite has no accumulative toxicity to rabbits, it is suggested that it is safe when the hydroxyapatite-sol was applied intravenously as a drug carrier in small dosage more less than the medium lethal dose, even as a kind of anticancer drug.

结论纳米HAP在家兔无明显蓄积毒性，提示当用量远远小于最小致死剂量时，纳米HAP可作为药物载体，甚至在将来可能作为一种新型的抗癌药物，经静脉安全应用。

The oral acute toxicity test showed LD50 ( medium lethal dose)> 5.5 g/ Kg. Such result demonstrates that the synthesized product is nontoxic according to the classification of acute toxicity standard.

通过对合成的产物进行急性经口毒性试验，发现其经口半数致死量（LD50，medium lethal dose）大于5.5g/Kg，按照急性毒性分级标准确定该依布硒林衍生物属实际无毒级。

The ultra-structural changes of Monopterus albus liver cells were observed with transmission electron microscopy after sublethal exposure to Cu2+ and nonionic surfactant AE ( linear alkylethoxylate).

利用透射电镜研究了亚致死浓度的Cu2+或表面活性剂AE（脂肪醇聚氧乙烯醚）对黄鳝肝细胞结构的损伤作用。

The results showed that the minimal lethal dose of Norfloxacin to embryos is 320mg/ kg embryo weight, and the lethal dose 50% ( LD60) for 3-day-old chicks 4 985+ 753.18 tag/ kg body weight.

结果表明，氟哌酸对鸡胚的最小致死剂量为320mg/kg胚重；对3日龄雏鸡的LD（50）为4985±753.18mg/kg体重。

Methods: To carry out external bacteriostasis experiment first by the method of drilling hole, then To definite minimal lethal dose by preliminary test, finally to do internal bacteriostasis experiment with mice.

方法：先采用打孔法进行体外抑菌试验，然后通过预试验找到最小致死浓度，最后用小白鼠进行体内抑菌试验。

Protection mechanism of mice transferred by AAV 2-BPI_ ( 700)-Fc γ 1_ ( 700) recombinant virus to minimal lethal dose E.coli infection

AAV2-BPI（700）-Fcγ1（700）重组病毒导入小鼠对致死量大肠埃希菌感染的保护作用机制

Objective To observe the resistance of mice that were transfected with BPI_700-Fc γ 1_700 chimera gene to minimal lethal dose ( MLD) of E.

目的通过观测BPI700-Fcγ1700嵌合基因导入小鼠对最小致死量E。

The absolute lethal dose for cats after intraperitoneal injection is 300mg/ kg.

猫腹胜注射的绝对致死量为300mg/kg。

Determination of median lethal concentration of seven kinds of medicines against Boophilus microplus

七种药物对微小牛蜱的半数致死浓度测定

The upper lethal temperature of the spat was 40 ℃.

稚贝对低温（5℃至2℃）有很强的忍耐性，致死温度上限是40℃。

It is summarized that the seedling's tolerance of half lethal salt concentration, the seed vigour index, and the seed nitrogen content could be regarded as the physiological index for assessing the level of the seed salt tolerance and whether it be selected for breeding.

初步认为种子耐盐半致死浓度、种子活力指数和含氮量可以作为种子耐盐性评价和选育的生理指标。

The half lethal concentration of 48? h-LC_ ( 50) of 21 nitrobenzenes to Daphnia carinata was determined by use of the standard test method, and the range of toxicity was from 3.49 for nitrobenzene to 5.40 for 1,4-dinitrobenzene.

采用标准实验方法测定了21种硝基苯类化合物对隆线蚤（Daphnia carinata）的48h半致死浓度值，结果lg（1/LC50）的范围在349～540之间；

The phenols content is high and the median lethal temperature is low, then cold resistance is strong in the green up period, fist period of exuberance and withering period.

在高寒植物的返青期、草盛前期和枯黄期，酚类物质含量高，半致死温度低，抗寒性强；

The cold resistance of the 6 spices alpine plants varies with air temperature. The change curve of the median lethal temperature is a single peak.

在整个生育期内，6种高寒植物的抗寒性具有随环境温度变化而改变的特性，它们的半致死温度的呈单峰变化趋势。

In this paper it is reported that the recovery from 6-12 Gy X-ray irradiation-induced potentially lethal damage ( PLD) in plateau-phase V_ ( 79) cells, following incubation for 2-6h postirradiation was observed.

本文报道了612Gy X线照射引起坪台期V（79）细胞潜在致死损伤（PLD），经保温26h后可以得到修复。细胞存活率比可提高到1.52.0。

Through clonal survival, there was radiotherapy enhancement for Glu-GNPs on lung adenocarcinoma cell line A549, and the mechanism may are restrain of repair of sublethal damage, blocking cells at G2/ M and inducing apoptosis.

克隆形成实验表明纳米金对人肺腺癌细胞株A549具有放射增敏作用，初步探讨其机制可能为抑制细胞亚致死损伤的修复阻滞细胞于G2/M期，并诱导细胞凋亡。

The kinetics of repair of sublethal damage was studied on cervical spinal cord in rats after fractionated irradiation.

本文研究了大鼠颈部脊髓分割照射后的亚致死性损伤修复过程。

The grades were designed by equal space between logarithm, and the median lethal concentration was computed by Linear Regression.

浓度梯度按等对数间距设置，半致死浓度采用直线内插法进行计算。

The median lethal concentration data is reliable for future biological observation.

为今后的生物监测提供可靠的半致死浓度的数据。