lethal dose是什么意思

网络释义

用法例句

To provide the using information of disinfectors dose in the tobacco float seedling system,the efficacies of 90% lethal dose(EC90) of 10 disinfectors were examined by carrier germicidal test on breeding substrates,including polystyrene foam trays,polyvinyl chloride plastic film and stainless blade which were inoculated with Ralstonia solanacearum.

在聚苯乙烯泡沫苗盘、聚氯乙烯塑料池膜和不锈钢刀片表面,8种消毒剂的90%致死剂量(EC90)差异大,30%有效氯漂白粉为96。

At same time, we also knew the LD100 of konjac is 3KR and LD50 is 1.

同时,初步得到照射花魔芋半致死剂量LD50为1。

Effects of sub-lethal dosages abamectin on food intake and digestive enzyme activities of silkworm Bombyx mori L.;

亚致死剂量阿维菌素对家蚕食物利用及中肠消化酶活性的影响

Toxicity of emamectin to larvae of the diamondback moth, Plutella xylostella, at different temperatures was surveyed, and the effects on survivors of parent generation treated with sub-lethal dosage of the insecticide at 25℃ were studied with life table method.

研究了不同温度下埃玛菌素 (emamectin)对小菜蛾Plutellaxylostella幼虫的毒力 ,并用生命表法研究了 2 5℃下埃玛菌素亚致死剂量 (LC30 )处理小菜蛾 3龄初期幼虫后对其子代的影响。

to 10 antibiotics: gentamicin,neomycin, ampicillin,kanamycin,cephalothin,streptomycin,G418,hygromycin Zeocin and chloramphenicol were investigated.

利用统计学的方法和原理,确定了G418、潮霉素、Zeocin和氯霉素在海水培养基和淡化10倍的培养基中对小球藻的半致死剂量和95%可信限。

Moreover,the higher dose,the higher death rate,and the Half Lethal Dosage(LD50)for the seedlings of 41 days was 150 Gy.

随着剂量的增高,死亡率增高,组培苗生长41d时的半致死剂量(LD50)为150Gy。

The result showed that the stronger was radicalization,the larger was restrained degree;the sensitivity of different varieties were different; the LD50 of adventitious buds was 30-40GY, the LD50 of the calli was 10-20GY.

5-6 5Gy剂量辐射处理红掌6个品种的不定芽和愈伤组织材料,并进行组培试验,结果表明辐射愈强,参试材料受抑制程度愈大;不同红掌品种对辐射的敏感性不同;初步看出60Co对不定芽半致死剂量为30-40Gy,对愈伤组织半致死剂量为10-20Gy。

Effects of sublethal doses of anticholinesterase agents on toxicity of insecticides and their induction to acetylcholinesterase (AChE) activity in Helicoverpa armigera;

抗胆碱酯酶剂亚致死剂量对棉铃虫毒力的影响及对乙酰胆碱酯酶的诱导作用

Induction of acetylcholinesterase (AChE) by sublethal doses of anticholinesterase agents in susceptible strain (SS-H) of cotton bollworm Helicoverpa armigera (HUbner) was investigated in lab.

本文以棉铃虫Helicoverpa armigera (Hübner)敏感品系(SS-H)为对象，系统研究了抗胆碱酯酶剂亚致死剂量对乙酰胆碱酯酶(AChE)的诱导作用，并对棉铃虫AChE进行了部分纯化，初步研究了棉铃虫对杀虫药剂耐性的分子机制。

xylostella were fed with the leaves treated with sublethal dosage of methamidophos as compared with the control.

分别在菜蛾绒茧蜂处于卵期、早期幼虫和中期幼虫时,饲喂小菜蛾2龄幼虫亚致死剂量甲胺磷,研究甲胺磷处理对寄主体内菜蛾绒茧蜂结茧率和羽化率的影响。

In this paper, the effect of sublethal dosage of insecticides on target enzyme activity of German cockroach and the attracting effect of foods and feces crude extracts on German cockroach were researched.

为了有针对性地对德国小蠊进行有效防治,本文对德国小蠊的防治药剂进行了室内筛选,并研究了农药亚致死剂量对德国小蠊靶标酶活性的影响以及食物和德国小蠊粪便粗提物对它的引诱作用,主要结果如下:毒力测定结果表明,溴氰菊酯、氯氰菊酯、辛硫磷和敌敌畏处理后,德国小蠊5龄若虫的耐药性均高于其它龄期和雌雄成虫,溴氰菊酯、氯氰菊酯的KT_(50)分别为14。

The Lethal Dose50 test( LD50) may also be replaced.

药剂致死剂量50(D50)验也可以被代替。

Effects of Sublethal Doses of Insecticides on Predation of Multicolored Asian Ladybird Harmonia axyridis (Pallas) (Cole- optera: Coccinelliodae)

亚致死剂量杀虫剂对异色瓢虫捕食作用的影响

Effects of Larval Treatment with Low Lethal Insecticides on Chemical Communication Systems of Lepidopteran Moths;

低致死剂量杀虫剂处理幼虫后对成蛾化学通讯系统的影响

Effect of Sublethal Insecticide on Natural Enemies and Acetylcholinesterase Assay;

亚致死剂量杀虫剂对天敌的选择作用及ACHE的分析

Effects of Sublethal Dose of Spirodiclofen on the Population Parameters of Tetranychus cinnabarinus Boisduval

杀虫剂螨危的亚致死剂量对朱砂叶螨种群参数的影响

Effects of Acaricides at Sublethal Dose on Formation and Completion of Hypopi of Rhizoglyphus echinopus

亚致死剂量杀螨剂对刺足根螨休眠体形成与解除的影响

Life table parameters of imidacloprid resistant and susceptible populations of Nilaparvata lugens Stl(Homoptera:Delphacidae) under sublethal doses of insecticides

不同药剂亚致死剂量对褐飞虱不同种群生命表参数的影响

Effects of Different Insecticides Treated by Sub-lethal Doses on Growth and Development of Bemisia tabaci

不同杀虫剂亚致死剂量处理对烟粉虱生长发育的影响

Effect of sublethal doses of deltamethrin and phoxim on enzyme activity of Blattella germanica

溴氰菊酯和辛硫磷亚致死剂量对德国小蠊酶活性的影响

Sensitivity of Floribunda Roses to 60Co-γradiation and their medial lethal doses in radiation breeding

丰花月季组培苗对~(60)Co-γ射线辐射敏感性及半致死剂量的研究

A Study of Median Lethal Dose(LD_(50)) of Doxorubicin on Mice with Intraperitoneal Injection(i.p.)

阿霉素对昆明种小白鼠腹腔给药的半致死剂量研究

Effect of Sublethal Doses of Deltamethrin and Phoxim on Enzyme Activity of Beet Armyworm

溴氰菊酯和辛硫磷亚致死剂量对甜菜夜蛾酶活性的影响

Lufenurons' Sublethal Effect on the Growth,Development and Fecundity of Helicoverpa armigera

虱螨脲亚致死剂量对棉铃虫生长发育和繁殖力的影响

Sensitivity of Jatropha curcas seeds to ~(60)Co-γ radiation and their medial lethal doses in radiation breeding

小油桐种子的~(60)Co-γ射线辐射敏感性及半致死剂量的研究

DOSE RANGE OF BRAIN DEATH AND BEHAVIORAL CHANGES FOLLOWING SUPRALETHAL DOSE γ-IRRADIATION IN RATS

大鼠受γ线超致死剂量照射后脑型放射病的剂量范围和行为的改变

Insecticides-induced Life Table Parameters of Nilaparvata Lugens Populations and Effects of Low Temperatures on Development and Fecundity of N.lugens

杀虫剂亚致死剂量诱导的褐飞虱种群生命表参数及低温对生长发育、生殖的影响

He had no knowledge of what a fatal dose might be.

他不知道致死的剂量是多少。

Effects of large dose steroid treatment during short-term on femoral head of chicken

短期应用大剂量激素导致鸡股骨头坏死