致死剂量

但是DNA疫苗诱导机体产生的抗体水平低，还不能完全有效抵抗致死剂量病原体的攻击。

However , DNA vaccines induce animals to produce low antibody levels which partially protect animals from a lethal dose pathogen challenge .

致死剂量的γ线照射后小鼠胸腺淋巴细胞的凋亡规律及与bax、bcl-2和Bcl-XL表达的关系

Relationship between apoptosis of mouse thymic lymphocytes and expressions of bax , bcl-2 and bcl-X_L after (γ - ray ) radiation with lethal dose

在致死剂量染毒组中，D组的死亡、肢体瘫痪、惊厥发生率均明显高于E组。

The mortality , quadriplegia and convulsion in group D were obviously higher than in group E.

目的观察重组人白介素11（RecombinantHumanInterleukin11，rhIL11）对亚致死剂量γ射线照射所致急性放射病猕猴血细胞减少的治疗作用。

Objective To study the therapeutic effect of recombinant human interleukin-11 ( rhIL-11 ) on acute radiation sickness in monkeys .

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；

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

目的探索高能X射线使小白鼠脑组织产生坏死和凋亡的致死剂量和照射方式。

Objective To explore deadly dose and radiation way of X - ray radiation causing necrosis or apoptosis of small rats brain tissue .

200mg/kg、400mg/kg均能显著增强亚致死剂量NA的毒性，导致动物死亡率升高。

Both dosage of 200mg / kg 、 400mg / kg can obviously enhance the toxicity of sub-lethiferous dosage NA , thus induce a higher mortality .

蜈蚣粗毒对5龄3日家蚕的半数致死剂量（LD50）为3.4μg／头。

The LD50 of the venom on the larvae at 3rd day of 5th instar by injection , is 3.4 ug / per larvae .

研究了10株钝顶螺旋藻对60Coγ射线的辐射抗性及其与多糖含量的关系，表明各株系的半致死剂量（LD50）与多糖含量间的相关系数高达09873。

The relationship between anti radiation capacity and polysaccharide contents of ten Spirulina platensis strains were studied .

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 expression of CD95 of splenic lymphocytes in sublethally γ irradiated mice

结果：小鼠急性毒性实验的半数致死剂量（LD50）保健香烟组比原香烟对照组增加了4~5倍；

RESULTS : The LD50 of mice in the acute toxicity test was four to five times more than the control group .

致死剂量γ射线照射小鼠脾淋巴细胞凋亡特征及与Bax和Bcl-XL表达的关系

Apoptotic characteristics of spleen lymphocytes in mice irradiated by lethal dose and its relationship to the expression of Bax and Bcl-X_L proteins

将正常雄鼠骨髓细胞输注给经致死剂量射线照射的受体雌性小鼠，PCR技术检测结果表明，在活存小鼠的骨髓、脾脏、胸腺和淋巴结中均具有供体起源的细胞。

Bone marrow cells from male mice were injected into the lethally irradiated female mice , PCR results indicated that certain cells from bone marrow , spleen , thymus , and lymph node in recipient mice were originated from donor .

接受致死剂量全身照射的BALB/c小鼠静脉注射SD大鼠骨髓细胞4×107和脾细胞4×107/只。

The total body irradiated BALB / c mice were injected intravenously with 4 × 107 SD rat bone marrow cells plus 4 × 107 splenic cells to establish a xenogeneic bone marrow transplant GVHD model .

以重组表达的ASP-1蛋白作为佐剂，低剂量的HA重组疫苗可以诱导高滴度的抗原特异性抗体，并可使免疫小鼠在致死剂量H5N1病毒攻击时获得完全免疫保护。

Low dose of recombinant HA vaccine adjuvanted with ASP-1 can induce high titers of antigen-specific antibody and provide vaccinated mice full protection against lethal virus challenge .

C5b-9（（n））是CNS炎症过程中一种多效免疫因子，在补体大量活化后，可插入细胞膜导致细胞溶解死亡，而近年来新的研究发现，非致死剂量的MAC可沉积于中

C5b-9_ (( n )) , as an multieffect immune factor , can insert into cell membrane making cell lysis . Recently , the new researches demonstrates that non-lethal dose MAC can deposit on many

TTX人体致死剂量约为0.5mg/70kg。缺乏简单有效的检测方法。

Human lethal dose of TTX is about 0.5mg / 70kg , but we lack simple and effective detection methods for TTX so far .

结果表明，吡虫啉亚致死剂量对桃蚜室内种群F0代成蚜的胁迫效应主要表现为降低繁殖力与缩短成蚜寿命；

The results showed the impact of sublethal doses of imidacloprid on adult aphid of F0 generation mostly shortened longevity and depressed the total fecundity ;

根据种子萌发和生长情况，35.84W/cm2×8s处理已达到致死剂量。

However , the dose of 35.84 W / cm 2 × 8 s leads to lethal dose according to the seeds sprouting and growing .

1993年褐家鼠平均致死剂量为19.54mg／kg.致死无数为5.35天，存活鼠1只，存活剂量为27.8mg／kg，抗性发生率为4.17%。

The anticoagulant resistance rate is zero However in 1993 the average lethal dosage changed to 19.54mg / kg , the average death happens after 5.35 days with one survival .

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。

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 .

生测结果表明，2个Bt菌株对棉铃虫具有很高的毒效，48h的校正死亡率高达96%～98%，LD50（半致死剂量）范围约为6.0～7.0μg晶体蛋白。

Bioassay results showed that the two Bt strains possessed very high toxicity to Heliothis armigera . The corrected mortality reached 96 % ~ 98 % within 48 hours . The LD50 was about 6.0 ~ 7.0 μ g crystal protein .

致死剂量的conA注射导致野生型小鼠全部死于爆发性肝炎；而CD49a缺陷小鼠大部分存活，CD49a缺陷显著改善了生存率。

After lethal dose of Con A treatment , all wild-type mice died while most of CD49a deficient mice survived , indicating CD49a improved the rate of survival significantly .

方法：本研究分别采用体外中和实验和体内被动保护实验以检测单克隆抗体5B46的体外中和HSV的能力和体内被动保护BALB/C小鼠于足垫接受HSV致死剂量攻击的保护能力。

Methods : The neutralization activity to HSV in vitro and the protective activity against the lethal challenge of HSV of monoclonal antibody 5B 4 6 in BALB / C mice were detected by neutralization test and passive transfer test respectively .

结果表明茶多糖的半数致死剂量为4.19g/kg，能抑制小鼠口服淀粉和葡萄糖后1.5h内血糖的升高，能抑制四氧嘧啶糖尿病小鼠血糖的升高，能改善小鼠的糖耐量，具有降血糖功能。

Results showed that the LD50 of tea polysaccharides was 4.19g / kg , tea polysaccharides could restrain the raising of bloodsugar in normal mice and alloxan induced diabetes mellitus mice .

两个种群酶活性的差异与马拉硫磷半致死剂量（LD50）的差异很相近，这提示酯酶活性的提高在东亚飞蝗对马拉硫磷的抗性中起一定的作用。

The difference of LD_ ( 50 ) value for malathion between the two populations was consistent with the difference of esterase activities , suggesting that general esterases contributed to the malathion resistance of the two populations .

方法胆碱酯酶抑制剂氧化乐果在30mg·kg-1po中毒剂量（1.2个致死剂量，1.2LD）下，可诱发全部的受试昆明种小鼠死亡。

Methods After administered with cholinesterase inhibitor omethoate at the toxic dose of 30mg · kg - 1 po ( 1.2LD ), all the mice were dead .

用近似致死剂量法（ALD）观察得力康注射液对6条Beagle犬的急性毒性，观察其一般情况、心电图、血液学、血液生化、尿液检查。

The acute toxicity of DI was studied in 6 Beagle dogs with approximate lethal dose method ( ALD ) . General status , ECG and parameters of hematology , blood biochemistry and urine were measured to evaluate the toxicity .

90%致死剂量为13.92J·m-2，该剂量适于作为诱变剂量。

Salina completely . The 90 % lethal dose was 13.92J · m-2 , and the dose was suitable for the isolation of mutant of D. salina .

结果毒死蜱和奋斗呐复配后半数致死剂量（LD50）和半数击倒时间（KT50）均接近或小于两药单独使用。

Results The half lethal dose ( LD50 ) and the half knock-down time ( KT50 ) of compound of Chlorpyrifos and Fendona were close to or less than on using separately .