Comparative study of Kunming and BALB/ c strain mice for dominant lethal test

Results: Dominant lethal test was positive.

结果：显性致死试验阳性；

Test on Bacteriostatic Lethal Concentration and Time of Bio active Compound Produced by Streptomyces 702

链霉菌702生物活性物质抑菌的致死浓度和致死时间的测定

The lethal concentration is inversely proportional to pH and water hardness.

半致死浓度Lc50与pH和水的硬度成反比。

Pretreatment of low temperature could induce resistance to lethal concentration of H2O2.

低温预处理可以诱导对致死浓度H2O2的抗性。

A SAS program to calculate median lethal dosage ( LD_ ( 50)) of pesticides, named LD50-SAS, was developed based on the algorithms established by Bliss.

基于Bliss概率单位法，编写了用于计算半数致死量（LD50）的SAS程序（LD50-SAS）。

No significant effect on mice was observed in dominant lethal assay.

吡啶酸铬对小鼠的显性致死试验结果为阴性；

With 1,5 and 7 krad of irradiation, a mutant of P.interpunctella with transparent wings was induced, which provides a marking feature in control of Indian meal moth by sex chain recessive lethal gene.

5、7krad辐照的，诱导出了成虫翅透明的突变品系（透明型）。该突变品系对研究印度谷螟的部分遗传学及遗传防治有重要意义。

Objective: To investigate the effect of the sublethal X irradiation ( XI) on antioxidation in adriamycin induced nephropathy ( AIN) of Wistar rats.

目的：研究次致死量X线照射对阿霉素肾病（AIN）大鼠抗氧化功能的影响。

91-mixture accelerates recovery of immune function following sublethal irradiation

91合剂加速放射损伤小鼠免疫功能的恢复

Objective To construct an attenuated Salmonella typhimurium vaccine strain expressing the gene EspA of EHEC O157: H7 with balanced lethal system.

目的利用平衡致死系统构建表达O157：H7EspA的减毒鼠伤寒沙门氏菌。

Utilization of λ-Red Recombination System and Balanced Lethal System to Reconstruct the Plasmid with Antibiotic Resistant Gene Using in Live Vaccine

利用λ-Red重组系统和平衡致死系统改造抗药性致腹泻工程疫苗

This will be of benefit to constructing the balanced lethal system of Shigella.

这为以asd基因作为靶基因构建痢疾菌的载体宿主平衡致死系统创造了条件。

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.

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 Dq value of the cell survival curve was 2.152 for 973 and 0.626 for CNE-1 cell line detected by the colony assay, which indicates that the sublethal damage repair in 973 cells being much faster than in CNE-1 cells.

细胞存活曲线显示，973细胞的Dq值为2.152，CNE1细胞的Dq值为0.626，提示973细胞的亚致死损伤修复能力大于CNE1细胞。

Relationship of sublethal damage repair modify factor and half repair time and fraction interval

修正因子与半修复时间及照射间隔时间关系

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

Protective effects of head shielding on incapacitation after supralethal γ-irradiation in rats

头部屏蔽对大鼠超致死剂量γ线照射后失能的防护作用

The experiment suggests that there are regular changes in microcirculation of intestinal villi after supralethal whole-body irradiation.

本实验证明，超致死剂量全身照射后小肠绒毛微循环有明显的规律性变化。

The abnormal shape of ceils is probably resulted from the pathologic and compensative reaction of the injuried intestinal stem cells which resume their vital activity within a short period after supralethal irradiation.

畸形细胞的出现可能是致伤而未致死的小肠上皮干细胞在短暂时间内继续其生命活动的一种病理性代偿反应。

The misshaped cells occured in small intestinal epithelia after supralethal irradiation

超致死量照射后出现的小肠上皮畸形细胞及其意义