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).

CONCLUSION: With the increase of HIFU irritation time, the survival rate of tumor cells presents the linear decrease tendency. And 1 000 W/ cm2 × 30 seconds is the minimum dose of bringing cells into complete dead and breaking them into debris.

结论：当高强度聚焦超声声强固定为1000W/cm2时，细胞存活率随高强度聚焦超声辐照时间延长呈直线下降，1000W/cm2×30s是能灭活肿瘤细胞且使之完全破碎的剂量。

Conclusion: The minimum dose of active DNA to induce SLE-like syndrome was 10^ tg, and it predominantly evoked the humoral response.

结论：10腭活性DNA即可诱导小鼠SLE样综合征，主要诱导自身体液免疫应答。

The elaboratively-designed treatment plan is capable of having the tumor receive higher dose level while the normal tissues and organs receive minimum dose level.

结果表明，精心设计的治疗计划能使肿瘤区域接受到高的治疗剂量，而周围正常组织和器官接受的剂量最少。

It was the better way to use the mid dose CF combined with the minimum dose 5 Fu in the treatment of advanced colonic cancer.

中剂量醛氢叶酸与小剂量氟脲嘧啶是治疗晚期肠癌的较好组合。

The minimum dose of N. gonorrhoeae which can be detected by ELISA was 1 × 10 4 bacteria per ml.

淋球菌的最小检测量为1×104个／ml。

Minimum dose of protection of recombinant pseudorabies virus ( rPRV-GP5) against pseudorabies in sheep

重组伪狂犬病毒（rPRV-GP5）对伪狂犬病最小免疫剂量的测定

Objective To probe the minimum dose for trial diagnostic radiation of suspected intracranial germinoma.

目的探讨拟诊颅内生殖细胞瘤试验性放疗的最低剂量。

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。

Clostridium welchii isolated from intestine contents of normal and sudden death black goats is preliminarily studied by cultural performance and biochemical reaction, determination of hemolytic activity, minimum lethal dose and neutralization test of toxins.

通过分离纯化、培养特性和生化反应的观察、毒素溶血活性和最小致死量的测定及中和试验对正常和猝死黑山羊肠内容物中的魏氏梭菌进行了初步研究。

Metho ds: Mice acute toxicity test ( median lethal dose, minimum lethal dose, maximum tolerance dose);

方法：小鼠急性毒性实验（半数致死量、最小致死量、最大耐受量）；

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。

The results of dominant lethal test showed no statistical difference in the number of living, dead and resorbed fetuses between the exposed and the negative control groups.

显性致死实验结果表明各剂量组的受孕率、死胎和吸收胎数经统计学处理与阴性对照组无差异。

Methods The dominant lethal test and the sperm abnormalities test were used to study the reproductive and developmental toxicities of MeHg on male mice.

方法：采用显性致死试验和精子畸变试验的方法研究不同剂量甲基汞对小鼠生殖发育的影响。

Dominant lethal test with pyronaridine on male mice

咯萘啶对雄性小鼠的显性致死试验

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

昆明系和Balb/C系小鼠用于显性致死试验的比较研究

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