All mice were challenged with highly virulent tachyzoites to observe the survival time.
用弓形虫速殖子腹腔攻击感染小鼠，观察小鼠的生存时间。
Objective To observe the survival time, pathological change and liver regeneration in different kinds of reduced size liver transplantation in steatotic rats.
目的探讨大鼠脂变供肝用于减体肝移植的适宜植肝量及病理类型。
The model of mice with acute myocardial ischemia was made by subcutaneous injection of Iso in order to observe the survival time in normobaric hypoxia of mice in each group.
②对异丙肾上腺素所致急性心肌缺血小鼠缺氧存活时间的影响：采用异丙肾上腺素皮下注射制备小鼠急性心肌缺血模型，观察各组小鼠常压耐缺氧存活时间。
AIM: to transplant a tissue engineered nerve substitute was into the sciatic nerve injury gap of rats so as to observe the survival time and nerve function index of the transplant.
目的：利用组织工程方法制备的神经组织替代物桥接大鼠坐骨神经缺损，观察移植体的存活时间和神经功能指数。
AIM: To observe the effect of grape seed proanthocyanidins on the mice with chemical hypoxia by measuring the survival time of mice.
目的：通过测定化学性缺氧小鼠的存活时间，观察葡萄籽原花青素对化学性缺氧小鼠的影响。
Other rats were killed when acute rejection happened, to observe the functional survival time of the grafted pancreas.
余鼠待出现急性排斥反应时处死，观察各组移植胰腺有功能存活时间。
At the same time, fixed amounts of Salmonella bacilli were added into various headwaters water to observe the period of survival of the bacilli.
同时取定量沙门氏菌加入各种水源水，了解其在水中存活时间。
Polyrhachis dives was cultivated at different temperature for a long time in order to observe its activity and survival rate. The SOD, POD and CAT activities were determined at different temperature.
在不同温度下长期养殖双齿多刺蚁，观察其存活率和活动状况，测定了不同温度对其SOD,POD,CAT活力的影响，并进行了保护酶活性和存活率的相关分析。
Polyrhachis dives was cultivated at different temperature for a long time in order to observe its activity and survival rate. The SOD, POD and CAT activities were determined at different temperature.
在不同温度下长期养殖双齿多刺蚁，观察其存活率和活动状况，测定了不同温度对其SOD,POD,CAT活力的影响，并进行了保护酶活性和存活率的相关分析。
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