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死亡率

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Finally, the death rate in most developed co untries declines steadily because people's standards of living are raised and health care improves.

最后,许多发达国家中的死亡率稳步下降,因为人们生活水平提高了,卫生保健改善了。

Methods Fifty F-344 rats were divided into four groups, GM only、PAA+GM、PAA only and saline control. ABR thresholds at different frequencies were measured at different times and hair cell losses were numerated. Two-dimensional diffusion assays in the culture medium were performed to evaluate the effect of PAA on the antimicrobial activity.

选用健康F-344大鼠50只,随机分4组:Ⅰ为GM、Ⅱ为PAA+GM、Ⅲ为PAA、Ⅳ为生理盐水对照组;通过观测4组大鼠不同时期、不同频率听性脑干反应(auditory brainstem respons,ABR)阈值的改变;计数耳蜗毛细胞死亡率,以观察PAA对F-344大鼠GM耳蜗毒性的拮抗作用;用双向扩散血清培养基检测法观察PAA 对 GM 抗菌活性的影响。

The animal model of MODS was established successfully by occluding the superior mesenteric arteries of rats for 45 minutes.

模型组2在致伤因素、器官功能、病理形态和死亡率等方面均符合MODS模型的标准,是较理想的模拟临床肠缺血再灌注损伤诱发MODS的模型。

Methods and Results— Preformed fibrin microemboli were injected into the middle carotid artery of mice, occluding downstream perfusion and causing severe infarction and 50% mortality within 48 hours.

方法和结果,预纤维微栓子注入颈内动脉中的老鼠,阻断灌注及下游造成严重心肌梗塞和50 %的死亡率在48小时内。

By 2010, deaths there are expected to start outnumbering births, so from that point immigration will account for more than all its growth.

预计到2010年,死亡率将高于出生率,因此,由前述论点推知,较之整体的人口成长,移民将更加说明问题。

Mean period of oviposition each adult is 32.2±9.04 days at 29℃ and mean number of eggs oviposited per female is l62±11.32 eggs at 30℃ high moisture.

在24—30℃条件下,卵历期为4—7天,孵化率为60%以上;在9—10℃时为12天,卵的死亡率80%以上。幼虫历期随龄数增多而延长。在20℃条件下,幼虫能形成蛹。

In rural areas of Beijing, the maternal mortality rate plunged by 72 percent.

在北京乡镇,产妇死亡率下降了72%。

In rural areas of Beijing, the maternal mortality rate plunged by 72 percent.

在北京的乡村地区,孕产妇死亡率高达72%。

In rural areas of Beijing, the maternal mortality rate plunged by 72 percent.

在北京郊区,产妇死亡率下降了72%。

In rural areas of Beijing, the maternal mortality rate plunged by 72 percent.

每100000人中787个。在北京的乡村地区,产妇的死亡率高达72%。

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