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The microporosity morphology and formation mechanism of cast magnesium alloy was investigated with software for analysis percentage of microporosity and field scanning electron microscopy.

铸造镁合金微孔的组织形态形成机理符合气体形成模型和溶质再分配理论，从而验证氢气析出形成显微气孔机理。

This paper has investigated the morphologies of the structure and formation mechanism of cast magnesium alloy with the software for analysis percentage of microporosity and field scanning electron microscopy.

铸造镁合金微孔形成机理从热力学角度分析符合气体形成模型；从动力学角度分析符合溶质再分配理论，从而验证氢气析出形成显微气孔机理。

Due to I saw the announcement on web which told all student that there will be a special exam on Mid of Dec, I guess that there are higher percentage of fail, it is very sad.

因为我看到公布网站，其中对全体学生，将有一个特殊的考试中的十二月，我猜想应该有更高比例的失败，这是很可悲的事。

Too much rainfall was simulated with the minimum deviation percentage of 30%.

月降水量模拟远远偏大，最小的百分比偏差也达到了30％。

We are incredibly lucky to be a part of this miniscule percentage of people who are, by all means, rich.

我们已十分的幸运，因为我们是那小百分比中的一员，当然富裕。

One of miniscule percentage of golfers that can regularly break 80?

其中一个极小的百分比球手，能经常突破80吗？

Changes of heart function parameter: blood shoot percentage and Left ventricle minor axis shortening ratio around treatment were observed.

随机分为中药组 2 0例与西药组 2 0例，分别用中药及西医正规治疗，观测其心功能各项参数EFFS治疗前后的变化。

Minton points out that an increasing percentage of California's precipitation over recent decades is falling as rain rather than snow.

明顿指出，最近数十年来，加利福尼亚的降雨量不断增加而降雪却在减少。

We also have a high percentage of international students in our MIS programs.

我们也有一个在我们的管理信息系统课程的国际学生的比例很高。

Mixed saliva and pooled plaque samples from the smooth surfaces of teeth were collected for microbiologic analysis before administration (baseline~ day 0).. during treatment (days 7.. 14 and 21) and after withdrawal of the agents (days 28~ 42 and 56) and plaque index were recorded. Microbial cultivation were performed by serially diluting the samples with PBS solution and cultivating the aiquots on Mitis Salivarius Agar and MS supplemented with bacitracin for Oral streptococci and Mutans streptococci respectively. The plates were incubated at 37~C under microaerophilic condition(90%N2,10%CO.,) for 48 hot:rs. The number of colony-forming unit per plate was counted and the percentage of Mutans Streptococci per Oral streptococci in dental plaque were determined.

使用前、使用中1、2、3周及停止使用后1、3、5周分别记录菌斑指数并收集唾液及光滑面集合菌斑样本，应用MS及MSB培养基微需氧环境培养检测唾液和菌斑中口腔链球菌属细菌及变形链球菌的菌落形成数，分析各组使用药物前后唾液中变形链球菌的改变及菌斑中变形链球菌在口腔链球菌属细菌中百分比的变化以及变化的延续性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。