首先执行低温阶段应力 Low Temp Step Stress
导致活化能取值偏低的影响因素包括低温阶段的加热时间、K-长石的纯度和部分斜长石、石英的混入等。
The affecting factors of low value by activation energy determination include heating duration in low temperature stage, pureness of K feldspar and mixture of some plagioclase, quartz et al.
目前国内太阳能热利用多限于低温范围，中温和高温还处于空白阶段。
Now the solar thermal application is mostly limited in low temperature, the high temperature is still in blank stage in home.
目的探讨多阶段控制性降压复合低温麻醉对骶骨肿瘤切除术的影响。
Objective To study the effect of multi stage controlled hypotension combined with hypothermia anesthesia on patients undergoing sacral tumor resection.
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