cooling down time 中文意思是什麼
cooling down time
解釋
冷卻時間-
3 the design theories of cooling pipe of play down internal temperature of mass concrete about diameter, length, arrange method, rate of flow, current velocity, reduce heat time, temperature disparity to in and out, reduce heating result etc. 4 the theory of influence about concrete internal temperature and concrete crack because of transform of mixture ratio and pulverized fuel ash sophisticate quantity
西安建築科技大學博士生論文一;一;一一『一一一3降低大體積混凝土內部溫度常用的冷卻水管的管徑、長度、布置方法、水流量、流速、降溫時間、進出水口的溫差、降溫效果等的設計計算理論。 4配合比及摻加料對混凝土內部溫度和混凝土開裂的影響理論。 -
Thirdly best maintenance system is determined eventually : the constant temperature is 205 c, the constant pressure is 2 mpa, time of heating up is 3 h ; the time of constant temperature is 9 h and time of cooling down is 3 h
並最終確定了最佳養護制度：恆溫溫度為205 ，恆溫壓力2mpa ；升溫時間為3h ；恆溫時間為9h ：降溫時間為3h 。
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