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- critical cooling velocity 临界冷却速度
- upper critical cooling velocity 上临界冷却速度
- The conversion ratio of potassic feldspar to leucite in alkali trachyte is mainly controlled by temperature when it is less than1100℃ and by the cooling velocity of temperature when it is over1100℃. 富钾粗面岩中钾长石向白榴石的转化率在1100℃前主要受焙烧温度控制；在1100℃后则受其后的降温速度控制。
- By numerically simulating the cast process, this paper gets the regulation of temperature field varying during the cast process and of cooling velocity distributing in cast, predict the microstructures and casting defects. 通过对铸造过程进行数值模拟，得出浇铸过程中的温度场变化规律以及冷却速度在铸件上的分布规律，预测了铸件的微观组织和铸造缺陷。
- The results show that,as TiO_2 content increases and B_2O_3content decreases in the glasses,the critical cooling rate of the glasses increases,and the glass formation becomes more difficult. 结果表明,随玻璃组份中 TiO_2含量的增加、B_2O_3量的减少,玻璃的临界冷却速率值增大,玻璃形成趋于困难。
- Keywords rail steel;CCT curve;critical cooling rate; 重轨钢;CCT曲线;临界冷却速度;
- Keywords HSLA steel;critical cooling time;criterion; 低合金钢;临界冷却时间;判据;
- John couldn't keep cool when he met his rival. 约翰见到他的对手就不能冷静下来。
- She is a very discerning art critic. 她是位眼光敏锐的艺术评论家。
- My new car cost me a cool thousand pounds. 我的新车整整花了我1000镑。
- I think the chastisement to him is too critical. 我认为对他的惩罚太严厉了。
- In cooling, the rivet contracts. 铆钉在冷却时会收缩。
- Let's go and have icecream to cool off. 咱们去吃点冰淇淋凉快凉快吧。
- The inquiry was critical of her work. 该项调查对她的工作提出了批评。
- He do not wear a coat in spite of the cool weather. 虽然天气寒冷，他没有穿外套。
- The reform is at its critical stage now. 改革正处于关键阶段。
- He was always cool in the face of danger. 他在危险面前总是镇静自若。
- Her performance won her much critical acclaim. 她的表演大获评论界赞颂。
- A rest in the shade will cool you down. 在阴凉处休息会使你凉爽。
- We have come to the critical moment. 现在到了紧要关头。
