English translation for "change of cast"

更换石膏

Example Sentences:

	1.	Standard practice for length change of cast , drilled , or sawed specimens of hydraulic - cement mortar and concrete 水硬水泥灰浆及混凝土的铸造钻孔或锯断试样长度变化的标准实施规程
	2.	The coupled turbulent flow field and temperature field are simulated by finite element method ; the influence of casting speed on the turbulent flow field and temperature field in the melting bath and the interaction between those two field are analyzed ; the variation tendency of the heat flux intensity between the melting bath and casting roll and law of variation with changes of casting speed in the process of solidification are given ; a comparison between the simulation results and experimental results demonstrates their good agreement ; and the mechanism of the heat flux variation is identified by analysis on the temporature gradient and development of solidification within the melting bath and its influence on the variation of the heat flux intensity 采用有限元法模拟了双辊铸轧不锈钢过程的流热耦合问题;分析了铸轧速度对熔池内流场、温度场的影响以及流场与温度场之间的相互影响;给出了凝固过程中熔池与铸轧辊之间的热流密度变化趋势及随铸轧速度的变化规律,并把此模拟的结果与试验的结果相比较,吻合较好;通过熔池内温度场及温度梯度分析了熔池内凝固的发展及其对热流密度变化的影响。
	3.	The control system of mould level is crucial to improve the slab quality in the continuous casting process , pid controller is used in the traditional mould level control , and it has some defaults , such as : at the start - up or finishing period of casting or during the changeover of tundish , pid control has a bad effect , its overshoot is large and its transient time is long ; the erosion of the tundish stopper and the submersed nozzles lead to the accuracy of control become bad ; the abrupt falloff of block in the submersed nozzles makes the level acutely fluctuate , and pid control can not overcome the disturbances resulted from the change of casting speed 结晶器液位控制系统是提高连铸产品质量的关键环节，传统的连铸机液位控制方法采用常规的pid控制，存在如下不足：开始、结束浇注和换中间罐浇注时，控制效果差，超调量大，过渡时间长；塞棒头和浸入式水口被腐蚀后引起控制精度差；浸入式水口堵塞物的突然脱落所引起的液位剧烈波动；无法克服拉速波动引起的扰动。

Similar Words：

"change of axes" English translation, "change of base" English translation, "change of basis" English translation, "change of beach profile" English translation, "change of bobbins" English translation, "change of character" English translation, "change of circumstances" English translation, "change of clothes" English translation, "change of color" English translation, "change of color because of fear" English translation