同时在结晶器中增加细晶排出装置，降低晶核数量，提高晶体生长速率，达到改善结晶质量的目的。
Meanwhile, fine crystal discharge device was added in crystallizer to decline quantity of crystal nucleus and to increase crystal growth rate so as to reach the aim of improving crystalline quality.
由于空间环境和飞行器的限制，空间晶体生长实验的成功率较低，仿真实验是解决这一问题的有效途径。
Because of the restraint of space environment and the aerocraft, the growth of crystal experiment have a low success rate, simulation is a effective way out.
采用热交换法生长蓝宝石晶体，通过数值模拟与实验研究了晶体生长过程中热交换器中氦气流量对温场的影响。
The influence of the helium flux on the thermal field of sapphire crystal growth by heat exchange method(HEM) was studied by heat exchange method simulation and experiments.
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