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.
第二种方法是一种新颖的建模策略,它把晶体生长率作为非线性逼近器的人工神经网络(ANN)与由蔗糖晶体质量平衡所表述的先前既定的知识相结合。
The second is a novel modeling strategy that combines an artificial neural network(ANN)as an approximator of the growth rate with prior knowledge represented by the mass balance of sucrose crystal.
后继加热器通过补充晶体径向的热散失,使得沿生长界面径向的由熔体向晶体的热输运实现平衡,使晶体生长界面更加平坦。
The successor heater can be used to supply the radial heat dissipation, and the melt to crystal heat flow is balanced by this process, so that the crystal growth interface became more flatted.
在直拉法晶体生长过程中,主要是通过调节提拉速度和加热器温度跟踪目标曲线来实现晶体等径生长的。
In the Czochralski crystal growth process, the main method is regulating the pulling speed and heater temperature to track the target curves, in order to achieve the diameter growth of crystal.
在直拉法晶体生长过程中,主要是通过调节提拉速度和加热器温度跟踪目标曲线来实现晶体等径生长的。
In the Czochralski crystal growth process, the main method is regulating the pulling speed and heater temperature to track the target curves, in order to achieve the diameter growth of crystal.
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