由于拉单晶过程中投料量较大，炉体结构复杂、造价昂贵，所以拉晶实验成本太高。
Because of the large stuff of silicon, complex structure of furnace and expensive cost, computer simulation is a best way to optimize design.
研究了不同的抽拉速率对第二代单晶高温合金dd 6凝固组织的影响。
The effect of withdrawing rate on the solidification microstructure of a single crystal superalloy DD6 was investigated.
本文介绍采用密闭热系统拉晶工艺拉制硅单晶的情况。
The drawing of single crystal silicon in a closed thermal system is described.
文章提出了一种实用的单晶炉提拉速度控制系统。
This paper proposes a practical speed control system for single crystal furnace lifting mechanism.
与提拉法相比，采用坩埚密封的下降法生长sgg单晶，可以显著提高晶体产率，降低成本。
Compared with Czochralski method SGG single crystal growth with crucible capsuled vertical Bridgman method can improve crystal production and lower the cost efficiently.
研究了复合式热屏影响拉速和单晶氧含量的机理。
The influence of the compound heat shield to the pull speed and the oxygen concentration is researched.
用表面增强拉曼散射技术研究单晶硅表面键合光敏染料，可获得信噪比强的SERS图。
The photosensitive dye bound to the monocrystalline silicon surface was investigated by means of SERS, and SERS which had strong signal-to-noise ratio (SNR) was obtained.
采用自调整因子混合式模糊pid控制方法，对单晶炉的提拉速度进行控制。
A speed control system of single-crystal furnace lifting mechanism based on mixed self-adjusting fuzzy PID controller is introduced in this paper.
本文结合单晶炉提拉系统实际工作情况，对单晶炉提拉系统的摆动量的检测方法进行了研究，提出了基于计算机视觉的运动轨迹检测方案。
In this paper, detection scheme is researched based on the practical condition of lifting system. And a vision detection scheme was formed to detect the swing parameter.
本文结合单晶炉提拉系统实际工作情况，对单晶炉提拉系统的摆动量的检测方法进行了研究，提出了基于计算机视觉的运动轨迹检测方案。
In this paper, detection scheme is researched based on the practical condition of lifting system. And a vision detection scheme was formed to detect the swing parameter.
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