The ethylene cracking tubes pack-carburized in a laboratory(P tube) and carburized during servicing in a cracking furnace (S tube) are studied.
对实验室固体渗碳（P管）和裂解炉运行渗碳（S管）的乙烯裂解管进行了研究。
With the own art, the Modular Microchannel Cooler(MCC) have been made in the Applied Physics Laboratory of Chongqing Teacher's College. The MCC used to pack and to cool the laser diode bar.
重庆师范学院应用物理研究室已经用自己的工艺制造出高功率激光二极管线阵的微沟道冷却封装组件。
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