A small, simple experimental anode baking furnace is designed by simulating the structure of open ring-type horizontal baking furnace used in industrial production.
模拟实际工业生产中采用的敞开环式阳极焙烧炉炉室结构，设计了一台小型、简易的实验用阳极焙烧炉。
A hydraulic drive system of cutter head in shield tunneling machine was designed, which is open type hydraulic system and controlled in open-ring.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
In this paper, the polylactic acid is synthesized by two-step method from lactic acid to lactide, then open-ring polymerize to PLA (polylactic acid).
采用二步法由乳酸制备丙交酯，由丙交酯的开环聚合制备高分子量的聚乳酸。
In this paper, the polylactic acid is synthesized by two-step method from lactic acid to lactide, then open-ring polymerize to PLA (polylactic acid).
采用二步法由乳酸制备丙交酯，由丙交酯的开环聚合制备高分子量的聚乳酸。
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