探讨了直接加热法、直接水蒸汽法、间接水蒸汽法、减压蒸馏、酒精沉淀等五种回收方法的优缺点。
The advantage and disadvantage of the five recycling methods, direct heating, direct aqueous vapor, indirect aqueous vapor, reduced pressure distillation, precipitation method, is discussed.
介绍了钛合金超塑成形的一般工艺以及电瓶箱罩盖成形时采用的直接加热法和新的密封方式，从而解决了生产中的关键问题，取得明显的技术经济效益。
The direct heating method and the latest sealing way used in cover forming are introduced. Therefore the key problems in the production can be solved and more benefits can be gained.
研究了以膨润土提铝残渣为原料，采用低温加热法直接合成有机硅化合物新方法。
A new method is presented for the synthesis of pentacoordinate silicon complexes directly from residues left behind extracting of aluminum from bentonite by the low-temperature heating method.
研究了以膨润土提铝残渣为原料，采用低温加热法直接合成有机硅化合物新方法。
A new method is presented for the synthesis of pentacoordinate silicon complexes directly from residues left behind extracting of aluminum from bentonite by the low-temperature heating method.
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