将半干法制备的高取代度阳离子淀粉应用于废纸脱墨浆作助留助滤剂。
The cationic starch with high substituted degree prepared by half-dry process was used as retention and drainage AIDS in deinked pulp.
本发明公开了一种制备硫化钠的半立式反射炉以及工艺。
The invention discloses a semi-vertical reverberatory furnace for preparing sodium sulfide and a technique thereof.
为此，提出了一种新型的沥青基炭复合材料的制备工艺，即模压半炭化成型工艺（简称MSCT工艺） 。
Therefore, this paper brought forward a new preparation technology, namely mould pressing and semi-carbonization technology (MSCT).
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