Research progress in preparation of ultrafine nickel powders;
本文首先研究了液相还原法制备超细镍粉。
Progress in preparation techniques for M-base hydrogen storage alloys is reported.
报道了镁基储氢合金制备方法的研究进展。
This paper reviewed the recent progress in preparation craft of osmotic pump controlled release tablets.
本文就口服渗透泵型控释片的制备工艺研究进展情况进行了综述。
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