Studies on the wetpreparation of mechanically aligned ferrite powders and measurements of some physical and magnetic properties were per-formed.
本文叙述了湿法制备具有机械取向特性的铁氧体磁粉的工艺研究,并对磁粉进行了多方面的物化测试。
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The effects of the recycling and reuse of chrome tannins effluent, based on the saved chrome tanning process, were examined for the preparation of wet blue in making soft type leather from steer hide.
Study is made on preparation of small concrete hollow block using cinder wet discharged from power plant instead of sand by laboratory and industrial experiments.