Scandia and rhenium doped tungsten powders were prepared by solid-liquid doping combined with two-step reduction method.
用液-固掺杂及两段还原法制备了氧化钪及铼掺杂的钨粉。
In the first method we make use of oxidation-reduction to adopt iodine reclaiming process of separation, extraction and sublimation from waste iodine liquid.
第一种方法是利用氧化还原反应，采用分离、萃取、升华等工序回收废碘液中碘的工艺。
The catalysts obtained from microwave heating method had higher catalytic activity for hydrogen-water liquid exchange reaction than those for the impregnation-reduction method.
微波辐射法所得催化剂对氢-水液相交换反应有更高催化活性；
The catalysts obtained from microwave heating method had higher catalytic activity for hydrogen-water liquid exchange reaction than those for the impregnation-reduction method.
微波辐射法所得催化剂对氢-水液相交换反应有更高催化活性；
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