low-purity gold [金融] 低成色黄金
low purity waste collection tank 低纯度废料收集槽
Low purity Silicon Carbide 低纯炭化硅
low-purity px 低纯度px
low purity gold 低成色黄金
low-purity juice 低纯度糖汁
low-purity oxygen 低纯度氧气
A process for preparation of high purity sec-octyl alcohol from low purity product by catalytic hydrogenation is introduced.
介绍了由低纯度仲辛醇催化加氢制备高纯度仲辛醇的工艺。
There are some problems in traditional separation process for toluene diamine, such as low purity of product and huge energy expenditure.
传统的甲苯二胺分离工艺存在一些缺点，如甲苯二胺产品的纯度不高、过程的能耗大等。
The low purity of furnace charge and accessories and the improper smelting and pouring crafts were regarded as the formation reason of the oxide film.
同时，分析认为这种氧化膜的形成与金属炉料、铸造辅料的洁净度不够以及熔炼、浇注不合理有关。
应用推荐