formulation是什么意思

网络释义

用法例句

Effects of electric field or magnetic field on catalyst preparation;

电场和磁场对催化剂制备过程的影响

The relations of surface fractal dimension with catalyst selection, catalyst preparation method, rare earth element content and catalyst treatment process have been discussed in detail.

对于甲烷、二氧化碳与氧气催化氧化重整反应,在利用盒子维法测定催化剂表面分形维数的基础上,考察了表面分形维数与催化剂筛选、催化剂制备方法、稀土元素添加量和催化剂反应前后的处理等之间的关系,实验证明分形是一种有效的工具。

The presentstate-of-art status of technologies for catalyst preparation is far from perfect and theexploring of new preparation method is necessary.

发展新的催化剂制备方法具有重要的现实和理论意义。