screening of catalyst

例句：

1. 2.
   对…
2. 3.
   在…上
3. 1.The scientists conducted a thorough screening of the new drug for safety.
   科学家们对新药进行了彻底的安全筛查。
4. 2. Before releasing the product, they conducted a thorough screening of the manufacturing process.
   在产品投放市场之前，他们彻底检查了生产过程。
5. 3. The company screened potential employees based on their skills and experience.
   公司根据员工的技能和经验进行潜在员工的筛选。