grain refiners造句

• Among the grain refiner, the mixture had the best grain refmering performances
  其中以混合物作为细化剂时效果最好。
• The result showed that after adding grain refiner, the hardness of magnesium alloys changed little while the impact toughness increased
  结果表明，添加细化剂后，镁合金的硬度变化不大，而冲击韧性提高。
• The key problem of magnesium application is its poor forming ability, so it is very important to find an effective grain refiner for magnesium alloys
  实践证明，细小等轴的晶粒组织能改善其塑性变形能力，因此找到一种实用有效的工艺来细化镁合金晶粒就显得非常重要。
• As being applied to production can save raw material and reduce cost . the experiment prosposes al-ti-b-re master alloy and theoretical analyses know that it can overcome some weakness of al-ti-b master alloy and belongs to ^ a grain refiner needing studied further
  试验还提出了aitibre中间合金，理论分析表明，它能够克服aitib中间合金的一些缺陷，是一种有一待于我们进一步深入研究的细化剂。