starting fraction
英 [ˈstɑːtɪŋ ˈfrækʃn]
美 [ˈstɑːrtɪŋ ˈfrækʃn]
初馏分；起始部分
双语例句
- The results show that a polyether polyol with good physical properties is obtained when starting temperature is about 130 ℃, mass fraction of catalyst DMC is 30 × 10-6 and starting pressure of PO is low.
结果表明，起始温度在130℃左右、催化剂质量分数为30×10~（-6）、PO起始压力较低时，得到的聚醚物性较好。 - The effects of the starting material purity, original composition ratio, as well as the fraction rate of grown crystal to the amount of starting materials, on the quality of grown crystals are discussed base on a lot of crystal growth experiments.
根据大量晶体生长实验的结果，讨论了晶体原料纯度、来源、晶体原料起始组分配比及晶体提出量与晶体质量的关系，认为Ga2O3的纯度和来源对晶体质量的影响最大。