• 1. zone purification: 区域提纯 | 区域纯化 | 逐区提纯 | 区域精炼
• 2. zone purification device: 区域提纯装置
• 3. floating zone purification: 浮区提纯法

更多释义

• 1.The two function of transmission and purification of aeration zone for pollutant in mountain city have been discussed by taking Chongging as a typical representative.
  本文以重庆为代表研究了山区城市基岩包气带对污染物传输和净化两种功能。
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• 2.It is introduced a puller applied to purification of rare earth (RE) material, according to the float zone (FZ) technics of crystal growing, interprets main structure and characteristic of the puller.
  介绍了一种用于稀土金属提纯的单晶炉，根据区熔法提纯单晶的特殊工艺要求，分析了其主要结构及特点。
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• 3.The influence of variable zone lengths, zone passes, moving speed and the impurity of raw materials on the purification process was studied.
  考察了熔区移动速度、区熔次数、熔区长度以及黄磷原料杂质初始含量对提纯效果的影响。
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