超高纯 meaning in English

ultra-pure

Analysis of impurity in ultra high pure ammonia
超高纯氨杂质分析
The industrial - scale process of high purity propane for micro - electronic industry
微电子工业用超高纯丙烷的工业化生产
Uhp bulk gases and special gases piping system ? design , installation , test
超高纯大宗气体与特种工艺气体系统工程的设计、安装、检测。
Production of ultra - pure tantalum oxide ultra - pure niobium oxide from ch3 5chohch3 - hf - h2so4 system
4体系制取超高纯氧化钽和超高纯氧化铌
X4 ? 4a1m / u $ j : e # u4d uhp bulk gases and special gases piping system ? design , installation , test
超高纯大宗气体与特种工艺气体系统工程的设计、安装、检测。