1) Super Clean Environment
超净环境
2) ultra clean environment
超洁净环境
1.
5 alloy has heen prepared by arc melting in ultra clean environment, which is related to high undercooling.
采用超洁净环境对 Zr41 Ti1 4 Ni1 0 Cu1 2 。
3) environmental purification
环境净化
1.
Preparation of nano TiO_2 and its application in environmental purification;
纳米TiO_2的制备及其在环境净化方面的应用
2.
A series of silica-coated titania composite nano-particles with environmental purification function were prepared from anatase titania nano-particles, sodium silicate and sulfuric acid by a sol-gel method.
H2SO4为中和剂,采用溶胶-凝胶法制备了系列环境净化功能TiO2/SiO2复合纳米粉体。
5) purifying environment
环境净化
1.
Characteristics of effective microorganisms (EM), and it s applied effect in planting industry, cultivation industry and purifying environment are reviewed.
综述了有效微生物群(effectivemicroorganisms)的特点及其在种植业、养殖业和环境净化等方面的应用效果,并对EM的作用机理和应用前景进行了探讨。
6) environmental self-purification
环境自净
补充资料：净
| 净 中国戏曲表演主要行当之一。俗称花脸，源于南戏和元杂剧。以音色洪亮宽阔、演唱风格粗犷浑厚、表现气质豪迈的人物形象著称，如包拯、张飞、曹操等。净行分为大花脸和二花脸，二花脸又包括武花脸、油花脸等分支。大花脸以唱功为主，京剧又称铜锤与黑头，多演朝廷重臣；二花脸以做功为主，重身段工架，故京剧又称架子花脸；武花脸以武功为主，故京剧又称武二花；油花脸俗称毛净，以形象奇特为其特点，钟馗即为油花脸的代表形象。
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参考词条