預先沉澱 的英文怎麼說
中文拼音 [yùxiānchéndiàn]
預先沉澱
英文
presedimentation- 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
- 先 : 名詞1 （時間或次序在前的） earlier; before; first; in advance 2 （祖先; 上代） elder generation; ...
- 沉 : Ⅰ動詞1 （沉沒; 墜落） sink 2 （沉下 多指抽象事物） keep down; lower 3 [方言] （停止） rest Ⅱ形容...
- 預先 : in advance; beforehand
- 沉澱 : 1 （沉澱過程中析出的物質） sediment; precipitate; sedimentary accretion; precipitation; （doposit...
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With the domestic and foreign advanced oxidizing preconditioning ( it can remove ammonia and nitrogen organic material, humic acid, magnesium and hvm film ) separating technology, it separated solid precipitant from brine so as to obtain purified salt brine
該工藝採用國內外先進的氧化預處理除氨氮有機物、腐植酸、鎂和hvm膜分離技術將反應生成的固體沉澱物從鹵水中分離出來，從而得到純凈的鹽鹵水。Effect of pre - oxidation on alum coagulation evaluated through the change of turbidity 、 toc and uv254. the emphasis on some impact factors such as the kind or variety of oxidant and oxidant contact time were studied, with discussing the influence of ph and solution temperature
試驗中先投加氧化劑，再投加混凝劑，充分沉澱后，檢測出水濁度、 toc和uv254 ，通過這些指標變化來評價預氧化對混凝效果的影響。
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