1) gray precipitation
灰色沉淀
1.
In determination of ammoniacal/nitrogen in waste water with colorimetry,Nessler reagent was added,a great amount of gray precipitation was generated.
阐述应用纳氏试剂比色法测污水中氨氮时,加入纳氏试剂后产生大量灰色沉淀的原因及消除办法,对产生沉淀的机理进行初步探讨。
2) Lime-sedimentation
石灰沉淀
1.
Removing F-and SO_~(2-) from mine wastewater by the two methods of Lime-sedimentation and PAC coagulation sedimentation is discussed.
采用石灰沉淀和聚合氯化铝(PAC)混凝沉淀相结合的方法去除矿井废水中的硫酸根离子和氟离子,对去除机理及影响因数进行了研究。
2.
Simple lime-sedimentation method fails to lower the concentration of the wastewater-containing fluoride with high concentration to the lower level; Ca(OH)2 + Al2(SO4)3 (or PAC) is an effective method to treat the wastewater with 100mg/L or so fluoride, in it, the treating effect of PAC is superior to that of Al2(SO4)3.
单纯的石灰沉淀法不能把高浓度含氟废水降到较低水平,Ca(OH)2+Al2(SO4)3(或PAC)是处理100mg/L左右的含氟废水的有效方法。
3) ash pond
灰[沉淀]池
4) precipitate and decolorization
沉淀脱色
5) brown precipitation
棕色沉淀
1.
Cause analysis of brown precipitation and white matter resembling cotton in bottled mineral water;
瓶装矿泉水棕色沉淀及白色絮状物成因分析
6) white sediment
白色沉淀
1.
Analysis and identification of major components in white sediment from carrot juice;
胡萝卜汁中白色沉淀主要成分的分析和鉴定
补充资料：灰色
①像木柴灰的颜色。②比喻颓废和失望：～的作品 ㄧ～的心情。③比喻态度暧昧。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条