查询词典 xanthogenate

One liter of cyanide containing electroplating wastewater, which contains 15mg/L Cr3+, 3mg/L Cu2+,9.2mg/L Ni2+ and 6 mg/l Zn2+, reacted with 2 g cellulose xanthogenate at pH 8 and was stirred for 1 hour, and then was filtrated, the concentrations of Cr3+, Cu2+, Ni2+ and Zn2+ of the treated water was 0.08 mg/L, 0.03mg/L, 0.12 mg/L.

结果发现：1L含氰电镀废水（含Cr3+15mg／L、Cu2+3mg／L、Ni2+9.2mg／L、Zn2++6mg／L），加入2g纤维素黄原酸盐，调节pH8，搅拌lh，过滤，处理后的废水中Cru+、Cu2+、Zn2+、Ni2+残余浓度分别为0.08mg／L0.03mg／L、0.12mg／L、0.10mg/L。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。