查询词典 sulphate

Tina's turmoil: I have been along time reader of another blog called Killer Strands and the writer (Dakota Ellis/Killer Chemist) is a hair colourist and a cosmetic chemist who has tested sulphate shampoos and proved it does fade color and may cause premature hair loss.

不久前我读过一篇名为《头发杀手》的博客，作者是一个发型师和化妆品药剂师，她叫达科达。埃利斯。她对含硫酸盐的洗发水作了试验并且证实这种酸性洗发水会导致头发掉色和早脱。

MethodsFirst, solution of sulphate magnesium was confected in different concentration.

目的认识掺硫酸镁穿山甲的掺假方法与制备过程。

MethodsFirst, solution of sulphate magnesium was confected in different concentration.

方法用配制好的不同浓度的硫酸镁溶液对炮制合格品穿山甲进行不同时间的浸泡或煮沸，干燥，称重，进行计算。

The surface of the cathode should be clean without copper sulphate and other dirts on it.

阴极铜的表面应洁净，无硫酸铜和其他污物，结晶致密、平整，表面及边缘不得有高出结晶表面的粒子等。

Add 100-150g of finely crushed ice and stir until the m-nitroaniline has been converted into the sulphate and a homogeneous paste results. Cool to 0-5°C by immersion of the beaker in a freezing mixture, stir mechanically and add a cold solution of 18g(0.26mol) of sodium nitrite in 40 ml of water over a period of 10 minutes until a permanent colour is immediately given to potassium iodide-starch paper: do not allow the temperature to rise above 5-7°C during the diazotisation.

加入100-150g碎冰，搅拌至m-硝基苯胺成硫酸盐，把烧杯浸入到冷冻液中冷却到0-5°C，机械搅拌下于 10 min内加亚硝酸钠冷溶液（由18g(0.26mol)亚硝酸钠和40 ml 水组成），直到用淀粉-碘化钾试纸测试时，能使该试纸立即显色且不褪色：在重氮化反应时不允许温度超过5-7°C。

The gold chloride is extracted from acidic solution by polyethylene glycol-ammonium sulphate aqueous two-phase system .

利用聚乙二醇-硫酸铵[(NH4)2SO4]双水相体系从酸性溶液中萃取分离金。

Acid usually obtained by a reaction of a cyanide with iron sulphate.

氰亚铁酸形成的盐，通常由氰化物和硫酸铁反应形成。

Adding freshly prepared iron sulphate solution to sample solution, then carefully adding concentrated sulphuric acid.

把新鲜配制的硫酸铁溶液加入样本溶液中，再小心地加入浓硫酸。一会后

In the second stage (550—600℃) reaction between cobalt and copper oxides and SO_3 dissociated from iron sulphate is initiated.

第二阶段(550—600℃)是利用鉄硫酸盐分解放出的SO_3使鈷、銅氧化物进一步硫酸化。

In order to recover the valuable metals in the electroplating sludge,the process flow for preparing copper sulphate and iron oxide red with the copper-contained electroplating sludge as the raw material was put forward.

为了回收电镀污泥中的有价金属，提出了以含铜电镀污泥为原料，制备硫酸铜和氧化铁红的工艺流程，并确定了从含铜电镀污泥中回收铜和铁的工艺参数。

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％。