查询词典 sulphate

Preliminary studies of a wetland in south Wales has already indicated that a variety of internal processes (adsorption, dissolution of carbonate, precipitation of iron oxides and microbial sulphate reduction) combine together to provide a high degree of remediation.

初步行动一个洼地的研究在威尔斯南部已经指出多种内在的程序(吸附，碳酸盐的分解，氧化铁和微生物的硫酸盐减少的坠落)一起联合提供一个再调停的高程度了。

For water containing serious industrial contaminants, like that at Lampoldshausen, they use iron sulphate as the catalyst and add a small amount of hydrogen peroxide and sulphuric acid to assist the process.

像Lampoldshausen等地，由于水中含有危险的工业污染物，他们使用硫酸铁作为催化剂，并添加少量的过氧化氢和硫酸协助净化过程。

During the following days the settlers had time to constructa furnace of bricks of a particular arrangement, to serve for thedistillation of the sulphate or iron when it had been obtained.

剩下几天，居民们抓紧时间，砌了一个特殊的砖炉，预备蒸馏尚未制得的硫酸铁。

Those researchers, led by Wajih Naqvi and Victor Smetacek, created a bloom of phytoplankton by fertilising an area of 300 square kilometres with six tonnes of iron sulphate, which dissolves in water. In two weeks the bloom's mass doubled.

这些由Wajih Naqvi和维克多·斯莫塔希克领导的研究者给300平方公里的海域里面投加了6吨的可溶于水的硫酸铁作为浮游生物的肥料已让他们生长。

The iron transformation , their effects on soil factors and iron availability of compound iron fertilizer (CF,self-made iron fertilizer) and sulphate iron(FeSO 4) in calcareous soil were investigated by using soil incubation method.

通过土培试验的方法，研究了复混铁肥、硫酸亚铁两种肥料在石灰性土壤中的形态转化、对土壤因子的调控作用及在有效性上的差异。

The separation of iron from sulphate solutions has been firstly investigated using a mixed solvent system consisting of tertiary amine N_(235 and tributyl phosphate.

首先，采用N_(235)-TBP混合溶剂体系萃取含铁、锌、锰的硫酸盐溶液中的铁，实现铁与锌、锰的分离；然后用P_(204)萃取含锌、锰的萃余液中的锌，达到锌、锰分离的目的。

The relation of cerebrovascular disease with general hardness, cadmium and lead in water offer positive correlation but with iron, zinc,etc negative correlation, the cancer of liver with :iron, sulphate, fluoride and the general amount of bacterium positive correlation.

经统计学分析饮用水中与脑血管病呈正相关的是：总硬度、镉、铅，呈负相关的有铁、锌等；与肝癌呈正相关的有铁、硫酸盐、氟化物、细菌总数。

The separation of iron from sulphate solutions has been firstly investigated using a mixed solvent system consisting of tertiary amine N_(235 and tributyl phosphate. Then, zinc was extracted with di(-2-ethyIhexyl)phosphoric acidP_(204 from the raffinate in order to separate zinc and manganese.

首先，采用N_(235)-TBP混合溶剂体系萃取含铁、锌、锰的硫酸盐溶液中的铁，实现铁与锌、锰的分离；然后用P_(204)萃取含锌、锰的萃余液中的锌，达到锌、锰分离的目的。

Copper-contained electroplating sludge ; N902; copper sulphate ; iron oxide red

含铜电镀污泥； N902；硫酸铜；氧化铁红

To obtain sulphuric acid, Cyrus Harding had only one operation to make,to calcine the sulphate of iron crystals in a closed vase, so that thesulphuric acid should distil in vapor, which vapor, by condensation, wouldproduce the acid.

赛勒斯·史密斯制造硫酸的最后一道工序，是把硫酸铁的结晶密封在瓶子里，进行锻烧，使之蒸发为水汽，经过冷却，就可以变成硫酸了。

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％。