查询词典 phosphate rock

A process based upon solvent extraction has been developed for the recovery of phosphoric acid from a leaching liquor obtained by decomposition of phosphate rock with sulfuric acid.

本文采用二丁基亚砜作为萃取剂，对于用硫酸分解磷矿而得的粗磷酸进行多级逆流萃取及反萃取，以获得高纯度的磷酸和磷酸盐。

The potassium and phosphorus extraction rates are studied for the reactive system consisting of natural potash feldspar ,phosphate rock and phosphoric acid,with the analysis on reactants and resultants by XRD and FTIR.

分析了钾长石、磷矿、磷酸不同组合反应体系的钾、磷溶出率，并用XRD和FTIR对反应物和产物进行了物相分析。

Hydride generation atomic absorption spectrometry, phosphate rock, wet-process phosphoric acid, trace arsenic, trace mercury, determination

氢化物发生-原子吸收光谱法，磷矿石，湿法磷酸，微量砷，微量汞，测定

Influence of fluorine on filtration of acid-insoluble matter, crystal and filtration of calcium nitrate, ammonia neutralization of mother liquor and evaporation process of slurry are discussed based on its increasing slurry viscosity, rowing fine crystal and troubling filtration in production of nitrophosphate by nitric acid decomposing phosphate rock.

介绍在硝酸分解磷矿生产硝酸磷肥的过程中，杂质氟对酸不溶物过滤、硝酸钙结晶及过滤、母液的氨中和及料浆蒸发过程的影响。由于氟的存在使物料粘度增加，结晶细小，过滤变得困难。

In view of the sample phosphate rock with low calcium oxide, the usage range of EGTA solution should be pointed out for the measure precision of magnesium content.

提出对氧化钙含量低的磷矿样，分析中应通过试验确定EGTA溶液的加入范围，以保证MgO测定的准确度。

The countermeasure is to introduce additives, refraining or inducing the precipitation of potassium and sodium fluosilicate. 5 additives are found effective and the desirable one is E, 70% anti-scaling efficiency scales can be avoid at the dose of 0.5 g/100 g phosphate rock.

提出采用添加剂，抑制或提前析出氟硅酸钾，钠盐，同时进行了5种添加剂的实验室研究：均有较好的阻垢效果，但最终选择添加剂E，阻垢率可达70%以上，添加量以0.5 g/100 g磷矿为宜。

Furnace acid is made by reducing phosphate rock with loke in an electric furnace.

炉酸是在电炉中用焦炭还原磷矿制得的。

Phosphate rock is one of the four most important basic chemical commodities.

磷酸盐类的岩石是四种最重要的基本化学商品之一。

At the same time, our company also operates a variety of grade phosphate rock, slag trade.

同时我公司还经营各种品位的磷矿石，矿粉的贸易。

The company's procurement cost phosphate rock below the industry average, industry obvious competitive advantage.

公司的磷矿石采购成本低于行业平均水平，行业竞争优势明显。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。