查询词典 phosphate rock

Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer.

磷矿在一个预混合槽中与硫酸以及循环回的第一洗涤酸进行混合。

A suggestion is put forward to adding H2SO4 or (NH4)2SO4 into the mother liquor after calcium nitrate tetrahydrate separated for a further removal of residual Ca, thus the Ca content can be decreased to 0.35% from the previous 3.4%, and the viscosity of neutralized slurry to 0.04 ～0.08 Pa·s, with nice fluidity of slurry Water soluble phosphorus accoun ts to 88%～90%, and the process improves the adaptability of phosphate rock to nitrophosphate production.

提出分离四水硝酸钙后的母液加入H2SO4或(NH4)2SO4进一步除去母液中残钙，可使母液中钙含量由3.4%降到0.35%以下，中和器中料浆粘度可降到0.04～0.08 Pa·s，料浆流动性很好，产品中磷的水溶率可达88%～90%，并提高了硝酸磷肥生产对磷矿的适应能力。

The progress on the extraction of uranium from phosphate rock, lignite, carbonacious shale, uraniferous metallic complex ores and seawater is also described briefly. The progress on the disposal and treatment of effluent and tailings from uranium mill and technical flowsheet without producing wastes is also introduced concisely.

还描述了由磷炔岩、褐煤、碳质页岩、含铀多金属矿及海水提铀的重大新进展，扼要阐述铀水冶的废水及尾矿处理和铀水冶的无废物工艺流程研究的新进展。

Main minerals production increased crude oil output from last year's 165 million tons to 167 million tons in 10 types of non-ferrous production rose from 8.83 million tons to 10.21 million tons, phosphate rock production rose from 21 million tons to 23.01 million tons, cement production rose by 661 million tons to 725 million tons.

主要矿产品产量有所增加，原油产量由上年的1.65亿吨上升到1.67亿吨，10种有色金属产量由883万吨上升到1021万吨，磷矿石产量由2100万吨上升到2301万吨，水泥产量由6.61亿吨上升到7.25亿吨。

Influence of fluorine on filtration of acidinsoluble 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, growing 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。

The suitable amendment rate for coal fly ash and phosphate rock should be 25%and 20%respectively.

粉煤灰和磷矿粉的合适的加入比例分别是25%和20%。

Practically,it is applicable to chose coal fly ash and phosphate rock as stabilitying materials, the source and the price of the stabilitying materials and the disposal expenses are taken into the consideration.

在实际生产及应用中，考虑到作为钝化剂原料的来源、价格及处理费用等问题，选择粉煤灰、磷矿粉作为钝化剂是切实可行的。

The result of the test as judged by the purpose of stabilitying to the exchangeable heavy metals indicate that peat, coal fly ash and phosphate rock were effective for the stabilization.

试验结果表明：从对交换态重金属的钝化效果来说，草炭、粉煤灰、磷矿粉是3种有效的钝化剂。

Surface change of phosphate rock particles was studied by scanning electronic microscopy,energy-dispersive X-ray spectrometer,and specific surface area.

以硫酸法预处理四川马边磷矿为研究对象，采用扫描电镜、能谱分析、比表面积分析等手段研究了磷矿预处理前后颗粒表面的变化。

With change of calcium sulfate shape and reduce of compact degree of coat layer on phosphate rock, the velocity of second stage reaction of SSP is accelerated by active addition agent, and with intensification of mass transfer, the rate of first stage reaction of SSP is promoted by ultrasonic.

活化添加剂促进酸矿反应的重要途径是改变硫酸钙结晶的晶习，减弱硫酸钙对磷矿包裹的致密程度，特别表现为对第二阶段的反应十分有利，而超声波对酸矿反应的促进主要表现为提高第一阶段反应的传质过程强度。

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 。