查询词典 jarosite

The relationship between the orientation of tetrahedral [SO4]2- in sulfate crystals such as barite,anhydrite, epsomite and jarosite and their morphology was studied from the standpoint of crystal chemistry,and the formation inechanisin of their morphology was analysed according to the structural orientation of tetrahedral [SO4]2- and the bonding energy between [SO4]2- and metal ions [M2+] during growth.

本文从硫酸盐类晶体中负离子配位多面体的结晶方位和相互联结的稳定性出发，探讨了硫酸盐类晶体中[SO4]2-结晶方位与晶体结晶形貌之间的关系；认为[SO4]2-四面体与金属阳离子（Ba2+、Ca2+、Mg2+…）结合时，由于晶体结构和生长条件的不同，在晶体各族晶面上的叠合速率和取向不同；晶体的结晶形貌迥然有别。

The temperature, pH and crystal seeds were found to be critical for Fe precipitation as jarosite.

结果表明温度和晶种以及溶液pH值是影响铁矾沉淀的重要因素。

But Squyres says the sulfate salts and jarosite would have made for an extremely harsh environment.

他说："我要强调的一点是："尽管那样，我还是要说那是个令人不快的地方。

The performance of potassium ammonium jarosite for zinc and indium ions adsorption in the sulfate system is investigated.

考察黄钾铵铁矾对硫酸盐体系中锌、铟的吸附性能。

The decomposition of ammonium jarosite bearing indium in NaOH medium were studied. The effects of NaOH addition, liquid-solid ratio, decomposition temperature and time on the decomposition ratio of ammonium jarosite were investigated, respectively, and the behavior of impurity elements, such as Zn, In, Cu, Cd, Pb, As, Sb, Sn and Ag in jarosite residues was also discussed.

摘 要：提出NaOH分解含铟铁矾渣新工艺，考察NaOH用量、液固比、温度和时间对铁矾渣分解率的影响，并讨论铁矾渣中杂质金属，如Zn、In、Cu、Cd、Pb、As、Sb、Sn和Ag等在NaOH分解过程中的行为。

The effect of the addition of the crystal seed in the jarosite preciptation was investigated and the results showed that the crystal seed would accelerate the crystallizing rate of jarosite formation, which convert the reaction mechanism from the crystallization kinetic rate control into the chemical reaction kinetic control.

阐述了晶种加入对沉矾影响的过程机理，认为晶种的加入加快了沉矾反应的结晶速度，使反应由结晶的动力学控制过渡到化学反应动力学控制，足量晶种加入情形下沉矾过程的活化能为94.66KJ／mol，表明了氯化物体系铁矾沉淀较硫酸盐体系中更易进行。

This paper studies the neutralize agent for zinc hydrometallurgy of jarosite process,analyses advantage and disadvantage of NH_4HCO_3 and calcine as jarosite precipitation neutralize agent,points out if used calcine removed zinc ferrite as neutralize agent,than can cut the cost and reduce zinc content in slag.

研究了湿法炼锌黄钾铁矾渣除铁工艺的中和剂，分析了碳酸氢铵和焙砂作为沉矾中和剂的优缺点，指出用除去铁酸锌的焙砂作中和剂，可降低成本，减少渣含锌。

Jarosite process can obtain high recovery rate of zinc,simultaneously,most of indium remains in the jarosite residues and a little part of indium remains in the high acidities leaching residues.

某锌精矿中铟含量很高，采用黄钾铁矾法处理该高铟锌精矿，在得到较高锌回收率的同时，大部分的铟进入矾渣，少部分进入高浸渣，从矾渣和高浸渣中可回收得到电铟。

The results indicate that both the precipitates produced by Leptospirillum ferriphium strain DY and Acidirhiobacillus ferrooxidans strain GF are composed of jarosite and ammonium jarosite. However, the content of jarosite in the precipitates synthesized by strain GF is 5.53% higher than that synthesized by strain DY, but the content of ammonium jarosite in the precipitates synthesized by strain DY is 15.24% higher than that synthesized by strain GF.

结果表明：无论是嗜铁钩端螺旋菌DY菌株，还是嗜酸氧化亚铁硫杆菌GF菌株合成的沉淀都是黄钾铁矾和黄铵铁矾的混合物；其中，GF合成的沉淀混合物中黄钾铁矾的含量比DY合成的黄钾铁矾约高出5.53%；而DY合成的沉淀中，黄铵铁矾的含量比GF合成的沉淀中的黄铵铁矾的含量约高出15.24%。

The potassium ammonium jarosite with zinc and indium is obtained by Fe3+ ion removal from the iron,zinc and indium coexisted sulphate system by potassium ammonium jarosite process.

在铁、锌、铟共存的硫酸盐体系中采用黄钾铵铁矾法除铁，得到了含锌、铟的黄钾铵铁矾，通过TG/DTA和XRD对黄钾铵铁矾及其热分解产物进行表征。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。