文章从总量及浸出性质两个方面分析了现有的重金属测定方法,并通过试验分析了各方法的特点与适用性。
Three analysis methods to detect heavy metals in cement including total amount and leaching characteristic were studied.
浸出结果:采用雾化布液的液计浸出率70.67%,试验数据表明雾化布液均匀性好,某铀矿石浸出性能较好。
After experiment, liquid leaching rate is 70.67%. The experiment results show that solution distribution uniformity of spray sprinkling is fine, and the uranium ore leaching character is good.
毒理学风险评估的重要性是为了确保这些浸出物不会对药品的稳定性和有效性产生负面影响。
The importance of the toxicological risk assessment is to ensure that these leachables do not adversely affect the stability or efficacy of the drug product.
浓酸熟化-高铁淋滤浸出法对我国铀矿石具有很强的适应性,是一种可与常规搅拌浸出法相竞争的粗粒矿石提取技术。
And the AFL process has a wide applicability to China's uranium ores, being in competition with the traditional agitation leaching process for treating coarse ores.
本文通过多组分多相平衡模拟研究和盐酸加压实验研究两方面的结果,对浸出过程的平衡成分控制和粉化率的控制规律获得一系列规律性认识。
We have got some recognition about rule on control of equilibrium results and pulverulent ratio in leaching process by Multcomponent Multphase equilibrium simulation research and leaching experiment.
与其他菌株相比,K1菌株表现出很强的金属耐受性,最终浸出率可达93%。
K1 strain showed an excellent heavy-metal resistance compared with the other two strains and a final bioleaching rate of 93% could be achieved with it.
在地下溶浸采矿中,为了改善受浸矿堆的渗透性,加快浸出速度,提高浸出效果,需将矿岩爆破至一定的块度。
When in underground mine leaching, in order to improve permeability of heap leaching, speed up leaching and improve leaching effectiveness, ore should be blasted to certain fragmentation.
该工艺与硫酸选择性浸出相比具有金属浸出率高、分离彻底、易分别回收等优点。
Compared with selective acid leaching, this process has the advantages of high extraction, completely metal separation and metal recovery easily.
文章对广西河池氧化锌矿进行了浮选分离和硫酸浸出试验,初步探讨了该氧化锌矿石的可选性。
In this paper, flotation separation and sulfuric acid leaching of Zinc Oxide ores from Hechi in Guangxi province were studied, and the seperatability of this Zinc Oxide ore was discussed.
本文就黄峰岭露天矿改用原地爆破浸出的可行性和必要性进行探讨。
The feasibility and necessity of using in-situ leaching after explosion in Huangfengling open pit was explored.
本课题研究了铜镍合金纯氧选择性浸出过程中的热力学的影响因素。
The technology of copper-nickel alloy oxygen selective leaching has been used in industrial production in JinChuan Company.
木材浸出物对于木材材性和木材利用都有重要影响,而且在树木化学分类上也有重要意义。
Wood extractives exhibit significant effects on wood properties and hence its utilization. They also play an important role on the chemotaxonomy of tree species.
助渗剂以表面活性剂为主体,目的是提高溶浸剂的渗透性和浸出工艺的效率。
The permeation-promoters are added, which consist of different surfactants, to increase the permeability of fluid and the leaching efficiency.
测定其水溶性浸出物和吸湿性,及其堆密度、休止角,考察其填充性和流动性状况。
Measure water soluble extract and humidity-absorption, pile concentration and dormant Angle, investigate its fill and flow.
本文提出了蕹菜-多花黑麦草轮作治理浸出油厂废水的植物净化塘模式,讨论了本方法的可行性、效益及特点。
The pattern of plant purifying pond about wastewater treatment of oil factory with water spinach is provided and the feasibility, effectiveness and property of the way are also discussed.
通过对平转浸出器转子链条安装形式的改造,解决了原有转子链条拆卸困难且危险性高等缺点;
By changing the installation form of rotor chain, the primary shortcomings of difficult disassembly and high danger were solved.
由于选择性浸出,镉浸出液中的镍钴铁离子浓度很低,电解回收镉时可以提高电流密度。
Because of selective leaching of cadmium, Ni, co and Fe ion concentrations in cadmium-rich leach solution are so low that the electrolytic current density of cadmium can be raised markedly.
实践证明在预定的最佳电位范围进行选择性浸出,能将98%以上的贱金属转入溶液,贵金属则留在渣中而实现贵贱金属的有效分离。
We have practised that more than 98% base metals were dissolved in the solution in the optimal potential range and the precious metals remained in the residue were separated from base metals.
二氧化硫作还原剂,用碳酸铵溶液可实现从钴壳中选择性浸出镍、钴和铜。
Selective leaching of nickel, cobalt and copper from cobalt crusts was attained by using ammonium carbonate solution and sulfur dioxide gas as a reductant.
研究了在堆浸工艺中氧化铜矿石粒级大小与浸出率之间的相关性。
The correlation between the particle size of oxidized copper ore and its metal extraction rate in heap leaching process was studied.
并以一种特殊的含砷溶液“铟冶金浸出液”为研究对象,试验研究了选择性硫化沉砷的工艺条件。
Furthermore, the process conditions for eliminating arsenic from a specific arsenic-containing solution "indium metallurgical solution" were studied through experiments.
采用细菌和化学浸出方法研究金堆城低品位辉钼矿的可浸性。
The leaching performance of the low grade molybdenite from Jinduicheng Mine is investigated by both bioleaching and chemical oxidation leaching process.
本文研究了低硫高冰镍常压选择性浸出的动力学过程。
In present work, a kinetic study on selective leaching of low-sulfur Ni-Cu matte at atmospheric pressure was conducted.
涂层可用于改善植入物的生物相容性,防止植入物的松弛,减少金属离子从金属植入物的浸出及减少腐蚀。
The coatings can be used to improved biocompatibility of the implant, prevent loosening of the implant, reducing leaching of metal ions from metallic implants, and reduce corrosion.
并且探讨了用这种纤维富集稀土离子矿浸出液的可能性。
It has also been inquired into the possibility of concentration of the dilute extracted solution of ionic rare earth ore.
布液浸出技术是原地爆破浸出工艺的关键技术之一。布液方法选择是否合理直接关系到溶液分配的均匀性,从而影响浸出效果。
The technique of lixiviant distribution is one of the key technologies in stope leaching, which can directly affect the uniformity of lixiviant spreading and leaching effect of metal.
探讨了乳状液膜从稀土浸出液中提取稀土的可能性。
The present paper explores the possibility of extracting rare earths from a leachate of rare earth ores by emulsion liquid membrane.
阐述高、中含油植物油料直接浸出的可能性。
It also discussed the possibility of high and medium oil containing seeds by direct solvent extraction.
阐述高、中含油植物油料直接浸出的可能性。
It also discussed the possibility of high and medium oil containing seeds by direct solvent extraction.
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