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用法例句

Precise determination of uranium in ores by automatic titration analyser;

全自动电位滴定分析仪精密测定矿石中的铀

Determination of BeO in ores by ICP-AES;

ICP-AES法测定矿石中的BeO

According to the technological mineralogy and mineral separation character to Zhangjiawan ores, the mineral and chemical compositions, distribution and size features of ores are described.

通过对张家湾矿体进行矿石的工艺矿物学及可选性研究 ,查明了矿石的物质组成和嵌布特征 ,确定了矿石的可选性及开采价值 ,为鞍山矿业公司提供了新的开采资源。

Pretreatment of ore samples in silver determination with AAS method;

原子吸收测定含银矿石的预处理方法

Study on mineral compositions of the ore from the Xiongcun Cu(Au) deposit in Xietongmen County,Tibet,China;

西藏谢通门县雄村铜(金)矿矿石物质成分研究及其意义

Uncertainty evaluation of silver measurement in ore samples with flame atomic absorption spectroscopy method;

火焰原子吸收法测定矿石中银的不确定度评定

Qualitative Elemental Analysis in the Minerals With the Laser Induced Breakdown Spectroscopic Method;

利用激光诱导击穿光谱技术定性分析矿石成分

This paper developed a spectrophotometric determination of micro amounts of Gallium with butylrhodamineB in lead-zinc mineral.

本文研究了用国产强碱性氯型阴离子交换树脂分离除去矿石中大量存在的Zn2 + 、Pb2 + 、Al3 + 、Ca2 + 等离子对镓测定的干扰 ,用 6mol L的HCl-抗坏血酸溶液消除Fe3 + 等高价杂质离子的影响 ,留于柱上的镓用 0 5mol LHCl溶液洗脱 ,在酸性和TiCl3 存在条件下 ,用苯萃取 ,测定GaCl4-与丁基罗丹明B形成的紫红色配合物。

In this paper,the minerals of XiaoBeiJian mine are classified orderly, and their chemical composition and guality variety are also been given a profound analysis and study.

本文对小北尖矿区的矿石给予了详细、有序的分类,对其化学成份及质量变化情况进行了深刻的分析、研究,为确定矿床成因,进一步提高地质储量提供了有力的、可靠的依据。

Determination of water soluble chloride content in iron ore by potentiometric titration with silver nitrate;

硝酸银电位滴定法测定铁矿石中水溶氯

Metallurgical properties of iron ores for Shuicheng Iron and Steel Co., Ltd;

水钢高炉用铁矿石冶金性能的研究

Study on the sintering character of iron ore and the optimization of sintering technology;

唐钢铁矿石烧结性能研究及烧结工艺优化

Determination of silver in lead ore by AAS;

原子吸收法测定铅矿石中银

The ore is lead mine of partial oxidation,the lead ore consists chiefly of galena and cerusite.

所处理矿石为半氧化铅矿石,矿石中铅以方铅矿和白铅矿形式产出,铅的氧化物主要为白铅矿,分布率达39%。

The inadaptability of spherical media and stick media in fine grinding process of tin ore is first analyzed in this paper.

分析了在锡矿石的细磨过程中球形介质、棒形介质的不适应性,提出了短柱形介质在细磨中的优势,并进一步对双球面与双平面短柱形介质进行对比磨碎试验研究,得出了双平面短柱形介质具有较好的磨碎作用,不仅能减轻锡矿石的过粉碎,解决磨不细与过粉碎之间的矛盾,还能提高合格粒级的利用系数。