ferrous

Determination of Zinc and Ferrous Ion in Drugs by Ion Chromatography

离子色谱法检测含锌和含铁的药物

Argon serves as a shielding gas to protect metals from oxidation during welding . Inert gas welding is the preferred method of joining several ferrous and nonferrous alloys .

焊接中，氩作为保护气防止金属氧化。惰性气体焊接是连接几种含铁和不含铁的合金的首选方法。

Among other reagents used have been titanousion , a mixture of ferrous ion , oxygen , ascorbic acid , and ethylenetetraaminetetraacetic acid .

使用过的其它试剂有亚钛离子、亚铁离子氧，抗坏血酸和乙四胺四乙酸混合物。

Development of New Ferrous Shape Memory Alloy with High Memory Effect

高记忆性能铁基形状记忆合金研制

Several Thinking about the Development of Non Ferrous Mineral Industry

有色金属矿业发展的几点思考

Experimental Study on Treatment of Acidic Wastewater Containing High Concentrated Ferrous Ion

高浓度酸性含铁废水处理的试验研究

This paper studied Ag assay method in ferrous copper .

研究了黑铜中银的分析测定方法。

Development of Statistics Annual Report Software for non - ferrous geological exploration

有色地质勘查统计年报软件的开发

Neural Network Process Control on Non Ferrous Melting Furnace

有色冶金窑炉中的神经网络过程控制

Numerical simulation of ferrous metal mine 's filling method

某黑色金属矿山充填采矿法的数值模拟

The Thin Layer Phosphate Coating Process for Ferrous Metal Surface at Room Temperature

黑色金属室温薄膜磷化工艺研究

Research development of laser surface alloying on ferrous substrate

铁基材料激光表面合金化研究进展

Establishment of the Index System of Clean Production Assessment of Ferrous Metal Mines

黑色金属矿山清洁生产评价指标体系的建立

Effect of Reaction Time on the Composition of Ferrous Oxalate

合成草酸亚铁的反应时间对组成的影响

World Mine Output of Selected Non Ferrous Metals ( 1988 )

几种有色金属输出情况（1988）

Studies on the Effect of Ferrous ion on Quality of Phosphating Film

亚铁离子对磷化膜质量影响的研究

Middle and small enterprises bring more opportunities for the non ferrous industry ?

中小企业板开设给有色带来几多机遇？

Non ferrous : who are the next adjust and control ones ?

有色金属：下一个调控的会是谁？

The Development of Polyfunctional Surface Treatment Fluid for Ferrous Metal at Normal Temperature

常温多功能黑色金属表面处理液的研制

Warm Compaction Process of Ferrous Materials Offers High Density

铁基材料高密度温压工艺

Study on Resource Recovery Processes of Flue Gas Desulfurization by Ferrous Sulfate

资源回收铁法烟气脱硫工艺过程研究

Refractories for non - ferrous metal industry and its development

有色金属冶炼炉用耐火材料及其发展

Situation of non - ferrous metal mines is very severe .

中国有色金属矿山资源形势严峻。

Suitable for welding ferrous metal workpiece with general AC electrode .

适合使用一般交流电极焊接黑色金属工件。

Advances in ferrous metal ore dressing technology abroad in the 1980s

80年代国外黑色金属矿选矿技术水平

A Study of Cutting Ferrous Metals with Diamond By Ultrasonic Vibrating

超声振动金刚石切削黑色金属研究

Study of structure and properties of ferrous sintered cam materials after laser surface quenched

激光表面淬火后铁基烧结凸轮的组织与性能研究

Preparation methods and tribological behavior research of ferrous sulfide coatings were reviewed .

描述了硫化亚铁固体润滑涂层的制备方法及摩擦学性能。

Determination of Ferric and Ferrous by Chemiluminescence 3 / Flow Injection Method

化学发光法-流动注射联用测定总铁离子

A new producing technology of potassium sulfate from ferrous sulfate is reported .

以七水硫酸亚铁为原料，采用改良二步复分解法新工艺制硫酸钾。