Case hardened: a case hardened fastener is a fastener of ferrous material having a surface which has been made harder than the core.
表面硬化：表面硬化的紧固件是黑色金属，其表面经过处理后比内心硬度要高。
The principle materials used for tools can be divided into three major categories: ferrous material, nonferrous material, and nonmetallic material.
用来做工具的主要材料可以被分为三大类：黑色金属材料，有色金属材料，非金属材料。
The Current research status, potential advantages and outlook of ferrous, nonferrous rare metals and precious metals material of Yunnan in 2005 are summarized and reviewed.
评述了云南省2005年黑色金属、有色金属、稀贵金属和陶瓷材料等的研究状况，分析了潜在优势并展望了未来前景。
Unlesss ferrous magnetic particles can be effectively removed, conveying liquid containing ferrous magnetic material with this product should be avoided.
除非能有效排除铁磁性微粒，否则本产品应避免输送含有铁磁性物料的液体。
Furnace lines of various industrial furnace and heating equipment in metallurgy, machine, construction and material, petrol-chemical and ferrous metal industry.
冶金、机械、建材、石油化工、有色金属等行业各类工业炉、加热装置炉衬、砖瓦隧道窑保温。
Usage: it's used as analytic reagent, developer and it could also used in pharmacy and the production of Lithium Ferrous Phosphate (a new type of battery material).
用途：用作分析试剂及显影剂、用作新型电池材料磷酸亚铁锂的生产、也用于制药工业。
In accordance with ferrous ammonium sulfate in water samples to calculate the amount of material to restore the volume of oxygen consumption, which was potassium dichromate titration reflux.
根据硫酸亚铁铵的用量算出水样还原性物质消耗氧的量，这就是重铬酸钾回流滴定法。
Moreover, CrN coating also has excellent welding resistance with non-ferrous metals, and is also applied for surface coating to cutting tools of copper material, for example.
本涂膜对有色金属有很高的耐溶接性，适用于铜材料等切削工具的表面涂膜加工。
Furnace lines of various industrial furnace and heating equipment in metallurgy, machine, construction and material, petrol-chemical and ferrous metal industry.
冶金、机械、建材、石油化工、有色金属等行业各类工业炉、加热装置炉衬。
Adopting Monsanto technology, the Daye Non-ferrous Metal Corp. has improved its traditional sulfuric acid facility from converter fume raw material.
大冶有色金属公司引进美国孟山都公司的先进技术，对传统转炉烟气制酸装置进行全新改造。
CBN content of the material of low grade and high content of CBN compared more crisp, but they are used in hardened ferrous metal processing better.
CBN含量低的材质等级和CBN含量高的相比更脆，但它们用于淬硬黑色金属加工更好。
It has passed salt fog inspection of state non ferrous metal & electronic material test center (inspection report No. : 2006002736E).
已通过国家有色金属及电子材料测试中心的盐雾检测（检测报告编号：2006002736E）。
The paper introduces the work which the author got from the development work of stress fracturing material emerged in the non ferrous metal.
通过有色金属应力断料中的开拓性工作，从微细观层次上解释了应力切断断口上裂纹源的形成，以及裂纹扩展的物理过程；
With its manufacture grinding tool, is suit to processing tensile strength low metal and the nonmetallic material, for instance n-ferrous metal, stone material, leather, rubber and so on.
用其制作磨具，适用于加工抗张强度低的金属和非金属材料，如：灰铸铁、有色金属、石材、皮革、橡胶等。
Ferrous sulphate is a wide used product of chemical industry, which was produced with waste iron as raw material in the past so that its cost was higher.
硫酸亚铁是一种用途广泛的化工产品，过去系采用废铁作原料进行生产，但成本较高。
Ferrous sulphate is a wide used product of chemical industry, which was produced with waste iron as raw material in the past so that its cost was higher.
硫酸亚铁是一种用途广泛的化工产品，过去系采用废铁作原料进行生产，但成本较高。
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