And yet pure iron is scarcer than gold or diamonds.
然而纯铁比黄金或金刚石还罕见。
Pure iron is not used in industry because it is too soft.
纯铁太软，所以不用在工业上。
Pure iron is not used in industry because is too soft.
纯铁太软，所以不用在工业上。
Pure iron is not used in industry while it is too soft.
纯铁很软，所以不用于工业。
The nitrided layer of pure iron consists of compound layer and diffusion layer.
纯铁渗氮层则由化合物层和扩散层组成。
Huamao Changs pure iron specifications, the whole variety, quality distinctions.
华茂昌公司的纯铁规格多、品种全、质量优。
So the correct carbon steel forging temperature range does not include industrial pure iron.
碳钢正确的锻造温度范围应不包括工业纯铁。
The mechanism of hydrogenation of nitrogen into ammonia was discussed on the pure iron surface.
讨论了在纯铁催化剂上，氮分子和氢分子逐步合成氨的反应机理。
The qualified industrial pure iron whose carbon content is below 0.025% has been made in laboratory.
在实验室中制备出含碳量低于0.025％合格的工业纯铁。
In this paper, the effect of additive boron on the diamond synthesized using pure iron powder catalyst was studied.
本文研究了添加剂硼对纯铁粉末触媒合成金刚石的影响。
The initial oxidation of pure iron and implanted samples which were overlapped energy ion–implanted with C ions was studied by auger electron spectroscopy (AES).
用俄歇电子能谱 （AES）研究高真空室中纯铁和多能量叠加注碳纯铁表面与氧气吸附及初始氧化过程。
In this paper the morphology and properties cf the transition zone between the, boride zone and the matrix of pure iron, carbon steel, low alloy steel are studied.
研究了纯铁、碳钢及低合金钢的渗硼层与基休之间形成的过渡区的组织和性能。
A new way for making industrial pure iron is put forward. It includes three steps-hot metal granulation, solid state decarbonization and electric furnace melting down.
本文提出一种铁水粒化-固态脱碳-电炉重熔制备工业纯铁的新工艺。
Mssbauer measurements have been carried out for pure iron powder samples, the whose surface was implanted with nitrogen ions by plasma source ion implantation techniques.
采用等离子体源离子注入方法，将氮离子注入纯铁粉中，对样品进行穆斯堡尔谱研究。
Pure iron membranes were pre-charged with hydrogen at various current densities. Effect of hydrogen on the film formation process on iron was studied by electrochemical methods.
采用电化学、光电化学和交流阻抗等方法研究了氢对纯铁钝化膜形成过程和电子性质的影响。
The red color of modern lipstick can come from synthetically derived pure iron oxide (one of the components of rust), however most leading brands use the more economical synthetic colors.
现代红色唇膏可以来自综合所得纯铁氧化物(无锈的一个组成部分)，但最领先的品牌使用更经济的合成颜色。
The method, which is delicate and convenient, it is not easy to be disturbed by matrix and it is fit for determine microelement - cooper and silver in pure iron and high temperature alloy.
此方法灵敏简便，受基体干扰程度小，适于纯铁高温合金中微量铜、银的测定。
Compared with pure iron catalyst, the iron oxide coating obviously restrained diamond nucleation and with the increasing of the thickness of the coating the restraining became more obvious.
与纯铁触媒相比，氧化铁包覆层对金刚石成核具有明显的抑制作用，而且随着包覆层厚度的增加，抑制作用更明显。
Using sponge iron reduced by iron ore concentrate powder as raw material, the smelting process of pure iron is investigated through non vacuum induction furnace and vacuum induction furnace.
以由铁精矿粉直接还原出来的海绵铁为原料，以非真空感应炉和真空感应炉为冶炼设备，对纯铁的冶炼工艺进行了研究与试验。
Moreover, once it has done its job, the iron in ferrates precipitates too, as iron oxide, leaving pure water behind.
此外，当它的使命结束后，高铁酸盐中的铁离子也会以氧化铁的形式沉淀，过滤后就是洁净的水了。
It is common knowledge that iron has little use in its pure state.
大家都知道纯态的铁几乎没有用处。
The producing methods of CG cast iron were discussed and pure magnesium and cored wire will be used as a main way to treat cost iron.
在列述蠕墨铸铁生产技术时，认为用纯镁及喂线法进行蠕化是今后获得蠕墨铸铁的主要方法。
A known element, say a piece of iron, for example, is heated from pure gas flame.
一块已知的元素，比如说铁，会在纯净的气体下燃烧，一直加热到有射线放出。
B as is the case with iron, silicon and germanium in their pure state are of little use in industry.
和铁的情况一样，纯净状态的硅和锗在工业上几乎没什么用途。
The influence of Lanthanum, Cerium, Yttrium, Praseodymium and Neodymium on weld hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron was studied.
研究了纯镍铸铁焊条冷焊时，稀土金属镧、铈、镨、钇及钕对焊缝热裂纹敏感性的影响规律，并分析了铈对焊接接头力学性能和加工性能的影响。
The results show that pure aluminium, iron and nickel are relatively good for such electrical leads, and optimization of the geometrical parameter of the leads is more significant than…
结果表明，铝、铁和镍等纯金属材料作电流引线较好，但是引线最佳尺寸的选择比材料的选择更为重要。
Pure nickel, excellent general properties. Used to weld thin cast iron part repair welding machined surface, such as guided way of machine tool.
纯镍，综合性能好。铸铁薄件及加工面补焊用，如机床导卫。
Wrinkle recovery Angle (elastic recovery Angle) and strength loss are two important indexes of no-iron finished pure cotton fabric.
全棉免烫产品的折皱回复角(弹性回复角)和强力损失是两个重要指标。
Wrinkle recovery Angle (elastic recovery Angle) and strength loss are two important indexes of no-iron finished pure cotton fabric.
全棉免烫产品的折皱回复角(弹性回复角)和强力损失是两个重要指标。
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