您要查找的是不是:
- 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。
- Probably you never saw the silver-white metal, pure iron. 你大概从未见过那种银白色的金属,即纯铁。
- Meanwhile, there are some pure iron beads and pure glass beads with good sphericity and smooth surface. 同时出现一些球形度好、表面光滑的纯铁珠和纯玻璃珠。
- With the same cleanness, the undercooling of high clean steel is smaller than that of pure iron. 在洁净度相同的情况下,高洁净钢形核凝固的过冷度比纯铁小。
- A method has been studied for simultaneous determination of eight impurity elements Cr,Cu,Mg,Mn,Mo,Ni,Ti and V in pure iron by ICP AES. 本文研究了用ICP-AES法同时测定纯铁中8种杂质元素:Cr、Cu、Mg、Mn、Mo、Ni、Ti、V的分析方法。
- Wang S G,Long K,Long Q W.Refinement of pure iron grain by severe rolling[J].Acta Metallurgica Sinica,2003,39 (12):1 247-1 250. [12]王胜刚;龙康;龙期威.;深度轧制细化工业纯铁[J]
- Microstructure evolution of shear bands originated from high strain,high strain rate deformation in electromagnetic pure iron DT4 had been examined. 结果表明:在压痕周围形成离散的剪切带,形变引起了块状非晶合金局部自由体积增加。
- The room temperature saturation magnetization of theFe-N films deposited under these conditions is as high as 2179 emu/cc, which ismuch higher than that of pure iron, 1714 emu/cc. 在此条件下制备的Fe-N薄膜的饱和磁化强度,室温下高达 2179 emu/cc,远高于纯铁的饱和磁化强度值 1714 emu/cc。
- 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。
- The pure iron melt was deoxidized by metallic aluminium or silicon in a Mo wire resistance furnace and the specimens containing different oxide contents were obtained. 为了给高洁净钢连铸细晶技术提供相关理论依据,在高温钼丝炉中通过对电解纯铁加金属铝和硅脱氧,获得不同铁液洁净度的试样。
- Based on the MD simulation to liquid pure iron at 1873 K, a MD system was mapped onto DPD system, the simulation to liquid pure iron with DPD was achieved successfully. 在对1873K液态纯铁进行MD模拟的基础上,将MD体系与DPD体系进行了对应,实现了在液态纯铁体系中进行DPD模拟。
- In order to synthesize boron-doped diamond, different ratio of amorphous boron powder was added into the system of graphite and pure iron powder, and mixed equally. 实验中将不同比例的无定形硼粉直接添加到石墨-纯铁粉末体系中并均匀混合,以此方式,将硼掺杂到高温高压合成的金刚石单晶中。
- It was pure luck that he was home when we called. 非常幸运,我们打电话时他在家里。
- The results show that dynamic recovery and dynamic recrystallization have occurred in pure iron during plastic deformation , which were attributed to adiabatic temperature rise due to shock wave and plastic deformation work . 结果表明 :塑性变形时纯铁内发生动态回复和动态再结晶 ,这与冲击波引起的绝热温升和塑性变形功产生的绝热温升有关 ;
- Transition pressure of this alloy obtained in the experiments(6.3~6.9 GPa) is much lower than that of pure iron(13 GPa),which demonstrats that the addition of Mn and Ni may lower the transition pressure strongly. 得到的FeMn-Ni合金的相变阈值压力为6.;3-6
- 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。
- This index was prior to that of reverse flotation in Lunan Mining Company.Through the measurement on pure mineral by the Zeta-potential, points of zero charge of quartz and pure iron ore were found. 通过对纯矿物的Zeta-电位测定,确定了石英和纯铁矿的零电点,并对比了SR与铁矿作用前后Zeta-电位的变化和钙离子对石英Zeta-电位的影响,其结果说明:在中性和碱性条件下,SR对铁矿Zeta-电位影响较小或两者变化趋势一致;
- 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。
- The rolling texture developments in commercially pure iron and deep drawing steel sheets were investigated by means of orientation distribution function (ODF) and quantitative fibre texture analysis. 本文利用取向分布函数(ODF),取向线分析和纤维织构定量分析研究了工业纯铁和超深冲钢板冷轧织构的变化过程;