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- Interaction of Rare Earths and Micro Alloying Elements Nb, V and Ti in Steel 钢中稀土与铌、钒、钛等微合金元素的相互作用
- The developments of industrial application in HSLA steel,difficulty and potential research directions of titanium micro alloying were also analyzed. 概述了钛微合金化在低合金高强钢中的工业应用进展、难点及可能的研究方向。
- This paper introduce how to develop hot rolled strip used for J55 ERW casing for petroleum by using the technology of Nb micro alloying in BaoTou CSP plant. 介绍了包钢CSP厂采用Nb微合金化技术开发直缝焊石油套管用热轧钢带J55的过程。
- Some alloying element s make the grain of steelfiner , thus increasing the hardness and st rength ofsteel. 某些合金元素可精化钢的晶体度,从而提高了钢的硬度和强度。
- Is it the only alloy element in steel? 它是钢中唯一的合金元素吗?
- Be it the only alloy element in steel? 它是钢中唯一的合金元素吗?
- The 6 micro elements B,Cu,Fe,Mn,Mo and Zn in foliar fertilizer are determined by means of a highly efficient ICPAES with the exact,reliable,simple and quick properties. 研究电感耦合等离子发射光谱仪(ICPAES)测定微量元素叶面肥中硼、铜、铁、锰、钼和锌等6种元素的方法。
- The change in strength of cryogenic austenitic steel with temperature and alloying element content was studied. 研究了低温奥氏体钢的强度随温度及合金元素含量的变化规律。
- It was pointed out that rare earth plays an important role in micro alloying, which led to the changes in the morphology, microstructure refining, and phase structure of the surface modification coatings and hence improved the properties of the coatings. 稀土元素在改性层中的作用机理为：稀土元素的微合金化作用，改变了改性层中第二相或夹杂物的形态与性能，改性层组织细化和结构因素，是材料表面改性层抗高温氧化和耐蚀性能得到改善的主要原因。
- Lead as an alloying element in copper (including brass and phosphor bronze) should less than 4 wt%. 铜合金(包含黄铜及磷青铜)中的铅允许浓度需在4%25以下。
- This method is applied to measure the content of element B with ICP/AES in the additive. 采用等离子体原子发射光谱法测定添加剂中硼含量。 硼元素是一种易挥元素,所以本方法采用密闭压力溶弹法处理样品,元素没有损失。
- Thus, the role of alloying element depends mainly on its impact on the state diagram. 因此，合金元素的作用主要取决于其对状态图的影响。
- The interfacial diffusion of alloying element is an important factor to microstructure, apparent hardness and interfacial bond strength. 元素在界面两侧的扩散是影响材料显微组织、表观硬度及界面结合强度的关键。
- The fungus to 5-fluorine cytosine (5-FC), amphoteric mildew element B (AMB), system mycetin (NYS), miconzole (MIC) is sensitive, Sensitive rate above 80%. 真菌对5-氟胞嘧啶(5-FC)、两性霉素B(AMB)、制霉菌素(NYS)、咪康唑(MIC)较敏感，敏感率均在80%25以上；
- In plain carbon steel, carbon is the only alloy element. 只有在普碳钢中，碳才是唯一的合金元素。
- In plain carbon steel,carbon is the only alloy element. 只有在普碳钢中，碳才是唯一的合金元素。
- In plain carbon steel, carbon is the only alloy element . 只有在普碳钢中，碳才是唯一的合金元素。
- After tempering treatment at different conditions,the tempering stability of Fe-base hardfacing layer containing multiple alloying element was investigated. 对多元合金铁基堆焊层的焊态试样进行不同条件下的回火后处理,研究了该堆焊层的回火稳定性。
- It has been proved that rare earth La also pe-rmeates into the layer and acts as an alloying element during the process of ni-tro-carbo-boronizing witn ion microanalysis. 使材料的耐磨性、耐蚀性获得了明显提高，离子探针检测证实，稀土元素镧也渗入了钢的表面，起到了微合金化的作用。
- The effects of alloying element phosphorus on microstructure and properties of sintered compacts of short cast iron fibres has been studied in this pa-per. 研究了合金元素磷对铸铁短纤维烧结体显微组织和性能的影响。
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- 农业及相关产业增加值 - the added value of agriculture and related industries
