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- According to the process of low nitrogen steel, the measures which are used to prevent the absorption of nitrogen in liquid steel are analyzed. 介绍了EAF+LF/VD+CC过程低氮管坯钢生产技术,结合当前电弧炉生产低氮钢的工艺流程,分析了防止钢液吸氮的工艺措施。
- Practice on Production of Low Nitrogen Steel by EAF-LF-VD-CC Process 电炉-连铸生产低氮钢的实践
- Technology of Producing Low Nitrogen Steel by EAF-LF-VD-WF-CC Process EAF-LF-VD-WF-CC工艺生产低氮钢技术
- low nitrogen steel 低氮钢
- The adhesive has high cohesive strength,low nitrogen content and low viscosity. 该粘结剂具有粘结强度高、低氨、低粘度等优点。
- Has strong fermentation kinetics over a wide temperature range and relatively low nitrogen demands. 强发酵动力学及相对较宽温低氮的需求。
- The microstructure and mechanical properties of heat-affected zone(HAZ) of high nitrogen steel(HNS) were investigated by using thermo-simulation technique. 利用热模拟技术,对高氮钢激光焊接热影响区(HAZ)的组织和性能进行了研究。
- Higher triacylglyceride content in the lipid was observed at low nitrogen concentration. 在低氮源浓度下,油脂中三酸甘油脂之含量较高。
- Mature technologies are applied to power plants including desulfurization,denitrification and low nitrogen combustion procedures. 成熟的燃煤污染控制技术主要应用于发电厂，包括脱硫、脱氮工艺或低氮燃烧。
- Mature technologies are applied to power plants including desulfurization, denitrification and low nitrogen combustion procedures. 成熟的燃煤污染控制技术主要应用于发电厂，包括脱硫、脱氮工艺或低氮燃烧。
- After 21st DAA, ash content in the treatment with great nitrogen applying amount were higher than those with low nitrogen applying amount. 施氮量多少在籽粒灌浆前期对灰分含量影响不大,在花后21天左右,施氮量高的处理籽粒灰分含量高于施氮量低的处理。
- This paper reviews the N2-pressuried smelting technology of high nitrogen steel and describes the method of big smelting bath(BSB) which is suitable for smelting high nitrogen steel in mass production under pressure. 在综述氮气加压熔炼高氮钢技术的基础上,指出了大熔池法(BSB)适合于工业化大规模制备高氮钢;
- Through this method, the base oil yield is over 45 %, and viscosity index is 100.It contains low sulfur, low nitrogen and low aromatics. 用此种方法所得到的基础油收率在45%25以上,粘度指数100,含硫、氮、芳烃等杂质较少,降凝效果较好,有良好的工业应用前景。
- In addition, as it is more resistant to diseases and insects and has a low nitrogen requirement, less fertilizer and pesticide will be needed in future. 另外,它亦具有更强的抵抗疾病和虫害的能力。其氮需量亦相对较低。所以肥料及除虫剂的使用可在未来加以减少。
- Objective To examine the relationship between low nitrogen and/or hypocalori c parenteral nutrition and the outcome of the surgical or the critically illed patients. 目的评价低热量和/或低氮肠外营养对外科重症患者预后和费用的影响。
- Bulgaria is in a leading position in the world in the field of study and production technique of high nitrogen steels. 保加利亚的高氮钢研究和生产技术在国际上处于领先地位。
- The high nitrogen steels (HNS) were produced by plasma rotating electrode process (PREP), and the properties of HNS specimens were examined. 为了寻求高效、经济的高氮钢生产工艺,用等离子旋转电极工艺(PREP)生产高氮钢并测试了所生产的几种典型高氮钢的性能。
- At present, high nitrogen steels has been regarded as a main direction of the development of high quality metallurgic technology. 目前,高氮钢已经被认定为是发展高质量冶金技术的主要方向之一。
- In the tiller stage, the nitrogen accumulation quantity of high nitrogen treatment was obviously higher than that of low nitrogen treatment, but it was reverce after the booting stage. 在同一施氮水平和施氮方式下，增施钾肥有利于提高生育后期对氮的吸收。
- 6Cr21Mn10MoVNbN high nitrogen steel 6Cr21Mn10MoVNbN高氮钢
