The cupola-induction furnace duplex melting process can be used to increase the inoculation effect. 采用冲天炉感应炉双联熔炼能提高孕育效果。
The molten iron of stable temperature and composition is obtained und the condition that adopting duplex melting technology and ladle desulphurizing with porous plug process. 采用双联熔炼工艺,多孔塞法炉外脱硫,获得温度和成分稳定的铁液;
Correspondingly, the tensile strength and hardness of castings made by the short-cut duplex melting process were higher. 生产的铸件强度和硬度均增加,且硬度的增幅大于强度。
The duplex melting process by Blast and Medium-Frequency Induction Furnaces for cast iron production has been studied. 对高炉-中频炉双联短流程熔炼生产铸铁件工艺进行了分析研究。
In the duplex catalyst/ nitrogen system the method was complicated and the reaction time was long, but the process was comparatively steady, so it was suitable for the industry scale. 复式催化剂/氮气体系装置较复杂,反应时间较长,但是反应过程稳定,较适于大规模工业生产。
Duplex melting process of converter and its features 转炉双联法冶炼工艺及其特点
Gamma irradiation did not influence the quantity of eupyrene sperm bundles in duplex and that of eupyrene sperm in spermatophore, but affected the maturing process of eupyrene sperm bundle. 辐照没有影响棉铃虫雄虫复射精管中有核精子束的数量和雌虫精包中有核精子的数量,但影响了有核精子束成熟的过程。
In the system of plating duplex nickel layers, the electrode process of Ni2+ reduction and the adsorption of additives on the electrode surface are studied dy means of polarization curves, differential capacity curves of electric double layer, cyclic voltammetry and transient galvanostatic method. 本文用极化曲线、双电层微分电容曲线、循环伏安法和恒电流暂态法研究了双层镀镍体系中,镍离子还原的电极过程和添加剂在电极表面的吸附作用。
Through the duplex decomposition phase diagram analysis, necessary conditions generating the purified salt are described, principal production flow process of duplex decomposition is introduced, and analysis is made on application example using phase diagram of different systems. 通过对复分解相图的分析,阐述了纯净盐生成的必备条件,介绍了复分解生产原则流程,用不同体系的相图,对应用实例进行了分析。
On an extension contraction type dextral strike slip duplex system in Western Nansha waters, south China Sea and its dynamic process 南沙西部海域伸缩型右旋走滑双重构造系统及其动力学过程
The technical feature of duplex melting process of converter was described. 阐述转炉双联法冶炼工艺的主要技术特点,重点介绍了与常规转炉冶炼相比,双联法冶炼工艺及其消耗指标的优越性。
The short-cut duplex melting process contributes to the undercooling trend of iron melt, interacts with and has the same order of magnitude with processing parameters such as ratio of charges, fluctuation of composition, superheating temperature and holding time et al. 短流程熔炼有增大孕育前铁液过冷倾向的趋势,对铁液状态的影响与炉料配比、成分波动、过热温度和保温时间等因素的影响存在交互作用,其影响程度为同一量级。
The duplex process for steel making has a bright future in the development and utilization of high phosphorus iron ores in China. 转炉双联工艺对于处理国内的高磷铁矿具有良好的应用前景。
Therefore, it is very difficult to investigate the welding of duplex stainless because of the complexity of welding process and microstructure welding joints. 焊接过程复杂性与焊缝组织复杂性使得双相不锈钢焊接研究非常困难。