In the last few decades, in the industry such as automobile, aerospace, micro-electronics, there is an increasing demand for the material of high heat resistant, so as to replace the metal and ceramics. 在过去的几十年中,汽车、航空航天和微电子工业对这种耐热性材料的需求不断增长以代替金属和陶瓷。
Illustrates the design features of China's first coal fired ultra supercritical utility boiler. Discussion and analysis have been made concerning the steam parameters, firing method, water wall design, high heat resistant steel, start up system, etc. 阐述我国首台1000MW超超临界燃煤锅炉的设计特点,并对所采用的蒸汽参数、炉膛尺寸、燃烧方式、水冷壁设计、高热强钢材、启动系统等作了探讨与分析。
It is necessary to add high heat resistant component to the coating to ensure consistent and stable release of the gas in the whole process for large aluminum alloy and Mg alloy casting. 对于大型铝合金和镁合金铸件来说,必须在配方中加入高耐热性(HHR)的成分,在整个压铸过程中才能够持久而且稳定地释放出气体。
Investigation of forming process of Ni ZrO 2 composite plating with high heat resistant properties 耐高温Ni-ZrO2复合镀层的制备及影响因素研究
A Study on High Heat Resistant(HHR) Strength Low Alloy Refractory H-Beam Steel 高耐热强度低合金耐火H型钢的研究