...

In recent years,to product ultra-low carbon steel,vaucuum refining processes are widely used for deep decaburization,des......

YBa2Cu3O7-δ(YBCO) coated conductor are highly expected as a promising candidate for high performance tapes which could ......

CO2 is an attractive C1 building block in organic synthesis as it is naturally abundant,economical,non-toxic,and nonflam......

Monazites from low-pressure pelitic granulite of the Jingshan Group in the Jiaobei terrane were dated by the electron mi......

针对耐磨构件，尤其是齿轮等机械构件质量低和生产成本高的现状，为温低压渗碳新工艺。经过实验研究，表明变温低压渗碳技术比一般渗碳技......

研究了变温低压（真空）渗碳技术的可行性和相关工艺。在自制的装置上进行了工艺试验，并对试验结果进行测试分析。试验结果表明变温低压......