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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......

本文指出了目前国内二氧化碳灭火系统生产和工程设计等方面存在的喷头、附件当量长度和容器内CO2剩余量及设计安装中的问题，并提出......

低压气集输技术是高中产气田开发后期必然遇到的问题之一，而煤层气、某些浅层天然气、某些边际气田的开发，从一开始就必须解决低压集......

探讨了低压快速离子色谱仪在牙膏氟含量测定中的应用，选用Ｃ１阴柱，Ｎａ２ＣＯ３作流动相分析Ｆ＾－离子。检出的限，变异系数，回归率，线性回归系数均符合要求。......