随着我国各项新的科学技术部门的建立,作为这些部门的原料的希有金属日益显得十分重要,因此有关希有金属的冶炼性质等方面的文献,越来越为人们所注意、所必需。在这样的时候,中译本“希有元素特性手册”(М.А.Филянд,Е.И.Семенова:Свойстваредкихэлементов,справочник.1953版,杨熙珍同志译,商务印书馆出版)的出版是适时的,是会受我们广大读者欢迎的。 With the establishment of various new science and technology departments in our country, as the raw materials for these sectors become increasingly important, the literature on the metallurgical properties of Metallurgical metals has become more and more noticed and necessary. At such a time, the publication of the Handbook of Elements of the Greek Book of Merit (М.А.Филянд, Е.И.Семенова: Свойстваредкихэлементов, справочник.1953 edition, translated by Comrade Yang Xizhen and the Commercial Press) is timely, Welcomed by our readers.