在十九世纪的後半期和二十世纪的初期,两种俄罗斯智慧的伟大发现创造了自然科学的新纪元,它们对於自然科学的进步的、强有力的发展发生了极其深刻的影响。其中之一是化学家季米特里·伊凡诺维奇·门德列叶夫的伟大发现,他揭露了无机世界的一般规律——化学元素週期表。这种发现为更进一步地研究物质构造奠定了 In the latter half of the nineteenth century and the early twentieth century, the great discovery of two Russian wisdom created a new era of natural sciences that had an extremely profound impact on the progressive and powerful development of natural sciences. One of them was the great discovery of the chemist Dimitri Ivanovich Mendeleev, who uncovered the general rule of the inorganic world - the periodic table of chemical elements. This discovery has been laid to further study the physical structure