手工纸花Toroid type high-pressure device: history and
六年级好词好句好段摘抄大全prospects
期刊名称: High Pressure Rearch
作者: Khvostantv, L. G.,Slesarev, V. N.,Brazhkin, V. V.
年份: 2004年
期号: 第3期
高智商儿童>沙拉酱公网地址关键词: high pressure; large-volume press; physical properties; structural study;
synthesis of new materials
英语名词所有格以天开头的成语摘要:The Toroid type high-pressure device and its predecessor, the Chechevitsa (lentil) type high-pressure device, are known to be ud efficiently for the synthesis of new materials in recent decades. It was through the Chechevitsa device the first ultraden modification of silica, 'stishovite', was obtain
ed. Both devices were esntial for the industrial production of superhard materials in the USSR and other socialist countries. In 1980s, almost half of the world synthetic diamond and c-BN products were manufactured by the devices. However, the application of the Toroid device for examining the structure and physical properties of highly compresd substances has been considerably less appreciated. Meanwhile, the device has some unique features that have made possible 35-years of an extensive investigation of physical
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