排序方式: 共有41条查询结果,搜索用时 15 毫秒
41.
Josef Varda 《Crystal Research and Technology》1977,12(5):463-466
The surface structures, such as trigons and etch figures, with a complicated fine structure analogous to those of natural stones were observed. It was proved directly that the surface accessories of synthetic diamonds have their origin in etch processes. The consequences for natural diamonds are discussed. 相似文献