天气预报 > 其他 > 莫桑钻又叫什么
莫桑钻又叫什么
更新时间: 2020-11-02 00:00:00  

莫桑钻又叫莫桑石,莫桑钻(SquareSiliconeMoissanite),化学名称叫合成碳化硅,其外表和金刚石相似,需用至少10倍的放大镜观察其内含物来辨别。莫桑钻最初是由美国C3公司投资4500万美元开发、研究,1998年6月推出的专利产品,2016年其专利保护已到期,目前世界各国都在生产莫桑钻。其化学成分为SiC,近于无色,折光率2.56-2.69,色散0.104,双折射率0.043,硬度9.25,密度3.22克/立方厘米。

关键词: 什么

莫桑钻又叫什么相关经验

天气预报

最新推荐

页面:/news/view-318736/ | 耗时:0.5789 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=318736 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=318736 LIMIT 0,1
select * from tbl_Articles_sphinx where id=318736 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1074340,1080747,1045161,1080114,998502,1088544,1073526,1063467,1047980,1073497,1075482,1073937,1074147,1074686,1068268,1067715,1064323,1073041,1119159,1077164,1041607,1051135,1085116,1053494,1065683,986890,1049344,1103997,1072431,1045314) ORDER BY field (ArticleID,1074340,1080747,1045161,1080114,998502,1088544,1073526,1063467,1047980,1073497,1075482,1073937,1074147,1074686,1068268,1067715,1064323,1073041,1119159,1077164,1041607,1051135,1085116,1053494,1065683,986890,1049344,1103997,1072431,1045314)