天气预报15天查询> 生活> 鉴别钻石的最简单方法

鉴别钻石的最简单方法

更新时间: 2021-02-24 16:04:11     

1、白纸鉴别法,在白纸上画线,若透过钻石能看到痕迹,就是假的;哈气鉴别法,在钻石上哈一口气,若钻石上的哈气快速散去,即为真钻。

2、油性笔画线鉴别法,用油性笔在钻石上画一下,若留下清晰痕迹的,即为真钻。

3、滴水鉴别法,首先在钻石上滴一滴水,若水滴能鼓起来,且长期不散,即为真钻。

关键词: 鉴别 钻石 简单 方法

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3285949/ | 耗时:0.0541 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3285949 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3285949 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3285949 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1096298,1120322,1106090,1090847,1073931,1082307,1062632,1057852,1120081,1078847,1103267,1063667,1048508,1121920,1068858,1092996,1108359,1122334,988667,1116769,1132615,1095702,1069281,1045464,1111502,1107575,1092770,1115301,1105884,1118851) ORDER BY field (ArticleID,1096298,1120322,1106090,1090847,1073931,1082307,1062632,1057852,1120081,1078847,1103267,1063667,1048508,1121920,1068858,1092996,1108359,1122334,988667,1116769,1132615,1095702,1069281,1045464,1111502,1107575,1092770,1115301,1105884,1118851)