其他 返回
天气预报 > 其他 > 如何测固体粉末的密度
如何测固体粉末的密度
更新时间： 2020-10-13 00:00:00  

1、用天平砝码测出粉末质量并记录；

2、把它们倒入量筒中，测出体积并记录；

3、根据公式密度等于质量除以体积，代入记录的数值即可求出密度。

关键词： 如何 固体 粉末 密度

如何测固体粉末的密度相关经验

天气预报

最新推荐

页面:/news/view-3391311/ | 耗时:0.4950 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=3391311 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3391311 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3391311 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1074618,1062094,1065739,1074851,1109372,1043756,1075539,1114166,1112776,1077112,1109965,1071821,1067265,1070498,1054934,1081065,1094815,1054388,1080235,1101115,1095137,1107062,1094817,1108051,1061610,1074923,1049576,1113417,1065928,1108401) ORDER BY field (ArticleID,1074618,1062094,1065739,1074851,1109372,1043756,1075539,1114166,1112776,1077112,1109965,1071821,1067265,1070498,1054934,1081065,1094815,1054388,1080235,1101115,1095137,1107062,1094817,1108051,1061610,1074923,1049576,1113417,1065928,1108401)