24小时热门版块排行榜    

北京石油化工学院2026年研究生招生接收调剂公告
查看: 412  |  回复: 3
当前主题已经存档。
【有奖交流】积极回复本帖子,参与交流,就有机会分得作者 liangqiuxia33 的 1 个金币

liangqiuxia33

金虫 (小有名气)

[交流] 求助:复合溶剂的介电常数计算方法

请问哪位虫友有复合溶剂的介电常数计算方法?出处在哪?是用体积百分数还是摩尔百分数?谢谢了!
回复此楼
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

xmuxiaoyu

金虫 (著名写手)



liangqiuxia33(金币+1,VIP+0):谢谢 4-2 23:06
The problem of relative permittivity of mixed solvents (denoted by  for simplicity)
was theoretically studied by Debye and Onsager [34]. Onsager derived the following
equation:
This equation can be written with good approximation as , indicating
that the permittivity of the mixed solvent changes linearly between A and
B, if it is plotted against the volume fraction of the constituent solvents. When
the interaction between the constituent solvents is weak, this linear relation holds
well. However, when the interaction is strong, a large deviation from linearity is
observed. Figure 2.9 shows the relationship between the relative permittivity and
the volume fraction of mixtures of water and organic solvents. Because acetonitrile,
acetone and tetrahydrofuran interact only weakly with water, near-linear relations
are observed for their mixtures with water. However, for DMSO and DMF,
which readily interact with water, large deviations from linearity are observed.

公式贴在这里乱码,给你的邮箱地址我,我给你发过去
2楼2009-04-02 06:23:51
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

liangqiuxia33

金虫 (小有名气)

3楼2009-04-02 23:04:00
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

liangqiuxia33

金虫 (小有名气)

请版主删除该贴,谢谢
4楼2009-06-01 13:35:05
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 liangqiuxia33 的主题更新
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 一志愿华东师范大学有机化学专业,初试351分,复试被刷求调剂! +6 真名有冰 2026-03-29 7/350 2026-03-30 16:36 by herarysara
[有机交流] 考研调剂 +6 watb 2026-03-26 6/300 2026-03-30 16:32 by herarysara
[考研] 0703 化学 求调剂,一志愿山东大学 342 分 +7 Shern—- 2026-03-28 7/350 2026-03-30 16:31 by nothing投稿中
[考研] 322求调剂 +9 宋明欣 2026-03-27 9/450 2026-03-30 16:15 by wangjy2002
[考研] 085600 295分求调剂 +4 W55j 2026-03-30 5/250 2026-03-30 16:13 by JourneyLucky
[基金申请] 面上5B能上会吗? +7 redcom 2026-03-29 7/350 2026-03-30 12:44 by 爱搞研究的小孩
[考研] 环境科学与工程334分求调剂 +6 王一一依依 2026-03-30 8/400 2026-03-30 11:52 by yjolah
[考研] 070300一志愿211,312分求调剂院校 +4 小黄鸭宝 2026-03-30 4/200 2026-03-30 11:49 by 棒棒球手
[考研] 化学工程085602 305分求调剂 +25 RichLi_ 2026-03-25 25/1250 2026-03-30 11:02 by klasasda
[考研] 材料与化工272求调剂 +21 阿斯蒂芬2004 2026-03-28 21/1050 2026-03-30 10:52 by 晴空210210
[考研] 085600 286分 材料求调剂 +10 麻辣鱿鱼 2026-03-27 11/550 2026-03-29 21:52 by nanaliuyun
[考研] 281求调剂 +4 亚克西good 2026-03-26 6/300 2026-03-29 21:06 by 啊李999
[考研] 22408 359分调剂 +4 Qshers 2026-03-27 6/300 2026-03-29 14:16 by Qshers
[考研] 305求调剂 +8 RuiFairyrui 2026-03-28 8/400 2026-03-29 08:22 by fmesaito
[考研] 本科新能源科学与工程,一志愿华理能动285求调剂 +7 AZMK 2026-03-28 11/550 2026-03-28 21:01 by xxxsssccc
[考研] 265求调剂11408 +3 刘小鹿lu 2026-03-27 3/150 2026-03-27 20:53 by nihaoar
[考研] 298调剂 +3 jiyingjie123 2026-03-27 3/150 2026-03-27 11:57 by wxiongid
[考研] 314求调剂 +3 溪云珂 2026-03-26 3/150 2026-03-27 11:20 by sanrepian
[考研] 一志愿河工大 081700 276求调剂 +4 地球绕着太阳转 2026-03-23 4/200 2026-03-26 14:27 by zzll406
[考研] 一志愿哈工大,085400,320,求调剂 +4 gdlf9999 2026-03-24 4/200 2026-03-25 23:01 by boxking200
信息提示
请填处理意见