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汕头大学海洋科学接受调剂
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Jaden0926

银虫 (小有名气)

[求助] 关于溶质分配系数概念的疑惑 已有1人参与

在Kurz的《凝固原理》一书中常常谈到溶质分配系数k这个概念,在该书中k定义为固相浓度除以液相浓度。
我的疑惑是:此处的固相浓度和液相浓度是指什么?
如果是指固相与液相各自所占比例,那么为什么说k<1时,固相中的溶解度小?
如果是指某元素分别在固相与液相中的浓度,那么是否就会对于不同元素存在不同的k值?
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dickliu7

铁杆木虫 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
Cs?cCl?????????????????????w????c??B???????w?????????F??????????????w????c??????????w????????????w?@?????????w????r??
???????????|(k<1?r)????????????????w????^?????????????????N?????B??????????w?Д??裬?@?r????????????w????????l??????????????????
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k<1 ??????????D?е??????????c?????????????????????????w???????w???????????w???????^С??

??????N???|?c????????D?????k???????????????????|???????c????K?????(?n?????????????)??????k????????????????ǜ????????
2楼2018-10-16 21:53:50
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Jaden0926

银虫 (小有名气)

???????:
2?: Originally posted by dickliu7 at 2018-10-16 21:53:50
Cs?cCl?????????????????????w????c??B???????w?????????F??????????????w????c??????????w????????????w?@?????????w????r??
???????????|(k&lt;1?r)????????????????w??? ...

лл????
????????????????????????м??????
1.????k<1?????????????????Kurz?????п??????????????????????????????????????????????????????????????Cu-Ni????У???Ni?????????k???????1????Cu??????????С??1?????????
2.??k<1??????ǹ?????????????????????????ǹ?????????????????????
3.????????????????k??????μ???????????????????
3楼2018-10-17 10:05:45
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dickliu7

铁杆木虫 (著名写手)

???????:
3?: Originally posted by Jaden0926 at 2018-10-17 10:05:45
лл????
????????????????????????м??????
1.????k&lt;1?????????????????Kurz?????п??????????????????????????????????????????????????????????????Cu-Ni????У??? ...

1. ??????@????????|??B%(?M????)?????ι??????D???v???????k<1???????k>1???????k?????????1?????????????^??????B?????????|??????k>1??
?????????????????D???@?r?????????????????????|?????A??B??????????????????????r??B????????A??????|?????Nk??С?1???k?????V??
????????????|(?????B???)?????wB?????^?????ǹ??wB?????^???


2. ?????????????@??????D???????? ??????????????????????????????????????????^????????

3. ???J????????????F????w????????????μ?????????????????????????????

4. ???????????????D????????D??Щ??t???????????????????
4楼2018-10-17 11:59:34
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Jaden0926

银虫 (小有名气)

???????:
4?: Originally posted by dickliu7 at 2018-10-17 11:59:34
1. ??????@????????|??B%(?M????)?????ι??????D???v???????k&lt;1???????k&gt;1???????k?????????1?????????????^??????B?????????|??????k&gt;1??
?????????????????D???@?r??????? ...

?????л?????????????
5楼2018-10-17 15:29:02
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iro_ste_met

新虫 (著名写手)

???????:
4?: Originally posted by dickliu7 at 2018-10-17 11:59:34
1. ??????@????????|??B%(?M????)?????ι??????D???v???????k&lt;1???????k&gt;1???????k?????????1?????????????^??????B?????????|??????k&gt;1??
?????????????????D???@?r??????? ...

?????????????????????????λ???????

????С???Android?????
6楼2018-10-17 20:39:23
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