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?????? DSC(Different Scanning Calorimetry)? ????? ???? ??? ???.
?????(???? ??? ????)? ????? ??? ??? ??.??
1. ????
2. ????
3. ????
4. ?? ? ??
5. ?? ? ??
6. ?? ??(????)
7. ?? ??(????)
8. ????????
1.?? ??
2008? 11? 7? (?)
2.?? ??
- DSC (Different Scanning Calorimetry)
3.????
???????? ????, DSC? ????? ??????? ?????.
4. ?? ? ??
* ??? : ??? ??? ?? ??? ?? ??? ??? ??? ???? ????? ???? ??? ??? ??? ??? ?, ?? ????? ??? ??? ?? ?? ?? ????? ????. ?????, ?? ????? ??? ?? ??? ?? ??, ???? ???? ??? ?? ?????? ??? ??? ???? ?????? ???? ?? ?? ??? ??? ???? ?? ???.
? ????? ?? ????? ?? ¢ÙDSC(Differential Scanning Calorimeter), ¢ÚTGA(Thermo Gravimetric Analysis), ¢ÛTMA(Thermo Mechanical Analysis), ¢ÜDTA(Differential Thermal Analysis)? ?? ? ??.
¢ÙDSC : sample? reference? ??? ?????? ??? ???? ??? ??? ?? (??? ???? ???? ?? ?????? ??)....
DSC (Differential Scanning Calorimeter, ????????)
: ????? ??? ??? ???? ?? ???, ??? ??? ????, ???? ??? ,??? ??? ???? ??? ?? ?? ????? ????. ...
*??: DSC? ??? ?? ????? ????? ?? ??? ??? ????, ???? ????. ??, ????? Pt ???? ????? ???? ??? ???? ??? ??? ???.
*??: ???? ??, ??? ??? ??? ???? ?? ??? ???, sample, reference ? ?? ??? ? ??? ??? ?? ??? ????? sample holder ??? ?????? ????? ??.
*????: ????? ??? ?? ????, ??? ?? ?? ??? ?? ????? ????? ????? ?? ????.
5. ?? ? ?? (????)
<???? ?> <?????? ??? ???>????
¡¤ -??? ?, `????? I`, ???, 1995??
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Ai ???????? ??? ? ?? ?? ??? ??? ?????. ??, ??? ??? ?? ?? ??? ?? ??? ? ???? ??? ????. ??? ??? ? ?? ??? ??? ??, ??? ??? ??? ??? ? ?? ?? ???????. ???? ???? ? ?????? ??? ??? ?????! -
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?????? ???? ??? ??? ???? ???? ??? ???? ???, ??? 4?? ???? ??? ? ?????? ????.
???? ???? ??? ?? ??? ?? ?? ??? ??? ????? ??? ?? ??? ????? ?? ?????? ?? ???? ?? ?? ?? ??? 70% ?? ??? ???? ?? (???? ??? ? ?? ?? ???) ???? ?? ???, ????, ??, ?? ?? ??? ??? ?? ??? ??? ?? ??? ??? ???? ?? ??
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1. ?? ??? ??? ???? ? ?? ???? ??? ? ??. ?? ??? ??? ??? ??? ??? ? ??. ????? ??? ?? ??? ??? ?? ??? ??? ? ??. <? ?> *???? ??? ??? ???? ?? ??? ??????? ???(???)? ??? ???? ??? ?????? ? ??? ???? ???.. -
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2. ???? ???? [methanol] ??? CH?OH. ?? ??? ??? ???. ????????? ??, ??? ??? ??? ????? ???? ??? ??(ľ¾«;wood spirit)???? ??. ???? 32.04??, ???? £97.78¡æ, ???? 64.65¡æ, ??? 0.791(20¡æ)??. ???? =1.32855, ????.. -
?????? NMR?? ???
8???
1. NMR? ?? ¢Ù ???? - ??? ???? ?? ????? ?? ???????(nuclear spin angular mometum)? ?? ???? ?????(magnetic moment)? ??? ??? ??? ??. ?? ??? ??????? ?? ???? ?? ???? ????? ??? ? ??. ??? ??? ?? ???? ???..
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1. ?? ??: - Ostwald ???? ???? ?? ????. Ostwald ????? ???? ????? ?? ??? ??? ?? ????. ?????? ??? ??? ??? ?? ????. 2. ?? ??: - ?????? ..
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2. ?? ?? ?? ¢Ù ??? ???? ??????? ??? ??? ???? ?? ??? ??.???¡¤????? ??. ??? ?? ??? ???? ??? ???. ???? x?? ??? y? ???? ?? ¦Ô? ??? ?? ? x?? ??? ? ?? ??? ?????? ???? ??? X=¦Ç?¦Ô/?y? ????. ? ? ???? ¦Ç? ?????. ¢Ú..
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- A+ ???? PS ???? (?? ???)
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- 2,000?
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- A+ ??? PS ???? ?? ???(23???)
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- [A+ ???] PVAc PVA ?? ?????(???? ?? ??) 15??? ???
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- [?????? 2] Synthesis of Phenol-formaldehyde resin_?????
- ????? | 5 ???
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- A+??? PMMA ?? ??? - ?? ? ??, ??, ?? ? ?? ???(? 18???)
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- [?????? 2] Synthesis of Epoxy resin_?????
- ????? | 5 ???
- 1,500?
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- [?????? 2] Synthesis of Urea formaldehyde resin_?????
- ????? | 5 ???
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