????? ?? ???? ????? ????? ?? ?????? ????? ?? ??????? ????????? ( CaSO4 · 2H2O ). ?????? ???????? ???????? ??????? ????? ????? ?????? ???????? ??????? ????? ??? ???? ???? ?? ????? ?????? ??? ????? ????? ?????? ????? ??????? ????? ????????.
?????? ????? ??????? ?????? ???? ?? ???? ?????? ????? ??? ????? ?????? ??? ????? ????? ?????? ??????? ?? ????? ?????? ???????? ???????? ??? ?????? ???????? ?????? ????????.
???? ?????? ????? ?????
???? ???? ????? ????? ????? ????? ????? ??????? (????? ????? ????????) ?????? ??? ????? ?????? ?? ????? ?????? ??? ????? ????? ?????? ?????? ????? ?????? ?? ???? ?????? ??? ????? ?????? ????????.
???? ????? ??? ????? ???????:
- 1 ??? ?????? ??? ????? ?????? ?????? ???? ??????? ??????? ?????? ??? ???????? ??? ??? ?? 25 ???.
- 2 ??? ???? ??? ??????? ????? ?????? ?? ??????? ????? ??????.
- 3 ??? ??????? ?????? ???? ???????? ??? ??? ??????? ?????? ?????? ???? ??????? ??????? ??? ??? ???? ???????.
- ??? ????? 150 ???? ????? ? ????? ????? ??????? ???? ?????? ??? 170 ???? ?????? ???? ????? ?????.
- 5- ??????? ??? ????? ????? ????? ??????? ?????.
?? ????? ?? ??????? ????? ????? ?????? ?????? ? ????? ?? ?????? ??????? ?????? ????????? ??? ???? ????? ???? ?????.
?? ???? ??? ??????? ??? ????? ??? ?????? ????? ?? ???? ????? ?????? ??????? ?????? ?????? ????? ???????? ??????? ??????? ?? ???? ?????? ?????? ????? ??????? ????????.
?? ???? ?????? ??:
????? ????? ?????
???? ????? ????? ???? ?? ??????? ??????? ??? ???? ???? ????? ??? ??? ????? ????? ?????.
??? ?????? ????? ????? ???????? ????? ????? ??? ?????? ???????? ??? ???????? ??????? ???????? ?????? ???????.
????? ????? ??? ????? ????? ??????? ??? ????? ???????? ?????? ????? ?????? ?????? ?????????? ???????:
1. ????? ??????? ???? ??? ???? ???????
????? ??????? ?? ??????? ????????? ???? ?????? ??? ?????? ??????? ??????? ????????? ?????. ????? ????? ????? ?????? ?????? ???????? ?????????? ????????? ??? ?????? ?????? ??????? ????? ?????? ????? ??? ?? 6%.
????? ????? ????? ??????? ?? 杏吧论坛?
| ????? | ????? ??????? ?? ???? 杏吧论坛 | ????? ??????? ?????? |
| ???? ?????? ??????? | 22 ??/???? | 11-15 ??/???? |
| ??????? ???????? | 80–325目(0.173 ??–0.033 ??) | 0.2 ?? - 0.05 ?? |
| ????? ????????? | ?????: ???? ??? ??????? ??????? ??? ????? ??? ???? ????? | ????? ???? ????? |
| ????? ????? | ??? ??????: ???? ????? 8000 ????? ??????? ????? 6000 ???? | ????? ??????? ????? ??????? ?????? |
| ????? ?????? | ???? ????? ?????? 99%? ????? ?????? | ?? ???? ????? ????? ?????? |
| ??????? ?????? | ??? ????? 60% ?? ????? ?????? ????????? | ??????? ?????? ??????? |
2. ????? ????? ????? ???? ??? ???? ???????
????????? ????? ??? ?????? ???? ??? ????? ???????? ?????? ??????? ????? ??????? ????? ????? ??? ?? ????? ??????? ??????.
??? ???????? ???? ????? ?????? ????? ????? ???? ????? ?? ?????? ??? ????? ????????? ???????? ??? ???? ???? ?? ???????? ???? ????? ?????? ????? ?????? ??? ?????? ?????????? ????????? ??????????.
?????:
- ??? ???????: <40 ??
- ?????? ?????????: 0.4–40 ??/????
- ??? ???????: 60–800 ???? (0.25 ??–0.015 ??)
??? ????? ?????? ?????? ???? ????? ?? ????? ???????? ??? ???? ???? ??????. ?????? ?????? ??? ??? ??? ???? ??????? ????????? ?????? ????? ???? ?????.
????????? ?? ?????? ??????? ???????? ?? ????? ???????? ??? ??????? ????? ????? ????? ????? ?? ???? ?????? ?????? ???? ???? ??? ??? ???? ??? ???? ?? ?????? ?????? ????? ?? ???????.
????? ????? ????? ?????:
- ????? ????? ?????: ????? ????? ?????? ?????? ?? ?????? ??????? ?????? ?????? ????? ??????? ???? ???? ?? ????? ??? ?????? ????? ?????? ????? ?????.
- ?????? ????? ??????: ???? ?????????? ??????? ????? ??????? ???????? ?????? ???????? ??????? ??? ????? ????? ??????? ????? ?????? ????? ???? ?? 50%.
- ???? ??? ????? ????: ???? ????? ????? ?????? ???? ?????? ????? ????? ???????? ??????????? ????? ??? ??? ?? ???? ????? ??? ??????? ??? ???? ???? ??? ??????? ???? ????.
- ?????? ??? ??????: ???? ?? ?????? ????? ????????? ??? ???? ????? ????? ?????? ????? ????????.
3. ????? ????????? ???????? ???? ??? ???? ???????
????? ????? ????????? ???????? ? ???????? ???????? ????????? ??????? ??????? ??? ??? ????? ???????? ?????? ???????? ??????? ?? ??????? ??????? ?????? ????? ????? ??? ???? ????.
??????? ???????? ??????? ?????????? ????????:
- ??? ????? ????: ???? ????? ≤55 ?? ?????? ??? ?????? ??????? ??? ???? ??????? ??????? ????? ???????
- ???? ?????: ???? ?? ??? ?????? ????????? ??? 420 ??/????
- ???? ????? ????: ??? ??????? ????? ??????? ??? 14 ???? ?2500 ????
????? ?????? ????????? ???????? ????? ?????? ????? ????? ??? ???? ??? ?????? ?????? ????? ????? ????? 450 ???? ????? ?????? ?????? ???? ????? ??? ???? ????? ??? ??? 15% ???????. ???????? ??? ???? ?????? ???? ??? ????? 30% ??? 50% ?? ?????? ?????? ?????????.
????? ??? ????? ????? ???????? ???? ???????? ??????? ????? ?????? ??? ???? ?? ??????? ?? ????? ????? ?????? ???? ?? ???????. ????? ??? ???? ???? ????? ????????? ??????? ????? 50% ?? ????? ????? ??????? ?? ??????? ?????? ??????? ????? 70% ??? ?? ???? ????? ??????.
???? ??????: ????? 300 ?? ?????? ?? ????? ????? (???????)
????? ??????? ????? ?? ????? ????? ????????. ??? ?????? ?????? ???? ?????? ?? ???? ??? ????? ???? ???? ????? ????? ????? ??????? ?? ??????? ??? ???? 杏吧论坛 ?????? ??? ???????? ?? ????? ??????? ?????? ????? ????? ?????.
???????:
- ????? ????? ???? ??? ??? 300 ?? ?? ????? ????? ???? ??????.
- ??? ?????? ??????? ?????? ????? ??????.
- ???? ???? ?????? ?? ????? ?????? ??????.
??:
???? ???? 杏吧论坛 ?????? ?????? ?? ????? ????? ????? ??????? ??? ?? ??? ????? ????? PC 1000×800 ????? ???????? ???????? Raymond 4525? ????? ????????? ??????? ????? ????? ???? ???????? ???? ????? ???????????? ????? ???? ?????.
????? ???????:
- ??????? ??????: ?? ????? ????? ????? ??? ????? 300 ?? ?? ????? ????? ??????.
- ??? ????????: ??? ????? ????? ??????? ????? ???????? ??? ??? ?????? ??????? ????????? ????? 20%.
- ????? ??????: ????? ??????? ?????? ????? 30% ?????? ????? ??????? ?????????.
- ???????? ??????: ?????? ????? ??????? ???? ???? ?? ??????? ??????? ?? ???????? ??? ???? ??????? ????????.
??? ????? ??? ????? ??????? ????? ???? ??????? ????? ?????? ????? ????? ?????? ????????. ??? ??? ????? ?? ???? ?? ????????? ???? ???????? ???? ?? ???? ????? ??????? ?????? ?? ?? ??? ???? ???? ?? ????? ??? ????? ?????? ??? ????? ?? ??????? ???????. ???? ???
