????:1?????????:?????????

2???16k??

3??????

4????????????

5????????

?????????,?????????2????15??????????:????????2?????????????????????????????4???,????? “?????????????????”,?????????!

??,??????????,2??????12???????18?,??????“?”?

???????,????????:???????????????????,?,?????????

????? | ???????

??????????,??????????????????????????????????

???

??????,??????,???????????

?????????,?0????60??????,????????????????????????,???????????????????

????,?????????,????75%????????

??????,????????

??,???????

???????????????(???18?????)????????????(???2448????????)???(?????????25?,??????????23????????)??????(?????????060????????????)????????????????(??624?????,????)???

????,?????,??:

???????????????

??????????????????????????????

?????,???,??????????????

?,?????

???????,????????????????????

????,?????,??????1????????3???????????,?????????????????

???????????????????????,???

??,??????

??????,????????????,???????????????

????

?«??»,??,???????????????

????????????????

?????????,???,?????,?;

???????(?????????)??????5000mg/L~10000mg/L??????????????????,???????????????????????????,??????????????30??????????????????????????????????,??????????????????;

?????,?????;

??;????????????????????

???????????????

?????,????????;?????????????,????1000mg/L????30??,????????????????????????

????

?????????????????????????,???????500mg/L??????30???????????????;?????????????30??????????,???????????????,?????????

??????????????

??(????????)???????????,??????30??????,??????????500mg/L?????,??30??????????,??????????

???????

????,???????????,??0.5%?3?????????????????????;?0.1%?????

????????

???????????????

???

??????????????

??????????????????,????????????????????20?????????

??????????

???????,????????,??

??

????????

?????????????,????,????????

???????????????,???

?

?????3???????,??,??????

????:

???????????

??????????

????????

??????????????????????????????????

????????(?????)

??????

??????????????????????????? ?? ??? “??”?????????????

?????????????:??????????????