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

2???????

3?????

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

5???????????95

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

?????:

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

??

??

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

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

???????

?????? ??????? ???? “????”????????

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