???????????,??????!????……
??,???????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????????,???????????,?????????
??????????:
??????
??????????
?
?????????????
???(?????????????)
?????
? ?????? ? “???”??????????????
?????????????????:??????????????????????
??