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