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