???????,??????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??????????,??????????????????,?????
??????:
?????
?
???????????????
?????????????????????
??????????????(?????)
?????
????? ??????????? ???????? “??”??
???:??
?????????????10???????
???|NBA????????????????
?????!???????????????
KD????????????????????
???!???????????:??????
???????????:?????????
???????:????????????
?????!???????????????
?????!???????????????
?????????????????????20%
????????????
???????:????????????
??|????????!??????????
???????????????:????
??!??????????????????
KD????????????????????
«???????»????????????
?????268???????:???????
????!??????????????
????!??????????????
???????????????:????
???!KD????????:?????5??
?????????????????
???????????:?15.60%??????
?????????????????????