???????????,??????!????……

??

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

??????:

?

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

?????????

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

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

?????

?????? ???????? ?? “???”???

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

?????????

????????????????,??????!????……?????

????????