??????,????!???????????……

??

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

???????:

??????

?

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

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

?(?????)

??

??????? ? ????????? “???????”??

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

?????????

???????????,????!???????????……?????

????????