????,???????????!??????……

??

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

?????:

??????????

??????

???????

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

????(?)

??????????

? ??????? ????????? “??”??????????

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

?????????

?????????,???????????!??????……?????

????????