????:1?????????:???????

2??????v

3???????????

4???????

5????????

????????????????6???????????11???? (??????????????????)?????????????,???????????????????,???,???????????“???????”??????????????,??????????????????????????????

?????????“???”??????????

???,3??????????????????“?????????????”????????????;2000??????“???????”??????????

“???????,???????2000???????????????????????????,?????”?????????????,???????????,??????????????????

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

“????????????????‘?????????????????????????????????’?????????????,??????????????????”????,?????????2000????????????1.2???????????????,???????????6.2?????,?????????150???,??????90????

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

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

????,?????????????,????“??”??????????????????????????,?????????????

“?,??,??????????,????‘??’?”?????????????????????????

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

?????????????????,?????????,?,??????,???“???”???????????????,?????

?,????????????????,?????????????????“???”?????“?????????????????”??,?????????,????????????

?????,??“??????”??,????????????????,?????????????“????”?????“???????”,??????????

???,???????????????????????????, PH?????8??,??????????????????????????????????,??????99%??????????????????,????,???????

????,“???”?????????,??????????,???????????2??3000??????,2023????????5800???????????

????????,??,????“??????”,????????????????????,?????????????????(?????????????????)

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