ä¸??¨æ?°è?
28�/p>
纳米æ¯?äº??¿å?å½??°æ?¶é???¥å?å¤????ï¼????å¹´å??以æ?¥ï?å·²æ??28头ç????è¢???æ³?????????害ï??¶ä¸19头æ???¨è??½æ??大ç???????¨ç?©ä??¤å?ºå???¨é??????ï¼?????该å?½å·²??强å?äº???æ³??????????»å??åºþ:??纳米æ¯?äº????ä¸???游é?¨è¡¨ç¤ºï???对ç????????????æ³?????æ´»å???该å?½æ?¿å?å·²ä?ç¬???¶é?´å???å®??¨å???ç´§æ?¥é?å±?ä¼?è®??以å?¶å????»é??æ³?????æ´»å?¨ç?????½ã??
7.5�/p>
ä¸????¶è?1?¥è¡¨ç¤ºï?该è?å·²æ?¹å?????¥ä¼¦æ¯?äº???ä¾?7.5亿ç???è´·æ?ï¼???è¿??¨å?¨å???????½æ???å±?????å°?碳æ???¾ï?å¸??©è??½å?¨é?¢å?æ°????????¶æ?´å?·å¼¹?§ã??该é?¶è??¨ä?份声??ä¸?¡¨ç¤ºï?è¿?ç¬?è´·æ??¨å?¨ä?è¿?å¤??³è?½ã??æµ·ä?é£??½å??绿è?²æ°¢?½æ?????å±?ï¼?å¹¶æ??????å¸??µå?¨äº¤????å¤?å¼???è¿???è¿???»§2022å¹?2????ä¸?ç¬?10亿ç???è´·æ???ï¼?ä¸????¶è????¥ä¼¦æ¯?äº???ä¾???ç¬??ç¬?è´·æ???
2.2%
å¾·å?½è???þ>?计å?2?¥å???????æ¥æ?°æ???¾ç¤ºï¼?3??å¾·å?½é??è´§è?¨è????????.2%ï¼?ä¸?021å¹???以æ?¥æ??ä½?æ°´å¹³??å½???ï¼?å¾·å?½è?½æ???é£???ä»·æ?¼å??æ¯????????2.7%??0.7%ï¼?é£???ä»·æ?¼ä¸º??015å¹???以æ?¥é?次å??æ¯?ä¸??????¹æ??¾·?½ä?å¼?ç»?æµ???ç©¶æ??å½?天å??表ç??声æ??ï¼?å¾·å?½é??????å°???ç»???ä½?ï¼?é¢?计å?¨ä?å¹´å?å£é????%以ä???ï¼?????? è¾?ï¼?