ç»èå¨èªç¶çä¸çä½ç¨åå
¶ä¸äººç±»çå
³ç³»
1ãç»èåçèå¨èªç¶çä¸çä½ç¨ï¼
ï¼1ï¼ç»èåçèä½ä¸ºå解è
åä¸ç©è´¨å¾ªç¯
ä¸äºè¥è
ççæ´»çç»èåçèè½æå¨æ¤ç©éä½ãéç©(æ¯æè½å¶ãå¨ç©ç²ªä¾¿ç)å解æäºæ°§å碳ãæ°´åæ æºçï¼è¿äºç©è´¨åè½è¢«æ¤ç©å¸æ¶å©ç¨ï¼è¿èå¶é ææºç©ï¼ä¿è¿äºèªç¶çä¸äºæ°§å碳çç©è´¨ç循ç¯ã
ï¼2ï¼ç»èåçèå¼èµ·å¨æ¤ç©å人æ£ç
ç»èåçèä¸æä¸äºç§ç±»è¥å¯ççæ´»ï¼å®ä»¬çæ´»å¨äººãå¨æ¤ç©ä½å
æä½è¡¨ï¼ä»æ´»ç人ãå¨æ¤ç©ä½å
å¸æ¶è¥å
»ç©è´¨ï¼å¯å¯¼è´äººæå¨æ¤ç©æ£ç
ãå¦é¾çèå¯ä»¥ä½¿äººæ£ææ¡ä½çãç©çº¢çã丹æ¯çå¤ç§ç¾ç
ãä¸äºçèå¯çå¨äººä½è¡¨é¢ï¼ä½¿äººæ£èç£ã足ç£ãçç®ç£çç¾ç
ãæ£è±æ¯èç
ã水稻稻çç
ãå°éº¦å¶éç
åçç±³ç¤é»ç²ç
çï¼é½æ¯ç±çèå¼èµ·çã
ï¼3ï¼ç»èåçèä¸å¨æ¤ç©å
±ç
å
±çï¼ææäºç»èåçèä¸å¨ç©ææ¤ç©å
±åçæ´»å¨ä¸èµ·ï¼ç¸äºä¾èµï¼å½¼æ¤æå©ï¼ä¸æ¦åå¼ï¼ä¸¤è
é½è¦åå°å¾å¤§å½±åï¼çè³ä¸è½çæ´»èæ»äº¡çç°è±¡ãä¾å¦ï¼
â å°è¡£ï¼æ¯çèä¸è»ç±»å
±çå¨ä¸èµ·èå½¢æçãè»ç±»éè¿å
åä½ç¨ä¸ºçèæä¾ææºç©ï¼çèå¯ä»¥ä¾ç»è»ç±»æ°´åæ æºçã
â¡è±ç§æ¤ç©çæ ¹ç¤ä¸æä¸æ¤ç©å
±ççåºæ°®æ ¹ç¤èãæ ¹ç¤èå°ç©ºæ°ä¸ç氮转å为æ¤ç©è½å¸æ¶ç禽氮ç©è´¨ï¼èæ¤ç©åä¸ºæ ¹ç¤èæä¾ææºç©ã
â¢å¨çãç¾ãéªé©¼çèé£å¨ç©çèè å
ï¼æäºç§ç±»çç»èï¼å¯ä»¥å¸®å©å¨ç©å解èæä¸ççº¤ç»´ç´ ï¼èå¨ç©åå¯ä»¥ä¸ºè¿äºç»èæä¾çåçåºæåé£ç©ï¼å®ä»¬å½¼æ¤ä¾èµï¼å
±åçæ´»ã
â£çæ´»å¨äººä½è éä¸çä¸äºç»èï¼ä»äººä½è·å¾è¥å
»çæ´»ï¼å®è½å¤å¶é 对人ä½æçå¤çç»´çç´ B12 åç»´çç´ Kã
2ã人类对ç»èåçèçå©ç¨ï¼
ï¼1ï¼ç»èãçèä¸é£åå¶ä½
æ们çæ´»ä¸çé£åçå¶ä½é½ç¦»ä¸å¼ç»èåçèã
ï¼2ï¼ç»èãçèä¸é£åä¿å
â é£åè
è´¥çåå ï¼é£åçè
败主è¦æ¯ç±ç»èåçèå¼èµ·çï¼è¿äºç»èåçèå¯ä»¥ä»é£åä¸è·å¾ææºç©ï¼å¹¶å¨é£åä¸çé¿åç¹æ®ï¼å¯¼è´é£åè
è´¥ã â¡é²æ¢é£åè
è´¥çåçï¼æé£åå
çç»èåçèææ»ææå¶å®ä»¬ççé¿åç¹æ®ã
â¢é£åä¿åçä¸è¬æ¹æ³ååçï¼
aï¼å¹²èèåè±æ°´è¬è--è±æ°´æ³ã
è
èç±»çé£--æå¶ä¸ççæ³ã
æè¯--æ¸éä¿åæ³ï¼ç¨ç³æº¶æ¶²é¤å»é²æä¸çæ°´åã
å¸é±¼--è
å¶æ³ï¼ç¨ç溶液é¤å»é²é±¼ä¸çæ°´åã
以ä¸è¿åç§æ¹æ³é½æ¯ä¾æ®é¤å»æ°´åé²æ¢ç»èåçèçé¿çåçã
bï¼è¢è£
ç奶ãçè£
ç奶ãè汤ä¸-å·´æ¯å¾·æ¶æ¯æ³ï¼ä¾æ®é«æ¸©çèçåçã
cï¼è¢è£
èè --ç空å
è£
æ³ï¼ä¾æ®ç ´åéæ°§èç±»çåç¯å¢çåçã
dï¼èç±»ç½å¤´åæ°´æç½å¤´--ç½èæ³ï¼ä¾æ®é«æ¸©æ¶æ¯åé²æ¢ä¸ç»èåçèæ¥è§¦çåçã
eï¼å·èæ³ãå·å»æ³--ä¾æ®ä½æ¸©å¯ä»¥æèçåçã
fï¼ä½¿ç¨é²è
åï¼å¦ç¨äºæ°§åç¡«çæçç»èã
gï¼æ°é²çæ°´æåè¬è--æ°è°ä¿é²æ³ï¼æ§å¶å¨èç¯å¢æ°ä½çç»æï¼ç»§èæ§å¶æè¬çå¼å¸ä½ç¨ï¼æå¶å¾®çç©çé¿ã
ï¼3ï¼ç»èãçèä¸ç¾ç
é²æ²»
â æçç´ ï¼ç»èåçèå¯ä»¥å¼èµ·è®¸å¤ç¾ç
ãä½æ¯æäºçèå´å¯ä»¥äº§çææ»æäºè´ç
ç»èçç©è´¨ï¼è¿äºç©è´¨ç§°ä¸ºæçç´¢ãå¦ééç´¢ãæçç´ å¯ä»¥ç¨æ¥æ²»çç¸åºçç¾ç
ã
â¡ç产è¯åï¼å©ç¨ç°ä»£ç§ææ段ï¼æå
¶ä»çç©çæç§åºå 转å
¥ä¸äºç»èå
é¨ï¼ä½¿ç»èç产è¯åï¼å¦å©ç¨å¤§è æèç产è°å²ç´ ã
ï¼4ï¼ç»èä¸ç¯å¢ä¿æ¤
â ç»èå¯è¢«ç¨äºåå污水çåå ï¼å¨æ±¡æ°´ååºæ°´ä¸çææºç©ï¼å¦åç§ææºé
¸ãæ°¨åºé
¸çï¼å¯ä»¥ä½ä¸ºç»èçé£ç©ã
â¡å©ç¨ç»èåå污水çåçï¼
a.å¨æ²¡ææ°§æ°çç¯å¢ä¸ï¼å©ç¨å¾®çç©(å¦ç²ç·è)çåé
µå解ææºç©ï¼
bï¼å¨ææ°§æ¡ä»¶ä¸ï¼å©ç¨å¥½æ°§èå°ææºç©å解æäºæ°§å碳åæ°´ã
温馨提示:答案为网友推荐,仅供参考