
回答1:
鐢佃剳绔?/strong>锛?/p>
鐧诲綍鐧惧害缃戠洏瀹樼綉銆?/p>铝皮保温
鍦ㄩ椤垫壘鍒扳€滄垜鐨勫垎浜€濇垨鈥滃垎浜€濋€夐」锛岀偣鍑昏繘鍏ャ€?/p>
鍦ㄥ彸渚ц彍鍗曟爮涓壘鍒扳€滄壂鐮佸垎浜€濋€夐」锛岀偣鍑昏繘鍏ワ紝鍗冲彲鐪嬪埌涓€涓簩缁寸爜锛岃繖灏辨槸鐧惧害缃戠洏鎵爜鍔熻兘銆?/p>
灞曞紑鍏ㄩ儴 涓€绔嬫柟姘存偿绛変簬澶氬皯鍚紵涓€绔嬫柟姘存偿鐨勯噸閲忓彇鍐充簬鍏跺瘑搴︺€傛櫘閫氱閰哥洂姘存偿鐨勫瘑搴﹀ぇ绾﹀湪3.0-3.15g/cm³涔嬮棿锛屽洜姝わ紝涓€绔嬫柟绫虫按娉ョ殑閲嶉噺澶х害鍦?鍚ㄥ乏鍙炽€傜劧鑰岋紝姘存偿鍦ㄥ寘瑁呭拰杩愯緭杩囩▼涓€氬父浠ヨ瑁呭舰寮忓嚭鐜帮紝姣忚姘存偿鐨勫噣閲嶇害涓?0鍏枻銆傚洜姝わ紝涓€绔嬫柟姘存偿绾︾瓑浜?60鑷?00琚嬶紝鍋囪姣忚姘存偿鐨勫瘑搴︽帴杩戝爢绉瘑搴?.5-1.6鍚?绔嬫柟绫炽€?br />涓€绔嬫柟姘存偿澶氬皯琚嬶紵濡傚墠鎵€杩帮紝涓€绔嬫柟姘存偿鐨勮鏁板彲浠ラ€氳繃灏嗙珛鏂圭背浣撶Н闄や互姣忚姘存偿鐨勯噸閲忔潵璁$畻銆備互姣忚50鍏枻涓轰緥锛屼竴绔嬫柟姘存偿澶х害闇€瑕侊細1绔嬫柟绫?/ (0.05绔嬫柟绫?琚? = 20琚?br />杩欐剰鍛崇潃涓€绔嬫柟姘存偿澶х害闇€瑕?0琚嬨€?br />涓€绔嬫柟姘存偿鎬庝箞绠楋紵瑕佸噯纭绠椾竴绔嬫柟姘存偿鐨勯噸閲忥紝闇€瑕佺煡閬撴按娉ョ殑瀵嗗害銆傛按娉ョ殑瀵嗗害閫氬父鍦ㄤ骇鍝佽鏄庝功涓粰鍑恒€傜劧鍚庯紝閫氳繃浣撶Н涔樹互瀵嗗害寰楀埌閲嶉噺銆備緥濡傦紝濡傛灉浣跨敤鐨勬槸瀵嗗害涓?.15g/cm³鐨勬按娉ワ紝涓€绔嬫柟绫崇殑閲嶉噺璁$畻濡備笅锛?br />1绔嬫柟绫?* 3.15g/cm³ = 3150鍏枻 = 3.15鍚?br />杩欐牱锛屼笉璁轰娇鐢ㄧ殑鏄摢绉嶆按娉ワ紝浣犻兘鍙互閫氳繃瀵嗗害鏉ュ噯纭绠椾竴绔嬫柟姘存偿鐨勯噸閲忋€?