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銆€銆€(涓€)鍘熺悊?

銆€銆€娓�(c猫)閲忛ⅷ(f膿ng)閬撲腑姘ｉ珨鐨勫鍔涙噳(y墨ng)鍦ㄦ埃娴佹瘮杓冨钩绌�(w臎n)鐨勭娈甸€�(j矛n)琛�銆傛脯(c猫)瑭︿腑闇€娓�(c猫)瀹氭埃楂旂殑闈滃銆佸嫊(d貌ng)澹撳拰鍏ㄥ銆傛脯(c猫)姘ｉ珨鍏ㄥ鐨勫瓟鍙ｆ噳(y墨ng)杩庤憲棰�(f膿ng)閬撲腑姘ｆ祦鐨勬柟鍚戯紝娓�(c猫)闈滃鐨勫瓟鍙ｆ噳(y墨ng)鍨傜洿浜庢埃娴佺殑鏂瑰悜銆傞ⅷ(f膿ng)閬撲腑姘ｉ珨澹撳姏鐨勬脯(c猫)閲忓(p237)鍦�2.8-4鎵€绀�銆�

銆€銆€鐢║褰㈠鍔涜▓(j矛)娓�(c猫)鍏ㄥ鍜岄潨澹撴檪(sh铆)锛屽彟涓€绔噳(y墨ng)鑸囧ぇ姘ｇ浉閫�(鐢ㄥ偩鏂滃井澹撹▓(j矛)鍦ㄦ澹撶娈垫脯(c猫)澹撴檪(sh铆)锛岀鐨勪竴绔噳(y墨ng)鑸囧ぇ姘ｇ浉閫�锛屽湪璨�(f霉)澹撶娈垫脯(c猫)澹撴檪(sh铆)锛屽鍣ㄩ枊(k膩i)鍙ｇ鎳�(y墨ng)鑸囧ぇ姘ｇ浉閫�)銆傚洜姝ゅ鍔涜▓(j矛)涓婅畝鍑虹殑澹撳姏锛屽(sh铆)闅涗笂鏄ⅷ(f膿ng)閬撳収(n猫i)姘ｉ珨澹撳姏鑸囧ぇ姘ｅ鍔涗箣闁撶殑澹撳樊(鍗虫埃楂旂浉灏�(du矛)澹撳姏)銆傚ぇ姘ｅ鍔涗竴鑸敤澶ф埃澹撳姏琛ㄦ脯(c猫)瀹氥€�

銆€銆€鐢变簬鍏ㄥ绛変簬鍕�(d貌ng)澹撹垏闈滃鐨勪唬鏁�(sh霉)鍜�锛屽彲鍙脯(c猫)鍏朵腑鍏╁€�(g猫)鍊�锛屽彟涓€鍊奸€氶亷(gu貌)瑷�(j矛)绠楁眰寰�銆�

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銆€銆€绲�(ji茅)妲�(g貌u)瑕�(ji脿n)(p238)鍦�2.8-5锛屽畠鏄竴鍊�(g猫)褰庢垚90掳鐨勯洐灞ゅ悓蹇冨湏绠�锛屽叾闁�(k膩i)鍙ｇ鍚屽収(n猫i)绠＄浉閫�锛岀敤渚�(l谩i)娓�(c猫)瀹氬叏澹�;鍦ㄩ潬杩戠闋殑澶栧涓婇枊(k膩i)鏈変竴鍦堝皬瀛旓紝鐢ㄤ締(l谩i)娓�(c猫)瀹氶潨澹�锛屾寜妯�(bi膩o)婧�(zh菙n)灏哄鍔犲伐鐨勭暍鎵樼鏍℃绯绘暩(sh霉)杩戜技绛変簬1銆傛(bi膩o)婧�(zh菙n)鐣㈡墭绠℃脯(c猫)瀛斿緢灏�锛屾槗琚ⅷ(f膿ng)閬撳収(n猫i)绮夊〉鍫靛锛屽洜姝ら€欑ó鐣㈡墭绠″彧閬╃敤浜庢瘮杓冩竻娼旂殑绠￠亾涓脯(c猫)瀹�銆�

銆€銆€(2)S鍨嬬暍鎵樼

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銆€銆€2.澹撳姏瑷�(j矛)

銆€銆€(1)U褰㈠鍔涜▓(j矛)

銆€銆€鐢盪褰㈢幓鐠冪鍒舵垚锛屽叾涓脯(c猫)澹撴恫楂旇琚脯(c猫)澹撳姏鑼冨湇閬哥敤姘�銆侀厭绮炬垨姹�锛孶褰㈠鍔涜▓(j矛)涓嶉仼浜庢脯(c猫)閲忓井灏忓鍔涖€傚鍔涘€肩敱娑叉煴楂樺樊璁€寰楁彌绠�锛宲鍊兼寜涓嬪紡瑷�(j矛)绠楋細

銆€銆€p=蟻gh (Pa) (2.8-1)

銆€銆€寮忎腑p鈥曞鍔�锛孭a;

銆€銆€h鈥曟恫鏌卞樊锛宮m;

銆€銆€蟻鈥曟恫楂斿瘑搴︼紝g/cm3;?

銆€銆€g鈥曢噸鍔涘姞閫熷害锛宮/s2銆�?

銆€銆€(2)鍌炬枩寮忓井澹撹▓(j矛)?

銆€銆€妲�(g貌u)閫犺(ji脿n)鍦�2.8-7銆傛脯(c猫)澹撴檪(sh铆)锛屽皣寰瑷�(j矛)瀹瑰櫒闁�(k膩i)鍙ｈ垏娓�(c猫)瀹氱郴绲�(t菕ng)涓鍔涜純楂樼殑涓€绔浉閫�锛屾枩绠¤垏绯荤当(t菕ng)涓鍔涜純浣庣殑涓€绔浉閫ｏ紝浣滅敤浜庡叐鍊�(g猫)娑查潰涓婄殑澹撳姏宸�锛屼娇娑叉煴娌挎枩绠′笂鍗�锛屽鍔沺鎸変笅寮忚▓(j矛)绠楋細

銆€銆€p=K?L (Pa) (2.8-2)

銆€銆€寮忎腑L鈥曟枩绠″収(n猫i)娑叉煴闀�(zh菐ng)搴�锛宮m;

銆€銆€K鈥曟枩绠＄郴鏁�(sh霉)锛岀敱鍎€鍣ㄦ枩瑙掑埢搴﹁畝寰�銆�

銆€銆€娓�(c猫)澹撴恫楂斿瘑搴�锛屽父鐢ㄥ瘑搴︾偤0.1g/cm3鐨勪箼閱�銆傜暥(d膩ng)閲囩敤鍏朵粬瀵嗗害鐨勬恫楂旀檪(sh铆)锛岄渶閫�(j矛n)琛屽瘑搴︿慨姝ｃ€�

銆€銆€(涓�)娓�(c猫)瀹氭柟娉�

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銆€銆€2.娓�(c猫)澹撴檪(sh铆)锛岀暍鎵樼鐨勭鍢磋灏�(du矛)婧�(zh菙n)姘ｆ祦娴佸嫊(d貌ng)鏂瑰悜锛屽叾鍋忓樊涓嶅ぇ浜�5掳锛屾瘡娆℃脯(c猫)瀹氬弽寰�(f霉)涓夋锛屽彇骞冲潎鍊�銆�

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