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2. �븬�젰�쓽 媛쒕뀗
�븬�젰�씠��� �떒�쐞 硫댁쟻�뿉 �옉�슜�븯�뒗 �옒�쓣 留먰븳�떎.
�븬�젰��� �쑀泥닿�� �젒珥됲븯怨� �엳�뒗 臾쇰━�쟻 寃쎄퀎�뿉�꽌 �븞履� 諛⑺뼢�쑝濡� �삉 硫댁뿉 �닔吏곸쑝濡�
�옉�슜�븯�뒗 �꽦吏덉쓣 媛뽮퀬 �엳�떎.
�븬�젰��� �쑀泥� 遺꾩옄�뱾�쓽 �슫�룞 �뿉�꼫吏��뿉 湲곗씤�븳�떎. 利�, 遺꾩옄�뱾�쓽 �슫�룞�씠 Surface �뿉
遺��뵬�엺 異⑷꺽�쓽 �슚怨쇨�� �븬�젰�씠�떎.
洹몃윭誘�濡�, 遺꾩옄媛� �뾾�뒗 - �씠瑜� 吏꾧났�씠�씪 �븳�떎. - �긽�깭�뒗 �븬�젰�씠 0 �씠�떎.
Absute Pressure Scale �씠��� �씠 吏꾧났�긽�깭瑜� �븬�젰 0 �쑝濡� �젙�븳 �븬�젰 �떆�뒪�뀥�쑝濡쒖꽌
�몴以����湲곗쓽 �젅��� �븬�젰��� 1.013 횞 105 Pa abslute �씠�떎.
�씠�뿉 諛섑빐 �쐞�뿉�꽌 留먰븳 �옱湲곗븬�젰�쓣 �븬�젰 0 �쑝濡� �젙�븳 �븬�젰 �떆�뒪�뀥�쓣
Guage Pressure Scale �씠�씪 �븳�떎.
�쑀泥대궡�뿉�꽌�뒗 �븬�젰�쓣 �몴以�硫댁쓣 湲곗���쑝濡� 留먰븷 �닔 �엳�쓣 寃껋씠�떎.
�씠 �븣, ; specific weight
�몴以� 1 湲곗븬��� �떎�쓬怨� 媛숈�� 媛믪쓣 媛�吏꾨떎.
760 mmHg abs = 760 torr abs
= 1 atm abs
= 10350.8 mmH2O abs
= 29.92 in Hg abs
= 407.513 in H2O abs
3. Pressure Reference Instruments.
�몺 McLeod Guage
二쇰줈 gas pressure �쓽 �몴以� �븬�젰怨꾩륫 湲곌뎄�씠�떎.
Boyle`s law �뿉 �뵲瑜대㈃
�쓽 愿�怨꾧�� �엳�떎.
McLeod Guage �뒗 �씪諛섏쟻�쑝濡� correction �씠 �븘�슂移� �븡��� �듅吏뺤씠 �엳�떎.
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