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单位换算表 压力 Unit-Pressure:eg.:1Pa=0, 1Pa= 0,01 mbar (pascal N/㎡) 1x10(-^5) bar 102x10(-^7) kg/c㎡ 0, 145x10(-^6) psi 1mbar= 100 Pa (millibar) 0,001 bar 102x10(-^5) kg/c㎡ 10, 0,0145 psi 1bar= 100 000 Pa 1000 mbar 1, 10 14,5038 psi (kilogram per c㎡) 981 mbar 0,981 bar 10 736 psi 14,2233 Pa (mm water gauge) 0,098 mbar 98,1x10(-^6) bar 0, 0, 0,001422 psi (mm mercury) 1,33 mbar 0,00133 bar 0, 13, 0,01934 psi 1psi= 6895,06 Pa (pounds per sg inch) 68,95 mbar 0,06895 bar 0, 703, 单位换算表 热量 Unit-Energy:eg.:1J=0,102kgm. 1J= 0,000278 Wh 0,102 kgm 0,000239 kcal 3,78x10(-^7) ch.h. 0,00095 BTU 27,8x10(-^8) kWh 3,728x10(-^7) Hph. 1Wh= 3600 J 367 kgm 0,860 kcal 0,000136 ch.h. 3,412 BTU 0,001 kWh 0,00134 Hph. 1kgm= 9,81 J 2,725x10(-^3) Wh 0,00234 kcal 3,71x10(-^6) ch.h. 0,00929 BTU 2,725x10(-^6) kWh 3,659x10(-^6) Hph. 1kcal= 4184 J 1,163 Wh 427 kgm 0,001572 ch.h. 3,968 BTU 1,163x10(-^3) kWh 0,00148 Hph. 1ch.h.= 2,649x10^6 J 736 Wh 270 000 kgm 632,24 kcal 2,509 BTU 0,736 kWh 0,98632 Hph. 1BTU= 1052,6 J 0,2931 Wh 107,64 kgm 0,252 kcal 0,3986x10(-^3) ch.h. 2,931x10(-^4) kWh 0,393x10(-^3) Hph. 1kWh= 3,6x10^6 J 1000 Wh 3,67x10^5 kgm 860 kcal 1,36 ch.h. 3412,5 BTU 1,3414 Hph. 1Hph= 2,686x10^6 J 746,2 Wh 273745 kgm 641 kcal 1,01387 ch.h. 2544 BTU 0,7462 HWh. |