水在不同溫度下的飽和蒸氣壓SaturatedWaterVaporPressuresatDifferentTemperatures溫度(Temperature)t/℃飽和蒸氣壓(Saturatedwatervaporpressure)/(×103Pa)溫度(Temperature)t/℃飽和蒸氣壓(Saturatedwatervaporpressure)/(×103Pa)溫度(Temperature)t/℃飽和蒸氣壓(Saturatedwatervaporpressure)/(×103Pa)00.61129125232.012503973.610.65716126239.242514041.220.70605127246.662524109.630.75813128254.252534178.940.81359129262.042544249.150.87260130270.022554320.260.93537131278.202564392.271.0021132286.572574465.181.0730133295.152584539.091.1482134303.932594613.7101.2281135312.932604689.4111.3129136322.142614766.1121.4027137331.572624843.7131.4979138341.222634922.3141.5988139351.092645001.8151.7056140361.192655082.3161.8185141371.532665163.8171.9380142382.112675246.3182.0644143392.922685329.8192.1978144403.982695414.3202.3388145415.292705499.9212.4877146426.852715586.4222.6447147438.672725674.0232.8104148450.752735762.7242.9850149463.102745852.4253.1690150475.722755943.1263.3629151488.612766035.0273.5670152501.782776127.9283.7818153515.232786221.9294.0078154528.962796317.2304.2455155542.992806413.2314.4953156557.322816510.5324.7578157571.942826608.9335.0335158586.872836708.5345.3229159602.112846809.2355.6267160617.662856911.1365.9453161633.532867014.1376.2795162649.732877118.3386.6298163666.252887223.7396.9969164683.102897330.2407.3814165700.292907438.0417.7840166717.832917547.0428.2054167735.702927657.2438.6463168753.942937768.6449.1075169772.522947881.3459.5898170791.472957995.24610.094171810.782968110.34710.620172830.472978226.84811.171173850.532988344.54911.745174870.982998463.55012.344175891.803008583.85112.970176913.033018705.45213.623177934.643028828.35314.303178956.663038952.65415.012179979.093049078.25515.7521801001.93059205.15616.5221811025.23069333.45717.3241821048.93079463.15818.1591831073.03089594.25919.0281841097.53099726.76019.9321851122.53109860.56120.8731861147.93119995.86221.8511871173.8312101336322.8681881200.1313102716423.9251891226.1314104106525.0221901254.2315105516626.1631911281.9316106946727.3471921310.1317108386828.5761931338.8318109846929.8521941368.0319111317031.1761951397.6320112797132.5491961427.8321114297233.9721971458.5322115817335.4481981489.7323117347436.9781991521.4324118897538.5632001553.6325120467640.2052011568.4326122047741.9052021619.7327123647843.6652031653.6328125257945.4872041688.0329126888047.3732051722.9330128528149.3242061758.4331130198251.3422071794.5332131878353.4282081831.1333133578455.5852091868.4334135288557.8152101906.2335137018660.1192111944.6336138768762.4992121983.6337140538864.9582132023.2338142328967.4962142063.4339144129070.1172152104.2340145949172.8232162145.7341147789275.6142172187.8342149649378.4942182230.5343151529481.4652192273.8344153429584.5292202317.8345155339687.6882212362.5346157279790.9452222407.8347159229894.3012232453.8348161209997.7592242500.534916320100101.322252547.935016521101104.992262595.935116825102108.772272644.635216932103112.662282694.135317138104116.672292744.235417348105120.792302795.135517561106125.032312846.735617775107129.392322899.035717992108133.882332952.135818211109138.502343005.935918432110143.242353060.436018655111148.122363115.736118881112153.132373171.836219110113158.292383288.636319340114163.582393286.336419574115169.022403344.736519809116174.612413403.936620048117180.342423463.936720289118186.232433524.736820533119192.282443586.336920780120198.482453648.837021030121204.852463712.137121286122211.382473776.237221539123218.092483841.237321803124224.962493907.0--空氣相對分子質(zhì)量為29在0攝氏度及一個標(biāo)準(zhǔn)大氣壓下〔1.013×10^3Pa〕空氣密度為/L〔1〕假設(shè)體重50公斤，排開空氣體積約<50升。〔2〕空氣的浮力<50L*=〔3〕空氣的浮力對測量結(jié)果的影響不大空氣的密度大小與氣溫等因素有關(guān)，我們一般采用的空氣密度是指在標(biāo)準(zhǔn)狀態(tài)下，密度為每立方米，空氣的壓力大小與大氣壓與受力面有關(guān)，我估計(jì)樓主問的是空氣的壓強(qiáng)吧？在標(biāo)準(zhǔn)狀態(tài)下，大氣壓強(qiáng)76CM汞柱高！你也可以換算成其它單位。空氣的濃度這個概念一般很少采用，嚴(yán)格意義上可以理解為每立方米空氣的質(zhì)量，這與空氣密度是一個概念。在氣象上，空氣有濕度一說，那是指空氣中的含水量，濕度越大，說明空氣中的水份越高。標(biāo)態(tài)下是29/22.4g/L，溫度和氣壓變了用PV＝nRT自己算吧溫度〔度〕飽和水蒸氣量/〔g/立方米〕-201.1-151.6-102.3-53.404.915.225.636.046.456.867.377.788.398.8109.4119.91210.01311.31412.01512.81613.61714.41815.31916.22017.22118.22279.32320.42421.62522.92624.22725.62827.02928.53030.13131.8我是一名煤礦工作者，現(xiàn)有的資料就只能到31度了，因?yàn)槊旱V溫度不能高于31度。下面是計(jì)算公式：f=W×F×100%W：相對濕度f：空氣中水蒸氣的絕對含量〔絕對濕度〕g/立方米F：在同以溫度下空氣的飽和水蒸氣量〔相對濕度〕，g/立方米露點(diǎn)

〔℃〕

PPm

絕對濕度〔g/m3〕

露點(diǎn)

〔℃〕

PPm

絕對濕度〔g/m3〕

露點(diǎn)

〔℃〕

PPm

絕對濕度〔g/m3〕

0

6033001555

-16

1487

1.113

-58

13.96

0.01045

-100

0.01387

0.00001039

-18

1233

0.9233

-60

10.68

0.007998

-20

1019

0.7629

-62

8.128

0.006087

-22

840

0.6291

-64

6.154

0.004608

-24

690.2

0.5169

-66

4.635

0.003471

-26

565.3

0.4233

-68

3.471

0.002599

-28