vayu visthaapan plathismography

vayu visthaapan plathismography (aeye. dee. pee., jise poore shareer key vayu visthaapan plathismography key roop mein bhee jaanaa jaataa haye) maanav shareer kii sanrachana koo maapane key liye ack maanyata praapt aur vaigyaanik roop seey maanya ghanatva-maapi vidhi haye.
aeye. dee. pee. hydrostatic vajan kii swarn maanak vidhi key samaan siddhanton parr adharit haye, lekin ack ghanatva-maapi takneek key madhyam seey joe paani key visarjan key bajaay vayu visthaapan kaa upayog karati haye.
air-displacement plathismography sthaapit sandarbh vidhiyon parr kaee laabh pradaan karati haye, jisamen ack twarit, aramdayak, swachaalit, gair-aakramak aur surakshit maap prakriya shamil haye, aur vibhinn vishay prakaron (jaise.jee.bachche, motape seey grast, bujurg aur viklang vyakti).
itihas.
plathismography key siddhanton koo pahali baar 1900 key dashak kii shuruat mein shishuon key shareer kii matra aur sanrachana key maap parr lagu kiya gayaa thaa, lekin 1960 key dashak taka yeh apekshaakrit sthir maap praapt naheen kiye gaye they. haalaanki, inn pranaliyon key liye aavashyak thaa kii pariveshiya sthitiyon koo sthir rakhaa jaae. twacha aur havaa key buggle mein havaa key tapman aur aardrata mein aniyamitataon key liye samaayojan mein takniki kathinaaiyon key kaaran manushyon mein anuprayog seemit rahey hain. inn jaisi asuvidhaon aur vibhinn praudyogiki kathinaaiyon key kaaran, samanya, rosemarra key upayog key liye praarambhik vayu-visthaapan plathismograph mein seey koee bhee kabhi vikasit naheen kiya gayaa thaa.
1980 key dashak mein vikasit praayogik vayu-visthaapan plathismograph takniki roop seey adhik unnat they, lekin yeh kewal 1990 key dashak key madhya mein thaa, kii vayaskon key liye pahala vyaavsaayik roop seey upalabdh vayu-visthaapan plathismograph aur shishuon key liye 2000 kii shuruat mein pesh kiya gayaa thaa.
yeh kaise kaam kartaa haye.
vayu-visthaapan plathismography key saath, ack vastu kii matra koo apratyaksh roop seey ack sanlagn kaksh (plathismograph) key ander havaa kii matra kaa nirdhaaran karke maapa jaataa haye. iss prakaar, maanav shareer kii matra koo taba maapa jaataa haye jaba koee vishay kaksh key ander baithata haye aur usake shareer kii matra key barabar havaa kii matra koo visthaapit kartaa haye. shareer kii matra kii ganana apratyaksh roop seey kaksh key ander shesh havaa kii matra koo ghataakar kii jaati haye jaba vishay kaksh mein havaa kii matra seey ander hotaa haye jaba vaha khaali hotaa haye. kaksh key ander havaa kii matra kii ganana kaksh key aakar koo thodaa badalkar kii jaati haye (ee.jee. ack deewaar mein ack diaphram koo sthanantarit karke) aur kaksh key bheetar badalate vayu dabaav seey kull aayatan nirdhaarit karane key liye praasangik bhautik gais niyamon koo lagu karke kyonki iska aakar badal jaataa haye. boyley kaa niyam bataata haye kii ack sthir tapman parr, aayatan (v) aur dabaav (p) vipareet roop seey sambandhit hain. isaliye, jaba ack sthir tapman (samtaap sthiti) banaae rakhaa jaataa haye, tou boyley kaa niyam lagu kiya jaa sakata haye. natijatan, adhikansh praarambhik plathismograph key liye pareekshan kaksh key bheetar tapman-niyantrit parivesh aur samtaap sthitiyon kii aavashyakta hoti haye.
maanyataaen.
vayu visthaapan plathismograph koo mukhya shareer sanrachana mulyankan takneekon key khilaf maanya kiya gayaa haih

