CO OZNACZA SŁOWO PARTIAL PRESSURE
Ciśnienie cząstkowe
W mieszaninie gazowej każdy gaz ma ciśnienie cząstkowe, które jest hipotetycznym ciśnieniem tego gazu, jeśli sam zajmuje objętość mieszaniny w tej samej temperaturze. Całkowite ciśnienie idealnej mieszanki gazowej jest sumą ciśnienia cząstkowego każdego pojedynczego gazu w mieszaninie. Opiera się on na następującej zależności izotermicznej: ▪ Vx jest objętością cząstkową dowolnego składnika gazowego ▪ Vtot to całkowita objętość w mieszaninie gazowej ▪ px jest cząstkowym naciskiem gazu X ▪ ptot jest całkowitym ciśnieniem mieszaniny gazowej ▪ nx jest ilość substancji gazu ▪ ntot to całkowita ilość substancji w mieszaninie gazowej Ciśnienie cząstkowe gazu jest miarą aktywności termodynamicznej cząsteczek gazu. Gazy rozpuścić, rozproszone i reagować w zależności od ich częściowych ciśnień, a nie w zależności od ich stężenia w mieszaninach gazowych lub płynach. Ta ogólna właściwość gazów dotyczy również reakcji chemicznych gazów w biologii. Na przykład niezbędna ilość tlenu do oddychania człowieka i ilość toksyczna jest ustalana przez częściowe ciśnienie tlenu.
Definicja słowa partial pressure w słowniku
Definicja ciśnienia cząstkowego w słowniku to ciśnienie, które gaz, w mieszaninie gazów, wywierałby, gdyby sam zajmował całą objętość zajmowaną przez mieszaninę.
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1
Human Physiology: From Cells to Systems
Gas exchange at both the pulmonary capillary and the tissue capillary levels
involves simple passive diffusion of O2 and CO2 down partial pressure gradients.
No active transport mechanisms exist for these gases. Let us see what partial ...
2
The Massage Connection: Anatomy and Physiology
The pressure exerted by the gas is known as partial pressure (of that gas e.g.
PO2-partial pressure of oxygen). The addition of the partial pressure of all the
gases in the mixture will be equal to the total pressure exerted by the mixture of
gases.
-Ptotal = -Pgasl + fgas2 + * ' ' + ^gasN (17-2) Another way to state this is that each
gas in a mixture of gases at a given volume and temperature has a partial
pressure that is the pressure it would have if it alone occupied the volume. The
entire ...
4
Medical Physiology: Principles for Clinical Medicine
Therefore, the partial pressure of oxygen (Po2), according to the Dalton law, is
determined as Po2 = Pb x Fo2, where Fo2 is the fractional concentration of
oxygen. Because 21% of air is made up of oxygen, the partial pressure (Po2)
exerted by ...
Rodney Rhoades, David R. Bell,
2009
In practice, the blood samples are placed in a series of cylindrical glass
containers into which air mixtures of known oxygen partial pressure are
introduced. Each sample of blood is given time to come to equilibrium with the air
mixture, and ...
Michael Roberts, Michael Jonathan Reiss, Grace Monger,
2000
6
Physical Chemistry for the Biosciences
The partial pressure of oxygen is maintained at 0.20 atm at this depth. 2.33 A
sample of ammonia (NH3) gas is completely decomposed to nitrogen and
hydrogen gases over heated iron wool. If the total pressure is 866 mmHg,
calculate the ...
7
Respiratory Protection Handbook
I. CONCENTRATION AND PARTIAL PRESSURE OF OXYGEN IN
ATMOSPHERIC AIR AND ALVEOLAR AIR In a mixture of different gases such as
air, the total pressure of the gas mixture is the sum of the partial pressures of all
the gases.
8
Chemistry: The Practical Science
What would this pressure be if it were reported in units of kPa, bar, mm Hg, and
psi? 10.3 Mixtures of Gases—Dalton's Law and Food Packaging Skill Review 17.
The partial pressure of O2 in a sample of air on a mountain- top is 115 mm Hg.
Paul B. Kelter, Michael D. Mosher, Andrew Scott,
2008
9
Exercise Physiology for Health, Fitness, and Performance
Minute ventilation, whether measured as inspired or expired, is typically
converted and reported in STPD conditions, although sometimes it may be
expressed as BTPS. Partial Pressure of a Gas: Dalton's Law Dry, unpolluted
atmospheric air is ...
Sharon Plowman, Denise Smith,
2007
10
Chemistry: Principles and Reactions
What is the partial pressure of each gas if the total pressure is 735 mm Hg? 42. A
certain laser uses a gas mixture consisting of 9.00 g HCl, 2.00 g H2, and 165.0 g
ofNe. What pressure is exerted by the mixture in a 75.0-L tank at 228C?
William Masterton, Cecile Hurley, Edward Neth,
2011
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «PARTIAL PRESSURE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
partial pressure w wiadomościach.
Impact of Exercise in Type 2 Diabetes Patients
The results showed that the partial pressure of arterial carbon dioxide was reduced at higher workloads in type 2 diabetic patients. Also ... «Diabetes In Control, Lip 15»
CNOOC selects AEG's power solutions for petrochemical complex in …
The systems will power the control system of torch recovery and the transformer substation for recycled water and air partial pressure, among ... «Chemicals Technology, Lip 15»
AEG Power Solutions To Provide Power Supply To CNOOC …
... recovery and the transformer substation for recycled water, as well as the transformer substation and control system of air partial pressure. «Water Online, Lip 15»
Oil and gas industry announcements: 21 July 2015
... recovery and the transformer substation for recycled water, as well as the transformer substation and control system of air partial pressure. «Energy Global, Lip 15»
Latin America Capnography Equipment Market Will Grow US$ 30.2 …
Capnography is a technique used to monitor the partial pressure of carbon dioxide (CO2) in the respiratory gases. New York, NY, July 18, 2015 --(PR.com)-- ... «PR.com, Lip 15»
Oxygenation in ARDS: A Comparison of Safety, Efficacy
All enrollees had a ratio of partial pressure of arterial oxygen to the fraction of inspired oxygen (PaO2:FiO2)of < 300 mm Hg while breathing ... «Medscape, Lip 15»
Humidity and Temperature Transmitters with BACnet Interface
... such as dewpoint temperature, frostpoint temperature, absolute humidity, mixing ratio, water vapour partial pressure and specific enthalpy. «ThomasNet News, Lip 15»
Mercedes-Benz AMG Coupe (2014 - ) review
Even partial pressure on the throttle gives a truly savage burst of acceleration, and if you keep your foot in, the pace just keeps on building ... «Auto Trader UK, Lip 15»
Magic carbon layer not a sign of extraterrestrial life
As it does so, the surface mobility and local partial pressure of hydrocarbons in the almost non-existent atmosphere will increase. The intensity ... «Ars Technica, Lip 15»
"Nemo's Garden" grows terrestrial crops underwater
There is plenty of CO2 in sea water, and it will be released into the air by normal osmosis as partial pressure of CO2 drops as it is consumed. «Gizmag, Lip 15»