What is the relationship of temperature and pressure to depth within the Earth? What is the maximum temperature of the troposphere? In which layer of the atmosphere is oxygen content the highest? How many miles high is Mount Everest? Where is the air pressure greater at sea level or ...
Oxygen大脑皮质一氧化氮合酶氧化性应激氧The purpose of this investigation was to determine the impact of elevated partial pressures of O(2) on the steady state concentration of nitric oxide ((*)NO) in the cerebral cortex. Rodents with implanted O(2)- and (*)NO-specific microelectrodes were ...
The coupling reaction proceeds by simply stirring the substrates under elevated partial pressure of oxygen in the presence of a sulfonic acid catalyst at room temperature. Elevation of the pressure enables the reaction of a broad scope of nucleophile substrates otherwise showing poor reactivity at ...
stay; APACHE = Acute Physiology and Chronic Health Evaluation at admission; SAPS-II = Simplified Acute Physiology Score-II at admission; BMI = Body mass index; PEEP = Positive end expiratory pressure; LOS =Length of stay; FiO2 = Fraction of inspired oxygen; PaO2 = Partial pressure of oxygen...
A broad, planate erosion surface which is formed by the coalescence of contemporaneous, valley-restricted benches developed at the same elevation in proximate valleys, and which would produce a pediment if uninterrupted planation were to continue at this level. ...
by small partial pressure oxygen. Planta 165:486–492 CAS PubMed Google Scholar Jackson MB, Saker LR, Crisp CM, Else MA, Janowiak F (2003) Ionic and pH signalling from roots to shoots of flooded tomato plants in relation to stomatal closure. Plant Soil 253:103–113 CAS Google Scholar ...
The effect of steroids on regional perfusion, intraosseous pressure and partial pressures of oxygen and carbon dioxide in the femoral bone of minipigs Magmatism, contractional deformation, and extension associated with the exhumation of high-pressure rocks in the Scandinavian Caledonides are commonly attr...
Carbon monoxide (CO) is regarded as poisonous because of its high affinity for haemoglobin that causes rapid elevation of carboxyhemoglobin to toxic levels that compromise oxygen delivery to the tissues1,2. On the other hand, CO exerts vasoactive, antiproliferative, antioxidant, anti-inflammatory, an...
Compliance (Cl) was calculated from the injected volume of air per kg wet body weight needed to obtain a pressure of 20 cmH20. Results (mean+SEM) at 3 hours after birth: Group 1 (n=19) 2 (n=l8) 3 (n=3) 4 (n=18) 5 (n=7) pa02(kPa) 29 8+3 8 34 1+5 3 40.327 5 ...
oxygen species leak through the mitochondrial membrane as a consequence of a high metabolic rate. Thus, migrants risk suffering from oxidative stress during autumn and spring migrations, whereas residents run this risk during the winter months due to thermogenesis. In a comparison of migratory and ...