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high altitudes

Environmental Impact of High Altitudes on the Operation of PEM Fuel Cell Based UAS

Environmental Impact of High Altitudes on the Operation of PEM Fuel Cell Based UAS

... For high altitude long endurance (HALE) of unmanned aircraft system (UAS) where fuel cell operates as a prime source of power, the operation and performance of a PEM fuel cell at different level of ...

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Environmental Impact of High Altitudes on the Operation of PEM Fuel Cell Based UAS

Environmental Impact of High Altitudes on the Operation of PEM Fuel Cell Based UAS

... at high altitudes, the PEM fuel cell is going to be supplied by a fresh air from the atmosphere, after warming it up to ...various altitudes, (at 15˚C constant temperature of supply air to the stack) ...

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GENETIC DIVERSITY OF Ephedra procera FROM HIGH ALTITUDES OF QUETTA VALLEY, BALOCHISTAN  USING RAPD AND ISSR

GENETIC DIVERSITY OF Ephedra procera FROM HIGH ALTITUDES OF QUETTA VALLEY, BALOCHISTAN USING RAPD AND ISSR

... Ephedra procera Fisch.&Mey. is one of the important specie of the genus Ephedra of the family Ephedracea (gymnospermae). It has been reported that 42 species represent this genus on the world leve. While the share of ...

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Mitochondrial physiology in the skeletal and cardiac muscles is altered in torrent ducks, Merganetta armata, from high altitudes in the Andes

Mitochondrial physiology in the skeletal and cardiac muscles is altered in torrent ducks, Merganetta armata, from high altitudes in the Andes

... at high altitudes leads to metabolic restructuring of the left ...The high-altitude population had a high activity of LDH in the heart (Table 1; ...other high-altitude taxa (Bigard et ...

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Elevated performance: the unique physiology of birds that fly at high altitudes

Elevated performance: the unique physiology of birds that fly at high altitudes

... of high fliers compared birds in a common environment at sea ...to high-altitude hypoxia also shapes the physiology and flight capacity of highland residents (Cheviron et ...native altitudes before ...

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Temperature-driven changes of pollinator assemblage and activity of Megaleranthis saniculifolia (Ranunculaceae) at high altitudes on Mt. Sobaeksan, South Korea

Temperature-driven changes of pollinator assemblage and activity of Megaleranthis saniculifolia (Ranunculaceae) at high altitudes on Mt. Sobaeksan, South Korea

... Temperature is one of the major abiotic factors affecting pollinator assemblage and activity at high altitudes (Pri- mack and Inouye 1993; Totland 1994b; Thomson 2010; Straka and Starzomski 2015). Major ...

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Common High Altitudes Illnesses a Primer for Healthcare Provider

Common High Altitudes Illnesses a Primer for Healthcare Provider

... to altitudes over 2,500 meters (8,000 ...for high- altitude illnesses because of higher risk of development of acute mountain sickness ...of high altitude exposure to continue to ...of high ...

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No longer tracking greenery in high altitudes: Pastoral practices of Rupshu nomads and their implications for biodiversity conservation

No longer tracking greenery in high altitudes: Pastoral practices of Rupshu nomads and their implications for biodiversity conservation

... 80 families, with about 60,000 SU, together migrated to Skagjung during winter to escape harsher conditions (October to April), undertaking a journey that lasted 20 days (both ways) and using pastures covering 987 km 2 . ...

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Oxygen Supplementation Ameliorates Tibial Development via Stimulating Vascularization in Tibetan Chickens at High Altitudes

Oxygen Supplementation Ameliorates Tibial Development via Stimulating Vascularization in Tibetan Chickens at High Altitudes

... that high oxygen concentrations can modulate mRNA expression of several genes and related protein secretion including hypoxia inducible factor (HIF)-1α (a master oxygen sensitive transcriptional regulator), ...

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DETECTION OF JOVIAN RADIO BURSTS AT HIGH ALTITUDES

DETECTION OF JOVIAN RADIO BURSTS AT HIGH ALTITUDES

... The Jovian decametric radio signals seem to be linked to three longitude regions around the planet marked as A, B, and C source regions. If one of the source regions is facing the Earth, there is a higher probability of ...

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Respiratory and circulatory control at high altitudes

Respiratory and circulatory control at high altitudes

... This explanation is consistent with the observation that if acclimatized lowlanders are given 100% oxygen to breathe at high altitude, while both resting and exercise ventilation for a g[r] ...

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THE HEART AND PULMONARY CIRCULATION IN CHILDREN AT HIGH ALTITUDES

THE HEART AND PULMONARY CIRCULATION IN CHILDREN AT HIGH ALTITUDES

... nary arterial tree explain well the increased pulmonary vascular resistance and the pul- monary hypertension at high altitudesJ. Ar- teriolar vasoconstriction is not an important factor [r] ...

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Dirrofilariasis in Shepherd Dogs of High Altitudes Areas in West Azerbaijan-Iran

Dirrofilariasis in Shepherd Dogs of High Altitudes Areas in West Azerbaijan-Iran

... the high altitude of mountainous area ...areas. High prevalence of asymptomatic Dirrofilariasis in shepherd dogs in this area highlights the need of controlling and preventive ...

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Usefulness of training camps at high altitude for well-trained adolescents

Usefulness of training camps at high altitude for well-trained adolescents

... of high altitudes on the performance of peak athletes over the past thirty years has shown a ...standard altitudes (Bonetti & Hopkins, ...

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Simulations of rarefied and continuum hypersonic flow over re-entry objects

Simulations of rarefied and continuum hypersonic flow over re-entry objects

... at high altitudes may be characterized by low density and thermochemical non-equilibrium while, after a transition zone, the spacecraft will encounter continuum flow where conventional Computational Fluid ...

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Elevation Changes of Morphometric Traits Structure in Pterostichus montanus Motch.  (Coleoptera, Carabidae)

Elevation Changes of Morphometric Traits Structure in Pterostichus montanus Motch. (Coleoptera, Carabidae)

... Many insect species are broadly distributed along elevation gradients. The populations living at the upper and lower elevation extremes experience different environmental conditions that affect them. As the rule ...

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Studies on Physical, Chemical and Bacteriological Characteristics on Quality of Spring Water in Hajigak Iron Ore Mine, Bamyan Province, Central Afghanistan

Studies on Physical, Chemical and Bacteriological Characteristics on Quality of Spring Water in Hajigak Iron Ore Mine, Bamyan Province, Central Afghanistan

... very high and ...from high altitudes to downward, whilst washing out of its entire movement direction, which resulted in the contamination of water, spe- cifically the total coli form bacteria that ...

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Altitude matters: differences in cardiovascular and respiratory responses to hypoxia in bar headed geese reared at high and low altitudes

Altitude matters: differences in cardiovascular and respiratory responses to hypoxia in bar headed geese reared at high and low altitudes

... Bar-headed geese (Anser indicus) fly at high altitudes during their migration across the Himalayas and Tibetan plateau. However, we know relatively little about whether rearing at high altitude (i.e. ...

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Discriminating between clouds and aerosols in the CALIOP version 4.1 data products

Discriminating between clouds and aerosols in the CALIOP version 4.1 data products

... at high altitudes does not provide a statistically significant sam- ple size to constrain the PDFs, and thus the high-altitude PDFs were created by extrapolation from measurements at lower ...lower ...

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Journal of Biomedical Engineering and Technology

Journal of Biomedical Engineering and Technology

... at high altitudes are taking lower insulin doses than the required dose because of the self-monitoring of wrong blood glucose reading and these meters can be affected by the decreased oxygen needed for the ...

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