• No results found

High altitude

Fertility in a high-altitude environment is compromised by luteal dysfunction: the relative roles of hypoxia and oxidative stress

Fertility in a high-altitude environment is compromised by luteal dysfunction: the relative roles of hypoxia and oxidative stress

... a high altitude was confirmed by analysis of both the expression of key factors involved in corpora lutea growth and vascularization and of the proper vascularization of the ...a high altitude ...

12

Hydro Power Development in the Himalayan High Altitude Ecosystems Hydro Power Development in the Himalayan High Altitude Ecosystems

Hydro Power Development in the Himalayan High Altitude Ecosystems Hydro Power Development in the Himalayan High Altitude Ecosystems

... Intensive development approach in high altitude ecosystem may have adverse impacts in a long term scenario. Due to the difficult monitoring circumstances there is not only scarcity of long range datasets, ...

15

Limits of human lung function at high altitude

Limits of human lung function at high altitude

... limitation of oxygen from the air to the blood, which increases with altitude. At extreme altitudes, a disabling sense of dyspnea is compounded by cerebral hypoxia, which may further limit exercise. Climbers to ...

7

Hemodynamic characteristics of high-altitude headache following acute high altitude exposure at 3700 m in young Chinese men

Hemodynamic characteristics of high-altitude headache following acute high altitude exposure at 3700 m in young Chinese men

... and high altitudes, which is consistent with a previous study that reported a significant increase in HR after exposure to high altitude because of the activation of the parasympathetic nervous ...

13

Incorporation of High Altitude Balloon Experiment in High School Science Classrooms

Incorporation of High Altitude Balloon Experiment in High School Science Classrooms

... a high-altitude balloon is fun and ...school, high school, and post-secondary students since ...with high school teachers, we have learned that we can bring the high-altitude ...

11

SNPs and TFBS Associated with High Altitude Sickness*

SNPs and TFBS Associated with High Altitude Sickness*

... The two Chinese ethnic groups studied were the Han who are considered upward migrants from low altitudes, and the Tibetans who are high altitude natives. AMS was studied in association with the Han while ...

9

Multi beam coverage and beamforming technology for high altitude platform station communication system

Multi beam coverage and beamforming technology for high altitude platform station communication system

... in high altitude platform station (HAPS) communication is another major factor affecting and limiting system performance in addition to channel fad- ...

10

High Altitude Research In India And Neighbouring Countries

High Altitude Research In India And Neighbouring Countries

... of altitude acclimatization in the eastern Himalayas and observed that acclimatization to a mid-altitude of 3445 could be safely avoided where immediate ascent to higher altitude was ...at ...

16

Stroke at high altitude: Garhwal region, north India

Stroke at high altitude: Garhwal region, north India

... from high altitude area, compared to 1.05/1000 in non high altitude area as per Jha et ...from high altitudes of Eastern Garhwal region in the State of Uttarkhand, North ...

5

A passive high altitude deorbiting strategy

A passive high altitude deorbiting strategy

... higher altitude CubeSat missions a simple and reliable deorbiting mechanism is needed that does not rely on aerodynamic drag only or the use of propellant for orbit ...for high altitude spacecraft, ...

10

Altered Mental Status at High Altitude

Altered Mental Status at High Altitude

... Our differential diagnosis included high-altitude cerebral edema, trauma, ingestion, electrolyte abnormality, infection, or baclofen overdose. He was placed on nasal cannula oxygen while a workup was ...

6

Using of High Altitude Wind Energy

Using of High Altitude Wind Energy

... mately 45˚ in the direction of flow (see Figure 6). 5) Minimum wind speed. The required minimum wind-speed for most of the suggested installation designs is about 2 m/s. The probability of this low wing speed at ...

11

N-carbamylglutamate restores nitric oxide synthesis and attenuates high altitude-induced pulmonary hypertension in Holstein heifers ascended to high altitude

N-carbamylglutamate restores nitric oxide synthesis and attenuates high altitude-induced pulmonary hypertension in Holstein heifers ascended to high altitude

... have high NO levels, which confers higher blood flow as a central adaptive mechanism to high-altitude hyp- oxia ...its high expense ...at high altitudes ...

8

The impact of altitude, latitude, and endurance duration on the design of a high altitude, solar powered unmanned aerial vehicle

The impact of altitude, latitude, and endurance duration on the design of a high altitude, solar powered unmanned aerial vehicle

... the altitude for different flight durations on design of high altitude long endurance solar powered ...operational altitude can lead to a heavier aircraft, in spite of the availability of ...

7

Risk factors for high-altitude headache upon acute high-altitude exposure at 3700 m in young Chinese men: a cohort study

Risk factors for high-altitude headache upon acute high-altitude exposure at 3700 m in young Chinese men: a cohort study

... unified altitude and duration, we performed a field study that was acute high-altitude exposure (All of the participants were brought to a location at 3700 m by plane within 2 ...previous ...

7

Evaluation of Components of High Altitude Stratospheric Airship.

Evaluation of Components of High Altitude Stratospheric Airship.

... an altitude of 20 km from the sea ...the high altitude unfortunately leads to unavoidable space-like challenges as ...pressure, high solar irradiance, and intense ultraviolet (UV) ...other ...

157

Identifying positive selection candidate loci for high-altitude adaptation in Andean populations

Identifying positive selection candidate loci for high-altitude adaptation in Andean populations

... gene associated with skin pigmentation and shown to be under positive selection in European popu- lations but not in East Asian and West African populations—possessed statistically significant LSBL and lnRH values in the ...

12

Acquired attenuation of chemoreceptor function in chronically hypoxic man at high altitude

Acquired attenuation of chemoreceptor function in chronically hypoxic man at high altitude

... non-native high altitude resident this parameter averaged 43% of the value for low altitude controls ...at high altitude. In the high altitude natives the parameter A ...

11

On the formation of the high altitude stagnant cusp:Cluster observations

On the formation of the high altitude stagnant cusp:Cluster observations

... high-altitude cusp under steady northward IMF during the period 0530 – 0900 UT on 16 March 2002. The observations were previously presented by Lavraud et al. [2004]. We use the SuperDARN radar data in order ...

5

A BRIEF OVERVIEW ON HIGH ALTITUDE PLATFORMS(HAPs)

A BRIEF OVERVIEW ON HIGH ALTITUDE PLATFORMS(HAPs)

... as High Altitude Long Endurance platforms (HALE Platforms) and they make use of Electric motors and propellers as propulsion while during the day, they get power supply from solar cells mounted on their ...

6

Show all 10000 documents...

Related subjects