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The mudflow dynamics of the river Gerkhozhan-Su in the section of the mudflow tray and mudslides protection of the city of Tyrnyauz (Central Caucasus) [PDF]

open access: yesE3S Web of Conferences, 2020
Based on the data of route inspection and video surveillance of the mudslides of the river Gerkhozhan-Su have been determined the features of the mudslides dynamics in the section of the mudflow tray.
Dokukin Mikhail   +3 more
doaj   +1 more source

Altitude sickness and altitude adaptation [PDF]

open access: yesActa Physiologica, 2017
For as long as humanity can recall, it has probably been a dream of mankind to conquer mountainous heights and the mysterious deep. Loss of innocence is a common theme across ancient religions. Ancient Hindu legend has an interesting variation on the story: When Brahma realized that man did not deserve divinity, he decided to take it from them and hide
P B, Persson, A, Bondke Persson
openaire   +2 more sources

DL-3-n-butylphthalide improved physical and learning and memory performance of rodents exposed to acute and chronic hypobaric hypoxia

open access: yesMilitary Medical Research, 2021
Background Studies have revealed the protective effect of DL-3-n-butylphthalide (NBP) against diseases associated with ischemic hypoxia. However, the role of NBP in animals with hypobaric hypoxia has not been elucidated.
Gang Xu   +11 more
doaj   +1 more source

Peak emission altitude of Saturn's H3+ aurora [PDF]

open access: yes, 2012
Here we present the first detailed measurement of the altitudinal profile of H3+ emission within Saturn's ionosphere, made using images taken by the VIMS instrument on Cassini on 11–12 October 2006, during a chance alignment between the visible limb of ...
Stallard, Tom S.   +5 more
core   +4 more sources

Hypoxia exacerbates intestinal injury and inflammatory response mediated by myeloperoxidase during Salmonella Typhimurium infection in mice

open access: yesGut Pathogens, 2023
Background High-altitude exposure can cause oxidative stress damage in the intestine, which leads to increased intestinal permeability and bacterial translocation, resulting in local and systemic inflammation. Control of infection is critically dependent
Qinfang Zhu   +6 more
doaj   +1 more source

Morphometric, haematological and physio-biochemical characterization of Bactrian (Camelus bactrianus) camel at high altitude

open access: yesBMC Veterinary Research, 2020
Background Biochemical and haematological parameters have not been determined in Bactrian camels kept at high altitude. Therefore, this study was undertaken to characterise different physiological, haematological, biochemical, and morphometric parameters
Dolker Lamo   +6 more
doaj   +1 more source

The Altitudes of a Triangle

open access: yesThe American Mathematical Monthly, 2023
A long-standing, unanswered question regarding Euclid's Elements concerns the absence of a theorem for the concurrence of the altitudes of a triangle, and the possible reasons for this omission. In the centuries following Euclid, a remarkable number of proofs have been put forward; this suggests a search for the most elementary and direct proof.
openaire   +2 more sources

Inflammation and immunity in the pathogenesis of hypoxic pulmonary hypertension

open access: yesFrontiers in Immunology, 2023
Hypoxic pulmonary hypertension (HPH) is a complicated vascular disorder characterized by diverse mechanisms that lead to elevated blood pressure in pulmonary circulation.
Yi Ye   +11 more
doaj   +1 more source

Excessive gas exchange impairment during exercise in a subject with a history of bronchopulmonary dysplasia and high altitude pulmonary edema [PDF]

open access: yes, 2007
A 27-year-old male subject (V(O2 max)), 92% predicted) with a history of bronchopulmonary dysplasia (BPD) and a clinically documented case of high altitude pulmonary edema (HAPE) was examined at rest and during exercise.
Lovering, AT   +9 more
core   +1 more source

Excessive Iron Availability Caused by Disorders of Interleukin-10 and Interleukin-22 Contributes to High Altitude Polycythemia

open access: yesFrontiers in Physiology, 2018
Background: Because the pathogenesis of high altitude polycythemia (HAPC) is unclear, the aim of the present study was to explore whether abnormal iron metabolism is involved in the pathogenesis of HAPC and the possible cause.Methods: We examined the ...
Yun-Sheng Liu   +15 more
doaj   +1 more source

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