Results 1 to 10 of about 322,511 (337)
Fractional-Order Identification of Gyroscope MEMS Noise Under Helium Exposure. [PDF]
Sierociuk D, Macias M, Markowski KA.
europepmc +2 more sources
Reduction of the Pressurization System Final Mass for a Modern Rocket Launcher [PDF]
The work focuses on optimizing the pressurization system’s operating performance for a fuel tank of a turbo-pumped liquid propellant rocket engine. This system is the most complex and expensive in a medium-size launch vehicle, after the engine.
Yurii Mitikov, Olexiy Shynkarenko
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Therapeutic gases used in balneotherapy and rehabilitation medicine - scientific relevance in the last ten years (2011 – 2020) - Synthetic literature review [PDF]
: Background. The medical relevance of therapeutic gases can range from use in burns and stroke victims to hypoxia therapy in children. However, medical gases such as oxygen, hydrogen, helium and xenon have recently come under increased exploration for
MUNTEANU Constantin +3 more
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Assessing the expansion of the Cambrian Agronomic Revolution into fan-delta environments
The intensity, extent, and ecosystem-level impact of bioturbation (i.e. Agronomic Revolution) at the dawn of the Phanerozoic is a hotly debated issue.
Andrei Ichaso +4 more
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Models of helium enrichment in helium-rich gas reservoirs of petroliferous basins in China
Owing to the characteristics of chemical inertness, low molecular weight, low boiling point, strong permeability and high heat conductivity, helium is extensively used in the fields of aerospace, low-temperature superconductivity, medicine and high tech,
Shengfei Qin +4 more
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Helium, a coordinated resource in natural gas, is an essential and strategic resource, but research on its enrichment mechanism is relatively weak.
Shengfei Qin +4 more
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Carbon dioxide (CO2) is released from the Earth’s interior into the atmosphere through both volcanic and non-volcanic sources in a variety of tectonic settings.
Paolo Randazzo +10 more
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Nicotinamide adenine dinucleotide and the sirtuins caution: Pro‐cancer functions
This scoping review aims to perform a brief but comprehensive assessment of existing peer‐reviewed literature and determine whether raising nicotinamide adenine dinucleotide can prevent or promote tumorigenesis. The examination of extensive peer‐reviewed
Raymond D. Palmer, Mauro Vaccarezza
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Electron beam melting (EBM) is a metal powder bed fusion additive manufacturing (AM) technology that facilitates the production of metal parts by selectively melting areas in layers of metal powder.
Elroei Damri +5 more
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Nicotinamide adenine dinucleotide (NAD) is a coenzyme found in every human cell and regulates a number of systems across multiple cellular compartments and tissue types via an endogenous and exogenous influence.
Raymond D. Palmer +2 more
doaj +1 more source

