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Related Concept Videos

Physical Principles Governing Gas Exchange01:16

Physical Principles Governing Gas Exchange

Gas behavior plays a vital role in understanding bodily processes such as external and internal respiration. External respiration involves the diffusion of oxygen into the blood and carbon dioxide out of it in the lungs. In contrast, internal respiration happens in body tissues, where these gases move in opposite directions.
Gas Laws Governing Respiration
The behavior of gases is guided by Dalton's Law of partial pressures and Henry's Law.
Dalton's Law asserts that the total pressure exerted by...
Gas Exchange and Transport01:20

Gas Exchange and Transport

Gas exchange, the intake of molecular oxygen (O2) from the environment and the outflow of carbon dioxide (CO2) into the environment, is necessary for cellular function. Gas exchange during respiration occurs largely via the movement of gas molecules along pressure gradients. Gas travels from areas of higher partial pressure to areas of lower partial pressure. In mammals, gas exchange occurs in the alveoli of the lungs, which are adjacent to capillaries and share a membrane with them.
Respiration and Gaseous Exchange01:20

Respiration and Gaseous Exchange

The intricate interplay between the cardiovascular and respiratory systems is crucial for efficiently transporting respiratory gases throughout the body. Let us explore the cardiovascular system's multifaceted functions, emphasizing its pivotal role in gas exchange.
Respiration involves the exchange of gases, especially oxygen (O2) and carbon dioxide (CO2), between the alveoli and body cells, a process facilitated by blood circulation. As a result, the cardiovascular system, which involves the...
Ideal Gas Equation01:17

Ideal Gas Equation

The ideal gas equation is an equation of state that relates the state variables pressure, volume, temperature, and the number of moles of a hypothetical gas. This equation is a combination of four empirical laws, namely Boyle’s Law, Charles’s Law, Avogadro’s Law, and Gay-Lussac’s Law. When the proportionalities of the above four empirical laws are combined, it results in a single proportionality constant known as the universal gas constant.
Adiabatic Processes for an Ideal Gas01:18

Adiabatic Processes for an Ideal Gas

When an ideal gas is compressed adiabatically, that is, without adding heat, work is done on it, and its temperature increases. In an adiabatic expansion, the gas does work, and its temperature drops. Adiabatic compressions actually occur in the cylinders of a car, where the compressions of the gas-air mixture take place so quickly that there is no time for the mixture to exchange heat with its environment. Nevertheless, because work is done on the mixture during the compression, its...
Homogeneous Equilibria for Gaseous Reactions02:15

Homogeneous Equilibria for Gaseous Reactions

Homogeneous Equilibria for Gaseous Reactions
For gas-phase reactions, the equilibrium constant may be expressed in terms of either the molar concentrations (Kc) or partial pressures (Kp) of the reactants and products. A relation between these two K values may be simply derived from the ideal gas equation and the definition of molarity. According to the ideal gas equation:

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COMBINED ULTRA-HIGH FREQUENCY UNIT FOR IN-STREAM WATER PURIFICATION.

Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine·2018
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[INVESTIGATION OF THE COMBINED DISINFECTANT EFFECT OF ULTRA-HIGH FREQUENCY ENERGY AND SILVER ON WATER IN FLOW].

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[Modification of the cytogenetic effects of irradiation by water with the reduced content of deuterium and heavy isotopes of oxygen].

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[Water disinfection by the combined exposure to super-high frequency energy and available chlorine produced during water electrolysis].

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Related Experiment Video

Updated: May 10, 2026

Biogas Purification through the use of a Microalgae-Bacterial System in Semi-Industrial High Rate Algal Ponds
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Biogas Purification through the use of a Microalgae-Bacterial System in Semi-Industrial High Rate Algal Ponds

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[Gaseous content regeneration system].

S I Klimarev, Iu E Siniak, É A Kurmazenko

    Aviakosmicheskaia I Ekologicheskaia Meditsina = Aerospace and Environmental Medicine
    |July 2, 2013
    PubMed
    Summary
    This summary is machine-generated.

    This study details an atmosphere revitalization system (ARS) for life support systems (LSS). It focuses on preventing solid carbon formation during carbon dioxide and hydrogen processing using the Bosch reaction.

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    Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation

    Published on: July 13, 2012

    Area of Science:

    • Space Exploration Technologies
    • Chemical Engineering
    • Environmental Science

    Context:

    • Designing advanced life support systems (LSS) for future space missions is critical.
    • Atmosphere revitalization systems (ARS) are essential components for maintaining habitable environments.
    • Managing by-products like solid carbon during gas processing presents significant engineering challenges.

    Purpose:

    • To present a novel design for an atmosphere revitalization system (ARS).
    • To investigate methods for preventing solid carbon formation during CO2 and H2 processing.
    • To integrate key components for efficient gas regeneration and material balance.

    Summary:

    • The proposed ARS design centers on the Bosch reaction for CO2 conversion into CO and water.
    • Key components include a palladium membrane for hydrogen purification, water electrolysis, and hydrogen storage.
    • Zeolites are utilized for CO2 removal and concentration, with microwave energy absorption capabilities.

    Impact:

    • Successfully mitigating solid carbon formation enhances the longevity and reliability of LSS.
    • This design contributes to closed-loop life support systems, reducing resupply needs.
    • The integration of advanced materials like LaNi5-based intermetallides and zeolites offers efficient gas management solutions.