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  2. Molecular sieve - Wikipedia

    en.wikipedia.org/wiki/Molecular_sieve

    A molecular sieve is a material with pores (voids or holes), having uniform size comparable to that of individual molecules, linking the interior of the solid to its exterior. These materials embody the molecular sieve effect , the preferential sieving of molecules larger than the pores.

  3. Size-exclusion chromatography - Wikipedia

    en.wikipedia.org/wiki/Size-exclusion_chromatography

    Size-exclusion chromatography, also known as molecular sieve chromatography, [1] is a chromatographic method in which molecules in solution are separated by their shape, and in some cases size. [2] It is usually applied to large molecules or macromolecular complexes such as proteins and industrial polymers . [ 3 ]

  4. Oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Oxygen_concentrator

    Oxygen concentrators became the preferred and most common means of delivering home oxygen. The number of manufacturers entering the oxygen concentrator market increased greatly as a result of this change. Union Carbide Corporation invented the molecular sieve in the 1950s, which made these devices possible. It also invented the first cryogenic ...

  5. List of sequenced plant genomes - Wikipedia

    en.wikipedia.org/wiki/List_of_sequenced_plant...

    Early diverging land plant: Ceratodon purpureus: Bryophytes: Early diverging land plant: Fontinalis antipyretica (greater water-moss) Bryophytes: Aquatic moss 385.2 Mbp 16,538 BGI: 2020 [1] BGISEQ-500 & 10X, scaffold N50 45.8 Kbp Marchantia polymorpha: Bryophytes: Early diverging land plant 225.8 Mb 19,138 2017 [2] Physcomitrella patens ssp ...

  6. Sieve tube element - Wikipedia

    en.wikipedia.org/wiki/Sieve_tube_element

    Because the plant vascular system is vital in growth and development of plant cells and the organs within the plant, the role of sieve elements in the transport of necessary carbohydrates and macromolecules is largely expanded. This can be applied to agriculture to observe the way resources are distributed to various parts of the plant.

  7. Air separation - Wikipedia

    en.wikipedia.org/wiki/Air_separation

    A nitrogen generator Bottle of 4Å molecular sieves. Pressure swing adsorption provides separation of oxygen or nitrogen from air without liquefaction. The process operates around ambient temperature; a zeolite (molecular sponge) is exposed to high pressure air, then the air is released and an adsorbed film of the desired gas is released.

  8. Category:Flora of Europe - Wikipedia

    en.wikipedia.org/wiki/Category:Flora_of_Europe

    The WGSRPD botanical continent of Europe. This category contains articles related to the native flora of Europe. For the purposes of this category, "Europe" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions (WGSRPD), namely as one of the nine "botanical continents". It includes the following regions:

  9. Ethanol fuel - Wikipedia

    en.wikipedia.org/wiki/Ethanol_fuel

    Of these methods, a third method has emerged and has been adopted by the majority of modern ethanol plants. This new process uses molecular sieves to remove water from fuel ethanol. In this process, ethanol vapor under pressure passes through a bed of molecular sieve beads. The bead's pores are sized to allow adsorption of water while excluding ...