Nasilowski J, Przybylowski T, Zielinski J, Chazan R. Comparing supplementary oxygen benefits from a portable oxygen concentrator and a liquid oxygen portable device during a walk test in COPD patients on long-term oxygen therapy . Respir Med. 2008 ;102: 1021 – 1025 . ,...
Bw Gas Factory Price Industrial Large Capacity Medical Low Power Consumption Cryogenic Air Separation Liquid Oxygen/Liquid Nitrogen Plant, Find Details and Price about Oxygen Maker Oxygen Concentrator Machine from Bw Gas Fa...
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Liquid Oxygen Tank Specification:1.Water Capacity:20m3 2.Working Pressure:0.6MPa 3.Overall Dimension:Dia2600xL6260mm 4.Empty Weight:10675kg 5.Insulation Type:Perlite Powder Vacuum Insulation 6.Inner Vessel Material:X5CrNi18-10 7.Outer Shell Material:Q245R 8.Fluid Proces...
Extraction technique for the determination of oxygen-18 in water using preevacuated glass vials. The need for a rapid, inexpensive technique for routine 18O/16O extraction from water has arisen recently through applications in the medical sciences and ......
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The patterned PDMS device was bonded onto a glass slide with oxygen plasma to seal the microfluidic channels. A piezoelectric transducer (No. 273-073, RadioShack, USA), which converted electrical inputs into acoustic waves, was bonded to the same glass slide. This piezo transducer was driven ...
time.cSchematic of the phase transition of VO2crystals from a high-temperature metallic tetragonal phase R to a low-temperature insulating monoclinic phase M209.dTransmittance spectra of VO2films prepared with different oxygen flow ratios.c, dReproduced with permission from ref.210. Copyright 2018,...
Applicable to all kinds of horizontal acid storage tanks, condensate storage tanks in water treatment, demineralized water tanks, greatly reduce acid mist, carbon dioxide in the air and oxygen pollution to water, to achieve the role of protecting water quality, saving energy an...
The combination of argon gas and vacuum was introduced to purge the furnace chamber (Model G-3000, Materials Research Furnace, Allenstown, NH, USA) to keep the oxygen level at a minimum, and Ar was filled to the atmospheric pressure during the sintering step. The ramping rate used to ...