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  • Refers to the oxygen whose oxygen concentration reaches 99.5% of the quality requirements. It is suitable for the adjuvant treatment of respiratory system diseases, heart and cerebrovascular diseases caused by hypoxia to relieve the symptoms of hypoxia; it can also be used for health care oxygen inh

    2022.05.16

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  • 1. Application of liquid nitrogen in food quick-freezing Among the numerous collection methods, the frozen collection method is the most widely used, and the results are also very obvious. Liquid nitrogen quick-freezing, one of the methods of freezing and storage, has long been accepted by fo

    2022.05.09

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  • Cylinders filled with various gases have a bottle valve on the mouth of the bottle to control the gas in and out. Wear a cap on this bottle valve to ensure that the bottle valve is not damaged by machinery and ensure safety. It is an important accessory of the gas cylinder, which is called a safety

    2022.05.05

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  • Why can't the oxygen cylinder, especially the bottle mouth, be contaminated or contacted with oily substances? This problem is not completely familiar to managers engaged in use and storage. Oils and fats, especially those containing unsaturated fatty acids, are easily vaporized and exothermic. The

    2022.04.29

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