[ Instrument Network Instrument Development ] On June 5th, Shanxi Provincial Metrology Institute organized an expert group to develop "high-speed impact friction spark test device (2014QK125)" and "development of mine high-concentration methane sensor online climate environment test device (2016QK103) "Research on the development of ventilator energy efficiency measurement and detection device" three scientific research projects, and successfully passed the evaluation of scientific and technological achievements.

After review, the expert group agreed that the “Development of High-Speed ​​Impact Friction Spark Test Device (2014QK125)” project is aimed at the needs of coal mine equipment manufacturing and testing industry. It has a number of independent intellectual property rights, and related technologies have been successfully applied, resulting in a larger economy. Benefits and social benefits have reached the domestic leading level in the industry; "Development of online high-concentration methane sensor online climate environment test device (2016QK103)" project is aimed at the industry demand for mine high-concentration methane sensor inspection and testing, and is innovative and produces The large economic and social benefits have reached the international advanced level of the industry; the project “Development of ventilator energy efficiency measurement and detection device” has realized the automation of the whole detection process of the energy efficiency measurement and detection of the ventilator, and has achieved the transformation of the results. Great social and economic benefits; reached the international advanced level of the industry.
(Original title: 3 scientific research projects in our hospital successfully passed the evaluation of scientific and technological achievements)

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Normally the type of single containment (single integrity) tanks are used for storing LOX/LN2/LAR and other cryogenic liquid. It consists of an inner vessel and an outer shell that are field constructed on an insulated foundation. The space between the inner and outer vessels is insulated, usually with expanded perlite and dry nitrogen.

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