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Deferrated ferrous silicalite 1(D) catalyst useful for selective oxidation of methane to methanol, comprises a calcined ferrous silicalite-1(C) in which extra-framework ferric sites and iron-oxide clusters are removed 2024-02-19
Water pumping system for pumping water from wells or reservoirs used in industrial activity, has pendulum used to provide alleviation of work, and pendulum is used instead of large swings, and efficiency of plant is increased by modification of pendulum 2023-10-19