Numerous companies offer tests, which may involve blood, urine or saliva collection, and can be very expensive. The results ...
Abstract: The reagent addition control level of the zinc first rougher has a significant impact on the quality of the zinc concentrate. As froth visual features are important indicators of working ...
Abstract: Double-Sided Cooling method of power device has been developed for high thermal dissipation capability to realize high power density. Thermal Transient Test is presented first to identify ...
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