The produced barium sulfide enters the leacher, and the temperature is controlled above 65°C to obtain a barium sulfide content of 70%, and then enters the clarification barrel, add zinc sulfate for reaction after clarification, control the zinc sulfate content to be greater than 28%, pH=8~9, and obtain a mixture of barium sulfate and zinc sulfide with a density of 1.296~1.357 g/cm3.
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2025-08-14 05:00
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The corresponding angle of twist is read off a calibrated scale on the wrench The corresponding angle of twist is read off a calibrated scale on the wrench
2mm garden wire can also be used for a variety of other tasks in the garden2mm garden wire can also be used for a variety of other tasks in the garden
The cage features a unique, open design that allows air and sunlight to reach the tomato plants, promoting healthy growth and reducing the risk of disease The cage features a unique, open design that allows air and sunlight to reach the tomato plants, promoting healthy growth and reducing the risk of disease