Starlight Low-light Camera Technology
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There are various network surveillance cameras. In terms of form, there are bolts, domes, and domes. From the perspective of functions, there are infrared, explosion-proof, and perceptual cameras. However, regardless of how they are distinguished, the first requirement is to use a security su…

Mine ventilation resistance measurement method
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1 Subject content and scope of application

This standard specifies the instrument for measuring the resistance of mine ventilation, the measurement procedure, the calculation and calculation of the measurement results.

This standard applies to the measurement …

Swing gate product function and installation instructions
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How to install the swing gate device
Swing gate equipment installation: ready to install equipment tools, and inventory parts according to the packing list; clear system composition and work methods, the overall planning, ready to start the installation; after the…

Introduction of manganese ore beneficiation method
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At present, the commonly used method of manganese ore beneficiation mechanical dressing (including washing, screening, re-election, high intensity magnetic separation and flotation), and fire enrichment, chemical processing m…

Concentrator screening safety operation procedures
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1. Strict inspection of all mechanical equipment should be carried out before driving. Whether the motor base is loose, the bearing lubrication is good, the screen surface is intact, firm, and the spring is intact.

2. Before starting the equipment, fir…