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Brand Name : HaoQi |
Product Name : Martborough Hemisphere | |
Model : J21019 | |
Color: Black | |
Place of Origin: Jiangsu, China | |
Application: Laboratory or teaching |
Experimental method
Wipe the contact surfaces of the two hemispheres, apply the grease such as Vaseline and rotate the two hemispheres relatively, then tighten them tightly so that the airtight valve is opened by the close fitting, pumping with the pumping equipment, pumping the gas, and closing the valve. The weights can then be hung on the instrument pull ring or pulled by the students, and the two hemispheres cannot be separated. Open the valve air into the ball, at this time the internal and external gas balance, the two hemispheres are immediately separated.
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