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Blood tubes for collecting lab specimens are called evacuated tubes because all air has been removed from them. The resultant vacuum allows them to fill automatically when connected to a vessel or other specimen source.
The yellow evacuated tubes are for blood cultures.
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The yellow evacuated tubes are for blood cultures.
A heated metal in a vacuum with an electrical charge can emit electrons. The filament is the part of the tube that gets hot. Some tubes use electrons emitted from the filament. Others use the filament to heat a metal cathode, causing it to emit electrons. The electrons flow to a positively charged "plate" electrode through the vacuum.
asystem is evacuated when all non-condensable are removed from it in order to ensure that you have completely removed all non-condensable you have to use a micron gage and pull a 500 micron vacuum
k2edta
Pipes that are manufactured using centrifugal casting. These tubes can withstand a lot ofinternal pressure.
Because rubber is harder to brake than most materials out there and it doesnt attrack electricity
The tubes are called as fallopian tubes.
They are called Fallopian tubes
A group of test tubes are called samples.