high vacuum वाक्य

उदाहरण वाक्य

1. :You don't need a particularly sturdy container to contain ultra high vacuum.
2. Older instruments may have used oil diffusion pumps for high vacuum regions.
3. Such pumps inexpensively and reliably produce extremely low pressures in ultra-high vacuum systems.
4. These metals are therefore relatively volatile, and are avoided in ultra-high vacuum systems.
5. In electron microscopy ( EM ), samples are imaged in an ultra-high vacuum.
6. High vacuum also eliminates oxidation that might occur in the presence of air.
7. Dicoronylene sublimes under high vacuum, 0.001 torr, between 250 �C and 300 �C.
8. After preparation, it is usually purified by high temperature sublimation under high vacuum.
9. Ultra-high vacuum systems are usually made of stainless steel with metal-gasketed vacuum flanges.
10. Stopcock grease is always used in high vacuum applications to make the stopcock air-tight.