hard vacuum การใช้

• No lighter-than-air matrix or shell containing a hard vacuum has ever been constructed.
• A nebula is hardly distinguishable from a hard vacuum.
• Although a hard vacuum, interplanetary space is reducing, because solar wind consists mostly of hydrogen plasma.
• A Vacuum tube usually has a hard vacuum.
• Find someplace with a nice hard vacuum and no nearby stars or planets to mess things up.
• The suit probably did not reach a hard vacuum, and we began repressurizing the chamber within 15 seconds.
• In space the experiment would be easy, but in an earthly lab, a hard vacuum is not easy to obtain.
• The human body can briefly survive the hard vacuum of space unprotected, despite contrary depictions in some popular science fiction.
• The new RF power amplifiers were said to be made for hard vacuum, but failed rapidly due to internal corona discharges.
• You will likely not escape injury in the event of exposure to a hard vacuum, but your body will be intact.
• :If Mr . Cuddlypants is in the target zone of a particle accelerator, then he must be in a hard vacuum.
• So the tunnel has to be pumped down to a nice, hard vacuum for you to be able to fall through it.
• His solder joint appear clean of flux ( any oversight like this can slow down degassing and pulling a hard vacuum ).
• These types were the first true hard vacuum tubes; early diodes and triodes performed as such despite a rather high residual gas pressure.
• They observed small positive thrusts in the positive direction and negative thrusts in the negative direction, of about 20 礜 in a hard vacuum.
• They were able to evacuate tubes to a lower pressure of 10  " 9 atm, producing the first " hard vacuum " triodes.
• Such dark nebulae have a density of 2, 000 hydrogen atoms per cubic inch _ high for interstellar space but a hard vacuum by terrestrial standards.
• Is it possible to predict, in principle, whether transmission of solitons through hard vacuum could provide more delta momentum per delta energy than a photon drive?
• The spaceman just donned his space suit and opened the hatch, making the interior of the ship a hard vacuum like outside, and the tubes worked fine.
• I pull hard vacuum on regular lab vials all the time and I've never had one break . ike9898 18 : 22, 21 December 2006 ( UTC)