propulsion造句(121) It is laid in the sea bottom and will rise to surface with its rocket propulsion.
(122) Bonnie Buratti is a scientist at the NASA Jet Propulsion Laboratory in California.
(123) Successful application of the United States are the Jet Propulsion Laboratory.
(124) In view of the resistance and propulsion, the load water line, shape of sections, half angle of entrance, forms of tunnel and their effect on propeller were analysed and compared.
(125) Also, suggestions to vitalize China aviation industry with putting propulsion in the first place in a manner of "creating and acting on our own " is put forward.
(126) Podded propulsion is a new focus in development of ship propulsion system. The debut of it accelerated the development of electric propulsion.
(127) August 18, the Russian space agency to use the same model with the launch of rockets and rocket propulsion to launch a domestic communications satellite ended in failure.
(128) The propulsion system consists of five F - 1 engines.
(129) Infrared sources of jet propulsion systems were analyzed and their suppression techniques were discussed in this paper.
(130) In additiona, she said fissile material production for nonexplosive purposes, such as for naval propulsion fuel, would not be affected by the successful conclusion of this treaty.
(131) The electric propulsion feasibility and effect in space debris mitigation were studied.
(132) The spacecraft uses a bipropellant integrated propulsion system to reach lunar orbit as well as orbit and attitude maintenance while orbiting the Moon.
(133) The main research direction of Professor Zhan Jialiang is: Propulsion system of spacecraft.
(134) This paper attempts to analyse the tendency to develop liquid propellant rocket propulsion technology according to the requirements o launch vehicles and spacecrafts.
(135) The report, by an international team of astronomers led by Mark Swain at the Jet Propulsion Laboratory in California, appears in the journal Nature (vol 463, pp 637-639).
(136) The paddle wheel was the first form of mechanical propulsion for a boat, but has now been almost entirely superseded by more modern forms of marine propulsion.
(137) Secondly this dissertation analyses two important parts-the screw propeller and the propulsion motor.
(138) A marine propeller propulsion system was first analyzed to describe the objective, clew, and procedure for hull-propeller-engine matching.
(139) According to the results, the author put forth the theory of Canal System of the Meniscus, and consequently the theory of Synovial Fluid Propulsion System, through which the menisci gained then.
(140) In this paper, the trends of solid rocket propulsion technology are discussed.
(141) Exhaust nozzle is one of the key components of pulse detonation rocket engine (PDRE). Exhaust nozzle can be used to improve the propulsion performance of PURE.
(142) Siemens has been awarded the contracts of supplying signalling systems, train control and propulsion system for Guang-Fo Line, China's first intercity mass transit line.
(143) Secondly, we do the initial treatment and non-dimensional treatment of experimental data, and calculate trust coefficient, torque coefficient, propulsion efficiency of propeller on different status.
(144) Their humbler followers , such as partridges, have a like power of strong propulsion, but soon tire.
(145) The distance travelled can be substantial, and the MC is large and will have significant windage, both of which must be considered in choosing the propulsion system.
(146) The levitation system is supplied from on - board batteries and thus independent of the propulsion system.
(147) "I think it's safe to say we're on the threshold of recovery, " says Michelle Santee , an atmospheric scientist at NASA's Jet Propulsion Laboratory.
(148) Manual wheelchair propulsion provides a modicum of exercise and most importantly, provides mobility for non - ambulatory individuals.
(149) Method:To use pyloric ligation, gastric emptying, gastrointestinal propulsion, cassia acutifolia Del. inducing purging models to observe the gastrointestinal tract effect produced with Wuji capsule.
(150) In the steam engine as a driving force, the propeller propulsion for the ship in the past, large-scale multi-mast sailing has always been a European merchant ships and warships of the main ship.