1. The round objects are the propellant tanks.

2. In a nuclear engine they are simply the propellant gas boiled off stored liquid.

3. The propellant flow rates were controllable either manually or via the on-board computer system.

4. Then a flaring swish as its propellant ignited, accelerating it helter-skelter accumulating redoubtable kinetic energy.Sentence dictionary

5. This propellant combination performs well and permits a fairly compact vehicle design.

6. Thus the propellant remains in the can, can not damage the environment and is unavailable for abuse.

7. The first propellant segment is moulded into an eleven-point star with the points facing inward.

8. To liquefy them for storage in propellant tanks, a considerable amount of electrical energy must be expended to run refrigeration equipment.

9. Ozone has been considered as a candidate rocket propellant for over sixty years.

10. But Columbia lacked at least 450 pounds of propellant in its forward and aft fuel tanks for the task.

11. Early designs used four propellant tanks-two for the fuel and two for the oxidizer.

12. It also allowed the rocket to settle under the stresses produced by the mass of propellant.

13. The thermal energy extracted from the reactor would boil a propellant liquid.

14. Thus, this mission is so demanding that we are forced to use liquid hydrogen as the propellant.

15. The descent engine occupied the centre section, with the propellant tanks arranged symmetrically round the outside to balance the weight distribution.

16. Next come the four segments that contain the solid propellant mixture.

17. In order to achieve a high speed the mass of propellant burnt must be much greater than the mass of the rocket.

18. In that case, we would think first of burning hydrocarbons with liquid oxygen, or even using the hydrogen-oxygen propellant combination.

19. The mission plan called for an upper limit on the amount of propellant that could be used during the descent.

20. The third stage took over after two solid rockets had fired to settle the propellant in its tanks.

21. A particularly simple form of rocket motor uses solid propellant.

22. Rather, it is a power source sufficient for the needs of the propellant factory.

23. The use of polar ice to support such a ballistic-transportation scheme requires a substantial consumption of propellant along the way.

24. An ingenious path to early integration of hydrogen into Martian propellant manufacture has been suggested by Bob Zubrin of Lockheed-Martin.

25. It just happens to be the one that uses the least propellant.

26. However, there is no source of extra oxygen to expend as rocket propellant.

27. Providing life-support materials would take on added importance only after we have found out how to operate the propellant business profitably.

28. An analysis begun Tuesday afternoon and presented to shuttle managers Wednesday concluded that Columbia lacked the maneuvering propellant for a rendezvous.

29. In the types of engine considered below, this is done by using the lightest mass propellant possible-hydrogen.

30. At just ￡5.99 the Blitzer costs less than a can of airbrush propellant!

31. A can of whipped cream uses nitrous oxide, an anesthetic, as a propellant.

32. This is ice that has formed on the outer shell of the propellant tanks.

33. The amount of thrust produced depends on how much of the propellant is burning at any one time.

34. The confusion over propellant was due to the propellant sloshing about in the tanks during the powered descent.

34. is a online sentence dictionary, on which you can find excellent sentences for a large number of words.

35. The solid propellant booster weighs an additional 210 kg.

36. This saves valuable chemical propellant and extends mission lifetime.

37. It is reasonable that this result should be generally applicable also to liquid - propellant rockets.

38. Technology for space chemical propulsion includes bipropellant propulsion, mono propellant propulsion and micro propulsion.

39. After Shenzhou seventh airship replenishment propellant, to will launch the location with rocket docking and the vertical transportation, will carry on the final condition check and the confirmation.

40. A zero-gravity thermodynamic vent system which is desirable to be used in a cryogenic propellant tank is briefly presented.

41. The final operation in propellant manufacture is the curing of the binder.

42. In 1953 the first tactical missile using a storable propellant (nitric acid and carbon-hydrogen fuel), the R-11, was created with a range of 270 km.

43. Unsymmetrical dimethylhydrazine (UDMH) is the main fuel of liquid rocket propellant. Stress is always laid on the pollution of UDMH to water.

44. The paper studies the influence of propellant thickness on the interior ballistic performance of an equilibrium launcher, such as, probable error of muzzle velocity, maximum pressure.

45. The dynamic burning rate parameters of solid propellant of meteorological rocket is tested out and calculated.

46. The pattern of liquid rocket propellant seep and steam diffusion is discussed in this paper, and the model of quantitative analysis is also established.

47. High speed rotation affects the performance of solid propellant rocket motor.

48. The results show that irradiation of the poor uranium alloy had no remarkable influence on the burning properties of three-combination nitroguanidine propellant.

49. Researchers have tossed around theoretical calculations of using just aluminum and water for rocket propellant in the past.

50. Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal.

51. The adding of octogen also does not result in a obvious change of stability index of composite modified double base propellant.

52. Propellant tank and high pressure vessel are important component of satellite prolusion system.

53. On the basis of predigest the process of fluxion in the engine with reason, numerical model is developed for column-style propellant water ramjet engine.

54. The effects of TPUE on the mechanical properties, technique properties, combustion and energy properties of nitramine modified double base propellant are studied.

55. Composite nitroamine propellant is composed of 70 % ~85 % nitroamine and 15 % ~30 % thermosetting binder.

56. The sensitivity properties of minimum smoke propellant based on nitrocellulose(NC) and trimethylolethane trinitrate(TMETN) have been investigated.

57. The combustion wave temperature profiles and flame structures of fuel-rich propellant containing boron are measured by using W-Re micro-thermal couple and flame photo technique.

58. To overcome the difficulties on acquiring enough fault modes from ground and flight test data, the failure process for liquid propellant rocket propulsion systems was modeled.

59. Two accumulative error indices are defined as the discernment signals of the fault detection in a liquid propellant rocket engine.

60. There are no data in the supercritical pressure region for storable propellant combinations.

61. DDT tube, photoelectric cell, strain gauge and witness board are used to study the transition characteristics of the deflagration to detonation of NEPE propellant slurry in the mixing process.

62. Studied the low temperature sensitivity coefficient (LTSC) effect on high-energy nitroamine propellant throgh the termination experiment, closed bomb experiment and interior ballistic experiment.

63. It is an effective new processing way for loading of the solid rocket motor with high loading density, high propellant mass fraction propellant.

64. The first native liquid-fueled rocket engine used a liquid oxygen and carbon-hydrogen propellant, provided 5.6 tons of thrust,[http:///propellant.html] and was installed in unit E.

65. A model describing the process of the crack combustion and propagation in solid propellant was formulated.

66. Rocket propellant has barely changed in the more than 50 years since the launch of the first artificial satellite Sputnik.

67. The nitroguanidine is added to the propellant during its mixing phase.

68. IMPLE algorithm is presented for the two-dimensional compressible flow in solid propellant rocket nozzles.

69. Cellulose ether nitrate as novel energetic adhesive for solid propellant was synthesized.

70. To drive the turbopump unit, gas pressure was derived from a generator that used the main propellant components.

71. Measures usually taken in the astronautical engineering are to install baffles in the propellant fuel container.

72. An identification technique was presented for estimating the impurity level in propellant and the properties of exhaust afterburning, which can not be measured simply by experiment.

73. The missile is a single stage, liquid - propellant design carrying a single nuclear warhead.

74. According to E-pH diagram, theories of propellant thermochemistry and thermodynamics and simple model, mechanism of auto-combustion was discussed preliminarily.

75. The packing of spraying glossy agent is studied in this paper. Selective factor of dissoluble matter and propellant is discussed. By orthogonal experiment the best formulation is given.

76. The pastypropellant is a new kind of chemical propellant derived from solid propellant.

77. The experimental results show that TPB is an ideal curing catalyst of HTPB propellant binder system.

78. The damages in the propellant can be characterized by E(subscript 5%) dewetting energy, permanent stain, and S-shape curve of propellant.

79. The single base propellant has good properties of progressive combustion and low temperature coefficient.

80. A variety of mechanical surfaces have been employed for deflecting the exhaust jets of solid - propellant rockets.

81. The results show that primary action of bonding agent improving RDX/HTPB propellant mechanical property was bonding agent improving interface adhesive effect of RDX grain to HTPB binder.

82. Liquid-fueled DF-5A missiles may not employ storable liquid fuel propellant, possibly requiring a lengthy fueling process before firing.

83. The chemical propellant is packed inside the tool which is lowered on wireline.

84. Vanderbilt University scientist Michael Goldfarb came up with an alternative power source: rocket propellant.

85. The two level distributed control system for cryogenic propellant loading is introduced, taking the Lox loading control system for example.

86. Effect of some inorganic lead salt and aluminium oxide on burning rate pressure exponent and temperature sensitive coefficient of polyurethane composite solid propellant have been investigated.

87. After the mandrel is melted, a thin layer of alloy remains on the propellant surface.

88. As control force source, the solid propellant gas generator was used to exert lateral force for the end control and the turn of vertical launching of missiles.

89. Dark zone is discovered in combustion wave structure of the propellant at low pressure.

90. It is shown that effects of many factors on combustion rate of propellant can be properly predicted by use of this model.

91. After affirming the existence of non-Fourier effect, the hyperbolic equation suited for describing rapidity heat transfer process inside propellant is obtained.

92. With the help of the air dynamic theory of helicopter propeller and propeller fan , the author has completed the structure design of the propellant attaching mechanism.

93. Carbon black is an opacifier which prevents radiant energy transmission to the interior of the propellant.

94. An element method to compute the burning surface of a three-dimensional propellant is proposed in this article.

95. Finally[http://], some characteristics about solid propellant gas filtration are discussed briefly.

96. This research aimed at the fatalness for using liquid rocket propellant in our country spaceflight launch site, applied the principle of safe system engineering to analysis the dangerous factors.

97. Whereas chemical rockets waste too much propellant to reach a net change in spacecraft velocity, electric thrusters can do exactly the same mission using just a small fraction of the propellant.

98. Rocket motor test shows that the new UDMH/NTO bipropellant can satisfy the requirement of gel propellant of rocket motor design.

99. Swelling and porosity of the propellant mixture became evident after 6 days at ambient temperature.

100. According to the trait of rocket propellant a kind of protective gloves made of composite fluorine rubber is developed which can be used to protect the skin of red fuming nitric acid worker.

101. Gel propellant is a new kind of propellant for rocket propulsion and other gas generator.

102. The result shows that the effects of variation of departure angle, initial error, variation of propellant temperature and crosswind on distance were less under the conditions of equal spin-number.

103. Accroding to the principle of low temperature sensitivity charge(LTSC), the application test of LTSC of nitramine propellant in the large middle caliber gun was analysed.

104. This paper deals with the forming technique of the oblate spherical powder and the feasibility of applying it to the large caliber gun propellant charge with high loading density.

105. The atomization mechanism of hypergolic rocket propellant and decomposition combustion at high pressure and turbulence burning of premixed reactant flow field are considered .

106. A chemical agent added to a material, such as rocket propellant, to make it opaque.

107. Somewhat later, the invention of metallic cartridges (containing bullet, propellant, charge, and powder) permitted the development of gas-tight, breech-loading mechanisms.

108. Its can be applied to evaluate the harmfulness of the liquid propellant rocket explosions for the space vehicle launching site.

109. In addition, effects of TPUE on the mechanical properties, technique properties, combustion and energy properties of nitramine modified double propellant are studied.

110. The unmanned supply ship docked with the station Wednesday, bringing propellant, water, experiment hardware, and other items to the three crew members on board.

111. Surface analysis methods were used to investigate the physical and chemical structure of the burning surface of RDX-CMDB propellant before and after combustion.

112. Multifunctional catalyzer with high-energy, smokeless, plasticization and binding function will be another important research tendency for burning rate catalyzer of composite solid propellant.

113. The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.

114. So ADN is the first candidate oxidizer instead of AP in solid propellant in 21 st century.

115. The ignition and combustion characteristics of pasty propellant are important parameters for the motor design.

116. The homogeneity reference material is studied by acoustic emission method for composite solid propellant burning rate.

117. It is assumed that the propellant consists of a finite volume of elements and the burning surface consists of a finite area of elements.

118. Liquid propellant combustion processes are quite complicated and defy precise analytical description.

119. High overload test equipment (HOTE) provides a test to analyze and evaluate the influence of overload on solid propellant rocket motor.

120. This paper focuses on the effect of adding expanded ammonium nitrate on the combustion and mechanics of nitramine propellant, as well as the morphology of impact fractured surface obtained by SEM.

121. Solid rocket propellant is a kind of high-energy material. Therefore, the propellant is easy to combustion and detonation.

122. The ablation mechanism and the performance of carbon-phenolic material of solid propellant rocket nozzles are studied.

123. The poisonous gas in combustion gases for gun propellant by manometric bomb test was analyzed by infrared spectrum technique.

124. Propellant is another term for the fuel of a rocket.

125. The Catalysis effect of tertiary butyl-ferrocene and lead chromate etc. on RDX/AP HTPB propellant burning rate has been examined.

126. The rheological properties of the composite propellant slurry were studied employing a HAAKE rotational viscometer.

127. The progress of the aging property of solid propellant were reviewed.

128. To reduce the mass of the propellant management device and the screen area used,[] the design was aimed to use the minimum mass to meet the requirement.

129. Flame temperature measurements can be used as a guide in discussing enevgetics of a homogeneous propellant.

130. The loading of the missile propellant components was carried out from mobile loading units delivered to the launching site after the missile.

131. When valve of rocket propellant pipeline is opened or closed, water hammer will arise in pipeline.

132. With electric energy as the energy source, electromagnetic launcher is much cheaper to use than rocket propellant using gunpowder.

133. After TMETN is substituted for NG, the impact and friction sensitivity of the propellant decrease obviously.

134. The tests have shown that the single-base porous propellant deterred by EGDMA have appropriate burning time, low energy loss, and better progressive burning in comparison to the single-base of 15/19.

135. A detailed examination was made of energy partition in an impacted solid propellant.

136. Anti-stick coatings for stripping of solid rocket propellant, which could be cured at room temperature had been successfully developed.

137. This paper attempts to analyse the tendency to develop liquid propellant rocket propulsion technology according to the requirements o launch vehicles and spacecrafts.

138. The infrared laser plume measuring system is established to evaluate the performance of solid propellant.

139. It is difficult to separate the inherent stability of the element configuration from that of the propellant inlet state.

140. Some stratification exists in the spray produced by any liquid propellant injector.

141. The combustion catalyst adopted by ordinary double base propellant can adjust the burning rate. It's necessary to study further on the combustion mechanism.

142. The military vertical mixer is the special equipment to process solid propellant of missiles.

143. Conclusion Chronic effect, induced by liquid rocket propellant, was observed in our study.

144. As the air-breathing engine, the performance of solid rocket ramjet is determined not only by structure of engine and the performance of propellant, but also by flight condition.

145. A mass solid propellant.

146. Furthermore, test on the influence of metal content of propellant to the performance of water ramjet engine is carried out.

147. IR measuring system was developed aiming at the demand of low characteristic signal propellants. The system was used for measuring several formula propellant plumes.

148. A thermoplastic polyurethane elastomer(TPUE) which has good miscibility with NG is synthesized and used in thermoplastic composite solid propellant propellant(TCSP).

149. The results of the calculation and the analysis of effects of combustion chamber pressure, mixture ratio, propellant injection temperature and injector type on the combustion processes are reported.

150. The results show that the combustion ablation of oxygen bomb parts and the sample incomplete combustion must be resolved in the combustion heat test for fuel-rich propellant based on boron.

151. The results show that strength of NEPE solid propellant under multi-axis stress state is related to strain; octahedral shear stress nonlinearly increases with the average main stress.

152. Solid propellant engine systems are basically less flexible in operation than liquid or hybrid propellant systems.

153. In this study, we study the combustion property of TEGDN gun propellant and nitramine propellant, both of which are high energy and high strength propellants.

154. The use of the solid propellant has significantly reduced the launch preparation time.

155. A two - component rocket propellant,[/propellant.html] such as liquid hydrogen and liquid oxygen chamber as fuel and oxidizer.

156. This paper introduces the design and tests of a motor ignitor loaded with high energy propellant which is a mixture of HTPB and HMX.

157. A new method to measure gun muzzle smoke is adopt to investigate the influence of some gun propellant deterrents.

158. The results show that PDADN can increase burning rate and energy of nitramine modified propellant.

159. It will burn a mixture of solid propellant (HTPB, or hydroxyl-terminated polybutadiene) and liquid oxidiser (high-test peroxide, HTP) for 20 seconds.

160. A real-time temperature measurement device for rocket propellant is designed according to similarity criterion.

161. The helpful effect on propellant slosh effects was a secondary consideration.

162. The model predicts the transient variations of gun chamber pressure, projectile motion and the decomposition rate of propellant.

163. In the field of hydrazine propellant monitoring, Virtual instrument has a very wide using foreground.

164. The chief exception was lengthened second - stage propellant tanks to increase the payload by 300 kilograms.

165. Baesd on theoretical analysis and test, the reason that nitrogen tetroxide has been measured in- accurately in red fuming nitric acid as missile propellant is found out.

166. A liquid , CH 3 NO 2, used in making dyes and resins, in organic synthesis, and rocket propellant.

167. The variation of residual energy of propellant in ammunition after long period storage is stud - ied.

168. From the point of view of enhancing the burning progressivity and total energy of gun propellant, a new conception gun propellant and charge i.

169. The conclusion that the measurement accuracy for liquid propellant residue volume attains to 1 % of the total tank volume was obtained with total error analysis and suitable correction.

170. To lower the combustion pressure or increase the nitroglycerine content of the propellant can increase the critical value.

171. This paper discusses the reduced smoke propellant of HTBP applied to air-to-air missile rocket motors.

172. Extend - range solid propellant rocket motor is an important part of the hybrid base - burner - rocket extending range shell.

173. Combustion wave temperature distribution of GAP/AN propellant was studied by means of advanced double W Re microthermocouple technique.

174. Abstract: The variation of residual energy of propellant in ammunition after long period storage is stud - ied.

175. Based on modified Arrhenius formula, an integral method and a two-step regression method for storage life prediction of solid propellant are presented.

176. This thesis is focused on the hydrosilylation of ferrocenylsilanes, expecting to solve the problem of migration of ferrocene derivatives as combustion catalyst in solid propellant.

177. Two kinds of monolayer cobottom tanrs which store N2O4 and UDMH liquid propellant are used in many launch vehicles in foreingn countries.

178. Some propellant droplets may not evaporate within the confines of the thrust chamber.

179. The core of the propellant is hollow and it burns out from the middle so that the gas accelerates through the hollow core out of the back of the solid rocket booster.

180. Low characteristic signal propellant has advantage for improving missile penetration ability and survival ability.

181. The nitrogen used for pressurization of liquid propellant tanks is usually stored in high-pressure tank.

182. Solid propellant is fuel and core part of solid rocket motor.

183. KD can improve the burning rate of this type of propellant and can help "Pb-Cu-CB" composite combustion catalyst to enhance plateau effect of this type of propellant.

184. The effect of carbon black on burning properties of modified nitramine double base propellant was detailed in this paper.

185. The combustion wave temperature profiles and the flame structures of fuel-rich propellant based on boron were measured by using W-Re micro-thermal couple and flame photo technique.

186. An experimental test apparatus and procedure for measuring erosive burning rates of solid rocket propellant is described in the present paper.

187. Hydroxylammonium nitrate ( HAN ) is the main active toxic component of the new HAN based liquid propellant.

188. The reasons causing gun propellant charge temperature coefficient and the methods of reducing charge temperature coefficient and increasing gun projectile muzzle velocity have been studied.

189. Rocket propellant technology is an important sign for national defense level.

190. Perchlorate is a toxic chemical commonly used in the defense industry,[] such as rocket propellant and other products.