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91. Finally, an appropriate throttle valve was chose to serve the superfluid helium system.

92. Lockheed Martin's Persistent Threat Detection System is a tethered aerostat filled with helium designed to stay aloft for long periods of time to provide surveillance of broad areas.

93. Another team, ASACUSA, is studying exotic helium atoms in which one electron is replaced by an antiproton.

94. He also invented the Skyhook, an air rescue system that involved an airplane and a large helium balloon.

95. Objective To discuss the therapeutic value of low energy helium neon laser in hyperviscosity syndrome.

96. The High Temperature Gas-cooled Reactor (HTGR) and external-combustion heat engine firing with non-traditional fuel bring Brayton-cycle helium turbine a very good prospect.

97. After liquid - helium test we find that helium permeability is an important factor for FRP liquid - helium dewar.

98. This design reduces heat leak and vaporization of liquid helium during transportation.

99. That simplest fusion reaction, four hydrogens into one helium, works for turning a ball of gas like the Sun, 865,000 miles across, into a shining star.

100. When a star similar to the sun fuses most of its hydrogen into helium, then the helium into carbon, the star becomes unstable and puffs out into a red giant.

101. After researched with LPC algorithm, A Line Spectrum Pair (LSP) Based Algorithm for Helium Speech Enhancement is proposed in this paper.

102. The moon's lunar soil is chock-full of helium reserves, thanks to the solar wind.

103. Objective To discuss the application of CT fluoroscopy ( CTF ) in argon - helium targeting cryoablation advanced lung malignant tumor.

104. Under the same discharge conditions, the numbers of current pulses per half cycle for helium discharge are more than that for argon discharge.

105. The discharge properties in a hollow-cathode tube filled with gas are measured and the wavelength for Helium discharge is obtained.

106. He plans to circumnavigate the world in a helium balloon.

107. Being odorless, colorless, tasteless, and non - irritating, helium has no warning properties.

108. A dense core of incandescent helium is surrounded by a thin shell of hot, fusing hydrogen.

109. This paper reviews two dimensional electron gas formed on the liquid helium surface, the semiconductor surface space charge layer and the compound semiconductor heterojunction interface.

110. J - T loop is precooled by two - stage pulse tube cryocooler in order to obtain liquid helium temperature.

111. Both were by Ernest Rutherford, who had won the 1908 Nobel Prize in Chemistry in part for his discovery of the alpha particle, which he later proved was the nucleus of a helium atom.

112. Because Helium is used as coolant in High Temperature Gas-cooled Reactor (HTGR), the change of tribological properties of HTGR structure component under Helium is a big problem.

113. If a red giant is big enough (has sufficient mass), once it runs out helium it will move on to fusing other elements.

114. The modular high temperature gas-cooled reactor (HTGR) incorporated with helium turbine is considered as one of the leading candidates for future nuclear power plants.

115. Upon gaining two electrons the alpha particle becomes a helium atom.

116. The Sudbury fullerenes contained helium with compositions similar to some meteorites and cosmic dust.

116. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.

117. Hydrogen atoms are more abundant than either helium or oxygen but their low mass means they are easily swept aside by the high-speed solar wind and can't readily be detected.

118. Much of their explosive power comes from fusing together hydrogen atoms to form heavier helium atoms, which releases far more energy than a fission bomb.

119. In this paper, the performance of the airtightness for vacuum coating equipment, the characteristics of leak detection with Helium Mass-spectrometer and the leak detection system are described.

120. Noble gas( or inert gas ):Any of the six chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon, krypton, xenon, and radon.