helium的例句（helium在句子中的用法）

• helium balloons for the children’s party 儿童聚会用的氦气球
• Gaseous helium is inert, colorless, odorless, non corrosive, and nonflammable. 气态氦极不活泼, 无色, 无嗅, 无腐蚀性, 不可燃.
• Transfer lines for liquid helium should be well insulated and vacuum jacketed. 用于液氦的转移管应该隔热良好和带有真空夹层.
• Objective To discuss the therapeutic value of low energy helium neon laser in hyperviscosity syndrome. 目的探讨低能量氦氖激光对高黏滞综合征的治疗价值.
• Unlike helium - 4, it cannot be produced by radioactive decay. 与氦 - 4不同之处是, 氦-3不能由放射性衰变产生.
• Helium is a gas used in balloons. 氦是一种用于气球的气体.
• A synthetic element produced in trace quantities by helium isotope bombardment of curium. 锎一种合成元素,由氦同位素轰击锔可得到微量的这种元素.
• He plans to circumnavigate the world in a helium balloon. 他计画搭乘氦气球环绕世界一周.
• The nonrigid helium - filled Blimp was principally developed by Alberto Santos - Dumont ( 1873 - 1932 ) . 软式充填氦气的飞船主要是由桑托斯- 杜蒙特 发展改进.
• Helium is a very light gas. 氦是一种非常轻的气体。