helium造句
151. Unlike helium - 4, it cannot be produced by radioactive decay.
152. If specified by the design document, halogen, helium, alkaline air or other method is adopted for gas leakage test, special technical specification shall be duly followed.
153. They would form helium and a subatomic particle, called a neutron.
154. Performs Helium leak test of gas controlling system with complex manifolds.
155. Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
156. The image was captured using four narrow-band filters that have been tuned to see hydrogen as well as ionized helium, sulfur and oxygen.
157. This Paper discusses the method for uranium exploration based on the analysis of helium in water leaching soil samples using ion pump helium detector.
158. The transformation of the formant central frequency and bandwidth is the main causation cause the Helium speech.
159. Hydrogen might be depleted with some of it turning into helium.
123456