英和和英

名詞

isomass

1. (physics) A condition of having the same mass.
   • 2004, Klaus G. Heumann, Handbook of Elemental Speciation: Techniques and Methodology, ISBN 0470868376:

     If a packet of isomass ions is accelerated through the same potential difference, the ions will achieve an equal velocity and arrive at the detector with a time spread corresponding to their initial spatial distribution in the direction of the flight tube.

   • 2010, H. V. Klapdor-Kleingrothaus, Seventy Years of Double Beta Decay, ISBN 981283236X:

     In Fig. 4 the isomass lines of equal m_ee in the oscillation parameter space are shown, together with various bounds from existing and future reactor and accelerator oscillation experiments.

   • 2013, Sarah A. Fagents, ‎Tracy K. P. Gregg, & ‎Rosaly M. C. Lopes, Modeling Volcanic Processes: The Physics and Mathematics of Volcanism, ISBN 052189543X:

     Values of square root of area and mass/area of isomass lines for the Etna 1998 tephra deposit.

2. (cyrstallography) The mechanism by which crystal formation tends toward spherical formations which minimize the surface to volume ratio.