| 释义 |
h-bar
h-bar H5098700 (āch′bär′)n. See Dirac's constant.h-bar n (General Physics) another name for Dirac constant h-bar
h-bar[′āch ‚bär] (quantum mechanics) A fundamental constant equal to h /2π, where h is Planck's constant. Symbolized ℏ. Also known as Dirac h; h-line. H-barA steel bar shaped like an H; used in structural systems; one form of main runner in a suspended acoustical ceiling.GZMA
GZMA A gene on chromosome 5q11-q12 that encodes a T-cell- and natural killer cell-specific serine protease required for target cell lysis in cell-mediated immune responses. |