A Systematic TMRT Observational Study of Galactic 12C/13C Ratios from FormaldehydeYan Y.,
Zhang J.,
Henkel C.,
Mufakharov T.,
Jia L.,
Tang X.,
Wu Y.,
Li J.,
Zeng Z.,
Wang Y.,
Li Y.,
Huang J.,
Jian J. ) and Ku-band 211-212 (14.5 GHz) K-doublet lines of
H2CO and the C-band 110-111 (4.6 GHz) line of
H213CO
Properties of mH-compact Sets in Hereditary m-SpacesLet (X, m,
H) be a hereditary m-space. A subset A of X is said to be
H-compact relative
to X