The status and problems to be done in the polarizations of produced hyperons,magnetic moments of baryon octet,weak radiative hyperon decay and baryon semileptonic decays are reviewed.

The coupling problem of the three different intermediate processes J/ψ→ωf_2(1270), f_2→π~+π~- and J/ψ→b_1~±(1235)_π~,b_1~±→ωπ~± included in the hadronic decay process J/ψ→ωπ~+π~- is discussed.

Study on the decay law of cotton fibre performance in spinning using multivariate statistical analysis;