<正> Since Latt reported his 5-bromodeoxyuridine (BrdU)-labelling plus 33258 Hoechststaining procedure for the detection of sister chromatid exchanges (SCE) in
<正> Beginning from the late sixties, American scientists, such as J. C. Barnes et al., have successfully studied snow hydrology and snow mapping from meteorolo
<正> The activities of binary fused salt systems may be directly determined by emf measurement on reversible chemical cells, but it is difficult to employ this
<正> For many years past, the living world has been known to consist of two kingdoms, Plantae and Animalia, fungi and bacteria being regarded as plants lacking