Analytical difficulties encountered in the determination of ethyl carbamate, aknown cancinogen, in a wide variety of wines and spirits have been overcome by spe
Two new iridoid glycosides,plicatoside A and plicatoside B,were isolated fromwhole plants of Pedicularis plicata.Their structures were identified as 2’-O-β-D-
Nineteen L-N-2-hydroxyethylamino acids and L-N,N-bis(2-hydroxyethyl)amino acids wereprepared from the reaction of chlorohydrin with L-alanine,L-valine,L-leucine
A new type of macro-micro-macro triple electrode is fabricated. The kinetic equation is obtained by using the decrease in collection current to determine the ki
The ground state and three low-lying states of the H<sub>3</sub><sup>+</sup> are determined by SOCI(Second Order Configuration Interaction) calculations. The resu
On the basis of spectral analysis combined with preparation ofderivatives,nervosin D was identified as ent-12,6β,7β,112,15β-pentahydro-xy-72,20-epoxykaur-16-