By using the weighted versions of Journe's covering lemma and its extension to highetdimensions, this paper contributes an atomic decomposition theorem for the weighted H^p(0<p≤1)spaces on product domains, get...By using the weighted versions of Journe's covering lemma and its extension to highetdimensions, this paper contributes an atomic decomposition theorem for the weighted H^p(0<p≤1)spaces on product domains, gets a vector value for the index of the moment conditions whichextends the corresponding result in the case with one--parameter to the case with arbitrarynumber of parameters and solves the problem proposed by S. Y. A. Chang &R. Fefferman.展开更多
20（R）-ginsenoside-Rh2,ginsenoside-Rg3 and 20（S）-ginsenoside Rg3 were prepared by the hydrolysis of leaf saponins of Panax notoginseng（Burk.）F.H.Chen with solution of 50% acetic acid and then column chromatograph...20（R）-ginsenoside-Rh2,ginsenoside-Rg3 and 20（S）-ginsenoside Rg3 were prepared by the hydrolysis of leaf saponins of Panax notoginseng（Burk.）F.H.Chen with solution of 50% acetic acid and then column chromatography on silica gel.Their structures were characterized by spectroscopic analysis,chemical degradation and comparison with authentic samples.展开更多
基金Project aupported by the National Natural Science Foundation of China.
文摘By using the weighted versions of Journe's covering lemma and its extension to highetdimensions, this paper contributes an atomic decomposition theorem for the weighted H^p(0<p≤1)spaces on product domains, gets a vector value for the index of the moment conditions whichextends the corresponding result in the case with one--parameter to the case with arbitrarynumber of parameters and solves the problem proposed by S. Y. A. Chang &R. Fefferman.
文摘20（R）-ginsenoside-Rh2,ginsenoside-Rg3 and 20（S）-ginsenoside Rg3 were prepared by the hydrolysis of leaf saponins of Panax notoginseng（Burk.）F.H.Chen with solution of 50% acetic acid and then column chromatography on silica gel.Their structures were characterized by spectroscopic analysis,chemical degradation and comparison with authentic samples.
