Burial Type and Living Environment of Early Carboniferous Flora form Eastern Liaoning Study on the Taxonomy, Distribution, Development and Utilization of Corylus kweichowensis Hu ANALYSIS OF ACTIVE COMPONENT OF ALOE GELATIN IN DIFFERENT LIVING CONDITION STUDY ON THE HISTOLOGICAL DEVELOPMENT OF THE ADVENTITIOUS ROOT OF ANEMARRHENA ASPHODELOIDES BUNGE AND ITS RELATION WITH THE LIVING ENVIRONMENT