Objective: To explore the structural characteristics of condensed tannins from Ziziphus jujuba leaves and their effect on tyrosinase and the inhibition mechanism for melanogenesis.Methods: The condensed tannins from Z.jujuba leaves Hub Assembly were isolated and purified on the basis of Sephadex LH-20 gel column chromatography, and their structural
The Bio-Transplants method is a coral grafting method by inoculating coral seedlings/fragments using natural materials.They are dead corals in the DC and DCA categories as a place of attachment.This study aims to see the success of the Bio-Transplants method in compiling Power Wheelchairs indicators of fish species associated with the field of Bio-
This article proposes an approach to the choice of the business strategies of the company in the conditions of complete market demand uncertainty.It is based on using the so-called strategic statistical games - market becomes the first player and the head Shooting Jackets of the organization, Fasteners receiving the administrative decision, the sec
Based on the casting process of zinc ingots, the service condition and structure of the conveyor chain, the failure causes of the conveyor chain are analyzed in detail.By improving the structure and lubrication condition of the roller, the foreign matter can be controlled to invade the rotating pair, and the friction resistance of the chain running
The research aims at recognizing the significance of statistical differences in post test between both researched groups in learning and retaining some rhythmic movements with ball.The research adopts the experimental methodology for its convenience to the nature of the research.The research community includes the female students of college of phys