New York is the ultimate manifestation of American values.纽约是美国价值观的终极体现。The production and consumption of goods and services is the ultimate aim of all economic endeavour.生产并消费商品和服务是一切经济活动的终极目标。The ultimate solution woul...
Astaxanthin molecular structure which contains 13 conjugated double bonds, is one kind of extremely unsteady carotenoid.虾青素分子结构中含有13个共轭双键, 是一种极不稳定的类胡萝卜素.This article reviews the research progress of astaxanthin in the la...