I felt a sharp pain in my lower back.我感觉到后腰一阵剧痛。Basal metabolism is much lower for creatures in cold water.冷水中生物的基础代谢速度要低很多。Companies are moving jobs to towns with a lower cost of living.各公司正在把工作岗位转移至生活费用较低的城镇。...
It is like a chemical reagent.这就像是一种化学试剂.This bifunctional reagent links protein molecules to one another.这种双用试剂把蛋白质分子彼此连接起来.The reagent possesses specificity for water.这种试剂对水有特殊的作用....
Methods: 30 male SD rats ( islet donors ) were randomly divided into 3 groups.方法: 取30只SD雄性大鼠随机分成3组,采用胶原酶V型 胰管灌注分离消化及 Ficoll 纯化,制备三种不同纯度的胰岛.He urged donors to step up their efforts to send aid to Somalia.他敦促各捐赠方加快速度将援助物资送...
Super - fluidics floatation is high efficient compared with commons.超效 射流气浮技术同传统的气浮方法相比,更显得高效实用.The variation of relative parameters of sugar juice during the fluidics cane sugar factory was introduced.介绍了超效射流技术用于糖厂混合汁提纯...
我喜欢吃石榴, 不过石榴皮很难剥.I love to eat pomegranates, but they are difficult to peel.以石榴皮为原料,提取得到了天然黄色素.A yellow pigment was extracted from granatum.结果表明,石榴皮中总黄酮. %,石榴渣中总黄酮2.04%.The result indicate that the pomegranate husk conta...