The crude, wet benzoate ( 118 grams ) was disslolved with reflux in 1,400 ml methanol.将粗制 、 湿的苯甲酸酯 ( 118克 ) 回流着溶于140毫升甲醇中.Unimmunized contacts, especially infants, should receive 2 to 4 ml. of hyperimmue gamma globulin i...
示踪剂的分布接近正态分布的样式.The tracer is distributed in a nearly normal fashion.示踪法技术在固态物理学方面给出有关结构和反应的信息.Tracer techniques give information about structure and reactions in solid state physics.波里发现等克分子量的示踪葡萄糖和果糖.Burley found label...
植物学家将这花归入蔷薇科.Botanists refer this flower to the rose family.玫瑰, 红的玫瑰为落叶灌木蔷薇科.Rose, a red rose for the deciduous shrub rose family.蔷薇科和豆科同属一目.The rose and the bean families belong to the same order....