泪水是由泪腺分泌的.Tears are secreted by the tear glands.泪腺和唾液腺淋巴细胞增生,可引起两侧腺体无痛性肿大.Proliferation of lymphocytes in lacrimal and salivary glands may cause bilateral painless enlargement.目的利用普罗卡因封闭泪腺治疗泪液分泌过多症.Objective To remedy la...
具有大型技术或制造企业工作经验优先.Experience working for large technology or manufacturing organisation would be an advantage.证实: 显示或制造证据的行为.Demonstration: The act of showing or making evident.为了延长其使用寿命, 人们采用堆焊的方法来修复或制造模具.In order to pr...
环己酮和过氧化物可用来化替过氧化环己酮.Cyclohexanone and peroxide may be used in place of cyclohexanone peroxide.己酮糖:一种六碳的酮糖.例如果糖.Ketohexose A ketose SUGAR with six carbon atoms , e . g . fructose.提出了环己酮在这类催化剂上双聚反应的机理.Reaction pathway of c...