The free fluorin content in liquid multi - vitamin was quantitatively analyzed by using a simple potentiometric titration.使用简单的电位滴定法定量分析维生素中游离氟的含量.Single aerosol particles inin winter 2004 were analyzed by proton micropr...
She arched her back and stretched herself.她弓起背，舒展身体。Muscular, of medium length, moderately arched, with no dewlap. The head erect.肌肉发达, 中等长度, 略拱, 无赘肉, 使头部竖立....a fortified arched bridge spanning the River Severn.横跨塞文河的加固...
Objective : To explore personality test and brainstem auditory potentials ( BAEPs ) in patients with migraine.目的: 探讨偏头痛病人发作期和间歇期脑干听觉诱发 电位 及个性测定.When meat products, especially broths, are cooked, they often have lower oxi...
玛丽总是最殷勤的女主人。Mary was always the perfect hostess.我不喜欢过分殷勤的店员.I don't like oily shop assistants.殷勤的主人总想设法让他们的客人舒适.Gracious hosts always try to make their guests comfortable....
And then there came, mingling with his half - formed dreams , a most melancholy caterwauling.后来在他迷迷糊糊 、 似睡非睡的状态中,从外面传来一阵非常凄惨的猫儿叫春的声音.The minutest detail counts when mingling mild miners and militant metropolitans.将温和的矿工与...
Inbred mice of the DBA / 2 strain developed severe necrotizing lesions of the pancreatic islets.近亲繁殖的DBA/2系小白鼠发生了胰岛严重坏孢病变.Cells showing immunoreactivity to pancreatic polypeptide, glucagon and substance - P were not dete...
此反应属分子内反应,因而快速且干净利索.The reaction is intramolecular and hence fast and clean.该体系合成的丁苯共聚物具有均匀的分子内和分子间分布.The prepared random SBR has uniform inter ? and intramolecular composition distribution.构象的变化改变了分子内的螺旋方向,因此,旋光方向随之改变.S...