In the sub - zero weather, their exhausts plumbed white in the grey streets.在严寒天气, 他们的排气管在灰色的街道上吐着缕缕白烟.Typical composition of the auto exhausts is given in Table IV - 6 .汽车尾气的典型成分示于表Ⅳ -6 中.Her book on child - care exhaus...
These particulate creatures are hardly visible to the naked eyes.这些微小的生物肉眼几乎看不见。Visible particulate matter can be controlled by adequate regulations.对肉眼可见的颗粒物质的污染通过适当管理即可加以控制.Lungs retain relatively insoluble particulate...
Objective : Now , the best Rx for CNS diseases, such as PD and AD , is transplanting neuralcells.神经细胞移植是中枢神经系统(centralnervoussystem,CNS) 退行性疾病 、 遗传性疾病和中枢神经系统损伤引起的神经系统功能障碍最佳的治疗方案....