在色谱分析中,载气净化管中的活性碳可除去(),分子筛可除去(),硅胶可除去()。
参考答案:烃类化合物;微量水及CO2;载气中的水分
The nurse is planning care for a 10-year-old child in the acute phase of rheumatic fever. Which activity would be most appropriate for the nurse to schedule in the care plan
A. Playing ping-pong.B. Reading books.C. Climbing on play equipment in the playroom.D. Unrestricted ambulation.
《高层民用建筑设计防火规范》规定,下列应设防烟楼梯间的建筑物有()
A.一类高层建筑
B.塔式高层住宅
C.建筑高度超过32米的二类建筑
D.裙房