(三) 基础知识-1(总分:77.00,做题时间:90分钟)一、A1型题(总题数:77,分数:77.00)1.保持正常子宫前倾位置的主要韧带是∙ A.主韧带∙ B.骶结节韧带∙ C.圆韧带∙ D.阔韧带∙ E.宫骶韧带(分数:1.00) A. B. C. √ D. E.解析:本题考查子宫韧带的知识。子宫有4条韧带,与盆底组织一起维持子宫正
云南化工Yunnan Chemical Technology2020年2月第47卷第2期通风柜风量Fed.2020Vol.47,No.2doi :10.3969/j.issn.1004-275X.2020.002.007新型环境材料水钠锰矿应用研究进展尹成彬,方继敏*(武汉理工大学资源与环境工程学院,湖北武汉4300701)摘破真空阀要:基于水钠锰矿具有特殊层状结构及理化性质,在环境污染防治、电极
锰氧化度对水钠锰矿电容性能的影响∗罗瑶;刘立虎;贾赵恒;谭文峰;刘凡;邱国红【摘要】Layered birnessites were prepared by reflux reaction of concentrated hydrochloric acid and KMnO4 at 100 ℃.The Mn average oxidation state (AOS),affected by the
锰氧化度对水钠锰矿电容性能的影响∗罗瑶;刘立虎;贾赵恒;谭文峰;刘凡;邱国红【摘要】Layered birnessites were prepared by reflux reaction of concentrated hydrochloric acid and KMnO4 at 100 ℃.The Mn average oxidation state (AOS),affected by the