micrometer相关论文
齿轮加工精度直接影响齿轮传动的技术性能,尤其是齿轮齿厚加工精度.目前,企业车间测量齿厚常用齿厚游标卡尺,该测量方法测量精度低......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Micro- and nano-patterning of polymers is essential in nanoscience and nanotechnology. Single macromolecule is a particl......
利用液相沉淀法制备得到了不同形貌的纳米及微米SrB6O10·5H2O∶Eu3,对产品进行了EDS 、XRD、IR、SEM等表征.结果表明反应时间对产......
Monodisperse nonporous silica particles were prepared by sol-precipitation via seed particle growth method, and the part......
