Traditional optical domes are spherical, which have a large air resistance coefficient. In order to reduce the coefficie......

The Church of San Lorenzo in Turin,which was designed by the Theatine architect Guarino Guarini in the 17th century,is a......

在海浪流速过高情况下,为保护叶轮不超载工作,提出一种变角度导流罩装置.流速较小时,流体在导流罩内加速,提高波能利用率降低叶轮......

阐述了蓝宝石整流罩与金属弹体的连接结构和连接方法,从应力缓解、性能可靠性和工艺可行性等方面对连接方法进行了分析比较,指出了......

对严寒、寒冷、夏热冬冷、夏热冬暖4个不同气候区5个典型代表地区的村镇进行问卷调研,得到不同气候区村镇能源消耗现状,并从终端用......

The dome hydro-forming was studied theoretically and experimentally. The theoretical analysis shows that the process of ......