Whether there exists extra dimensions is an interesting and fundamental question. In this article, certain aspects of this have been explored theoretically. For this purpose, we first discuss the role of an extra dimension in the early unification of the classical Einstein gravity and electr...
Judges question API case against SEC 机译:法官质疑针对SEC的API案 Platt's Inside EnergyEXTRA 2013 原文传递 原文传递并翻译 示例 加入购物车 收藏 分享 5 US fining Exxon $1.7M for 2011 spill 机译:美国对埃克森美孚公司罚款170万美元,以应对2011年的漏油事件 Platt's Inside EnergyEXTRA ...
The SS6900 has a lower coeficiancy of friction and higher speed rating compared to other ball bearing types of the same size. When the use of a thrust type ball bearing is not suitable due to high speeds the SS6900 series can be used to bear pure axial loads. The SS6900...
It is commonly known that hydrogen is an environmentally friendly alternative fuel, and its production would partially cover the gap in energy market requirements. However, developing new cheap catalysts for its production from crude oil is still a challenging area in the field of petroleum and the...
With the decrease in shallow mineral reserves, deep mineral resources have become the focus of exploration. Seismic exploration, renowned for its deep penetration and high spatial resolution and precision, stands as a primary technique in geophysical exp