The modifying elements used in hypoeutectic Al Si alloys, besides Na, there are also Sr, Te, Ba, Sb, K, RE, B, S, etc.
亚共晶铝硅合金的变质元素除钠以外，还有锶、碲、钡、锑、钾、稀土、硼、硫等。其中，应用较多的是含钠和锶的变质剂。
This paper describes the application of finite element method for obtaining the TE mode′s cutoff wavelength and the field pattern of symmetric quadruple-ridged rectangle waveguide.
应用有限元分析方法计算了对称四脊矩形波导TE模式的传输特性，即截止波长和场结构图传输特性。
Objective: To investigate the effect of te a polyphenol (TP) s on liver fibrosis in rats and its possible mechanism.
前言：目的：观察茶多酚抗大鼠肝纤维化作用并探讨其作用机制。
Hanno shows you how to tackle this project with a Parallax Propeller, a handy design kit, and an inexpensive camera. It 's time to build the next generation of robots. With today 's te…
Hanno告诉你如何利用一个视差螺旋桨、一个方便的设计套件以及一个廉价的摄像头来处理这个工程。
Hanno shows you how to tackle this project with a Parallax Propeller, a handy design kit, and an inexpensive camera. It 's time to build the next generation of robots. With today 's te…
Hanno告诉你如何利用一个视差螺旋桨、一个方便的设计套件以及一个廉价的摄像头来处理这个工程。
应用推荐