The Environmental Kuznets Curve has been demonstrated by the experience of developed countries' s histories, and the circular economy pattern is now being exploring and practicing in many countries.
环境库兹涅茨曲线已被发达国家的历史轨迹所证明,循环经济模式也正在被许多国家探索和实践着。
This paper designs a S-band feed system for HPM antenna, which consists of a dual-mode conical horn and a rectangular-circular mode convertor.
本文设计了一种S波段高功率微波天线的馈源系统,该系统由双模圆锥喇叭和矩-圆模式转换器两部分组成。
The hydrodynamic lubrication performance of rectangle, inclined plane, circular-arc, triangle, multi-arc and sine surface texture was researched with CFD method based on N-S equation.
采用基于N - S方程的CFD方法,研究矩形、斜面台阶形、圆弧形、三角形、多圆弧形以及正弦形织构表面的动压润滑性能。
This paper is based on the sealing reliability of flange for the DSHE and submits a predicting calculation' s method of the bolt for seating gasket used in circular-shaped cover of the DSHE.
本文以确保螺旋体法兰密封面的密封性能为前提,讨论了一种用以确定可拆螺旋板式换热器大平盖螺栓预紧力的估算方法。
The S - matrix of the polarizer composed of circular waveguide and dielectric plate in arbitrarily states is given with rotation transform.
应用坐标旋转变换原理导出了介质片极化器在任意状态下的S矩阵。
The S - matrix of the polarizer composed of circular waveguide and dielectric plate in arbitrarily states is given with rotation transform.
应用坐标旋转变换原理导出了介质片极化器在任意状态下的S矩阵。
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