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back-fire
相关语句
  背射
     Design of Small Back-fire Antenna Array
     小背射天线阵的设计
短句来源
  “back-fire”译为未确定词的双语例句
     The Back-fire Antenna Excited by a Log-period Dipole Array
     对数周期结构激励的背射天线
短句来源
     Analysis on and prevention against back-fire accident in recovery of converter gas
     转炉煤气回收中的回火事故分析及防治
短句来源
     After Researching on Steel 40Cr3MoVA in a specific way such as heat processing, heat treatment, and their influence on the quality and structure of the steel, we conclude that steel 40Cr3MoVA melted in Vacuum response stove is well - distributed, well - purified and well - functioned, that quench temperature has little influence on mechanical qualities of materials,and that back- fire time is more influential to mechanical qualities than backfire temperature.
     研究了斯贝发动机用钢40Cr3MoVA的冶炼工艺、热加工工艺和不同热处理制度对钢材机械 性能和组织的影响。 结果表明:真空感应炉加电渣冶炼的40Cr3MoVA钢组织均匀,纯洁度 高,性能优良;
短句来源
     The back-fire trouble in recovery of the 100 t converter gas has been analyzed and preventative measures against the trouble put forward and prominent results in prevention against the trouble achieved since implementation of those measures.
     对100 t转炉煤气回收中的煤气回火事故进行分析,提出防止事故的改进措施,实施后预防事故的效果明显。
短句来源
  相似匹配句对
     Application of Back Fire stove
     明火反烧炉的应用
短句来源
     Design of Small Back-fire Antenna Array
     小背射天线阵的设计
短句来源
     Analysis of Safety Reliability of Back Fire Preventer
     回火防止器安全可靠性分析
短句来源
     Fire and Craig C.
     Fire和CraigC.
短句来源
     "FIRE CHILD"
     蒲江“火娃”
短句来源
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The log-period dipole array is applied as a feed element for a back-fire antenna.By the use of comparative calculation,the optimum disposition whose sum deviation between the phase center of feed and the equivalent focons of reflector is the least was selected.Then,the high gain within a broadband could be acquired.

用对数周期振子阵作为背射天线的馈源。通过比较计算,选出使馈源的相位中心与反射面的等效焦点之间,偏差的累积量为最小的最佳配合,从而获得在宽频带内的高增益特性。

The reliability technique is used to analyse why the back fire preventer failed to stop the fire. Specific measures have been proposed to guarantee the safety relia- bility of the back fire preventer. The paper points out that earnest implementation of this measures and relevant safety regulations could avoid fatal and injury accidents from the explosion of acetylene generator.

应用可靠案件技术分析了回火防止丧失阻火作用的原因,提出了确保回火防止器安全可靠性的具体措施。指出,认真执行这些措施和有关安全法规,乙炔发生器爆炸伤亡事故是可以避免的。

A new backfire antenna of good characters is describo in this paper.It has a new feed-a monofilar backfire helix.Three situations of pitch angles α=10°.12.5°.16°are measured.The antenna has a gain Of 18.2dB.In addition, the new antenna has the advantages of simple structure,easy to fed and Of a 1-1.4 operating frequency range,and a circularly polarized wave is radiated.The characteristics are much better than a helical antenna of the same ground plane and a short back fire antenna.

本文提出把单线背射螺旋作为短背射天线的馈源时,可得到一种性能优良的新天线。文中给出了螺距角α=10°、12.5°、16°单线背射螺旋作馈源时的结果。该天线最大增益可达18.2dB。此外还具有结构简单、馈电方便、频带宽且易于产生圆极化波等优点。性能远优于带相同接地板的螺旋天线和普通短背射天线。

 
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