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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Electron densit ies have been determined /or RF plasmas that were generated within a microwave resonant cavity by measuring the difference of the resonance frequencies with and without plasma.
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Thermal blackbody photons in a microwave resonant cavity at temperatures as low as 70 mK have been measured, the sensitivity being below the SQL limit.
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An apparatus based on a microwave resonant cavity has been used to measure dew points and liquid volume fractions in a zC3H8+(1-z)CH4 mixture with z=0.250±0.001 mole fraction.
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Microwave resonant sensors for monitoring liquid film thickness
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In the experimental scheme, the reflected microwave power is measured for the detection of the OG effect inside a microwave resonant cavity.
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| | YBa2 Cu3O7-δ high temperature superconductive ceramic material has been prepared by use of a general electronic ceramic technology. The compactness of this material is good with the density of 4.97g/cm3(77% of its theoretical value).Zero resistance temperature Tc =91.0K. Alternative antimagnetism rate κequals 99%. The material is of excellent anti-deliquescence and stability, and now is being used to fabricate microwave resonant cavity. | | 用常规电子陶瓷工艺制备了YBa_2Cu_3O_(7-8)高温超导陶瓷材料。该材料的致密程度良好,密度为4.97g/cm~3(为理论密度的77%)。零电阻温度T_c=91.0K,交流抗磁百分比k达99%。材料具有很好的稳定性和抗潮解性,已用其加工制成微波谐振腔。 | | 文摘来源 | | The purpose of this research is to determine the effect of soybean seed of different sizes and sample quantities on the parameters of a resonant cavity and microwave frequency, and to evaluate the feasibility of the system for measuring moisture in individual kernels.When electromagnetic wave and dielectrical body work mutualy, its energy consumption is connected with the size,shape and relative dielectrical constant of the body. While the moisture content of the body varies the wave frequency i... | | 介绍一种测量谷物颗粒湿度的微波谐振腔法及其原理和装置,以及它的测量过程和研究的实验结果。实验研究证明,微波谐振腔技术用来测量黄豆颗粒的湿度是一种有价值的方法。当腔用黄豆颗粒加载时,测量的是谐振频率和传输系数的改变值,所以,对测量系统的稳定性要求不太苛刻。这一测量技术也可以用来测量稻谷、麦子及其它种籽的湿度。 | | 文摘来源 | | The matrix perturbation theory to eigen equation [A][u]=λ[u]is investigated, in which 1-3 order perturbation solutions to eigen value λ and eigen vector[u]are further given.One of the applications of above theory-microwave resonant cavity is researched. | | 本文研究本征方程[A][u]=λ[u]的矩阵摄动理论,进而给出了本征值λ和本征矢[u]的1-3阶摄动解,并应用于微波谐振腔的具体实例。 | | 文摘来源 | |   | | << 更多相关文摘 |
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