露头小四极法 mini-fourele
核四极共振波谱法 nuclear electric quadrupole moment resonance spectroscopy ; nuclear quadrupole resonance spectroscopy
四探极法 four probe method
次级离子四极质谱法 SIQMS
对称四极剖面法 AMNB
四端电极法 four-probe method
四极共振法 method quadrupole resonance
A对称复合四极剖面法 A type symmetric complex four electrode profiling
核四极矩共振谱法 [分化] nuclear quadrupole resonance spectrometry
四次幂极小法 quartimin method
Besides, it has been proved that four-electrode method is suitable for measurement of grounding resistance, which disposes current electrode and voltage electrode according to triangle. Finally this paper has corrected one wrong parlance that inherent error exists in four-electrode method.
通过理论和实践证明了四极法适用于电流、电压极按三角布置测量接地电阻，并纠正了其他文献关于四极法存在固有误差的问题，得出四极法的固有误差和三极法一致的结论。
参考来源 - 大型地网接地技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
将子结构法和双倒易边界元法联合应用于预测具有三维复杂流存在时管道和消声器的四极参数与传递损失，阐述其基本原理与数值过程。
A substructure method and a dual reciprocity boundary element method (DRBEM) are applied to calculate four-pole parameters and transmission loss of ducts and silencers with complex flow.
采用小参数展开法和哑铃型模型法计算双星的引力辐射，并导出熟知的四极引力辐射功率表达式，数值计算所得的结果与天文观测的两级相自洽，且比其它的计算方法简便。
The method of small parameter and setting up model of dumbbells are used to calculate the gravitational radiation of Double Satellite, and the expression of quadrupole radiation power is obtained.
由边界元法计算出消声器的四极参数，从而预测传递损失等消声量。
The four-pole parameters of muffler can be obtained using BEM, therefore the acoustic characteristics such as transmission loss can be predicted .
应用推荐