简介:介绍了用四分幅紫外全息干涉仪,探测惯性约束聚变中电子密度在等离子体中的分布原理和初步试验结果。
简介:摘要: 超声波无损探伤( NDI ),是超声无损检测技术的一种发展与应用,具有穿透能力强、设备简单、使用条件和安全性好、检测范围广等根本性的优点,加上压电复合材料、数字信息化处理技术和计算机模拟等高新技术的应用,检测设备由最初的模拟机,到现在应用最广的智能数字机,再到超声检测新宠相控阵设备,检测技术不断提高,工件内部缺陷的呈现形式越来越清晰、直观、精准。本文通过基础的 A 型脉冲波形显示检测原理,分析焊缝内部缺陷的超声检测技术要点。
简介:42-voltarchitectureonpowdermetallurgy-opportunities;AdesignmethodforsuperconductingMPdmagnetswithferromagneticmaterial;Afar-fieldapproximationforthefast-multipolemethodappliedtothecombinedfieldintegralequation;AflexibleandlowcostdesignforflybackAC/DCconverterwithharmoniccurrentcorrection;AgeneralizedEpsteintestmethodforthecomputationofcorelossesininductionmotors;ALearningObjectsApproachtoTeachingProgramming;
简介:(Ni,Fe,Co)-basednanocrystallinesoftmagnetswithnear-zeromagnetostriction;AccountingforResistivityandPermittivityinHighFrequencyPermeabilityMeasurements.ApplicationtoMnZnFerrites.;Biaxialmagnetometersensor;Biaxialmagnetometricsensor;DevelopmentofhighmagneticperformanceP/Msoftmagneticmaterial;FlexibleMagnetics:MagneticLithographyandFabricationofMagneticMasksonThinPlasticSubstrates;FormationandsoftmagneticpropertiesofFe-B-Si-Zrbulkglassyalloyswithhighsaturationmagnetizationabove1.5T;
简介:IdentifyingthePreisachfunctionforsoftmagneticmaterials,Influenceofgeometricalparametersofalayeredpowdercompositeonitsmagneticproperties,MagneticLithographyUsingFlexibleMagneticMasks:ApplicationstoServowriting,MultilayeredFeCo/FeCo-Osoftmagneticfilmsforrecordingapplications