简介:研究了Qk型空间Qk,α与Bloch型空间Bα的关系,给出了Qk空间与Bloch空间的一个等价条件的又一证明,并且加以推广,给出了Qk,α=Bα的一个等价条件。
简介:摘要本文解释了安全生产标准化达标定义,描述了安全生产标准化达标建设适用标准的12个核心要素、180项二级要素及1079条考评内容,介绍了Q项目部安全生产标准化的实施过程和自评估得分情况。重点分析在标准化达标自查过程中存在的共性和难点问题,指出目前难点问题存在的原因。针对存在的原因提出了有针对性的管理措施与办法,进而更好地实现Q项目部安全生产标准化达标建设工作,确保Q核电厂建设平稳和顺利进行。
简介:Anefficientmethodtomountacoupledsilicamicrosphereandtaperedfibersystemisproposedanddemonstratedexperimentally.Forthepurposeofoptomechanicalstudies,high-quality-factoroptical(Q_o~10~8)andmechanicalmodes(Q_m~0.87×10~4)aremaintainedafterthemountingprocess.Forthemountedmicrosphere,thecouplingsystemismorestableandcompactand,thus,isbeneficialforfuturestudiesandapplicationsbasedonoptomechanicalinteractions.Especially,thepackagedoptomechanicalsystem,whichistestedinavacuumchamber,pavesthewaytowardquantumoptomechanicsresearchincryostat.
简介:TwomethodsformeasuringtheattenuationQvalue,frequency-amplituderatiomethodandwaveforminversionmethod,wereanalyzed.Thesizeandshapeofmostrocksamplesinthelaboratorycanhardlyfulfilltherigorousrequirementsoftheabovemethods.AnewtestmethodofusingthewaveenergytocalculatetheQvaluewasproposed.Theprinciple,calculationformulaeandsomepointsforattentionwereexpounded;therelationshipbetweenQ_PandQ_Ewasdiscussed;andmanysamplesweremeasuredbythismethod.Theresultwascomparedwiththosebyothermethods,anditwasconsideredthattheQvaluebythismethodliesbetweenQ_PandQ_E·