简介:1七月的一天,帕梅拉接到了个奇怪的电话。先是一个男人问道:“请问是帕梅拉·德布斯吗?”在得到了肯定回答后,那个男人说:“你等等,有人要和你讲话。”接着电话那端传来一个女孩细细的声音:“奥莉,是你吗?”帕梅拉的心猛然一震,这个世界上只有一个人叫她“奥莉”,她禁不住惊呼:“老天!你是谁?”女孩嘤嘤地啜泣着,轻轻说道:“奥莉,我好想你。”“尼娜?!你是尼娜吗?”帕梅拉不敢置信地大叫道。这时那个男人接过了电话,他声音有些沉重地说:“对不起,德布斯女士。刚刚和你讲话的是小女普丽西达,最近她出现了一些异常,不断说起一些奇怪的人和奇怪的事,她提到了您,并说是您的妹妹……”
简介:Weexperimentallydemonstratea16×16reconfigurablynonblockingopticalswitchfabricusingaBenesarchitecture.Theswitchfabricconsistsof562×2Mach–Zehnderinterferometerbasedelementaryswitches,witheachintegratedwithapairofwaveguidemicroheaters.Theaverageon-chipinsertionlossis~5.2dBforbothofthe'all-cross'andthe'all-bar'states,withalossvariationof1dBoverallroutingpaths.Thecrosstalkforallswitchingstatesisbetterthan-30dB.Theswitchingtimeoftheswitchelementisabout22μs.Theswitchingfunctionalityisverifiedbytransmissionofa40Gb∕squadraturephase-shiftkeyingopticalsignal.
简介:以EM223-16/16-DC.RLY模块元件级的维修实例,阐述了此模块的工作机制,并且通过抄板,将完整的电路图绘制下来,以便各位同行相互学习和交流。
简介:Objective:ToinvestigatetheexpressionofHPV16mRNAinnormalhumankeratinocytestransfectedwithpSV2-neo/16.Firsthumankeratinocyteswereculturedintheserum-freemediumM154.Second,theplasmidpSV2-neo/16wastransfectedintothehumankeratinocytesusingatransfectingreagent.Third,RT-PCRandSouthernBlottingwereusedtodetecttheexpressionofHPV16mRNAandDNAinthetransfectedkeratinocytes,respectively.Results:TheexpressionofHPV16mRNAwassuccessfullyamplifiedandan110bpwasditectedbyRT-PCR.A7.9kbfragmentwasconfirmedinthetransfectedkeratinocytesbySouthernBlotanalysis.Conclusion:HPV16mRNAandDNAweresuccessfullydetectedinthehumankeratinocytes.