简介:美国PSAudio正式推出全新的DirectStreamMemoryPlayer,亲切的经典造型,机身仍然选用低谐震铝合金铸造而成,相比昔日红极一时的PerfectWaveTransport高解像CD/DVD转盘,DMP(DirectStreamMemoryPlayer之简称)可从SACD光盘直接读取DSD数码讯号,配合内存容量有所增加的崭新改良的DigitalLens数据处理系统,还有自家研发超精度异步时钟技术双管齐下,彻底消除所有对声音构成负面影响的时基性失真,然后通过机背3组HDMI接口以12S分立制式直接传送给同门解码器,直接转化为动人音乐。
简介:ThelasersystemPALS,asadriverofabroad-beamionsource,delivereddeuteronswhichgeneratedneutronswithenergieshigherthan14MeVthroughthe7Li(d,n)8Bereaction.Deuteronswithsub-MeVenergywereacceleratedfromthefrontsurfaceofamassiveCD2targetinthebackwarddirectionwithrespecttothelaserbeamvector.Simultaneously,neutronswereemittedfromtheprimaryCD2targetandasecondaryLiFcatcher.Thetotalmaximummeasuredneutronyieldfrom2D(d,n)3He,7Li(d,n)8Be,12C(d,n)13Nreactionswas~3.5(±0.5)×108neutrons/shot.
简介:日本电子产品巨头索尼(Sony)的PlayStation游戏机在中国被大规模盗版,索尼在长期调查后发现,PlayStation游戏机竟是在一个监狱中进行组装的。
简介:AseriesofPS-PPACwasdevelopedandthepositionresolutionwassuccessivelyimprovedbyusinordertomeettheneedofheavyionphysicsresearch.ThePS-PPACmaybedividedintotwogroups.1PS-PPACusedforstable(ion)bearna)Doublegridpositionsensitiveavalanchechamber(DGAC)~[1].DGACconsistsof4electrodes:anodeA,cathodeC,gridsKandG,whicharemadeofwireplanes.Thesensitiveareawas25×20cm~2.Aposition