简介:Objective:Toobservetheinfluenceofelectroacupuncture(EA)atdifferenttimeinadayonthenumberofduodenalendocrinecells(argentaffincells)inrats.Methods:Forty-eightmaleWistarratswereevenlyrandomizedintocontrolandelectroacupuncture(EA)groupswhichwerefurtherdividedinto5∶00,11∶00,17∶00and23∶00subgroupsrespectively.EA(4-16Hzinthefrequency,3Vinthestrength,intermittentdense-sparsewaves,anddurationof20min)wasappliedtobilateral"Huantiao"(环跳GB30)at5∶00o'clock,11∶00o'clock,17∶00o'clockand23∶00o'clockseparatelyfordifferentsubgroups.AfterEA,theanimalswerekilledatonceforsamplingthemiddlepartofduodenumwhichwasfixedin10%formalinfor2hours,thenembedinparaffin.Thetissuewascutintosections(10μm),mountedonglassslidesandthenprocessedaccordingtoGrimelius'smethods.Results:ThenumberofargentaffincellsinEAgroupwassignificantlyfewerthanthatincontrolgroupatthesametime-window(23∶00,P<0.05).NosignificantdifferenceswerefoundbetweencontrolandEAgroupsinthenumberofcellsatothertimewindow(5∶00,11∶00and17∶00o'clock,P>0.05),suggestingthatEAof"Huantiao"canmarkedlypromotethesecretionactivityofendocrinecellsat11∶00o'clockduringnight.Conclusion:TheresultssuggestthattheeffectsofEAaredifferentatdifferenttimewindowinaday.
简介:国家标准《国民经济行业分类》(GB/T4754—2011)已由国家质量监督检验检疫总局和国家标准化管理委员会于2011年4月29日发布。并于2011年11月1日开始实施。本标准由国家统计局提出.由中国标准化研究院归口,由国家统计局负责解释。
简介:Inthispaper,anewmodelbasedonanimprovedBrentKung(BK)parallelprefixnetwork(PPN)algorithmisproposedandrealizedinthefieldprogrammablegatearray(FPGA).Thismodelisemployedintheimplementationof20Gb/sdifferentialquadraturephase-shiftkeying(DQPSK)precoderin40Gb/spolarizationdivisionmultiplex(PolDM)DQPSKsystem.Inthecomputationprocess,thecomputationcomplexity(area)optimizationwithfan-outlimitedisachieved.Intheimplementation,770FPGAsliceregistersareutilized,whichsaveabout60%logicresourcescomparedwiththepreviousKoggeStone(KS)algorithm.