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简介：TheChinaAssociationforScienceandTechnology(CAST)isanon-profit,non-governmentorganizationofChinesescientificandtechnologyworkers.Asabridgebetweenthenation'sscientificandtechnologicalworkersandthegovernment,itisanimportantdrivingforceindevelopingthecountry'sscienceandtechnology.

简介：ItisoutofquestionthatChinahasachievedconsiderableadvancementsinscienceandtechnology.Theworldwidespreadof"MadeinChina"thatgetsonthewesterncountries'nervesisagoodillustration.However,althoughcomparativelybetterthansomeotherdevelopingcountries,wehavetofacethesituationthatscienceandtechnologyinsuchagreatnationasChinaisstillseriouslylaggedbehind,lackinggreatbreakthroughsandtop-rankingmastersandleaders.That'swhywefeeluneasyinfrontofinternationalcolleagues.

简介：JournalofElectronicScienceandTechnology(JEST)ispublishedquarterly.Alloriginalcontributionsarewelcomedwhichrelateadvancesorstate-of-the-artachievementsinelectronicscienceandtechnology,includingcommunicationssystemsandnetworks,signalprocessing,informationandimageprocessing,circuitsandsystems,microelectronics,electronicdevicesandmaterials,computerscience,microwavetechnology,physicalelectronics,optoelectronics,mechatronics,controlandautomation,electronicswithlifescience,andnewapplicationsofelectronics.Submissionofamanuscriptamountstoassurancethatithasnotbeencopyrighted,publishedofacceptedforpublicationelsewhere,thatitisnotcurrentlybeingspeciallypreparedforpublicationinthisJournalandsubmittedelectronicallybye-mailtojournal@uestc.edu.cn.

简介：JEST—JournalofElectronicScienceandTechnology,formerly,JournalofElectronicScienceandTechnologyofChina,ispublishedquarterlydevotingtothestate-of-the-artachievementsinelectronicscienceandtechnology,includingthemosthighlightareas:

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简介：JEST—JournalofElectronicScienceandTechnology,formerly,JournalofElectronicScienceandTechnologyofChina,ispublishedquarterlydevotingtothestate-of-the-artachievementsinelectronicscienceandtechnology,includingthemosthighlightareas:communicationtechnology,electronicsystemsandarrayprocessing,computerscienceandinformationtechnology,optoelectronicand

简介：JEST—JournalofElectronicScienceandTechnology,formerly,JournalofElectronicScienceandTechnologyofChina,ispublishedquarterlydevotingtothestate-of-the-artachievementsinelectronicscienceandtechnology,includingthemosthighlightareas:communicationtechnology,electronicsystemsandarrayprocessing,computerscienceandinformationtechnology,optoelectronicand

简介：JEST(International)?JournalofElectronicScienceandTechnology,formerly,JournalofElectronicScienceandTechnologyofChina,ispublishedquarterlydevotingtothestate-of-the-artachievementsinelectronicscienceandtechnology,includingthemosthighlightareas:communicationtechnology,electronicsystemsandarrayprocessing,

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简介：InthearticletheauthorlooksbacktheharddevelopmentcourseandgreatprogressinearthquakescienceandtechnologyinChinaduringthelastnearahalfofcenturyandexpoundsthefollowing3aspects:(1)Thestrongdesireofthewholesocietytomitigateseismicdisastersandreducetheeffectofearthquakesonsocial-economicliveisagreatdrivingforcetopushforwardthedevelopmentofearthquakescienceandtechnologyinChina;(2)Tobetterensurepeople'slifeandproperty,sustainableeconomicdevelopment,andsocialstabilityisanessentialpurposetodrivethedevelopmentofearthquakescienceandtechnologyinChina;and(3)Toinsistonthedialecticalconnectionofsetupoftechnicalsystemforseismicmonitoringwiththescientificresearchofearthquakesandtobetterhandletherelationbetweencrucialtask,currentscientificlevel,andthefeasibilityaretheimportantprinciplestoadvancetheearthquakescienceandtechnologyinChina.Somesuccessandmanysetbacksinearthquakedisastermitigationconsistentlyenrichourknowledgeregardingthecomplexityoftheconditionsforearthquakeoccurrenceandtheprocessofearthquakepreparation,promotethereconstructionandmodernizationoftechnicalsystemforearthquakemonitoring,anddeepenthescientificresearchofearthquakes.Duringthelast5years,theimprovementandmodernizationoftechnicalsystemforearthquakemonitoringhaveclearlyprovidedthetechnicalsupporttostudyandpracticeofearthquakepredictionandprecaution,giveprominencetokeyproblemsandbroadenthefieldofscientificresearchofearthquakes.Thesehaveenabledustogetsomenewrecognitionoftheconditionsforearthquakeoccurrenceandprocessofearthquakepreparation,characteristicsofseismicdisaster,andmechanismforearthquakegenerationinChina'scontinent.Theprogresswehavemadenotonlyencouragesustoenhancetheeffectivenessofearthquakedisastermitigation,butalsoprovidesabasisforacceleratingfurtherdevelo

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简介：1.Speedupthedevelopmentofthefifthenergyresource-electricalenergy-savingTheworldexperiencedseriousenergycrisestwiceinthe1970’s,butthesituationwasalleviatedatthebeginningofthe1980s.Comprehensivereportspublishedbyinternationalenergyorganiza-tionsin1986summeduptheimportantachievementsofenergy-sav-ingobtainedin19mainindustrializedcountriesintheperiodof1973to1985.Theirprimaryexperienceistobringaboutthestructuralenergy-savingbyrelyingonthetechnicalprogress,thatis,changingthehighenergyconsumptionindustriestolowconsumptionones.Thischangetidedthemsuccessfullyovertheenergycrises,moreo-

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简介：186Astudyorpreparationof一uminophor(2一x,)A12o3一35502:5102:Eu升,Biusingmetalalkoxidesandsts一uminescentbehavior,LiBinetaloSPeeialGlasses,1990,7(3),44.18,^n一nvestigationonpreparationofluminophorCao一BZo3一5102:Eu3+,Bibysol一gelmethodanditsl恤ineseentbe-havior,LiBlnetal.,SPeCial

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