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915200981671-1819200915-4567-04ScienceTechnologyandEngineeringVol.9No.15Aug．2009?2009Sci.Tech.Engng.CaCO3257061、CaCO3。1．2kHz。CaCO3X52A2009428、、、。、、、1。。、、、、、、。2。。、。11。11。D=70mm、H=500mm27N=553Vpp=24V。2。2TTL。TTL3TTL3。。。2。4h。4h50mL10mL。。。C20H14NaO7ST、C10H14N2O8Na2．2H2OEDTA、pH=10“=”NH3．H2O-NH4Cl。、、、Na2S34。33．10Hz～20kHz401。1“EDTA”EDTA6．13mL—6．25mL6．183mL。1/kHz/EDTA/mL/kHz/EDTA/mL129．16．185214．7829．48．3220．02529．36．186225．0628．58．1530．0528．86．31235．5129．38．0440．07529．56．37246．0628．78．2950．09929．47．35256．5228．48．6360．228．67．49267．2529．68．9570．34628．97．92277．8729．19．22580．40629．08．09288．6928．99．27590．44828．88．25299．46309．31100．74529．18．383010．329．99．375110．9929．58．913111．129．59．43121．2729．69．7953212．129．19．265131．528．29．743313．328．88．675141．75428．99．6453414．428．68．355152．1828．59．4553515．428．47．635162．5429．89．183616．729．37．545172．930．19．033717．8529．77．55183．5129．68．973818．6128．57．33194．0328．38．863919．5428．67．29204．2328．18．54402028．87．265865493．22℃CaCO3。f＜0．35kHzf＞15kHzCaCO3CaCO31．2kHzCaCO3。CaCO34。4CaCO34H2Onn=234…5。OHO－HOH“”12。5、、6。1、2。、4H2OH2O2、、、、45CaCO3。6、、41、2。1、2。511．2kHz。2。3。41。965415CaCO31．、．199717620—212．．2000264218—2223．CaCO3．1999262177—1794．．200222616—185．．．200122943—45QuantitativeStudyontheSolubilityofCaCO3AffectedbyElectromagneticFieldFrequencyCHENCanLIUＲun-huaCollegeofInformationandControlEngineeringCUPDongying257061P．Ｒ．ChinaAbstractTheresearchontheinfluencecausedbytheelectromagneticfieldonthesolubilityofCaCO3iscar-riedout．Meanwhiletheactionmechanismofelectromagneticfieldwatertreatingtechnologyisdiscussed．There-sultshowsthatthestillwaterwillalsobeinfluencedwithintheelectromagneticfield．Asthealternationofthefre-quencyoftheimposedelectromagneticfieldthesolubilityofCaCO3willalternateaccordingly．Besidesthehighestsolubilityappearswhenthefrequencyisaround1．2kHz．KeywordselectromagneticfieldCaCO3檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸resonancesolubility4566ManeuverableCapabilityAnalysisofAdvancedShort-rangeDogfightAirtoAirMissileXIEYong-qiangLIShunYUCuiZHOUXu-fengChinaAirborneMissileAcademyLuoyang471009P．Ｒ．ChinaAbstractThemaneuverablecapabilityofairtoairmissileistheveryimportantproblemintheoveralldesignofairtoairmissile．ThemissilekineticmodelthemissilekinematicmodelmissileTVCmodelandthetargetkine-maticmodelareestablished．Byperformingtypicalballistictrajectorysimulationsthemaneuverablecapabilityofshort-rangedogfightmissileisconfirmedincludingthemaximumvalueofturnangularrateandrequiredoverload．Theresultsofthemaneuverablecapabilitycouldprovidereferenceontheoveralldesignofairtoairmissile．Keywordsturnangularraterequiredoverloadtargetmaneuverdogfightmissile07549