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pk107码必中规律 www.4-egy.com,巴基斯坦本已购买3艘法国“阿戈斯塔-90B”潜艇，其中一艘——“哈姆扎”(PNSHamza)号潜艇已配备有AIP系统。China'senvironmentministersaidhe"feltguilty"and"wantedtoreproachhimself"aswidespreadairpollutionhasharassedpeople'slives,anofficialstatementsaidSaturday.ChenJining,ministerofenvironmentalprotection,madetheremarkswhenholdingapressconferencelateonFridayinBeijing,introducingChina'seffortsonairpollutionprevention.Sincethebeginningoflastwinter,heavyairpollutionhashappenedrepeatedlyinmanyplacesinChina,coveringlargeareaandlastinglong,whichdisruptedproductionactivitiesandharassedpeople'severydaylives,Chensaid.Thepublicfeltanxiousaboutthesmogproblem,hesaid.Detailedanalysisshowedemissionsfromautomobileshavebecametheprimarysourceofurbanatmosphericfineparticlesinmajorcities,accountingfor31.3percentinBeijing,29.2percentinShanghaiand28percentinHangzhou,accordingtotheenvironmentminister.FineparticlesaredefinedbytheU.S.EnvironmentalProtectionAgencyascompoundsthathaveadiameteroflessthanorequalto2.5micrometers.Substancesthatmayformtheseparticlescomefrompowerplants,industrialfacilities,agriculturalpractices,motorvehicles,amongothers.Chensaidtheministrywasevaluating20cities'emergencyplansindealingwithheavyairpollution,hopingtoimprovetheirresponseability.ThecitiesincludeBeijing,Tianjinand18othercitiesinHebeiandsurroundingprovinces.Inspectionshadfoundsomecitiesfailingtotakeeffectivemeasuresfollowingalerts,ortheirmeasureswereimpracticable,Chensaid.Theministrywillenhancesupervisiononwhetherlocalgovernmentshavepracticeditsprecautions,accordingtotheminister.Chenvowedtotakeconcretestepsandemploymorestringentandeffectivemeasurestodealwithoutstandingenvironmentalproblemsandimproveenvironmentquality.Chinahasbeencleaningitsenvironmentandwillcontinuetoimprovetheresponseoflocalgovernmentstopollution,Chensaid.Chinahasmadeimprovementsinenvironmentdespitestrongheadwinds,suchasaneconomicstructureburdenedbyheavyindustry,anenergymixreliantonfossilfuels,andenvironmentallyunfriendlylifestyles,accordingtoChen.China'snationalobservatoryonTuesdayissuedaredalertforfoginanumberofnorthernandeasternregions,thefirstevernationalredalertforfog.Meanwhile,northChinahasbeenunderhigh-levelsmogalertssincelateDecember.TheBeijing-Tianjin-Hebeiregionandneighboringprovinces,theareahithardestbysmog,aremajorcoalconsumersandarehometoalargeshareofChina'ssteel,cokeandcementproductionfacilitiesaswellasautomobiles,accordingtoChen."Therootcauseoftheregion'ssmogproblems,fromalong-termperspective,istheuncleanindustrialandenergymix,whichrequirebigchanges,"Chensaid.HesaidthatmonitoringresultsintheBeijing-Tianjin-Hebeiregionshowthatthegovernment'seffortshavepaidoffinthepastfewyearsastheaverageconcentrationofPM2.5fellbyabout30percentin2016comparedwith2013.However,thereseemstobelittlewinterairqualityimprovement.Unfavorableweatherconditionsandinefficientwinterheatinghavealsocontributedtothelingeringsmog,Chenadded.Toaddresstheproblemsinwinter,Chinawillphaseoutuncleanandinefficientcoal-firedboilers,encourageoff-peakindustrialproductionandenhancescrutinyandpunishmentforviolationsoftherules.

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