简介：<正>玻璃破碎传感器是一种振动传感器,它检测玻璃碎时的振动输出相应的电信号。该传感器应用于贵重品、珠宝、金银手饰橱窗或贵重文物展柜,用作防盗报警用。另外,也可用作振动及撞击检测用。这里介绍一种PY—1A型玻璃碎传感器。这是一种小尺寸、低价位玻璃碎传感器,其外形如图1所示,内部结构如图2所示。它是一种压电陶瓷片

简介：为了加强部队安全工作,防止执勤枪弹丢失情况的发生,本文提出采用无线传感器网络定位技术,在监测区域设置信标节点,使用RSSI测距方法和加权质心定位算法,实现对枪械的定位。从而加大对执勤枪支的监管力度,预防武器装备丢失,防止涉枪涉弹重大事故发生。

简介：一种基于全方位视觉传感器的自动消防灭火装置,包括微处理器、用于监视现场的视频传感器、用于与外界通信的通信模块以及灭火喷头.灭火喷头连接喷头驱动装置,视频传感器是全方位视觉传感器,进行图像处理和分析,通过火焰颜色特征判断、火焰闪动频率特征判断、火焰形体变化特征判断、火焰轮廓变化特征判断、火焰面积变化特征判断和火焰整体运动特征判断得到综合判断结果,根据所发现的火苗点位置自动控制喷头对准火苗点将灭火剂喷洒在火源附近.本发明能够有效减少误报率、对火源点检测定位准确、实时性能好、在发现火苗情况时能自动控制喷头以最短的时间将灭火剂喷射到火苗点、实现的检测算法和控制算法简单.

简介：摘要：煤矿监控系统作为煤矿井下安全避险“六大系统”中的重要组成部分，对煤矿安全生产有着不可替代的作用。传感器作为物理世界和数字世界的信息传递桥梁,是推进信息化和工业化深度融合不可或缺的产业关键技术。煤矿智能化发展的愿景是实现煤矿全时空多源信息实时感知和风险闭环管控本质安全。

简介：摘要：光纤传感器具有高精度、抗干扰和远距离传输能力较强的优势，近年来在电力新能源的领域中的应用变得愈发常见。为了更好的利用光纤传感器，本文首先介绍了光纤传感器在电力新能源中的主要应用方向，并结合光纤传感器在电力新能源中的应用，思考提升电力新能源质量与效率的途径，从而推动我国新能源事业的发展与进步。

简介：根据FBG传感器的应变、振动和冲击特征,报道了一种基于准分布式FBG传感器的入侵报警系统.首先根据小波降噪原理和小波多尺度边缘检测的方法分别进行降噪和报警信号分割,同时对分割信号分类和特征分析以进行报警判断和识别;其次分析了入侵监测系统的五种报警模式;最后根据LabVIEW开发了入侵报警软件.经过实验证明入侵报警系统能够完成自动、实时报警和报警定位.

简介：量热式酶生物传感器应用于环境现场快速检测及实际试样具有优势。介绍了量热式酶生物传感器的量热检测和热放大原理以及组成、测试装置等关键技术，其中热放大的应用可从根本上提高检测的灵敏度和水平；综述了量热式酶生物传感器应用于农药残留和重金属检测涉及的酶源、富集处理等环节；结合最新的研究成果，分析并展望了量热式酶生物传感器在农药残留和重金属等环境监测领域的应用。

简介：为了实现安防装置的智能化,本专利结合全方位视觉传感器(ODVS)、动态图像处理、嵌入式系统及网络通信等技术设计了一种智能安防装置,通过ODVS所获得的360°无死角、大面积的全景图像,运用动态图像理解技术对监控场景中运动目标进行检测、提取、跟踪和人体目标的识别.通过定制行为语义规则实现了人体运动目标的行为语义理解,智能的判断出是否发生盗窃事件.很好的解决了误报、漏报,减少了人力物力的开销,为智能安防提供了一种新的解决方案.

简介：摘要：当前，智能制造掀起了工业领域的发展浪潮，得益于大数据、人工智能、云计算、物联网等技术的支持，智能制造的发展取得了良好作用。在智能制造领域中，PLC是核心控制部件，为了满足智能制造的发展需求，必须通过有效方法提高PLC的控制精度和自适应性。本文介绍了智能制造的相关概念以及智能制造促进制造业升级的作用机制，总结了传感器数据优化PLC控制算法在智能制造领域的具体应用方法。

简介：摘要：随着电力系统的快速发展和智能化转型，热动传感器作为温度测量的关键设备，在电力生产、传输、分配及监测等各个环节中发挥着至关重要的作用。本文旨在探讨热动传感器在电力系统中的具体应用场景，并对其性能进行全面评估。通过分析热电偶、热电阻及热敏电阻等主流热动传感器的工作原理、技术特点及其在电力系统中的实际应用，结合性能指标如测量精度、响应时间、稳定性及可靠性等，综合评估热动传感器的性能表现。本文的研究对于提升电力系统温度监测的准确性和可靠性，推动电力系统的智能化发展具有重要意义。

简介：一、引言四川美丰(集团)全资子公司四川美青氰胺有限责任公司的技改项目"200kt/a合成氨联产300kt/a尿素"工程已全面竣工。2009年7月12日合成氨装置点火,7月29日尿素装置化工投料,30日产出颗粒尿素,装置实现了一次投料开车成功。笔者有幸参加

简介：温室气体CO2的减排问题已经引起了国际社会的极大关注。火电行业是CO2排放量的主体。燃煤电厂实施碳减排和碳零排放是走向清洁能源必由之路。目前，燃煤电厂实施CO2的减排主要是从常规燃煤电厂烟道气分离CO2，其中，电厂CO2捕集技术路线主要包括燃烧后脱碳、燃烧前脱碳、富氧燃烧以及化学链燃烧技术。

简介：Globalclimatechangeisoneofthemajorenvironmentalissuesfacedbyhumans.Existingevidenceindicatesthattheanthropogenicpushforariseintheatmosphericconcentrationofgreenhousegases（GHGs）（particularlyCO2）hasbeenaprimarycauseforglobalwarming.Asidefromeconomicandteclinologicalfactors,demographicdynamics（includinghumanconsumptioninabroaddemographicsense）hasbeenamajordriverforCO2emissions.Inthispaper,weperformedbothnonlinearregressionanalysis（basedontheSTIRPATmodel）andgraycorrelationdegreeanalysis（basedongraysystemtheory）ontheimpactofdemographicdynamicsonCO2emissions.OurresultsrevealthatCO2emissionsarepositivelycorrelatedwithpopulationsizeandGDPpercapitaandnegativelycorrelatedwithenergyintensity.WealsoshowthatgraycorrelationdegreewithCO2emissionsforfivevariables（i.e.,householdconsumption,urbanizationrate,householdsize,populationagingrate,populationsize）variessubstantially:householdconsumption>urbanizationrate>householdsize>populationagingrate>populationsize,withhouseholdconsumptionbeingthehighest,andpopulationsizethelowest.TomitigatetheimpactofdemographicdynamicsonCO2emissions,itisofvitalsignificancetonurturepeople’sawarenessofsustainableconsumptionandtoadheretocurrentpopulationcontrolpolicies.

简介：介绍了尖山铁矿通过实验调查分析平硐CO来源，并提出了防治措施。

简介：HouseholdconsumptionisoneoftheimportantfactorsthatinduceCO2emission.Basedoninput-outputmodel,thisarticlecalculatedtheintensityofCO2emissionofdifferentincomegroupsandsevenprovincesinChina,andthenestimatedtotalCO2emissioninducedbyurbanhouseholdconsumptionfrom1995to2004inChinabasedonstatisticdataofhouseholdlivingexpenditure.TheresultsshowthatCO2emissionpercapitainducedbyhouseholdconsumptionhadincreasedfrom1583to2498kgCO2during1995-2004.Theratioofconsumption-inducedCO2emissiontototalCO2emissionhadrisenfrom19%to30%inthepastdecade.IndirectCO2emissionaccountedforanimportantpartoftheconsumption-inducedemission,theratioofindirectemissiontoconsumption-inducedemissionhadrisenfrom69%to79%duringthesameperiod.Asignificantdifferenceinconsumption-inducedCO2emissionacrossdifferentincomegroupsanddifferentregionshasbeenobserved.CO2emissionpercapitaofhigherincomegroupsanddevelopedregionsincreasedfasterthanthatoflowerincomegroupsanddevelopingregions.ChanginglifestylehasdrivensignificantincreaseinCO2emission.Especially,increasesinprivatetransportexpenditure(forexample,vehicleexpenditure)andhousebuildingexpenditurearekeydrivingfactorsofgrowthinconsumption-inducedCO2emission.TherearebigdifferencesintheamountofCO2emissioninducedbychangeinlifestyleacrossdifferentincomegroupsandprovinces.Itcanbeexpectedthatlowerincomehouseholdsanddevelopingregionswillincreaseconsumptiontoimprovetheirlivingswithincomegrowthinthefuture,whichmayinducemuchmoreCO2emission.AreasonablelevelofCO2emissionisnecessarytosatisfyhumanneedsandtoimprovelivingstandard,butanoticeablefactisthatCO2emissionpercapitainducedbyhouseholdconsumptionindevelopedareasofChinahadreachedaquitehighlevel.Adjustmentinlifestyletowardsalow-carbonsocietyisinurgentneed.

简介：AftertheKyotoProtocolwasimplemented,carbonleakageexertsgreatinfluencesoninternationaltradeandeconomy.Tradecreatesamechanismforconsumerstoshiftenvironmentalpollutionassociatedwiththeirconsumptiontoothercountries.ChinahasovertakentheU.S.astheworld'sbiggestCO2emittersince2006.AsChina'ssecondlargesttradepartner,theU.S.hasthebiggesttradedeficitwithChinawhichhasarousedalotofdisputesbetweenthetwoparties.ButsofartheassessmentsofthetradeimbalanceofChina-U.S.havepaidlittleattentiontoenvironmentalimpactsassociatedwiththetradeimbalance.Appliedaninput-outputapproach,thearticleestimatestheamountofCO2embodiedinChina-U.S.tradeduring1997-2007.ItwasfoundthatthroughtradewithChina,theU.S.reduceditsCO2emissionscomparedwithanon-tradescenario.Duetothegreatercarbon-intensityandrelativelylessefficientproductionprocessesofChineseindustry,China-U.S.traderesultedinmoreCO2emissionsinChinaandtheworld.Intheend,thearticlegivessomesuggestions:itisequalandsustainablethattheinternationalaccountingmethodologiesshouldbeimproved,forCO2emissionsresponsibilitymustbedesignedtoaccountforthedynamicnatureofinternationaltrade.

简介：EstablishingpositiveandurgenttargetsforCO2reductionandemissionpeak,andpromotingenergyconservationandenergystructureadjustmentareamongthestrategiestoaddressglobalclimatechangeandCO2emissionsreduction.Theyarealsomeanstobreakthroughtheconstraintsofdomesticresourcesandenvironment,andinternalneeds,toachievesustainabledevelopment.Generallyspeaking,acountry’sCO2emissionpeakappearsafterachievingurbanizationandindustrialization.Bythen,connotativeeconomicgrowthwillappear,GDPwillgrowslowly,energyconsumptionelasticitywilldecrease,andenergyconsumptiongrowthwillslowdown-dependentmainlyonnewandrenewableenergies.Fossilfuelconsumptionwillnotincreasefurther.WhenCO2emissionreachesitspeak,theannualreductionrateofCO2intensityofGDPisgreaterthanGDPannualgrowthrate;andtheannualreductionrateofCO2intensityofenergyuseisgreaterthantheannualgrowthrateofenergyconsumption.Therefore,threeimportantapproachestopromotionofCO2emissionpeakcanbeconcluded:maintainingreasonablecontrolofGDPgrowth,strengtheningenergyconservationtosignificantlyreducetheGDPenergyintensity,andoptimizingtheenergymixtoreducetheCO2intensityofenergyuse.Byaround2030,Chinawillbasicallyhavecompleteditsrapiddevelopmentphaseofindustrializationandurbanization.ConnotativeeconomicgrowthwillappearwiththeaccelerationofindustrialstructureadjustmentThetargetofGDPenergyintensitywillstillbetomaintainanaverageannualreductionof3%orhigher.Theproportionofnon-fossilfuelswillreach20-25%,andtheaimwillbetomaintainanaverageannualgrowthrateof6-8%.Thetotalannualenergydemandgrowthof1.5%willbesatisfiedbythenewlyincreasedsupplyofnon-fossilfuels.TheannualdeclineinCO2intensityofGDPwillreach4.5%orhigher,whichiscompatiblewithanaverageannualGDPgrowth

简介：为保障天然气脱碳后有效开发,对产生的CO_2资源进行处理,减少外排造成的污染,在CO_2驱油的基础上,拓展应用领域,开展CO_2吞吐技术研究,通过实验评价,应用于吞吐增产机理主要有解膨胀、降低原油黏度及回流返排等三个方面,利用数模与物模等方式对注入量、注入压力及闷井时间等参数进行优化设计。技术研究成功,在吉林油田规模应用100井次/年均,增产原油0.7万t,投入产出比1：1.5,可达到减排目的。

简介：ThispaperproposestouseDEAmodelswithundesirableoutputstoconstructtheMalmquistindexthatcanbeusetoinvestigatethedynamicchangesofCO2emissionperformance.Withtheindex,theauthorshavemeasuredtheCO2emissionperformanceof28provincesandautonomousregionsinChinafrom1996to2007;withtheconvergencetheoryandpaneldataregressionmodel,theauthorsanalyzetheregionaldifferencesandtheinfluencingfactors.ItisfoundthattheperformanceofCO2emissionsinChinahasbeencontinuouslyimprovedmainlyduetothetechnologicalprogress,andtheaverageimprovementrateis3.25%,withacumulativeimprovementrateof40.86%.Inaddition,theCO2emissionperformancevariesacrossfourregions.Asawhole,theperformancescoreofeasternChinaisthehighest.ThenortheasternandcentralChinahasrelativelylowerperformancescores,andthewesternChinaisrelativelybackward.Theregionaldifferencesaredecreasing,andtheperformanceofCO2emissionsisconvergent.TheinfluenceofsomefactorsontheperformanceofCO2emissionsissignificant,suchasthelevelofeconomicdevelopment,thelevelofindustrialstructure,energyintensity,andownershipstructure.Theinfluenceofsomefactors,suchasopening-uptotheoutsideworld,ontheperformanceofCO2emissionsisnotsignificant..

简介：介绍了溶剂吸收法、膜分离法和变压吸附法3种常见的气体分离方法，并分析现有CO2回收工艺存在的问题。以某炼油厂制氢驰放气碳捕集为例，从工艺流程、操作条件、运行费用等方面对3种分离方法进行了筛选。溶剂吸收法因投资、运行、维护成本均较高，膜分离法产品浓度不能稳定达到要求而不适用，变压吸附法由于投资较高，但操作简单，维护费用低，且产品气浓度满足要求。所以变压吸附法是适合制氢驰放气碳捕集的最优方法。