简介：本文介绍由三片集成块ＣＳ８２０４、ＷＥ９１４０Ａ、ＴＥＡ１０６１组成的典型电话机电路，主要分析电话机的电源供给电路、振铃电路、拨号电路和通话电路。

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简介：有一双chelatingaminotropone的Ti建筑群的合成和结构[在上]ligand被报导了。功能的理论(DFT)学习的密度的计算建议当与methylaluminoxane(毛)激活时，二度(aminotropone)Ti建筑群为olefinic单体的聚合有高潜力。这些理论研究也证明活跃种类通常从二度(aminotropone)导出Ti催化剂与用二度(phenoxyimine)生产的那些相比拥有更高的electrophilicity自然作为高效石蜡聚合催化剂被知道的Ti建筑群(TiFI催化剂)。二度(aminotropone)Ti催化剂产生比TiFI有更高的electrophilicity的催化地活跃的种催化剂。

简介：Vanadiumalloys,especiallythatofV4Cr4Ti,aresupposedasthepromisingcandidatestructuralmaterialforfusionapplicationsfortheirgoodthermalproperties,hightemperaturestrengthandtheinherentlowactivationcharacteristics.However,inrecent

简介：WereportanenhancementcavityforfemtosecondTi:sapphirelaserattherepetitionrateof170MHz.Anenhancementfactorof24isobtainedwhentheinjectingpulseshaveanaveragepowerof1Wandapulsedurationof80fs.ByplacingaBBOcrystalatthefocusofthecavity,weobtaina392-mWintracavitydoubled-frequencylaser,correspondingtoaconversionefficiencyof43%.Theoutputpowerhasalong-termstabilitywitharootmeansquare(RMS)of0.036%.

简介：Vanadiumalloys(V-Cr-Tiseries)areimportantcandidatematerialsforblanketcomponentsoffusionreactorsduetotheirlowactivationandhighstrengthatelevatedtemperatures.Low-temperatureirradiationembrittlementdeterminestheoperationtemperaturelimitofVanadiumalloysfortheapplicationtostructuralmaterialsoffusionreactorsirradiationresponseofvanadiumalloysneedstobeclarifiedfortheirapplication.Inthepresentstudy,specimensoftwoalloys(V-4Cr-4TiandV-5Cr-5Ti)wereirradiatedwithenergeticHeionsandheavyionstounderstandhardeningofthealloysduetoheliumaccumulationandcascadedamageproduction.

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简介：首先在局部凸H-空间中，建立了新Fan—Ha型截口定理及一些相应的等价形式．作为应用，我们在H-空间中研究极大极小定理，本文中的定理把已有文献中的相应结果改进和推广到H-空间．

简介：基于Mg的氢存储合金MgNi，Mg0.9Ti0.1Ni，和Mg0.9Ti0.06Zr0.04Ni成功地借助于机械alloying(麻省)被准备。结构和这些基于Mg的材料的电气化学的特征被学习。X光检查衍射(XRD)结果证明合金的主要阶段展出非结晶的结构。扫描电子显微镜学(SEM)相片证明Ti和Zr的粒子尺寸代替了合金是在直径的大约24m。合金的周期生活被增加Ti和Zr延长。在50个费用分泌物周期以后，Mg0.9Ti0.06Zr0.04Ni的分泌物能力比MgNi合金的高是91.74%并且37.96%比Mg0.9Ti0.1Ni的高合金。为电极能力腐烂的主要原因是Mg的形成(哦)2(Mg腐蚀的产品)在合金的表面。potentiodynamic极化结果显示做的Ti和Zr在一个碱的答案改进耐蚀。电气化学的阻抗光谱学(EIS)结果建议做的Ti和Zr的那合适的数量显著地改进电气化学的催化活动。

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简介：利用线性伏安法和恒电流电解法研究了苯酚在Ti／PbO2电极上的电催化氧化反应，通过电氧化过程中反应物和中间物的高效液相色谱测定，研究了苯酚在Ti／PbO2电极上电催化氧化的反应机理．实验发现，Ti／PbO2电极对水溶液中苯酚的电氧化具有显著的催化作用，25℃时，对初始浓度为2mmol／L的苯酚水溶液，恒定电流密度为50mA／cm2，电解3h，苯酚转化率为98．02％，有机碳去除率为54．36％．苯酚在Ti／PbO2电极上电催化氧化要经过对苯二酚或邻苯二酚、对苯醌、反丁烯二酸和草酸，最终变成二氧化碳和水的历程．第一步反应苯酚转化的主产物是对苯二酚．对苯二酚转化为苯醌和苯醌转化为反丁烯二酸的反应为慢反应，反丁烯二酸转化为草酸的反应为快反应．

简介：PhotocatalyticH2productionhasemergedasoneofthemostcleanandpromisingrenewableenergysources.InspiteoftheeffortstoobtainefficientphotocatalystsabletoproduceH2fromSunlightandwater,thereisstilltheneedtopreparecheaperandenvironmentalfriendlierphotocatalysts.Phosphatebasedmaterialscouldbegoodcandidatestofulfilltheserequirements.InthismanuscriptwehavepreparedasetofmixedTi3+/Ti4+valence,open-frameworktitaniumphosphates（of-TiPO4）andmixedtitaniumoxide/phosphatederivatives（cr-TiP）,correlatingtheirstructureandcompositionwiththephotocatalyticactivityforH2production.Wedeterminedthatmixedtitaniumoxide/phosphatecrystallinephasesproducedenhancedH2evolutionunderSunsimulatedlightirradiationthanmixedTi3+/Ti4+valence,open-frameworktitaniumphosphatesandtitaniumoxidephases.

简介：用离子束技术探讨了Si表面纳米Ti薄膜制备的可行性以及Ti薄膜组织结构与离子束工艺之间的关系。实验进行试样表面预处理、轰击离子能量、离子密度、温度、沉积时间等离子束工艺参数对单晶Si(111)表面沉积的Ti薄膜结构的影响。采用原子力显微镜(AFM)和扫描电子显微镜(SEM)分析了Ti膜表面晶粒形貌，并用X射线衍射仪(XRD)和俄歇电子谱仪(AES)分析了Ti膜的结构和成分。由于残余气体的影响，Ti膜发生了不同程度的氧化，随温度升高和轰击离子强度增加氧化愈加明显。

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简介：Duetolowactivationcharacteristics,desirablehigh-temperaturestrength,goodresistancetoradiationdamageandusablefabricationproperties,vanadium(V)alloysareattractivecandidatestructuralmaterialsforfusionreactors[1].Irradiationinducedhardening/embrittlementatlowtemperatureisamajorproblemforthematerialsapplicationinfusionreactor[2].Inthisstudy,H/Heionswithvariousenergieswereusedtoirradiateapurevanadium(V)andaValloy(V-4Ti)toobtainadamageplateaufromsamplesurfacetothedepthof1.5m,asshowninFig.1[3].Thedetailsofirradiationparameters(energies,fluences)forHandHeionsareshowninTable1.NanoindentationwasperformedtoinvestigatethehardeningbehaviorofV-4TialloyandpureVunderirradiation.

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简介：Two-dimensional(2D)metalcarbides,MXene,presentthepromisingapplicationfortheenergystoragesystem.AmongtheMXenefamily,Ti2CTxasthelightestmaterial,showsitsuniqueelectrochemicalperformance.Herein,Ti2CTxissynthesizedbyselectiveetchingAllayerfromtheTi2AlC.WiththeoptimizedHFtreatingcondition,Ti2CTxdisplayshighvolumetriccapacitaneeandremarkablerateability.Moreover,theTi2CTx//Ti2CTxsymmetricsupercapacitorisdesignedandassembled,whichpresentscapablecapacitance,outstandingrateperformanceandexcellentcyclingperformance.Theremarkableelectrochemicalperformanceisattributedtoits2Dstructureandhighelectronicconductivity.ThisworkdemonstratesthepotentialapplicationoftheTi2CTxforthesupercapac让o「sandprovidesatemplatetodesignhighperformancesupercapacitorswith2Delectrodematerials.