简介：我们综合有单个多孔的壳和Ag@Au/Ag@Au的空结构的Ag@Aunanoparticles由使用流电的代替反应加倍壳并且调查他们的线性、非线性的光性质。我们的结果证明空多孔的nanoparticles的表面电浆子回声波长能被控制HAuCl4的体积容易在可见、近的红外线的区域在一个宽范围调节。双shelledAg@Au/Ag@Aunanoparticles的非线性的光折射被电浆子回声显著地提高。我们的调查结果可以在生物传感器和非线性的光nanodevices发现应用。

简介：ThispaperreportstheuseofAufilmstoimprovetheperformanceofthestackedsolidoxidefuelcell(SOFC)basedonthecharacterizationoftheinterfaceandtheadhesionbetweentheelectrodesoftheSOFCsandtheAgpaste.Thespecimensweremanufacturedtoperformtheexperimentasfollows.ASiO2waferwitha300mmnotchwasattachedtotheelectrodesofaSOFCbyaAgpasteandAufilm,whichweredepositedontheelectrodesbysputteringfor1minor5mindepositiontimeandannealedat300Cfor1h.Thefour-pointbendingtestwasperformed,whichresultedintheformationofanextendedcrackatthetiponthewafernotch,andthecrackpropagationwasobservedusingastereomicroscopeequippedwithacharge-coupleddevice(CCD).Consequently,theinterfacialadhesionenergyandtheeffectoftheAufilmbetweentheeachelectrodeandtheAgpastecanbeevaluated.Onthecathode,theinterfacialadhesionenergywithoutAufilmwas2.59J/m2(uppervalue)andtheadhesionenergyincreasedto11.59J/m2(uppervalue)and15.89J/m2(lowervalue)withtheAufilm.Ontheanode,theinterfacialadhesionenergywithoutAufilmwas1.74J/m2(uppervalue),whichincreasedto11.07J/m2(uppervalue)and14.74J/m2(lowervalue)withtheAufilm.Inaddition,theinterfaceareaswereanalyzedbyscanningelectronmicroscopy(SEM)andenergydispersivespectroscopy(EDS)toestimatetheinterfacedelamination.

简介：Itisawellknownfactthatmagnaticcryoto-explosion,asaspeeialformofmagmatismunderthenear-surfacecondition,hasacloseconncctionwithcdogcnicmctaldcposits,particularlywiththoseofporphyrytyPe,suchaSporphyryCu-Mo,Pb-Zn,W-SnandUdcposits’However,onlyinrcccntyearsbavetheChineseoregeologistsandpetrologistsgivenin

简介：Ithaslongbeenacontroversyaboutthesourceofore-formingmaterialsofAu-Agpolymetallicdepositsbothinmetallogenictheoryandinore-searchingpractice.IntermsofalargewealthoftheisotopicstatisticsdatafromIndosinian-YanshanianendogenicoredepositsinnorthernHebei(generallyreferringtotheareasalongthenorthernpartofTaihangMountainsandnorthernHebei,thesamebelow),itisconsideredthattheore-formingmaterialscamefromthedeepinterioroftheEarth,whichhadmigratedthroughplumestotheEarthsurfacewhileex-periencedmulti-stageevolutionandthenemplacedprogressivelyinfavorablestructurallocitoformores.Theirisotopedatashowthat559sulfurisotopicdatafrom40oredepositsare,forthemostpart,withintherangeof-5‰-5‰,withahighdegreeofhomogenization,indicatingthatthesulfurisderivedmainlyfrommagma;200leadisotopedatafrom37oredepositsindi-catethattheore-formingmaterialsareprincipallyofmantlesourcethoughsomecrust-sourcema-terialwasinvolved;96oxygen,hydrogenandcarbonisotopedatafrom34oredepositsillustratethattheore-formingfluidsaredominatedbymagmaticwaterwhileothersourcesofwaterwouldbeinvolved.Itmaythereforebeseenthattheformationofendogenicdepositshasnothingtodowiththestrata.

简介：本文利用XRF金标样的多元素回归方程,对Pt、Pd的荧光强度进行修正,修正后的荧光强度当作Au、Ag的荧光强度代入回归方程中,利用计算机编程计算铂制品中的Pt、Au、Pd、Ag、Cu、Ni等6种元素的含量.该法测定的准确度优于0.5%,适用于Pt的测定范围为85%～99.92%,具有无损、快速、准确、可靠等优点.

简介：CrystallineTiO2（P25）andisolatedtitanatespeciesinaZSM-5structure（TS-1）weremodifiedwithAuandAg,respectively,andtestedinthegas-phasephotocatalyticCO2reductionunderhighpurityconditions.Thenoblemetalmodificationwasperformedbyphotodeposition.LightabsorbancepropertiesofthecatalystsareexaminedwithUV–Visspectroscopybeforeandaftertheactivitytest.Inthegas-phasephotocatalyticCO2reduction,itwasobservedthatthecatalystswithAgnanostructuresaremoreactivethanthosewithAunanostructures.Itisthusfoundthattheenergeticdifferencebetweenthebandgapenergyofthesemiconductorandthepositionoftheplasmonisinfluencingthephotocatalyticactivity.Potentially,plasmonexcitationduetovisiblelightabsorptionresultsinplasmonresonanceenergy,whichaffectstheexcitationofthesemiconductorpositively.Therefore,anoverlapbetweenbandgapenergyofthesemiconductorandmetalplasmonisneeded.

简介：PPG工业公司建筑涂料部门近日携手上海市房地产行业协会、建筑节能推广专业委员会在沪上知名的华氏画廊举行了一场别开生面的PPG申纽丽漆产品展示会，介绍了首次将纳米技术运用到涂料中的申纽丽NPS纳米系列产品，吸引了许多业界建筑师和房地产商一同体验申纽丽漆的魅力。

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简介：吴语中的ＮＰＳ句和ＳＯＶ句钱乃荣本文中的“ＮＰＳ句”指的是在一个句子（主谓句或无主句）前带有一个话题语的句法话题句，“Ｓ”是“ｓｅｎｔｅｎｃｅ”，“ＮＰ”是名词短语；本文中的“ＳＯＶ”句指的是宾语前置于动词的句子，“Ｓ”是“ｓｕｂｊｅｃｔ”，“Ｏ”是...

简介：Ｓｔｒｏｎｇｅａｒｔｈｑｕａｋｅａｃｔｉｖｉｔｙａｌｏｖｅｒｔｈｅｗｏｒｌｄａｎｄｓｔｒｏｎｇ┐ｍｏｄｅｒａｔｅｅａｒｔｈｑｕａｋｅａｃｔｉｖｉｔｙｗｉｔｈｉｎａｎｄｎｅａｒＣｈｉｎａ（Ｊｕｎｅ～Ａｕｇｕｓｔ，１９９５）ＰＥＩ－ＳＨＡＮＣＨＥＮ（陈培...

简介：Tadpole-shapedAunano-particleswithcontrollabletailsaresuccessfullyfabricatedbysimplyusinglaserfragmentationofseparatedAunano-spheresinliquid.Theoptimumlaserpowerdensities(1.5–3GW∕cm~2)canenablepartoftheindividualAunano-spheretobere-melted,released,andultra-rapidlyrecondensed/crystallizedontheoutsideoftheoriginalregion.Wefindthatthelengthofthetailinatadpole-shapedAunano-particlesignificantlyincreasesfromabout10to25nmbyincreasingthelaserpowerdensity.Benefitingfromtheuniquestructuralfeatures,thelocalizedsurfaceplasmonresonance(LSPR)absorptionspectraofthetadpole-shapedAunano-particlesbecomebroaderbyincreasingthetaillength.Moreover,theLSPRabsorptionbandalsoexhibitsanoticeableredshiftfromabout520to650nm.Ourresultsprovideaconvenientandvaluablestrategytofabricatednovelanisotropic-shapednano-structureswithfascinatingproperties.

简介：美国赛鸽运动象征着美利坚合众国生存与拓展的缩影，它的萌生和扩大则受到欧洲赛鸽文化的影响，同时，也在本土化行动中逐渐形成具有本国特色的发展轨迹。如今，美国赛鸽联盟已逢百年生辰，

简介：Quartzcrystalmicrobalance(QCM)andcyclicvoltammetry(CV)wereusedtocharacterizethemonolayerofcytochromec(Cytc),whichwasadsorbedongoldfilmmodifiedwithalkanethiolmixedmonolayer.AdirectcomparisonofproteinsurfacecoveragescalculatedfromQCMandcyclicvoltammetricmeasurementsillustratesthattheratiooftheelectroactiveCytctothetotalsurface-confinedCytcis34%,whichsuggeststhattheorientationisamainfactoraffectingtheelectroactivityofCytc.Moreover,surfaceplasmonresonance(SPR)measurementcombinedwithCV'insitu'wasusedtoinvestigatetheconformationalchangeofCytcintheredoxprocess.Besides,Aunanoparticles(AuNPs)wereadsorbedonthesurfaceofCytc.TheresultindicatesthatAuNPspromoteelectrontransferbetweenCytcandthegoldelectrode,andSPRresultsuggestsAuNPsenhanceSPRsignal.

简介：这里评介的诗文选自菲利普·雅各泰的笔记体诗集《播种季节》。诗人以精确、细腻的笔触描写了季节的更替和时光的色彩。诗中的比喻虽少,但都旨在揭示世界与文字之间的紧密联系。这位苛刻而敏感的法国作家有时似乎希望用自己的笔再现出中国诗歌中常见的那种精妙意境。

简介：传导性的Au-biopolymercomposites在象神经织物那样的织物工程有有希望的应用新生。在这研究，丝绸丝心蛋白nanofibers被调整丝绸在水的答案形成自己组装进程然后为Aunanowire用作模板制造。我们由重复播种周期执行了Au种子的合成因为若干次Au的密度在nanofibers上播种以便增加。在无电的plating以后，浓密地装饰了种子种了进跟随丝绸nanofiber充满在粒子之间的差距并且最后形成一致连续nanowires的不规则地塑造的粒子的Au。Au丝绸丝心蛋白nanowires的传导性的性质被学习与当前电压(IV)测量。典型欧姆的行为被观察，它在神经织物新生加亮他们的潜在的应用。

简介：农业学校让学生爱上农业的秘密是什么呢？农业学校不但教学生农业知识，还教他们管理、社会交往、做生意等，以此激发学生热爱农业的兴趣，这就是他们的“爱农的秘密”。

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简介：摘要NPS新生产技术又称为精益生产模式。该生产模式由于先进的理念，以及丰富的生产实践与管理技巧，成功的运作情况，在国内各行业内迅速展开，也吸引了许多资深管理者和学者的注意力与研究。本文就光学冷加工行业的特殊性与NPS实施的可行性进行了一些探讨，以及一些应用实例，希望能给传统光学冷加工行业提供一些借鉴。

简介：在氩气气氛下,将Ag2O与石墨通过机械活化或热还原反应生成Ag,对其等温还原过程的动力学进行研究。结果表明,采用Johnson-Mehl-Avrami模型能合理地解释Ag2O与石墨经机械活化和热还原合成Ag的过程。采用相同的模型来研究机械活化和热还原反应合成Ag的动力学时,机械活化还原过程中的Avrami指数比热还原的要高;热还原和机械活化过程中的晶核长大机制分别是扩散控制和界面控制。

简介：作者在此文中综述了关于兰波《彩图集》中“野蛮”一诗现有的各种诠释,并在此基础上重点分析了此诗中两个含义费解的段落(第二段和第六段),试图说明隐喻如何成为变形,隐喻如何使诗歌转向神话,以及“野蛮”一诗如何引导读者超越现实,发现本质。