简介：Inthispaper,abetterasymptoticorderofFouriertransformonSL(2,R)isobtainedbyusingclassicalanalysisandLieanalysiscomparingwiththatof[5]、[6],andthePlanchereltheoremonCc2(SL(2,R))isalsoobtainedasanapplication.

简介：AconstructiveproofisgivenfortheinversionformulaforzonalfunctionsonSL(2,R).AconcretelyconstructedsequenceofzonalfunctionsareprovedtosatisfytheinversionformulaobtaAnedbyHarish-Chandraforcompactsupportedinfinitelydifferentiablezonalfunctfons.Makinguseofthepropertyofthissequencesomehowsimilartothatofapproximationkernels,theauthorndeducethattheinversionformulaistrueforcontinuouszonalfunctiotmon8L(2,R)somecondition.Theclassicalresultcanbeviewedasacorollaryoftheresultshere.

简介：Wepresenttheextendedhydrogenatomandmonopole-hydrogenatomtheorythroughgeneralizingtheusualhydrogenatommodelandwithamonopolemodelrespectively,inwhichY(sl(2))algebrasarerealized.WederivetheHamiltoniansofthetwomodelsbasedontheY(sl(2))andthegeneralizedPauliequation.TheenergyspectraofthesystemsarealsogivenintermsofYangianalgebraandquantummechanics.

简介：ThispapersolvesanopenproblemofVaserstein.Themainresultis:theequationx^m+y^m=z^mhasasolutioninSL2zifandonlyifmisnotdivisibleby4or6andmisnotcongruentto3modulo6.

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简介：ThedetailedmicrostructuresofNi80Fe20/Fe50Mn50superlatticeshavebeencharacterizedusingbothx-raydiffractiontechniquesandtransmissionelectronmicroscopy.Theobrivouslayeredstructure,typicalcolumnstructureandtwinswhichexistinNi80Fe20/Fe50Mn50superlatticeswereobservedthroughperformingtransmissionmicroscopy.Bycombiningthetechniqueoflowanglex-rayreflectivity(specularandoff-specularscans)withtheanomalousscatteringeffectandhigh-anglex-raydiffraction(usingconventionalx-ray),wequantitativelyanalysedthemicrostructuralvariationasafunctionofannealingtemperature.Itisfoundthatthelateralcorrelationlength,the(111)peakintensityofthesuperlatticesandtheaveragemultilayercoherencelengthallincreasewithariseinannealingtemperatureannealingcandecreasetherootmean-squareroughnessattheinterfacesofNi80Fe20/Fe50Mn50superlattices.theobtainedmicrostructuralknowledgewillbehelpfulinunderstandingthemagneticpropertiesoftheni80Fe20/Fe50Mn50exchangebiassystem.

简介：用机械合金化方法制备了(FeAl3)75Zr25和(FeAl3)50Zr50非晶态合金,用X射线衍射仪和热分析仪对制备的非晶态合金的结构特性及热稳定性进行了研究,用振动样品磁强计对(FeAl3)75Zr25和(FeAl3)50Zr50混合粉末在机械球磨过程中的磁性变化进行了研究,并对其晶化产物及其晶化后合金的磁性进行了分析。结果表明:(FeAl3)75Zr25的晶化产物为Fe3Zr和Al1.65Fe0.33Zr;(FeAl3)50Zr50非晶态合金的晶化产物为FeZr2和AlZr2。(FeAl3)75Z

简介：我们第一建议并且示威能与150mm的一种横梁尺寸改正petwattTi:sapphire激光系统的波前的一条新节俭的途径。由与50mm使用一面可变形的镜子活跃的孔最后激光，焦点的点尺寸有效地被减少。试验性的结果证明新途径从一个技术、节俭的点简单、更少昂贵、有效。这种技术能被使用与一个更小的孔改正一根大光横梁的波前可变形的镜子。

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简介：不同尺寸的喷雾器被一个安德森空气刺绣花样收集观察黑碳(BC)的详细形态学与另外的伴随的喷雾器化学上被分开的喷雾器，用与一个精力DispersiveX光线分光计(SEM-EDX)装备的一台扫描电子显微镜。结果显示大多数BC喷雾器是在直径并且与同类的表面的大约50nm的球形的粒子。结果也证明这些粒子与另外的喷雾器或与自己一起聚集形成更大在测微计范围聚结。这些50-nmBC球形的粒子的形状被发现很类似于免除石油动力的车辆的内燃机的BCparticles的。这些球形的BCparticles被显示与发现帮助usingMatrix的激光解吸附作用/电离蒂米夫莱特·马斯·斯佩克特罗梅特里(MALDI-TOF-MS)的以前报导的fullerenes不同。

简介：Variousagriculturalcropresiduesincludingcornstover,corncob,andsorghumstalkwithamoisturecontentof75wt%weresubjectedtoalongpretreatment(12-60h)withsupercriticalCO2(scCO2),atlowtemperature(50-80℃)andapressureof17.5-25.0Mpa.Thesugaryieldsfromtheenzymatichydrolysis(EH)ofthepretreatedsampleswereasmuchasthree-tofourfoldgreaterthanthoseaffordedbytherawmaterials.However,whenpretreatmentwasconductedwithinashorttime(e.g.0.5h),aspreviouslyreportedintheliterature,onlyaslightincreaseintheEHsugaryieldswasobserved.TheproposedscCO2pretreatmentmechanismdemonstratedtheroleofmoistureinthesystem.Wetting,softening,andswellingwereobservedtomainlyaffectthelignocellulosewhenasuitableamountofwaterwasadded.Finally,thesampleswereanalysedbyX-raydiffractionandscanningelectronmicroscopy,beforeandafterpretreatment,toinvestigatethechangesinthemicroscopicstructureofthebiomass.

简介：ＥｘｐｅｒｉｍｅｎｔａｌＭｅａｓｕｒｅｍｅｎｔｓｏｆＮｅｕｔｒｏｎＤｉｓｔｒｉｂｕｔｉｏｎｓｉｎ５０ＭｅＶ／ｕ１８Ｏ＋Ｂｅ，ＣｕａｎｄＡｕＲｅａｃｔｉｏｎｓ￥ＬｉＧｕｉｓｈｅｎｇ；ＺｈａｎｇＴｉａｎｍｅｉ；ＬｉＺｏｎｇｗｅｉａｎｄＳｕＹｏｕｗｕ?..

简介：Intrinsicapoptosis,apossibleresponsetomitochondrialdamage,inMDA-MB-231cellsexposedtodifferentdosesofcarbonionswasinvestigatedinthisstudy.WeassessedBaxandBcl-2expressionandcytochromecreleaseinthemitochondriaandcytosolofcellsexposedtolow(0.5Gy)andhigh(3Gy)dosesofcarbonionsusingwesternblotanalysis.

简介：从学生未来人生的需要着眼，学校教育已把培养创新精神，创新意识，创造才能作为提高学生素质的重点．因此，全国各地的中考数学试题中出现了一些新型的题型，如：开放型、探索型，实际应用型类型的题目，引起广大师生的高度重视，并给数学教学增添了新的活力．

简介：应用解析鞅的不等式及其收敛性给出了Ｂａｎａｃｈ空间的型和余型的刻划．

简介：建立了shodexICYS-50阳离子色谱柱测定河水中阳离子的离子色谱方法。以甲基磺酸（4mmol/L）为淋洗液，流速为1mL/min，抑制电导法检测，每个样品的分析时间为20min。在优化的实验条件下，Na＋、NH4＋、K＋、Mg2＋、Ca2＋的检出限分别为1.30、1.44、3.18、2.31、5.17μg/L；加标回收率为91.24%-104.8%。并将此色谱柱与DionexIonpacCS12A进行分析比较，两根柱子的检测结果数据一致。研究结果表明：方法简便、快速、准确可靠，适合对河水此类复杂样品的检测。

简介：<正>随着新课程理念的全面推进,从小学到中学,探究题可以说比比皆是,层出不穷,而且形式多样.有一类是"规律型探究题",趣味性强,难度一般,对于水平中

简介：ＲｅｃｏｉｌＲａｎｇｅｓｏｆＮｅａｒ－ｔａｒｇｅｔＰｒｏｄｕｃｔｓｆｒｏｍ５０ＭｅＶ／ｕ１８Ｏ＋１９７Ａｕ￥ＹａｎｇＹｏｎｇｆｅｎｇ；ＺｈａｏＺｈｉｚｈｅｎｇ；ＬｉＺｏｎｇｗｅｉ；ＺｈｕＳｈａｏｆｅｉ；ＣａｔＸｉｃｈｅｎｇ；Ｙａ...

简介：ＡｃｔｉｖａｔｉｏｎＭｅａｓｕｒｅｍｅｎｔｓｏｆＮｅｕｔｒｏｎＤｏｓｅＥｑｕｉｖａｌｅｎｔＲａｔｅｓｉｎ５０ＭｅＶ／ｕ￣（１８）Ｏ－ｉｏｎＴａｒｇｅｔＡｒｅａ￥ＬｉＧｕｉｓｈｅｎｇ；ＺｈａｎｇＴｉａｎｍｅｉ；ＬｉＺｏｎｇｗｅｉａｎｄＳｕＹｏｕｗｕＮｅ...