简介：剧降钢笔nanolithography(DPN)是为直接与sub-50nm分辨率在表面上打印材料的一个有用方法。因为它从一个扫描探查尖端包含材料的物理运输到表面和和表面的那材料的随后的化学相互作用，当试图理解DPN时，有许多因素考虑。在这评论，我们概述为所知的物理、化学的过程在DPN起一个作用。通过文学的详细评论，我们基于他们的运输性质分类墨水进三个一般范畴，并且加亮DPN能被用来在一根扫描探针的尖端执行化学的无数方法。

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简介：MoreandmorelanguageteachersarefindingthattheWorldWideWebisatreasurechestofauthenticlanguagematerialsandareactivelyintegratingon-linerealdataandotherresourcesintotheirclasses.ThispapermainlyfocusesonbenefitsaswellasactivitiesofselectingandusingInternetmaterialinEnglishclasses.ItisagoodwayofmotivatingstudentstouseEnglishoutsidetheclassroomandtomakeEnglishapartoftheirdailylives.

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简介：Inordertoestimatetheerosionratesofsomeplasmafacingcomponentmaterials,thesputteringyieldsofMo,Wanddeuterium-saturatedLibombardedbyfusionchargedparticlesarecalculatedbyapplicationofnewsputteringphysicsdescriptionmethodsbasedonthebipartitionmodelofiontransporttheory.ThecomparisonswithMontecarlocalculationandexperimentalresultsaremade.Thesedatamightbeusefultoestimatethelifetimeofplasmafacingcomponentsandtoanalysetheimpuritylevelincoreplasmaoffusionreactors.

简介：由MAaterialDesign引发的思考：拟物or扁平？一直以来，在潜意识当中，我们会把屏幕内的世界从现实世界中独立出来，我们是通过屏幕这个窗口来窥探那边的世界。在屏幕内，世界运行着一套与现实物理世界完全不一样的规律，这个世界里面没有距离和重量；力的作用也不再那么明显，所以任何东西都可以瞬间出现和消失，可以任意融合与分离。

简介：Aimofpresentworkistoreplaceasbestosinthermalinsulationbyanotherpercentageofnon-toxicfillerssuchassilica.DifferentformulationsoffillerswerepreparedandaddedtoNordel(Tradenameassignedforethylene,propyleneand1,4-hexadieneelastomers).Thephysicalandmechanicalproperties(afterandbeforeaging),andthermalpropertiesofthepreparedsampleswereinvestigated.Theobjectivewastochooseanewformulationwithpropertiesthatresembleascloselyaspossiblethoseoftheoriginallyusedinthermalinsulation.Aftermeasuringthepropertiesoftensilestrength,elongation,hardness,specificgravity,compressionset,reboundresilience,thermalconductivity,andinitialandfinaldecompositiontemperatures,thesamplethathadvaluesveryclosetothoseoftheoriginallyusedinthermalinsulationwaschosenandrecommendedtobeused.FromcomparisonitwasfoundthatEPDMrubberwith50%silicagavetheoptimumpropertiesclosesttotheoriginallyused.

简介：Anewmethodofpreparationofirradiativematerialbyusingrareearthasluminophorandinorganicpowderasbasenucleuswaspresented.Rareearthwasusedtomakecolloid,whichwasmixedwithbasenucleussolution,wheredeposition/attachmentreactiontookplaceandrareearthwasadheredontothesurfaceofbasenucleus,henceyieldinganewrareearthencapsulatedirradiativematerial.Fluorescentspectrumanalysisshowsthatthismaterialpossessestwoemissionpeaks,onewithin400～500nmandtheotherwithin580～700nm,reflectingtheluminouscharacteristicsoforiginalrareearthmaterial.

简介：Basedonsoundabsorptionmechanismofmaterial,thespecialsoundabsorptionmaterialCEMCOMforroadsoundinsulationisintroduced.Thishighsoundabsorptionmaterialismainlycomposedofexpandedperlite.Usingmultiplesoundabsorptionstructurecanimprovesoundabsorptionpropertyofmaterial.Accordingtothepreparationprincipleanddurabilitydesignofmaterial,anewkindofmaterialwithlowcostandhighdurabilityisdeveloped.

简介：AbstractSince its outbreak, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has strongly influenced the life of the general public around the world. Based on its fast spread and high mortality, there is a need for novel therapeutic treatments to overcome this global health crisis. While medicinal chemistry is focused on the development of highly selective and affine inhibitors toward a specific target enzyme, material science is focused on the development of nanomaterials for selective drug delivery. Based on the individual strengths, these disciplines could synergistically act together and help overcome the limitations of the respective approach. Herein, the combination of medicinal chemistry with material science to overcome health problems with the example of SARS-CoV-2 is critically discussed.

简介：Theinvestigationwasperformedon4Mullets（27～49cmlongandweighing225～1500geach）ofbothsexesfromthewatersoffTianjin.Smallpiecesofthegillswereslicedandimmersionfixedinabuffermixtureof1.5%glutaraldehyde,1.5%paraformaldehydeand0.1mol/dm3phosphateforatleast24h.Afterfixationinphosphatebuffered1%O?O4at4℃for1h,thetissueswere

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简介：极其细小的苍蝇灰(UFFA)的效果，钢炉渣(SS)和包装二进制、第三、第四级的似水泥的材料的密度上的硅石烟(SF)以水泥的最小的水要求在这篇论文被学习。有低水/文件夹比率的粘贴的相对密度上的矿物质混合的影响被分析，在浆糊密度和相应的变硬的臼的压缩力量之间的关系被讨论。结果显示矿物质混合的加入能有效地改进似水泥的材料的收拾行李的密度；包装密度的增加一与二的加入或三种矿物质混合合成与一仅仅矿物质混合是比那甚至更明显的。而且，矿物质混合的最佳的数量给予到包装密度的混合最大值。矿物质混合的稠密的收拾行李效果能增加结果的收拾行李的密度似水泥的材料并且另外密度与低水/文件夹比率粘贴，它显然提高变硬的臼的压缩力量。

简介：Polymercoatedquartzcrystalmicrobalance(QCM)sensorbasedonthefrequencyshiftsduetotheadsorptionofcompoundsatthesurfaceofmodifiedquartzcrystalelectrodeisaneffectivemethodfordetectionofsarin(GB)whichisahighlytoxicnervewarfareagent.Anewfluorosiloxanepolymerhasbeensynthesizedthrough6stepsfromtrifluoromethylbenzene.Thesynthesiswasachievedfromtrifluoromethylbenzenethroughnitration,hydrogenation.Theobtainedm-nitrotrifluoromethylanilinewastreatedwithNaNO2,andthenhydrolyzedtom-nitrotrifluoromethylphenol.m-nitrotrifluoromethylphenolwasreactedwithallylbromidetotheetherproduct.TheproductwasrearrangedbyClaisenrearrangement,andthenreactedwithpolymethylhydrosiloxaneundercatalystofPt/DVTMS.Thefluorosiloxanepolymercanbeobtained.ThepolymerhasbeensuccessfullyusedasQCMcoatingmaterial.

简介：金属橡胶材料的健全吸收表演理论上并且试验性地被学习。声学的阻抗率和健全吸收系数基于金属橡胶材料的声学的参数被导出。结构常数，压缩的可能性模量和结构的参数的关系试验性地被调查。结果证明有一样的吝啬的孔直径的金属橡胶的标本有一样的结构常数。为一样的结构的参数，金属橡胶材料的压缩的可能性模量在某些频率范围是近似不变的。计算声学的参数在对试验性的结果的好同意，表明理论模型的有效性。

简介：Akindofdryrefractorysealingmaterialhasbeendevelopedtorepairthefinecracksincokeovenchamber.Withsilicasandasthemainrawmaterial,thesealingmaterialisblownintocokeovenchamberbycompressedairwhilebeingapplied,andbondedtobricksurfaceorfilledinfinecracksofchamberunderrightpressure.Thephysicalpropertiesofthematerialaresimilartothoseofsilicabricksduringitsapplication.Soitcanbeadaptedtoconditionsofcokeovenandhasgoodservicelife.Thestudyandapplicationresultsofthesealingmaterialaredescribedinthispaper.

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