简介：ACupro-8-thioquinolinecoordinationpolymer,[Cu^I(C9H6NS)]n,wassynthesizedbymethano-thermalreactionofCuCland8,8′-dithiodiquinoline(dtdq)inamolarratioof2:1at160℃for7d.X-Raysinglecrystalstructuredeterminationrevealedtheformationofaone-dimensionalstructurebelongingtomonocliniccrystalsystem,spacegroupP21/cwithcellparametersa=0.8043(1)nm,b=1.8949(3)nm,c=1.1048(1)nm,β=110.109(4)°,V=1.5810(4)nm^3andZ=4,Thecrystalwasfoundtobestableuptoapproximately300℃bythermalanalysisandhaveanenergygap(Eg)of2.0eVexhibitedbyUV-Vis-NIRreflectancespectrum.
简介：本文就n-C4H9-Br制备实验的反应过程以及分别用KBr和NaBr制备n-C4H9-Br时出现的不同实验现象和结果进行了探讨。提出KBr的溶解速率比NaBr的溶解速率小是产生不同实验现象和结果的原因，并通过用块状NaBr进行对比实验得到验证。用块状的NaBr有利于提高n-C4H9-Br的产率。
简介：ThehydrolysisofcephanoneinTritonX-100micelleandTritonX-100/n-C5H11OH/H2O(O/W)microemulsionwerestudiedbymeansofUV-Visabsorptionspectroscopy.Theresultsshowthatcomparedwithwater,TritonX-100micelleandTritonX-100/n-C5H11OH/H2O(O/W)microemulsioncaninhibitthehydrolysisofcephanone.TheinhibitioneffectsofTritonX-100micelleandTritonX-100/n-C5H11OH/H2O(O/W)microemulsiononthehydrolysisofcephanonearerelatedtothelocationofcephanoneintheinterphasesofTritonX-100micellesandTritonX-100/n-C5H11OH/H2O(O/W)microemulsiondroplets.
简介：Arylhalidesareakindofextremelyvaluablecompoundsusedintransition-metal-catalyzedcouplingreactions,aswellasimportantstructuremotifsinmanynaturalproductsandmanufactureddrugs[1,2].Theclassicalapproachforpreparationofhaloarenesiselectrophilicaromaticsubstitution(EAS)usingvarioushalogenatingreagentsoroxidativehalogenationswithhalogenatingreagentgeneratedinsitufromhalidesandoxidants,suchasperoxide,oxygenandmeta-cholorperoxybenzoicacid(mCPBA)[3,4].However,harshreactionconditionsarerequiredforhalogenationoflessactivearomatics.orthoMetalationfollowedbyhalogenquenchingisanotherapproachforhalogenationofaromatics[5].However,thereareobviousdrawbacksforthesemethods,suchaslowregioselectivity,harshconditionsandevendangerousprocedures.Therefore,thedevelopmentofanalternativeandpracticalwayremainschallengeinorganicsynthesis.
简介：合成了一个新的配合物,经元素分析及X-射线衍射对其结构进行了表征.化合物晶体属单斜晶系,P2（1）/c空间群,晶胞参数：a=6.4824（13）,b=6.1325（12）,c=19.980（4）,α=90°,β=91.925（2）°,γ=90°,V=793.8（3）A3,M=245.05,Z=4,Dc=2.050Mg.m-3,F（000）=492,吸收系数μ=1.671mm-1,最终偏离因子R1=0.0263,wR2=0.0692.化合物的分子结构存在一维链状的结构,由于复杂氢键的存在,它的堆积结构呈二维网状排列,而且在[010]方向看到了纳米空洞.
简介：合成了一种未见报道的标题化合物（（C5N2H6）3（C5N2H7）3[（PO4）Mo12O36]·2H2O,Mr=2403.00）并得到单晶,晶体衍射实验发现其属于单斜晶系,P2（1）/n空间群,晶体学参数：a=13.316（3）,b=22.414（5）,c=20.063（4）,α=90.00（4）°,β=100.743（3）°,γ=90.00°,V=5883（2）3,Z=4,Dc=2.713Mg/m3,μ（MoKα）=2.608mm-1,F000=4604,最终R=0.0596,wR=0.1345,GoF=1.042.配体由由簇阴离子[（PO4）Mo12O36]3-之间通过端基氧与2-氨基吡啶形成氢键而相互连接,中间填充了一些水分子及2-氨基吡啶.
简介：Anenvironmentallyfriendlyprecursor,adenosine,hasbeenusedasadualsourceofCandNtosynthesizenitrogen-dopedcarboncatalystwith/withoutFe.Ahydrothermalcarbonizationmethodhasbeenusedandwateristhecarbonizationmedia.Themorphologyofsampleswith/withoutFecomponenthasbeencomparedbyHRTEM,andtheresultshowsthatFecanpromotethegraphitizationofcarbon.Furtherelectro-chemicaltestshowsthattheoxygenreductionreaction(ORR)catalyticactivityofFe-containingsample(C–FeN)ismuchhigherthanthatoftheFe-freesample(C–N).Additionally,theintermediatesofC–FeNformedduringeachsyntheticprocedurehavebeenthoroughlycharacterizedbymultiplemethods,andthefunctionofeachprocedurehasbeendiscussed.TheC–FeNsampleexhibitshighelectro-catalyticstabilityandsuperiorelectro-catalyticactivitytowardORRinalkalinemedia,withitshalf-wavepotential20mVlowerthanthatofcommercialPt/C(40wt%).Itisfurtherincorporatedintoalkalinepolymerelectrolytefuelcell(APEFC)asthecathodematerialandledtoapowerdensityof100mW/cm~2.
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![Synthesis,Structure and Optical Properties of Cupro-8-thioquinoline Coordination Polymer,[Cu^<b style='color:red'>I</b>(<b style='color:red'>C</b>9<b style='color:red'>H</b>6NS)]<b style='color:red'>n</b>](/image/thesis1 "Synthesis,Structure and Optical Properties of Cupro-8-thioquinoline Coordination Polymer,[Cu^<b style='color:red'>I</b>(<b style='color:red'>C</b>9<b style='color:red'>H</b>6NS)]<b style='color:red'>n</b>")
![Crystal Structure and Bioactivity of Complex [Gd（<b style='color:red'>C</b>10<b style='color:red'>H</b>9<b style='color:red'>N</b>2O4）（<b style='color:red'>C</b>10<b style='color:red'>H</b>8<b style='color:red'>N</b>2O4）（<b style='color:red'>H</b>2O）3]2·phen·4<b style='color:red'>H</b>2O](/image/thesis4 "Crystal Structure and Bioactivity of Complex [Gd（<b style='color:red'>C</b>10<b style='color:red'>H</b>9<b style='color:red'>N</b>2O4）（<b style='color:red'>C</b>10<b style='color:red'>H</b>8<b style='color:red'>N</b>2O4）（<b style='color:red'>H</b>2O）3]2·phen·4<b style='color:red'>H</b>2O")
![lim <b style='color:red'>n</b>→∞ sum <b style='color:red'>n</b>∑<b style='color:red'>i</b>=1 <b style='color:red'>n</b>^kf[<b style='color:red'>i</b>^q/<b style='color:red'>n</b>^p]型极限的计算公式及其应用](/image/thesis7 "lim <b style='color:red'>n</b>→∞ sum <b style='color:red'>n</b>∑<b style='color:red'>i</b>=1 <b style='color:red'>n</b>^kf[<b style='color:red'>i</b>^q/<b style='color:red'>n</b>^p]型极限的计算公式及其应用")
![配合物[Mn（<b style='color:red'>C</b>_5<b style='color:red'>H</b>_2<b style='color:red'>N</b>_2O_6）·2<b style='color:red'>H</b>_2O]_<b style='color:red'>n</b>的合成、晶体结构及光谱性质](/image/thesis10 "配合物[Mn（<b style='color:red'>C</b>_5<b style='color:red'>H</b>_2<b style='color:red'>N</b>_2O_6）·2<b style='color:red'>H</b>_2O]_<b style='color:red'>n</b>的合成、晶体结构及光谱性质")
![<b style='color:red'>N</b>（t）=<b style='color:red'>N</b>（t）[a（t）-∑<b style='color:red'>n</b> <b style='color:red'>i</b>=1bi（t）Ni（t-τ<b style='color:red'>i</b>（t））]的周期正解](/image/thesis12 "<b style='color:red'>N</b>（t）=<b style='color:red'>N</b>（t）[a（t）-∑<b style='color:red'>n</b> <b style='color:red'>i</b>=1bi（t）Ni（t-τ<b style='color:red'>i</b>（t））]的周期正解")
![新型杂多酸（<b style='color:red'>C</b>5<b style='color:red'>N</b>2<b style='color:red'>H</b>6）3（<b style='color:red'>C</b>5<b style='color:red'>N</b>2<b style='color:red'>H</b>7）3[（PO4）Mo12O36]·2<b style='color:red'>H</b>2O的水热合成与晶体结构](/image/thesis14 "新型杂多酸（<b style='color:red'>C</b>5<b style='color:red'>N</b>2<b style='color:red'>H</b>6）3（<b style='color:red'>C</b>5<b style='color:red'>N</b>2<b style='color:red'>H</b>7）3[（PO4）Mo12O36]·2<b style='color:red'>H</b>2O的水热合成与晶体结构")
