Browsing 化学化工－已发表论文 by Title
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m-chloroaniline emulsion polymerization, macromolecular chain structure and electrochemical properties
(JOHN WILEY & SONS LTD, 2002-04-25)Poly(m-chloroaniline) (PmClAn) was synthesized by emulsion polymerization. The influences of reaction temperature and initiator concentration on polymerizations were studied. It was found that PmClAn with number-average ... -
m-Metallaphenol: Synthesis and Reactivity Studies
(WILEY-V C H VERLAG GMBH, 2014-04-07)Treatment of the osmium complex [Os{CHC-(PPh3)CH(OH)-(2)-CCH}(PPh3)(2)(NCS)(2)] (1) with excess triethylamine produces the first m-metallaphenol complex [Os{CHC(PPh3)CHC(OH)CH}(PPh3)(2)(NCS)(2)] (2). The NMR spectroscopic ... -
Magnesia-carbon nanotubes (MgO-CNTs) nanocomposite: novel support of Ru catalyst for the generation of COx-free hydrogen from ammonia
(CATAL LETT, 2004-07)Magnesia - carbon nanotubes (abbreviated as MgO - CNTs) nanocomposites were prepared by impregnation of CNTs with Mg(NO3)(2) .6H(2)O in ethanol solution, followed by drying at 353 K and calcination at 873 K, respectively. ... -
Magnesia-supported gold nanoparticles as efficient catalysts for oxidative esterification of aldehydes or alcohols with methanol to methyl esters
(ELSEVIER SCIENCE BV, 2014 Septe)Magnesia-supported gold nanoparticles were found to be highly efficient catalysts for the oxidative esterification of methacrolein (MAL) with methanol in the presence of molecular oxygen into methyl methacrylate (MMA) under ... -
Magnesium nickel mixed oxides prepared from thermal decomposition of citratonickel (II) precusor
(CHINESE CHEMICAL SOCIETY, 2001)Nickel-based oxides are catalysts used in the partial oxidation, carbon dioxide reforming of methane and fabrication of carbon nanotubes by thermal decomposition of methane. Complexes Mg-2 [Ni(Hcit)(2)] (.) 10H(2)O and ... -
Magnetic and photo-magnetic properties of Co dinuclear complexes
(ELSEVIER SCIENCE SA, 2008-03)The magnetic and photo-magnetic properties of Co dinuclear compounds were studied. The Co compounds, [{Co(tpa)}(2)(dhbq)](BF4)(3) center dot 2H(2)O and [{Co(tpa)}(2)(dhbq)](ClO4)(3) center dot 2H(2)O, have the structure ... -
Magnetic and thermal properties of three ionothermally synthesized metal-carboxylate frameworks of [M(3)(ip)(4)][EMIm](2) (M = Co, Ni, Mn, H(2)ip = isophthalic acid, EMIm=1-ethyl-3-methyl imidazolium)
(ROYAL SOC CHEMISTRY, 2011-09-06)Three metal-organic frameworks, [M(3)(ip)(4)][EMIm](2) (M = Co 1, Ni 2, Mn 3, H(2)ip = isophthalic acid, EMIm = 1-ethyl-3-methyl imidazolium) were prepared from an ionic liquid medium. All the compounds feature the same ... -
Magnetic Behavior Control in Niccolite Structural Metal Formate Frameworks NH2(CH3)(2) (FeMII)-M-III(HCOO)(6) (M = Fe, Mn, and Co) by Varying the Divalent Metal Ions
(2010-11-15)By changing template cation but introducing trivalent iron ions in the known niccolite structural metal formate frameworks, three complexes formulated [NH2(CH3)(2)][(FeMII)-M-III(HCOO)(6)] (M = Fe for 1, Mn for 2, and Co ... -
Magnetic field effects polarization-resonant synchronous fluorescence spectrometry for simultaneous analysis of polynuclear aromatic hydrocarbons in mixtures
(ELSEVIER SCIENCE BV, 1995)The level and undulation of scattered light can be effectively suppressed by magnetic field effects-polarization-resonant synchronous fluorescence spectrometry. The established technique was used for simultaneous determination ... -
Magnetic Nanosized {M-24(II)}-Wheel-Based (M = Co, Ni) Coordination Polymers
(AMER CHEMICAL SOC, 2012-06-04)Two 3D coordination polymers, [Co-24(OH)(12)(SO4)(12)(ip)(6)(DMSO)(18)(H2O)(6)]center dot(DMSO)(6)-(EtOH)(6)(H2O)(36) (1.guests, ip = isophthalate) and [Ni-24(OH)(12)(SO4)(12)(ip)(6)(DMSO)(12)(H2O)(12)]center dot(DMSO)(6 ... -
Magnetic Properties of CoPt Nanorods with Different Structures
(2010-12)We prepared two kinds of CoPt nanorods by galvanic displacement reaction and chemical reduction. One type was solid (CoPt-a) and the other was hollow (CoPt-b). Transmission electron microscopy (TEM) and energy-dispersive ... -
Magnetite-containing spherical silica nanoparticles for biocatalysis and bioseparations
(2004-03-01)The simultaneous entrapment of biological macromolecules and nanostructured silica-coated magnetite in solgel materials using a reverse-micelle technique leads to a bioactive, mechanically stable, nanometer-sized, and ... -
Magnetooptical Properties of Chiral [Co2Ln] Clusters.
(2019-12-20)Two pairs of enantiomeric 3d-4f metal clusters, [Co2Ln[( R )/( S )-L]4]·Cl5·(H2O)2·CH3OH·CH3CH2OH [ Co 2 Ln ; Ln = Gd ( 1S and 1R ), Dy ( 2S and 2R )], were synthesized by the reaction of chiral Schiff-base ligand ( R )/( ... -
Making Spin-Crossover Crystals by Successive Polymorphic Transformations
(AMER CHEMICAL SOC, 2010-12-07)The complex [Fe(tpa)(NCS)(2)] showed successive polymorphic transformations (polymorphs II-IV) that produced crystals with distinct changes in color, crystal structure, and spin-crossover behavior. -
MALDI-TOF-MS以及FT-ICR-MS在席夫碱镍配合物的应用
(2011)本研究对基质辅助激光解吸电离飞行时间质谱(MAldI-TOf-MS)的原理和应用做了简要介绍,并概括了常用基质的应用特点和适用范围。通过基质的选择及测试条件的优化,分别对3种席夫碱镍配合物进行质谱分析,实验结果表明,[M+H]+峰的分子质量以及同位素丰度都与理论计算值十分吻合。采用此法不仅能准确地测定席夫碱镍配合物的分子质量,为席夫碱镍配合物结构的鉴定奠定基础,也是金属有机化合物分子质量测定的有效方法,是快速分析金属有机化合物的工具之一 ... -
MALDI-TOF质谱技术研究铁蛋白蛋白壳表层的电荷分布
(2002-03-30)采用SephacrylS -300排阻层析和DEAE -纤维素层析技术分离纯化鱼工鱼肝铁蛋白 (LiverferritinofDasyatisAkajei,DALF)。纯化后的DALF经梯度聚丙烯酰胺凝胶再次分离后 ,显示出两条凝胶带 ,即单分子DALF和双聚态DALF。选用基质辅助激光解吸离子化飞行时间质谱技术 (MALDI -TOFMS)研究DALF的电荷分布时 ,发现DALF蛋白壳表层上显示出三种不同质荷比的分子离子峰 ... -
Mammalian cell-adhesion kinetics measured by suspension depletion
(ELSEVIER SCI LTD, 2013)Mammalian cell-adhesion kinetics is measured by counting the number of cells lost from suspension due to adhesion to planar or particulate substrata as a function of time rather than by the counting of adherent cells that ... -
Mammalian target of rapamycin regulates murine and human cell differentiation through STAT3/p63/Jagged/Notch cascade
(2010-01)The receptor tyrosine kinase/PI3K/AKT/mammalian target of rapamycin (RTK/PI3K/AKT/mTOR) pathway is frequently altered in cancer, but the underlying mechanism leading to tumorigenesis by activated mTOR remains less clear. ...