搜索结果: 1-15 共查到“化学 Zinc”相关记录17条 . 查询时间(0.093 秒)
The Factors on Removal of Zinc Cation from Aqueous Solution by Bentonite
Bentonite Zn2+ Adsorption
font style='font-size:12px;'>
2013/3/8
The removing zinc cation from aqueous solution by Ca-bentonite and Na-exchanged bentonite was studied. The factors such as the initial concentration of Zn2+, the liquid-to-solid ratio, pH, adsorption ...
Synthesis and characterization of gold nanoparticles supported on zinc oxide via the deposition-precipitation method
Au nanoparticles ZnO nanorods deposition-precipitation
font style='font-size:12px;'>
2010/10/19
Gold nanoparticles supported on zinc oxide nanoparticles were synthesized at several pH levels via the deposition-precipitation (DP) method. The effects of pH on gold loading, particle size, and parti...
Solid Phase Extraction of Cadmium in Edible Oils Using Zinc Piperazinedithiocarbamate and Its Determination by Flame Atomic Absorption Spectrometry
Solid Phase Extraction Edible Oils Using Zinc Piperazinedithiocarbamate Its Determination
font style='font-size:12px;'>
2010/4/16
A method was developed for preconcentration of cadmium with zinc-piperazinedithiocarbamate (ZnPDC) in edible oils and its determination by flame atomic absorption spectrometer (FAAS). The preconcentra...
Orthogonal Signal Correction -- Partial Least Squares Method for Simultaneous Spectrophotometric Determination of Nickel, Cobalt, and Zinc
Nickel cobalt zinc determination spectrophotometric PLS OSC
font style='font-size:12px;'>
2010/4/16
The simultaneous determination of nickel, cobalt, and zinc mixtures by spectrophotometric method is a difficult problem in analytical chemistry, due to spectral interferences. By multivariate calibrat...
Zinc Perchlorate Hexahydrate Catalyzed Mono- and Bis-Transesterification of Malonic Esters
Transesterification zinc perchlorate malonic esters mono-substituted malonic esters unsymmetrical malonic esters
font style='font-size:12px;'>
2010/4/16
Commercially available zinc perchlorate hexahydrate [Zn(ClO4)2.6H2O] was found to be a highly effective catalyst for the transesterification of malonic esters with alcohols. The treatment of methyl-, ...
Shape controlled synthesis and growth mechanism of one-dimensional zinc oxide nanomaterials
font style='font-size:12px;'>
2007/7/28
期刊信息
篇名
Shape controlled synthesis and growth mechanism of one-dimensional zinc oxide nanomaterials
语种
英文
撰写或编译
作者
Yue Zhang,Ying Dai,Yunhua Huang,Cheng Zhou
第一作者单位
刊物名称
J. of Univ. of Sci. & Technol....
二(2-苯基-8-羟基喹啉)锌及其衍生物的电子光谱性质的含时密度泛函理论研究（TD-DFT Study on Electronic Spectrum Properties of Bis(2-phenyl-8-hydroxyquinolato)zinc and Its Derivatives）
8-羟基喹啉锌衍生物 电子光谱 激发态 含时密度泛函理论
font style='font-size:12px;'>
2010/8/24
采用从头算(ab initio)和密度泛函理论(DFT B3LYP)方法。对二(2-苯基-8-羟基喹啉)锌(Zn(qPh)2)及其衍生物的基态结构进行优化，同时用ab initio HF单激发组态相互作用(CIS)法在6-31G基组上优化其最低激发单重态几何结构，用含时密度泛函理论(TD-DFT/B3LYP)及6-31G基组计算吸收和发射光谱。计算表明，该类物质电子在基态与激发态间的跃迁，主要是电...
Attempted Synthesis of 1-Cyclohepta-1,2-dien-1-ylbenzene and Wurtz-Like Condensation Products in the Reaction of 1-(2,3-Dibromocyclohept-1-en-1-yl)benzene with Zinc
Substituted strained cyclic allene dehydrobomination Wurtz-like condensation zinc
font style='font-size:12px;'>
2010/4/19
7,7-Dibromo-1-phenylbicyclo[4.1.0]heptane 4 was synthesized and its thermal and silver ion-catalyzed rearrangements were studied. Alcohol 8 was converted to 1-(2,3-dibromocyclohept-1-en-1-yl)benzene 6...
Miscibility of Methylmethacrylate-co-methacrylic Acid Polymer with Magnesium, Zinc, and Manganese Sulfonated Polystyrene Ionomers
Methylmethacrylate-methacrylic acid polymer sulfonated polystyrene ionomers viscometry compatibility
font style='font-size:12px;'>
2010/4/20
The miscibility of methyl methacrylate-co-methacrylic acid polymer (MMA-MAA) with metal neutralized sulfonated polystyrene ionomers was investigated by viscometry, differential scanning calorimetry (D...
Determination of Cadmium, Copper, Iron, Manganese, Lead and Zinc in Lichens and Botanic Samples by Electrothermal and Flame Atomic Absorption Spectrometry
Lichen ETAAS Ni + Pd + TA Copper Iron
font style='font-size:12px;'>
2010/4/20
Within the framework of the International Atomic Energy Agency (IAEA) Analytical Quality Control Service (AQCS) Chemistry Unit a research program was initiated for the identification of trace elements...
Simultaneous Determination of Copper, Zinc and Selenium in Chicken Liver by Differential Pulse
Chicken liver determination copper selenium zinc differential pulse polarography
font style='font-size:12px;'>
2010/4/21
A differential pulse polarographic method for the determination of copper, zinc and selenium in chicken liver is described. It was possible to determine these elements in a single sample solution afte...
Inhibition Studies of a Few Organic Compounds and Their Condensation Products on the Corrosion of Zinc in Hydrochloric Acid Medium
Organic Compounds Condensation Products Zinc
font style='font-size:12px;'>
2010/4/21
The corrosive behavior of zinc in HCl solution containing various concentrations of glutaraldehyde GTD, glycine GLN, methionine MTN, and their condensation products formed between GTD + GLN (CP1) and ...
Electrodeposition of Zinc from Chloride Solution
Electrodeposition Zinc from Chloride Solution
font style='font-size:12px;'>
2010/4/22
The electroplating of zinc is carried out in the presence of 3,4,5-Trimethoxy benzaldehyde from a chloride bath. The bath constituents are optimized through Hull cell experiments. Operating parameters...
Determination of Zinc in Aerosol Samples by Discrete Nebulization Flame Atomic Absorption Spectrometry
iron minerals trace elements lead cobalt nickel chromium zinc manganese determination atomic absorption spectrometry
font style='font-size:12px;'>
2010/4/22
Determination of Zinc in Aerosol Samples by Discrete Nebulization Flame Atomic Absorption Spectrometry.
Synthesis and characterization of copper(II), nickel(II), cadmium(II), cobalt(II) and zinc(II) complexes with 2-Benzoyl-3-hydroxy-1-naphthylamino-3-phenyl-2-propen-1-on
copper(II) nickel(II) cadmium(II) cobalt(II) zinc(II) 2-Benzoyl-3-hydroxy-1-naphthylamino-3-phenyl-2-propen-1-on
font style='font-size:12px;'>
2010/6/27
Cu(II), Ni(II), Co(II), Zn(II) and Cd(II) complexes of 2-Benzoyl-3-hydroxy-1-naphthylamino-3-phenyl-2-propen-1-on, which is a derivative of carboxamide, were prepared and characterized by elemental, ...