搜索结果: 1-11 共查到“化学 cation”相关记录11条 . 查询时间(0.093 秒)
Charge Delocalization in the Special-Pair Radical Cation of Mutant Reaction Centers of Rhodobacter Sphaeroides from Stark Spectra and Nonadiabatic Spectral Simulations
Rhodobacter sphaeroides Cations Spectrophotometry Spectroscopy, Fourier Transform Infrared Mutagenesis,Site-Directed Absorption Dimerization Oxidation-Reduction Mutation Electrochemistry
font style='font-size:12px;'>
2016/5/24
Stark and absorption spectra for the hole-transfer band of the bacteriochlorophyll special pair in the wild-type and L131LH, M160LH, and L131LH/M160LH mutants of the bacterial reaction center of Rhodo...
Intervalence Band Stark Effect of the Special Pair Radical Cation in Bacterial Photosynthetic Reaction Centers
alloys low index single crystal surfaces low energy electron diffraction (LEED) scanning tunneling microscopy X-ray standing waves surface relaxation and reconstruction tin copper
font style='font-size:12px;'>
2016/5/24
The Stark spectrum of the intervalence band of the special pair radical cation in bacterial photosynthetic reaction centers is presented. This spectrum, centered at 2600 cm-1, is modeled using a gener...
Assessment of density functional approximations for the hemibonded structure of water dimer radical cation
Assessment of density functional approximations hemibonded structure water dimer radical cation Chemical Physics
font style='font-size:12px;'>
2012/4/20
Due to the severe self-interaction errors associated with some density functional approximations, conventional density functionals often fail to dissociate the hemibonded structure of water dimer radi...
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 ...
Simultaneous Determinations of Cr(VI) and Cr(III) by Ion-Exclusion/Cation-Exchange Chromatography with an Unmodified Silica-Gel Column
Cr(VI) Cr(III) Ion-Exclusion/Cation-Exchange Chromatography an Unmodified Silica-Gel Column
font style='font-size:12px;'>
2010/9/19
In order to characterize the ion-exclusion and cation-exchange properties of an unmodified silica-gel column, the retention behaviors of Cr(VI) and Cr(III) ions were investigated using a Develosil 30-...
Sequential Injection-Cation Exchange Micro-column System for Hemoglobin Typing to Differentiate HbE Carriers
Sequential Injection-Cation Exchange Micro-column System Hemoglobin Typing HbE Carriers
font style='font-size:12px;'>
2010/9/19
A weak cation exchange micro-column was incorporated into a sequential injection (SI) system to perform automatic hemoglobin (Hb) typing as an alternative way to measure HbE. Separation of HbF, HbA an...
Investigation of the Cation Complexation by Macrocyclic Ethers using 13C NMR Spin--Lattice Dipolar Relaxation Time Measurements
Investigation the Cation Complexation Macrocyclic Ethers using 13C NMR Spin--Lattice Dipolar Relaxation
font style='font-size:12px;'>
2010/4/19
The binding constants (Ka) of [18]crown-6 ether with Na+ , K+, and Ba2+ thiocyanates were determined by 13C{1H} NMR spin--lattice dipolar relaxation time measurements. The observed relaxation times (T...
Glycine Transport through a Charged Polysulfone Cation Exchange Membrane
amino acid transport charged membranes permeability glycine
font style='font-size:12px;'>
2010/4/22
The transport of glycine through a charged polysulfone cation exchange membrane was studied as a function of pH at different initial conditions of less than pH 5.9 and the glycine permeability was exp...
The Sorption of Metals on the Polysulfone Cation Exchange Membranes
Sorption charged membranes permselectivity ion-exchange isotherm
font style='font-size:12px;'>
2010/6/27
The sorption of NaCl and CaCl2 and monovalent-divalent cation salt mixtures on the polysulfone and polysulfone with polyester support cation exchange membranes were investigated. The sorption of monov...
Solvent Extraction of Fe3+ Cation by Diazo-Coupling Calix[4]arenes
Solvent Extraction Fe3+ Cation Diazo-Coupling Calix[4]arenes
font style='font-size:12px;'>
2010/6/28
The solvent extraction of Fe3+ cations from the aqueous to the organic (chloroform) phase was carried out using p-tert-butyl calix[4]arene(\underline{1}), calix[4]arene(\underline{2}), diazo-coupling ...
Synthesis of the New Cation Exchange Resins Having Poly (Styrene-Caprolactone) Units
Synthesis of the New Cation Exchange Styrene-Caprolactone Units
font style='font-size:12px;'>
2010/8/15
The crosslinked polystyrene-polycaprolactone , PS-PCL-, block copolymers were prepared by the copolymerization of styrene and poly(caprolacton dimethylmethacrylate) (PCL-DM). The molecular weights of ...