搜索结果: 1-15 共查到“凹凸棒石 Ni”相关记录18条 . 查询时间(0.328 秒)
Study of Catalytic Hydrolysis of Alkaline NaBH4 Solution by Ru/Ni Foam Catalyst
Catalyst Chemical Hydride Hydrogen Generation Sodium Borohydride
2011/11/22
A Ni metal form was used to carry the Ru catalyst to induce the hydrogen gas from the NaBH4 solution. Results show the Ni material was replaced by Ru material. Ru has been coating twice or more to cov...
The Effect of Laser Processed Nano-SiC-Ni Metal Ceramic on the Surface Properties of the Iron-Based Material
Appraisal System Grey Relation Evaluation Theory Laser Alloying Metal-Ceramic Silicon Carbide (SiC)
2011/11/22
In this article, we have carried out the Ni based self fluxing alloy powder and studied the effect on the laser alloying of 45steel layer which contains different weight percentage of nano-SiC powders...
Study on Adsorption Characteristics of Ni (II) by Palygorskite
Adsorption Nickel (II) Ion Palygorskite
2011/11/14
Adsorption characteristics of Ni (II) by Palygorskite were investigated using a batch adsorption, and the effects of various experimental parameters were discussed. Results showed that the adsorption ...
以Y型分子筛为载体，采用液相离子交换法制备Ni-Y分子筛吸附剂。采用电感耦合等离子体发射光谱（ICP）、低温液氮吸附法、X射线衍射（XRD）等手段对Ni-Y分子筛进行表征，使用静态吸附方法考察吸附条件对分子筛吸附燃料油中二苯并噻吩性能的影响，并使用Langmuir-Freundlich（L-F）方程对分子筛的吸附等温线进行拟合。结果表明，Ni2+离子的改性对分子筛的孔道结构影响不显著。吸附过程中，...
Structural Chemistry of Fe, Mn, and Ni in Synthetic Hematites as Determined by Extended X-Ray Absorption Fine Structure Spectroscopy
EXAFS Fe Oxides Hematite Metal Substitution Trace Elements XAS XRD
2011/12/6
Abstract: The incorporation of transition metals into hematite may limit the aqueous concentration and bioavailabity of several important nutrients and toxic heavy metals. Before predicting how hemati...
Systematics of Ni and Co in olivine from planetary melt systems: Lunar mare basalts
planetary melt systems:Luna rmare basalts Co Ni
2012/3/31
ThesystematicsofCoandNiinolivinefromsixApollo12olivinebasaltswerestudied
bySIMStechniquesandcorrelatedwithmajorandminorelementdataobtainedwiththe
electronmicroprobe.Ourresults,togetherwithpreviousst...
Reaction between magnesiowüstite of lower mantle composition and core-forming Fe-Ni alloy at 1-40 Gpa
Reaction magnesiowüstite lower mantle composition core-forming Fe-Ni alloy 1-40 Gpa
2012/4/5
OneclassofmodelsfortheearlyhistoryoftheEarthrequiresthepresent-dayinventory
ofsiderophileelementsinthemantletohavebeenestablishedbyequilibriumpartitioning
betweencore-formingmetalandmantlemineralsat...
Bottinoite, Ni(H2O)6[Sb(OH)6]2: Crystal structure, twinning, and hydrogen-bond model
Bottinoite Ni(H2O)6[Sb(OH)6]2 Crystal structure twinning hydrogen-bond model
2012/4/9
The crystal structure ofbottinoite, Ni(H20MSb(OH)6L, wasdetermined from a twinned crystal. This study revealed that the strong 31m pseudosymmetry shown by allthe natural and synthetic crystals examine...
An imaging-plate detector interfaced to a large-volume high-pressure device allows quantitative in situ powder X-ray diffraction measurements at the National Synchrotron Light Source (NSLS). High-qual...
Structure and crystal field spectra of Co3Al2(SiO4)3 and (Mg, Ni)3Al2(SiO4)3 garnet
Structure crystal field spectra Co3Al2(SiO4)3 (Mg, Ni)3Al2(SiO4)3 garnet
2012/4/5
Synthetic C03A12(Si04)3garnet and (Mg,Ni)3A12(Si04)3 garnet with Ni/(Ni + Mg)= 0.15-0.18 have been studied by single-crystal X-ray diffraction and optical spectroscopy. The X-ray data confirm that COH...
Domain Segregation in Ni-Fe-Mg-Smectites
Chemical composition Laterite Mossbauer spectroscopy Nickel Nontronite Pimelite Smectite Transmission electron microscopy
2011/11/25
Abstract: The first stage of lateritic weathering of pyroxenes in the Niquelandia area, Brazil, leads either to Fe-rich products or to a phyllosilicate clay. In relatively unfractured parent rock the ...
Co, Cu, Ni, and Ca Sorption by a Mixed Suspension of Smectite and Hydrous Manganese Dioxide
Adsorption Analytical transmission electron microscopy Birnessite Cation exchange Manganese oxide Montmorillonite Transition metals
2012/1/13
The sorption properties of Co, Cu, Ni, and Ca were studied in a mixed mineral suspension of synthetic MnO2 and Wyoming montmorillonite. The distribution of the sorbed cations between the two solid pha...
Infrared Studies of Ni-Bearing Clay Minerals of the Kerolite-Pimelite Series
Dehydroxylation Garnierite Infrared spectroscopy Kerolite Nickel Pimelite
2012/2/6
Two kerolite and one garnierite samples were subjected to progressive heat treatments prior to their examination by infrared spectroscopy (IR) in the 1200–600-cm−1 and 3800–3000-cm−1 regio...
Complexes of Diethylenetriamine (DIEN) and Tetraethylenepentamine (Tetren) with Cu (II) and Ni (II) on Hectorite
Amines Complexes Hectorite Spectroscopy Thermal Stability Transition Metals
2012/2/10
The nature of the complexes in aqueous solutions of Cu(II) and Ni(II) with diethylenetriamine (dien) and tetraethylenepentamine tetren) is pH-dependent. At M(II):dien = 2 and M(II):tetren = 1, the mai...
A Study of the Adsorption of Ni(II) and Cu(II) by Clay Minerals
Adsorption Ni(II) Cu(II) Clay Minerals clay minerals kaolinite
2012/2/13
The adsorption of Ni(II) and Cu(II) on to the clay minerals kaolinite, chlorite, and illite has been investigated. The quantity of Ni(II) at pH 6 and Cu(II) at pH 5 adsorbed has been found to vary in ...