搜索结果: 1-11 共查到“地质学 Ce”相关记录11条 . 查询时间(0.125 秒)
POTENTIAL GEOLOGICAL SIGNIFICATIONS OF CRISIUM BASIN REVEALED BY CE-2 CELMS DATA
Mare Crisium Microwave thermal emission Geological significance CELMS data Cold anomaly Basaltic volcanism
2018/5/15
Mare Crisium is one of the most prominent multi-ring basins on the nearside of the Moon. In this study, the regolith thermophysical features of Mare Crisium are studied with the CELMS data from CE-2 s...
Preparation and Catalytic Performance of Ce-Y-Palygorskite Catalysts for NO Decomposition
Catalyst Preparation Catalytic Performance NO Palygorskite
2011/11/14
Ce-Y-palygorskite catalysts were prepared by chemical blending method. The effect of preparation conditions on catalytic performance of Ce-Y-palygorskite catalyst for NO decomposition was investigated...
（Sm，Ce）/Zr基柱撑蒙脱石的微结构特征
（Sm,Ce）/Zr基柱化剂 柱撑蒙脱石 微结构特征 FTIR分析
2012/2/16
室温条件下，在锆基的基础上加入其他金属离子配制了(Sm，Ce)／Zr基柱化剂。用该聚合阳离子柱撑钙基蒙脱石，室温下d001值为2．1～2．3m，焙烧300℃后，d001值为1．8nm，衍射峰敏锐对称，说明柱撑蒙脱石的热稳定性超过300℃。FTIR分析结果表明(Sm，Ce)／Zr基柱化剂和蒙脱石的Si—O四面体层形成了稳定的[Si—O]—[H(O)-Zr(Sm，Ce)]键，从结构上鳃释了(Sm，Ce...
Notes on ephesite,terskite,Na-komarovite,ceriopyrochlore-(Ce),joaquinite-(Ce) and other minerals from the Ilimaussaq alkaline complex,South Greenland
agpaite ephesite Ilimaussaq Na-komarovite nepheline syenites terskite
2011/11/8
Notes on ephesite,terskite,Na-komarovite,ceriopyrochlore-(Ce),joaquinite-(Ce) and other minerals from the Ilimaussaq alkaline complex,South Greenland.
Enhanced Thermal Stability of Al-Pillared Smectites Modified with Ce and La
Bentonite Ce La Pillared Clays
2011/12/6
Abstract: A commercial bentonite (primarily smectite) from Fischer Scientific Company (F bentonite) and a natural bentonite from Peru (P bentonite) were used in the preparation of pillared clays with ...
The chemical composition of REE-Y-Th-U-rich accessory minerals in peraluminous granites of the Erzgebirge-Fichtelgebirge region, Germany, Part I: The monazite-(Ce)-brabantite solid solution series
chemical composition REE-Y-Th-U-rich accessory minerals peraluminous granites Erzgebirge-Fichtelgebirge region monazite-(Ce)-brabantite solid solution series
2012/3/31
eraluminous granites of the Erzgebirge-Fichtelgebirge, Germany, are hosts of various members of the monazite group of minerals that display an unprecedented compositional diversity. The Eibenstock S-t...
Cordylite-(Ce): A crystal chemical investigation of material from four localities, including type material
Cordylite-(Ce) crystal chemical investigation material type material
2012/3/31
Six cordylites from the four known localities [Narssarssuk (Greenland), Mont St. Hilaire(Canada), Bayan Obo (China), and Kola Peninsula (Russia)] were investigated by electron microprobe and X-ray sin...
Lukechangite-(Ce), a new rare-earth-fluorocarbonate mineral from Mont Saint-Hilaire, Quebec
Lukechangite new rare-earth-fluorocarbonate mineral Mont Saint-Hilaire Quebec
2012/4/6
Lukechangite-(Ce),ideallyNa Ce (CO ) F,isanewmineralfromMontSaint-Hilaire,Quebec.Itoccursastabular,shortprismatic,andbarrel-shapedcrystalsupto1mm.Itis
colorlesstopalebeigewithawhitestreakandavitreous...
Preparation, Structural Characteristics and Catalytic Properties of Large-Pore Rare Earth Element (Ce, La)/Al-Pillared Smectites
Al13 Bentonite Hydroconversion Hydrocracking Laponite Montmorillonite Pillared Clays REE Saponite
2011/12/27
Ce/Al- and La/Al-pillared smectites were prepared by cation exchange of bentonite, saponite and laponite with hydrothermally treated (130–160 °C for 16–136 h) solutions containing mixtures of aluminum...
Acidity of Montmorillonite-(Ce or Zr) Phosphate Cross-linked Compounds
Layered phosphates Montmorillonite Surface acidity
2011/12/28
The nature and number of acid sites per unit weight on a series of materials obtained by interaction of a montmorillonite with zirconium or cerium hydrogenphosphates precipitated in situ by reaction b...
Cross-linked Smectites. IV. Preparation and Properties of Hydroxyaluminum-Pillared Ce- and La-Montmorillonites and Fluorinated NH4+-Montmorillonites
Cross-linked smectite Hydroxy-Al Montmorillonite Pillared interlayered clays Pore-size distribution Rare earth elements
2012/1/13
Reaction of hydroxy-Al oligocations with Ce3+- and La3+-exchanged montmorillonites, using 1.25, 1.60, or 2.0 mmole Al/g smectite, yielded partially pillared hydroxy-Al montmorillonite products contain...