搜索结果: 1-15 共查到“地质学 TEM”相关记录20条 . 查询时间(0.062 秒)
期刊信息
篇名
Formation Mechanism of Ferromagnetic Minerals in Loess of China: TEM Investigation
语种
英文
撰写或编译
作者
Chen TH,Xu HF,Ji JF
第一作者单位
刊物名称
Chinese Science Bulletin
页面
2003,48(20): 2259-22
出版日期
2003年
月
...
大气降尘TEM观察及其环境矿物学意义
2007/7/28
期刊信息
篇名
大气降尘TEM观察及其环境矿物学意义
语种
中文
撰写或编译
作者
陈天虎,徐惠芳
第一作者单位
刊物名称
矿物岩石学杂志
页面
2003(4): 425-428
出版日期
2003年
月
日
文章标识(ISSN)
相关项目
凹凸棒石液相吸附性能、机理及与蒙脱石互相作用
两类榴辉岩的石榴石变形特征差异——来自TEM研究的证据
石榴石 变形机制 水弱化
2010/12/24
大陆碰撞造山带中超高压榴辉岩从变形程度上通常可以分为面理化榴辉岩和块状榴辉岩两类。本文利用透射电子显微镜对中国大陆科学钻探主孔岩心中面理化榴辉岩和块状榴辉岩的石榴石变形特征进行了比较研究。结果表明:(1)面理化榴辉岩中石榴石的位错密度比块状榴辉岩中石榴石的位错密度高大约3个数量级,位错密度达1.2×1010/cm2。并且有水分子团与高密度位错共存,表明主导石榴石发生强烈塑性变形的机制为水弱化的位错...
大陆碰撞造山带中超高压榴辉岩从变形程度上通常可以分为面理化榴辉岩和块状榴辉岩两类。本文利用透射电子显微镜对中国大陆科学钻探主孔岩心中面理化榴辉岩和块状榴辉岩的石榴石变形特征进行了比较研究。结果表明:(1)面理化榴辉岩中石榴石的位错密度比块状榴辉岩中石榴石的位错密度高大约3个数量级,位错密度达1.2×1010/cm2。并且有水分子团与高密度位错共存,表明主导石榴石发生强烈塑性变形的机制为水弱化的位错...
在X射线衍射等分析研究基础上，进一步用透射电镜对半封闭室内长期沉积的大气降尘进行观察，提供了合肥地区大气降尘物相组成和各种物相形貌特征信息，揭示合肥地区大气污染物来源占第1位的是地表扬尘，以粘土矿物为标志；占第2位的是来源于大气化学次生气溶胶，主要和SO2、CO2、NOx等气态污染物排放有关，以石膏、碳酸盐和易溶盐类为标志；占第3位的是来源于汽车尾气排放的烟尘，以炭球为标志；占第4位的是来源于燃煤...
In situ conditions and interactions between microbes and minerals in fine-grained marine sediments: A TEM microfabric perspective
microbes situ conditions minerals ?ne-grained marine
2012/3/30
Microbes,theirexocellularsecretions,andtheirimpactonthemineralogyandmicro-
fabricof?ne-grainedcontinentalmarginsedimentswereinvestigatedbytransmissionelec-
tronmicroscopy.Techniqueswereusedthatretai...
TEM investigation of Lewiston, Idaho, fibrolite: Microstructure and grain boundary energetics
grain boundary energetics Microstructure
2012/3/30
High-resolutiontransmissionelectronmicroscopy(HRTEM)revealedthatasampleof
?ne-grainedLewiston,Idaho,?broliteispredominantly?brolitewithtraceamountsof
poorlycrystallinelayersilicates.The?broliteconsi...
Distribution of cations and vacancies and the structure of defects in oxidized intermediate olivine by atomic-resolution TEM and image simulation
Distribution of cations vacancies atomic-resolution TEM image simulation
2012/4/1
The Fe, Mg, and vacancy distributions in oxidized olivine of intermediate composition and the crystal structures of associated planar defects were examined by a combination of atomic-resolution transm...
TEM investigation of potassium-calcium feldspar inclusions in B鴊gild plagioclase
TEM investigation potassium-calcium feldspar inclusions B鴊gild plagioclase
2012/4/6
PotassiumcalciumfeldsparinclusionsinaBggildplagioclasewereinvestigatedbyanalyticalhighresolutiontransmissionelectronmicroscHRTEM),andtheformationprocessoftheseinclusionsisconsideredbasedontheAlSiorder...
Electron irradiation-induced phase segregation in crystalline and amorphous apatite: A TEM study
Electron irradiation-induced phase segregation crystalline amorphous apatite A TEM study
2012/4/6
SinglecrystalsofnaturalF-richapatiteand800keVKr ion-beam¤Camorphizedapatit
wereirradiatedbyanelectronbeaminatransmissionelectronmicroscopeoverarange
ofbeamenergiesandbeamcurrents.Irradiationofcrysta...
Ab-initio synthesis and TEM confirmation of antigorite in the system MgO-SiO2-H2O
Ab-initio synthesis TEM confirmation antigorite system MgO-SiO2-H2O
2012/4/5
Forthe?rsttime,chemicallypure,nearlysingle-phaseantigorite,Mg Si O (OH) ,wassynthesizeddirectlywithoutusingseeds.Startingmaterialwasastoichiometricmix-tureofpreviouslysynthesizedtalcandbrucite.Synthes...
Illite-Smectite Alteration and Accompanying Reactions in a Pennsylvanian Underclay Studied by TEM
Coal Basin Diagenesis HRTEM Illite/Smectite Paleosol Underclay Weathering
2011/12/22
Abstract: Pennsylvanian underclay from Illinois is characterized by well-developed mineral zonation: towards the coal bed, marly limestone gradually evolves into carbonate-free clay, chlorite becomes ...
Cathodoluminescence of meteoritic and synthetic forsterite at 296 and 77 K using TEM
Cathodoluminescence meteoritic synthetic forsterite 296 77 K using TEM
2012/4/5
Cathodoluminescence(CL)emissionspectraofforsteritefromtheAllende(CV3)and
Murchison(C2)meteoritesandfromCr-dopedandpuresyntheticforsteritesampleshave
beenobtainedatroom(296K)andliquidnitrogen(77K)tem...
Memory effects of domain structures during displacive phase transitions: A high-temperature TEM study of quartz and anorthite
Memory effects domain structures displacive phase transitions high-temperature TEM study of quartz anorthite
2012/4/1
Memory effects ass~iated with the Dauphine twins in a quartz and the c-antiphase
domains (c-APDs) in PI anorthite have been investigated by in situ hot-stage transmission
electron microscopy (TEM). ...
TEM investigation of the domain structure and superstructure in hillebrandite, Ca2SiO3(OH)2
TEM investigation domain structure superstructure hillebrandite Ca2SiO3(OH)2
2012/4/9
Selected-area electron diffraction, dark-field images, and high-resolution transmission electron microscope images show that there are pervasive domains in hillebrandite from Mexico. The domains are i...