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Rational permeability coefficient of a permeable lining for composite tunnel lining structures
tunneling engineering deeply-buried tunnel composite lining structure concrete permeable lining grouting circle parameter permeability coefficient reasonable value
2018/5/11
Various factors influence the tunneling are simplified considering the axial symmetry of the composite lining structure. The analytical expressions for the seepage field，stress，and displacement in the...
The Porretta thermal springs (Northern Apennines): seismogenic structures and long-term geochemical monitoring
Fluids Tectonic lines monitoring geochemistry
2015/9/2
The thermal springs of Porretta are located on a seismically active area of the Northern Apennines. In 19th Century
a chemist identified anomalous behaviour of the thermal waters in concomitance with...
Mineralogy and Human Welfare:Applications in Geology, Petrology, Environmental Science and Industry; Catalog of Crystal Structures
Mineralogy Human Welfare Geology Petrology Environmental Science
2011/11/11
I lived for 17 years at Barn Close Farm, Fritchley, Derbyshire, England, UK at the southern end of the Pennine Chain. I retired on 9/30/05 as Professor of Physical Sciences at the University of Chicag...
Cantilever Structures’ Environment Symbiosis Technologies in Mountainous Housings
Cantilever Beam Housing Mountainous Architecture Native Characteristics Regional Materials Symbiosis Principle between Human and Environment
2011/12/21
Fenghuang Miao minority’s housings have been clearly divided into two types in the previous series of researches, and it is one of the main theoretical basis of this paper. Furthermore there are reces...
Behaviour of Slope Protecting and Retaining Structures during Wenchuan Earthquake on May 12 2008
Behaviour Design Protecting and Retaining Structures Slope Wenchuan Earthquake
2011/12/20
At 14:28, May 12th 2008, a strong earthquake measured Ms8.0 hits Longmenshan mountain area, west Sichuan province, China. The quake is induced by the thrust of Longmenshan central fault, results in ar...
Geological mapping in Latvia:from useful minerals and structures to georesources
Geological mapping useful minerals georesources
2009/10/21
Traditional geological mapping in Latvia was initiated in the 1930s. Basic geological mapping, however, started just after the Second World War and thus provides a very simplified picture about geolog...
Extensional Tectonics and the Geometry of Related Macroscopic Structures: Field Evidence from the Gediz Detachment, Western Turkey
Geometry Extensional Structure Gediz Detachment Fault Western Turkey
2009/7/8
The large-scale, low-angle Gediz detachment fault that constitutes the southern margin of the Gediz graben (also known as the Alaşehir graben) has macroscopic structures of extensional origin, su...
Post-collisional extensinal and thrust-nappe structures in the northern part of Dabie Mountain.
2007/7/28
期刊信息
篇名
Post-collisional extensinal and thrust-nappe structures in the northern part of Dabie Mountain.
语种
英文
撰写或编译
撰写
作者
Jiang Laili,Wu Weiping,Chu Dongru
第一作者单位
安徽省地质调查院
刊物名称
Chinese Science Bulleti...
Symmetry constraints and modularity:tools to model inorganic crystal structures
symmetry constraints inorganic crystal structures
2011/11/11
Symmetry constraints and modularity:tools to model inorganic crystal structures.
Comparative study of the effects of thermal and mechanical treatments on the structures of clay minerals
clay minerals grinding and thermal treatments reactivity structural changes
2011/11/10
Controlled heating (in air) of clay minerals leads to transformations into disordered structures and recrystallization into new phases at high temperatures. These phase transformations are of topotact...
Three-Dimensional Crystal Structures of Illite-Smectite Minerals in Paleozoic K-Bentonites from the Appalachian Basin
Bentonite Cis-Vacant Octahedra Crystal Structure Illite-Smectite Polytype Rotational Disorder X-ray Diffraction
2011/12/2
Abstract: The three-dimensional crystal structures of illite-smectite (I-S) in K-bentonite samples from the Appalachian Basin are characterized by rotational disorder in the stacking sequence of 2:1 i...
Formation of Banded Iron-Manganese Structures by Natural Microbial Communities
Bacteria Banded Fe-Mn Structure Biomats Biomineralization Zebra Architecture
2011/12/6
Abstract: Microbial structures in the form of banded zebra patterns have been found as periodic iron-manganese layers in living biomats on the coast of Satsuma-Iwo Jima, a small volcanic island near s...
Determination of Illite-Smectite Structures Using Multispecimen X-ray Diffraction Profile Fitting
Illite-Smectite Simulation Structure Swelling X-Ray Diffraction
2011/12/7
Abstract: A procedure for structural investigations by X-ray diffraction of mixed-layer structures incorporating swelling layers has been developed. For each sample, specimens saturated with different...
Structures of FeTiO3 (0001) surfaces observed by scanning tunneling microscopy
Structures FeTiO3 (0001) surfaces observed scanning tunneling microscopy
2012/4/1
Scanning tunneling microscopy (STM) was used to investigate the (0001) surface structure of a
, following argon-ion sputtering and annealing in O . Low energynatural single crystal of FeTiO
3 2(0001...
Crystal structures of two partially dehydrated chlorites: The "modified" chlorite structure
Crystal structures two partially dehydrated chlorites:The "modified" chlorite structure
2012/4/1
Chromian clinochlore-IIb-4 (triclinic) and IIb-2 (monoclinic) polytypes from the Day Book Body,
North Carolina, were heated to 650 ?C for 5 hours and air quenched. Single-crystal X-ray refinements
o...