The characterization of deep rock joints from Borehole Television image

2013 ◽  
pp. 81-86
Author(s):  
K Song ◽  
E Yan ◽  
L Xie
Keyword(s):  
Rock Joints ◽  
Deep Rock ◽  
Television Image

scholarly journals Laboratory characterization of rock joints

1994 ◽  
Author(s):  
S.M. Hsiung ◽  
D.D. Kana ◽  
M.P. Ahola ◽  
A.H. Chowdhury ◽  
A. Ghosh
Keyword(s):  
Rock Joints ◽  
Laboratory Characterization

scholarly journals Binary Images of Sheared Rock Joints: Characterization of Damaged Zones

1996 ◽  
Vol 7 (5-6) ◽  
pp. 521-526 ◽  
Author(s):  
Joëlle Riss ◽  
Sylvie Gentier ◽  
Katia Laffréchine ◽  
Rock Flamand ◽  
Guy Archambault
Keyword(s):  
Rock Joints ◽  
Binary Images

Surface roughness characterization of open and closed rock joints in deep cores using X-ray computed tomography

2017 ◽  
Vol 98 ◽  
pp. 10-19 ◽  
Author(s):  
Melvin Diaz ◽  
Kwang Yeom Kim ◽  
Sun Yeom ◽  
Li Zhuang ◽  
Sehyeok Park ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Surface Roughness ◽  
Rock Joints ◽  
X Ray ◽  
X Ray Computed

scholarly journals The video clip and the rhythm-image of television

2009 ◽  
Vol 26 (48) ◽  
Author(s):  
Felipe De Castro Muanis
Keyword(s):  
Video Clip ◽  
Fundamental Characteristic ◽  
Television Time ◽  
Time Image ◽  
Television Image

Starting from a specific discussion on the particularities of sound and its relation with image in film and in video – especially on television – and from texts by Arlindo Machado, Michel Chion and Ángel Rodriguéz, we reach the issue of synchrony and rhythm as a fundamental characteristic that links time and sound on television. Rhythm is important to define television time, whether it is a narrative audiovisual product, based on words; or non-narrative in music. Through a brief analysis of the constitution of synchronicity between sound and image in the video clip, this paper intends to show the importance of sound for television non-narrative products. What is proposed in the paper is the characterization of television image being undissociable from sound. Thus, based on Gilles Deleuze’s concepts of movement-image and time-image, we come to the conclusion that television is preferably constituted by rhythm-images.

scholarly journals Characterization of rock joint surface anisotropy considering the contribution ratios of undulations in different directions

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Man Huang ◽  
Chenjie Hong ◽  
Chengrong Ma ◽  
Zhanyou Luo ◽  
Shigui Du
Keyword(s):  
Rock Joint ◽  
Weight Ratio ◽  
Rock Joints ◽  
Joint Surface ◽  
Orthogonal Direction ◽  
Natural Rock ◽  
Joint Surfaces ◽  
The Common ◽  
Joint Morphology

Abstract Anisotropy in rock joint is strongly dependent on undulating surface morphology. Recent research of the morphology showed the parameter can express the different types of anisotropic characteristics of the joint surface separately. This report aims to analyze the common characteristic of the anisotropic distribution and exhibit the anisotropic variation trend. The joint morphology function consists of two morphology functions of regular plane in orthogonal directions, and the anisotropic variation determined by the contribution ratios of the two morphology. The roughness weight ratio in orthogonal direction of joint surface is used as an index to describe the anisotropic variation behavior, which proposes the anisotropic variation coefficient (AVC). On this basis, it is divided into 5 levels from strong anisotropic to isotropic. According to the assumption of anisotropic arc distribution, the anisotropic analytic function is derived and the agreement between the deduced curves and measured data therefore suggests the possibility of defining the morphology anisotropy through the index AVC. Finally, we verify the characteristic of three natural rock joints, and prove the proposed function can reflect the anisotropic distribution trend. The new index can be used to describe the anisotropic variation behaviour of rock joint surfaces.

Morphological Characterization of Mycobacteriophage R1

1974 ◽  
Vol 32 ◽  
pp. 254-255
Author(s):  
B. L. Soloff ◽  
T. A. Rado
Keyword(s):  
Carbon Source ◽  
Stationary Phase ◽  
Growth Phase ◽  
Minimal Medium ◽  
Morphological Characterization ◽  
Logarithmic Growth Phase ◽  
Complete Lysis ◽  
Lysogenic Culture ◽  
Logarithmic Growth

Mycobacteriophage R1 was originally isolated from a lysogenic culture of M. butyricum. The virus was propagated on a leucine-requiring derivative of M. smegmatis, 607 leu−, isolated by nitrosoguanidine mutagenesis of typestrain ATCC 607. Growth was accomplished in a minimal medium containing glycerol and glucose as carbon source and enriched by the addition of 80 μg/ ml L-leucine. Bacteria in early logarithmic growth phase were infected with virus at a multiplicity of 5, and incubated with aeration for 8 hours. The partially lysed suspension was diluted 1:10 in growth medium and incubated for a further 8 hours. This permitted stationary phase cells to re-enter logarithmic growth and resulted in complete lysis of the culture.

AEM analysis of crystallization in Ti-based amorphous alloys

1983 ◽  
Vol 41 ◽  
pp. 270-271
Author(s):  
A.R. Pelton ◽  
A.F. Marshall ◽  
Y.S. Lee
Keyword(s):  
Magnetic Properties ◽  
Amorphous Alloys ◽  
Amorphous Materials ◽  
Isothermal Annealing ◽  
Amorphous Matrix ◽  
Nucleation And Growth ◽  
Current Interest ◽  
Amorphous Films ◽  
Electrical And Magnetic Properties

Amorphous materials are of current interest due to their desirable mechanical, electrical and magnetic properties. Furthermore, crystallizing amorphous alloys provides an avenue for discerning sequential and competitive phases thus allowing access to otherwise inaccessible crystalline structures. Previous studies have shown the benefits of using AEM to determine crystal structures and compositions of partially crystallized alloys. The present paper will discuss the AEM characterization of crystallized Cu-Ti and Ni-Ti amorphous films.Cu60Ti40: The amorphous alloy Cu60Ti40, when continuously heated, forms a simple intermediate, macrocrystalline phase which then transforms to the ordered, equilibrium Cu3Ti2 phase. However, contrary to what one would expect from kinetic considerations, isothermal annealing below the isochronal crystallization temperature results in direct nucleation and growth of Cu3Ti2 from the amorphous matrix.

Characterization of Coherent, Ordered Precipitates in Nickel-Base Alloys

1973 ◽  
Vol 31 ◽  
pp. 144-145
Author(s):  
B. H. Kear ◽  
J. M. Oblak
Keyword(s):  
Stable Phase ◽  
Nickel Base Superalloy ◽  
Alloy 718 ◽  
Commercial Alloy ◽  
Precipitate Morphology ◽  
Continuous Precipitation ◽  
Nickel Base ◽  
Base Superalloy ◽  
Strengthening Precipitate

A nickel-base superalloy is essentially a Ni/Cr solid solution hardened by additions of Al (Ti, Nb, etc.) to precipitate a coherent, ordered phase. In most commercial alloy systems, e.g. B-1900, IN-100 and Mar-M200, the stable precipitate is Ni3 (Al,Ti) γ′, with an LI2structure. In A lloy 901 the normal precipitate is metastable Nis Ti3 γ′ ; the stable phase is a hexagonal Do2 4 structure. In Alloy 718 the strengthening precipitate is metastable γ″, which has a body-centered tetragonal D022 structure.Precipitate MorphologyIn most systems the ordered γ′ phase forms by a continuous precipitation re-action, which gives rise to a uniform intragranular dispersion of precipitate particles. For zero γ/γ′ misfit, the γ′ precipitates assume a spheroidal.

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