'Grain sizes' diaporamas de présentation

Solar System Formation

Solar System Formation. The processes by which stars and planets form are active areas of research in modern astrophysics The formation of our own solar system is central to the first half of our course, and important to the second half as well when we study the formation of stars.

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DRILLING MACHINE

DRILLING MACHINE. DRILLING. Drilling is a metal cutting process carried out by a rotating cutting tool (twist drill) to make circular holes in solid materials. Drilling Machine. A power operated machine tool, which holds the drill in its rotating spindle and produces a hole when

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Engineering Properties of Soils Soil Types

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Engineering Properties of Soils Soil Types

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Evaluation of Algorithms for the Retrieval of Snow Grain Size from Optical Satellite Data

Evaluation of Algorithms for the Retrieval of Snow Grain Size from Optical Satellite Data. 8th Circumpolar Symposium on Remote Sensing of Polar Environments, 8-12 June 2004, Chamonix Hans Koren, Jostein Amlien, Rune Solberg, Norwegian Computing Center (NR). Contents. Background

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Lecture 2

Lecture 2. A Primer on Sediment. Classifications and Ordering. Main types of sediment Carbonates Evaporites Clastics. Classifications and Ordering. Main types of sediment Grain sizes and distribution of grain sizes. size (in mm) = 2 - F. Classifications and Ordering.

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SILICICLASTIC SEDIMENTARY ROCKS

SILICICLASTIC SEDIMENTARY ROCKS. Prepared by Dr. F. Clark Department of Earth and Atmospheric Sciences, University of Alberta August 06. INTRODUCTION - TEXTURES.

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Instructor: Yuntian Zhu Office: 308 RBII Ph: 513-0559 ytzhu@ncsu Lecture 5

MSE 791 : Mechanical Properties of Nanostructured Materials Module 3: Fundamental Physics and Materials Design. Instructor: Yuntian Zhu Office: 308 RBII Ph: 513-0559 ytzhu@ncsu.edu Lecture 5

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Soil Classification

Soil Classification. N. Sivakugan. Duration: 7 min. 20 s. Objectives. To develop a systematic way to describe and classify soils;. To group soils of similar geotechnical characteristics; and. To assign symbols. 0.002. 0.075. 2.36. 63. 200. Major Soil Groups. Cohesive soils.

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Soil Classification

Soil Classification. N. Sivakugan. Duration: 7 min. 20 s. Objectives. To develop a systematic way to describe and classify soils;. To group soils of similar geotechnical characteristics; and. To assign symbols. 0.002. 0.075. 2.36. 63. 200. Major Soil Groups. Cohesive soils.

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Experimental results on isotopic fractionation of dusty deuterated water ice during sublimation

Experimental results on isotopic fractionation of dusty deuterated water ice during sublimation. John E. Moores P.H. Smith, R.H. Brown, D.S. Lauretta, W.V. Boynton, and M.J. Drake LPSC, March 14 th , 2008. Importance of Fractionation.

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Sedimentary Deposition on the North and South shores of Long Island

Sedimentary Deposition on the North and South shores of Long Island. By Brian Campbell, Levar Cassaberry, and Alex Reyes. The Big Question:. How are the sediments deposited on the North and South Shores of Long Island?. Hypothesis:.

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FOSSILS IN SEDIMENTARY ROCKS

FOSSILS IN SEDIMENTARY ROCKS. Most fossils are preserved in sedimentary rocks Trilobite in sandstone Fern in shale Bivalves shells in limestone. BEDDING OF SEDIMENTARY ROCKS.

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Equal-Channel Angular Pressing (ECAP) ECAP is used to process ultrafine-grained microstructures.

Pure Al: 1 pass. Al-6061: 1 pass. Processing and Properties of Materials with Ultrafine Grain Sizes Terence G. Langdon, University of Southern California NSF Award DMR-0243331. Equal-Channel Angular Pressing (ECAP) ECAP is used to process ultrafine-grained microstructures.

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Equal-Channel Angular Pressing (ECAP) ECAP is used to process ultrafine-grained microstructures.

Pure Al: 1 pass. Al-6061: 1 pass. Processing and Properties of Materials with Ultrafine Grain Sizes Terence G. Langdon, University of Southern California NSF Award DMR-0243331. Equal-Channel Angular Pressing (ECAP) ECAP is used to process ultrafine-grained microstructures.

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Equal-Channel Angular Pressing (ECAP) and High-Pressure Torsion (HPT)

Pure Al: 1 turn. Pure Al: 5 turns. Creep and Superplasticity in Materials with Ultrafine Grain Sizes Terence G. Langdon, University of Southern California NSF Award MET DMR-0243331. Equal-Channel Angular Pressing (ECAP) and High-Pressure Torsion (HPT)

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XY Li et al. Nature 464 , 877-880 (2010) doi:10.1038/nature08929

Yield stress of nano-twinned Cu as a function of twin-boundary spacing at different grain sizes. XY Li et al. Nature 464 , 877-880 (2010) doi:10.1038/nature08929.

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