'Si 2' diaporamas de présentation

Silicate Minerals

1.68k views • 98 slides

Inhibitor Squeeze Design

Inhibitor Squeeze Design. Effects of divalent and trivalent metal ions (Ca 2+ , Mg 2+ , Fe 2+ , Al 3+ ) on inhibitor return and inhibitor foam squeeze. Outline of Presentation. Overview of Inhibitor squeeze chemistry and modeling Effects of Al 3+ , Mg 2+ in overflush on inhibitor return

1.15k views • 63 slides

EPSC210 Introductory Mineralogy

731 views • 50 slides

Chapter 12: Ceramics Materials - Structures and Properties

4.26k views • 39 slides

Phase diagrams for melting in the Earth (101): thermodynamic fundamentals Jan Matas

492 views • 37 slides

Mineral Structures

Mineral Structures. the [SiO 4 ] 4- tetrahedron. Silicates are classified on the basis of Si-O polymerism. Mineral Structures. [SiO 4 ] 4- Independent tetrahedra Nesosilicates Examples: olivine garnet [Si 2 O 7 ] 6- Double tetrahedra Sorosilicates

505 views • 31 slides

Scale Control In the Presence of Hydrate Inhibitor

477 views • 29 slides

Click to add Title

375 views • 28 slides

Chemical Equations

Chemical Equations. Counting atoms Balancing chemical equations Classifying chemical reactions Writing word & formula equations. Counting atoms. How many atoms of each element are present in the following: Ca 3 (PO 4 ) 2 H 2 SO 4 H 2 C 6 H 6 O 6 4. 2 Pb (NO 3 ) 2. Counting atoms.

528 views • 25 slides

Semiconductor Device Modeling and Characterization EE5342, Lecture 22 Spring 2003

Semiconductor Device Modeling and Characterization EE5342, Lecture 22 Spring 2003. Professor Ronald L. Carter ronc@uta.edu http://www.uta.edu/ronc/. Ideal 2-terminal MOS capacitor/diode. conducting gate, area = LW. V gate. -x ox. SiO 2. 0. y. 0. L. silicon substrate. t sub. V sub.

346 views • 23 slides

319 views • 22 slides

Chemical aspects between water and minerals in view of building geothermal power plants

Chemical aspects between water and minerals in view of building geothermal power plants. A short introduction into mineralogy from Martin Weber Msc. chem., Switzerland. Analysis of thermal water from the richest mineral source in Switzerland. Place of the fountain: Baden (Switzerland)

333 views • 15 slides

Semiconducting ?-FeSi 2

Semiconducting ?-FeSi 2. Presented by Srujana Aramalla. Silicides. Metallic Silicides e.g. CoSi 2 , NiSi 2 , TiSi 2 Semiconducting silicides e.g. b -FeSi 2 (bandgap of 0.85 eV), CrSi 2 (0.35 eV)and ReSi 2 (0.12 eV). Advantages of Transition metal silicides.

448 views • 15 slides

EARTH MATERIALS EQ:What materials compose the Earth?

313 views • 13 slides

216 views • 13 slides

Heavy Ion Laboratory

Heavy Ion Laboratory. Warsaw University Eryk Piasecki. Cyclotron. K=160 (up to 400 MeV of 40 Ar) Ion source: ECR, 10 GHz Extraction: stripping. Delivered beams. (with new ECR source other beams will be avail-able soon). Experimental facilities in HIL. Cudac. OsirisII. Janosik.

214 views • 13 slides

Camosun College GEOS 250 Lectures: 9:30-10:20 M T Th F300 Lab: 9:30-12:20 W F300

Introduction to Mineralogy Dr. Tark Hamilton Chapter 4: Lecture 16 The Chemical Basis of Minerals (Perovskite & Spinels). Camosun College GEOS 250 Lectures: 9:30-10:20 M T Th F300 Lab: 9:30-12:20 W F300. Perovskite CaTiO 3 Structure CCP Orthorhombic 2/m2/m2/m, dipyramidal.

299 views • 11 slides

Sorosilicates Minerals with isolated [Si 2 O 7 ] 6- groups, but some have both

Sorosilicates Minerals with isolated [Si 2 O 7 ] 6- groups, but some have both [SiO 4 ] 4- and [Si 2 O 7 ] 6- groups. Lawsonite. CaAl 2 Si 2 O 7 (OH) 2 ?H 2 O. Epidote Group. The group has the general formula X 3 Y 2 (SiO 4 )(Si 2 O 7 )(O,OH) X Y Ca Al,Fe 3+ epidote monocl.

372 views • 8 slides

dissociation energy: theory vs. experiment

3 types of basis sets: - PW +psp: - Gaussian/AE: - Gaussian/sc-ECP:. Quantum many-body calculations in real materials Shiwei Zhang, William and Mary, DMR 0535529.

175 views • 2 slides

1. ? -SiO 2

Y 2 Si 2 O 7. Y 2 SiO 5. 2(Y 2 O 3 ). 3(SiO 2 ). 1. ? -SiO 2. Y 2 [SiO 4 ] 6 N 2. Y 4 Si 2 O 7 N 2. YSiO 2 N. Y 2 Si 3 N 4 O 3. Si 2 N 2 O. 4(YN). Si 3 N 4. 2. Y 2 O 3. 3. ? -Si 3 N 4. 4. Si 2 N 2 O. 5. Y 2 Si 2 O 7. 6. Y 2 SiO 5. 7. Y 2 Si 3 N 4 O 3. c. b.

191 views • 1 slides