'Cold surface' presentation slideshows

Structural Determination of Organic Compounds

34. Structural Determination of Organic Compounds. 34.1 Introduction 34.2 Isolation and Purification of Organic Compounds 34.3 Tests for Purity 34.4 Qualitative Analysis of Elements in an Organic Compound

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Braveheart Writers

1.06k views • 79 slides

Clouds

Clouds. ATS351 Lecture 5. Outline. Review CCN Fog Clouds Types Use of Satellite in Cloud Identification. Cloud Condensation Nuclei. Aerosols may become CN; and CN may become CCN But not all CN are CCN Larger concentrations over land

673 views • 51 slides

Chapter 14: Thermodynamics

Chapter 14: Thermodynamics. Review of the Law. 1 st law of Thermodynamics is a restatement of the law of conservation of energy Energy can never be created nor destroyed, it may only change form This is true only within a closed system The universe is a closed system

659 views • 49 slides

Clouds and Humidity

Clouds and Humidity. The Water Cycle. Three Requirements for a Cloud :. A cooling mechanism Moisture Condensation nuclei Clouds form by moist air cooling. Warm air can dissolve more water than cold. We cannot see dissolved water in air. Causes of cooling :.

577 views • 41 slides

Equation of Continuity II

Equation of Continuity II. Summary of Equations of Change. Summary of Equations of Change. Summary of Equations of Change. The momentum molecular flux, . molecular stresses = pressure + viscous stresses. * . Summary of Equations of Change. The energy molecular flux.

637 views • 36 slides

Vacuum Systems

Vacuum Systems. Why much of physics sucks. Why Vacuum?. Anything cryogenic (or just very cold) needs to get rid of the air eliminate thermal convection; avoid liquefying air Atomic physics experiments must get rid of confounding air particles eliminate collisions

589 views • 34 slides

ChE 553 Lecture 15

ChE 553 Lecture 15 . Catalytic Kinetics Continued. Object. Examine the effects of pairwise interactions on rates of surface reactions Interactions change apparent order Can fit to Langmuir, but with the wrong mechanism. Started Catalytic Kinetics Last Time.

439 views • 33 slides

Extreme Temperature Regimes during the Cool Season

Extreme Temperature Regimes during the Cool Season. Robert X. Black Rebecca Westby School of Earth and Atmospheric Sciences Georgia Institute of Technology, Atlanta, Georgia DOE/BER Regional and Global Climate Modeling Program. Presentation Overview.

381 views • 23 slides

Science Ace- Thematic Studies By: Ng Aik Yang(20) 1A1

Science Ace- Thematic Studies By: Ng Aik Yang(20) 1A1. Dry Ice. What is dry ice?. Basically, dry ice is the solid form of carbon dioxide, which comprises of two oxygen atoms bonded to a single carbon atom. Properties of dry ice.

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Lecture 12: Atmospheric moisture (Ch 5)

282 views • 14 slides

Blood sample handling

Blood sample handling . EHES Training Materials. Equipment. Centrifuge Empty tubes for re-centrifugation (only needed if gel serum tubes are used) Storage tubes Pipette Storage boxes Disposable gloves. Before centrifugation of blood tubes.

414 views • 14 slides

Precipitation

715 views • 12 slides

Roofing in Winter in Westchester New York

Roofing in Winter in Westchester New York. Roofing in winter is a difficult job. East Coast Roofing has been serving Westchester New York for decades. Here are some points you should keep in mind to ensure your roofing is in good condition in cold winter of Westchester, New York. .

232 views • 12 slides

Chapter 2 Weather Factors Sections 4 and 5 Water in the Atmosphere and Precipitation

Chapter 2 Weather Factors Sections 4 and 5 Water in the Atmosphere and Precipitation. Humidity. Humidity is a measure of the amount of water vapor in the air. Relative humidity is the % of water vapor in the air compared to the maximum amount the air could hold. Dew Point.

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Precipitation

Precipitation is any form of cloud H 2 O that has grown heavy enough to fall to Earth. Water droplets grow by bumping into and combining with other water droplets. Over time they grow heavy enough to fall to Earth. . Precipitation. There are several forms of precipitation: Drizzle Rain

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Winter Weather Briefing for Tuesday Jan, 15, 2013

Winter Weather Briefing for Tuesday Jan, 15, 2013. Winona, MS this afternoon. Courtesy Jeff Summers. Brian Koeneke NWS JACKSON, MS. Overview. Freezing rain to begin again late tonight continuing through tomorrow across the delta Cold rain elsewhere

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Phases of Matter

437 views • 7 slides

Chapter 6 Sublimation

Chapter 6 Sublimation. Sublimation. Sublimation is the process whereby a solid evaporates from a warm surface and condenses on a cold surface as a solid. Sublimation is preferred over crystallization for < 100mg purification as there is little loss of material.

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Dew Point

496 views • 3 slides