'Sulfide' diaporamas de présentation

NaCl

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Cold Seep Research at MBARI S. Goffredi and V. Orphan

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The Sulfur Taints

The Sulfur Taints. Linda Bisson Department of Viticulture and Enology. Why Are Sulfur Taints a Problem?. Low thresholds of detection Chemical reactivity Difficulty in removal Difficulty in masking. S-Volatiles: Negative Impacts on Flavor. Hydrogen Sulfide: Rotten egg

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Private Water Supply A Pennsylvania Perspective

Private Water Supply A Pennsylvania Perspective. Mr. Brian Oram, PG Professional Geologist, PASEO, Licensed Well Driller Lab Director, Center for Environmental Quality Wilkes University GeoEnvironmental Sciences and Engineering Department Wilkes Barre, PA 18766

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The Major Transitions in Evolution: A Physiological Perspective

The Major Transitions in Evolution: A Physiological Perspective. Andrew H. Knoll Harvard University. 1. Replicating molecules ? Populations of molecules in compartments 2. Independent replicators ? chromosomes 3. RNA ? DNA and proteins 4. Prokaryotes ? Eukaryotes

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LET'S PLAY!

LET'S PLAY!. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 300. 500. 500. 500. 500. 500. 500. 1000. 1000. 1000. 1000. 1000. 1000. Ca 3 P 2. What is Calcium Phosphide ?. MgN. What is Magnesium Nitride ?. Na 2 O.

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Why are Spartina grasses so successful? Adaptations to anoxia and hydrogen sulfide

Why are Spartina grasses so successful? Adaptations to anoxia and hydrogen sulfide. Ray Lee and Brian Maricle School of Biological Sciences Washington State University. Spartina alterniflora and Spartina anglica.

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Hg Fate and Transport Within the San Jose/Santa Clara WPCP:

Item #4. Hg Fate and Transport Within the San Jose/Santa Clara WPCP:. Study Design and Interim Progress Report. Item #4. Why?. Baywide Hg TMDL Anything Special About POTW Hg? Do POTWs Methylate Hg? Where Does the Hg Go? NPDES Discharge Permit Provision

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Read Sections 4.1, 4.2, 4.3, 4.4, and 4.5 before viewing the slide show.

Read Sections 4.1, 4.2, 4.3, 4.4, and 4.5 before viewing the slide show. Unit 14 Binary Ionic Compounds. Criteria for Stability of Ions (4.1) Lewis Symbols for Atoms (4.2) Octet Rule (4.4) Formula Writing for Binary Ionic Compounds (4.5) Nomenclature for Binary Ionic Compounds (4.5).

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???? & ?????????

???? & ?????????. S. O. R 1. R 1. R. R. Lecturer: Mrs. Srey Moniroth Prepare by: Taing Hangleang Vong Sothy Ven Bora Yon Victor Yeang Dalin Uon Tharoth Tep Piseth Tao You Y. 1. ???????????????????. ? . ??????

1.79k views • 19 slides

Silicibacter pomeroyi

Silicibacter pomeroyi. Breaks DMSP (dimethysulfoniopropionate) down to make DMS (sulfur compound that increases sulfur supply in the atmosphere) In the atmosphere, DMS oxidizes into sulfuric acid and methanesulfuric acid

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Degrading PCE ( Tetrachloroethylene ) In Sulfide Conditions using Bacteria

Degrading PCE ( Tetrachloroethylene ) In Sulfide Conditions using Bacteria. By: Zach Steinbaugh and Greg Ancmon Monarch High School. Introduction. Tetrachloroethylene (PCE), is a man-made liquid that is widely used in dry cleaning and for removing grease from metal surfaces.

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Sulfur Cycle Facts

Sulfur Cycle Facts. Sulfur Oxidation States Sulfide and organic sulfhydryl groups = -2 Elemental sulfur = 0 Thiosulfate (S 2 O 3 -2 ) = +2 Sulfite (SO 3 -2 ) = +4 Sulfate (SO 4 -2 ) = +6 Sources of sulfur to the global cycle? Weathering & volcanism & sea-spray

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Haz-Mat Training

Haz-Mat Training. Haz-Mat Smart Strip Distributed by Steve Haston 2012. Syllabus. Introduction Objectives Overview Understanding chemical classification Interpreting readings Limitations Additional monitoring Hands on. Introduction.

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Monatomic Ions

Monatomic Ions. Ion Vocabulary. An ion is an atom or group of atoms that have a charge. A monatomic ion is an atom with a charge. The charge on the atom is called an oxidation number . A polyatomic ion is a group of atoms with a charge. A cation is a positive ion.

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Environmental Bio-Systems, Inc.

HEXAVALENT CHROMIUM REMEDIATION. Environmental Bio-Systems, Inc. Jim Jacobs, RG, REA, CHG. Movie: Erin Brockovich Contaminant: Cr(VI) Site: PG&E Hinkley, California facility. HOLLYWOOD & Cr(VI). TREATING Cr(VI): SOIL & GROUNDWATER. Isolation Immobilization Toxicity Reduction

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Review of Nomenclature & Formula Writing

Review of Nomenclature & Formula Writing. Science 10 Chemistry Unit. Ionic & Covalent Compounds. Name the following compounds..make sure you use the right naming method ? 1) NaF __________________________________________ 2) NF 3 __________________________________________

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Limiting Reagent

Limiting Reagent. 1. Limits or determines the amount of product that can be formed 2. The reagent that is not used up is therefore the excess reagent

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Sulfur and water

The H2oairwateramericas has been a popular, the sulfur in your water supply is easily recognized by its offensive odor. Hydrogen sulfide gas causes the "rotten-egg" or sulfur water smell. Hydrogen sulfide in water causes no known health effects.

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