'Ultraviolet light' diaporamas de présentation

Chapter Menu

Introduction to Chemistry. Section 1.1 A Story of Two Substances Section 1.2 Chemistry and Matter Section 1.3 Scientific Methods Section 1.4 Scientific Research. Click a hyperlink or folder tab to view the corresponding slides. Exit. Chapter Menu. Section 1.1 A Story of Two Substances.

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Poliomyelitis , Pneumococcal and Meningococcal Disease CH 8, 17 &18

Poliomyelitis , Pneumococcal and Meningococcal Disease CH 8, 17 &18. Poliomyelitis. First described by Michael Underwood in 1789 First outbreak described in U.S. in 1843 21,000 paralytic cases reported in the U. S. in 1952 Global eradication in near future. Poliovirus. Enterovirus (RNA)

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Physical and Chemical Changes Pure Substances Mixtures States of Matter

Matter. Physical and Chemical Changes Pure Substances Mixtures States of Matter. Everything that has mass and volume is called matter. What is matter?. What kind of changes does matter undergo?.

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Welcome NIPAS

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Waves

Waves. Radio waves, x-ray, light, sound, seismic waves (p waves, s waves), waves at the beach!. Definition of wave. 1. A wave is a disturbance that travels through matter (air, water, rock) OR space (no matter) 2. Waves carry or transmit energy. . 2 Kinds of Waves. Mechanical Waves

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Insect Management for Organic Vegetable Production

Insect Management for Organic Vegetable Production. Richard Weinzierl Department of Crop Sciences University of Illinois. Insect Management for Organic Vegetable Production. An overview of practices

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SELECTING EXTERIOR TOPCOATS BASED ON AESTHETIC PERFORMANCE

SELECTING EXTERIOR TOPCOATS BASED ON AESTHETIC PERFORMANCE. COATINGS & ULTRAVIOLET LIGHT. What is a Coating Polymer?.

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Heating the Earth

Heating the Earth. Energy From the Sun. Where We Get Our Energy. The Sun is a major source of energy for Earth. . Forms of Energy. Different forms of energy include heat, light, electrical, mechanical, sound, nuclear, and chemical. . Electromagnetic Energy.

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ME 4447/6405

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9. Oxidation-Reduction

9. Oxidation-Reduction. Oxidation-Reduction Redox Reactions. Reactions in which some elements change their oxidation number. Oxidation numbers. An oxidation number is the charge an atom would have if electrons in its bonds belonged completely to the more electronegative atom.

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Which of the following is the most stable radical?

Which of the following is the most stable radical? . Rank the following alkyl radicals in order of increasing stability (least < < <most). . 1<3<2<4. What is the product of the following reaction? . Predict the product of the following reaction. 1-methylcyclohexene + HBr/H 2 O 2 ? .

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30. Orbitals and Organic Chemistry: Pericyclic Reactions

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Microprocessor and Microcontroller Based Systems

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Light Waves

What we call light is a small portion of the electromagnetic spectrum All the different colors are electromagnetic waves with different wave lengths Wave speed = frequency x wavelength EM radiation is alternating electric and magnetic fields. Light Waves. Remember our field induction rules

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Air Monitoring and Sampling Techniques

Air Monitoring and Sampling Techniques. AERT. Objectives. Understand air monitoring and sample techniques Knowledge of how the equipment works Understand the order of importance for sampling Techniques for effective sampling. Area Priorities.

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Atmosphere Test Review

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Organic Reactions

Organic Reactions. Substitution Elimination Addition Esterification. Organic Reactions. So far in this unit we have discussed hydrocarbons and their isomers We have also learned about organic compounds with different functional groups Throughout this we have learned naming rules for each

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Let there be light

Let there be light. Most of what we know about the Universe comes from information that has been carried to us by light. We will begin by examining the properties of light and then we will discuss the instruments that are used to detect it (telescopes). t . . Light Basics.

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