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Chem 51C (Spring 2012): Reactions of Organometallic Reagents with Carbonyl Compounds and Carboxylic
Spring Quarter 2012, Lecture 3 for Chem 51C: Organic Chemistry recorded on Tuesday, April 10. Items covered: Ch. 20. Reactions of Organometallic Reagents with Carbonyl Compounds. Reactions of Members of the Carboxylic Acid Family with Hydride Nucleophiles and Organometallic Reagents.
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3.1 What does TCP/IP protocol architecture do?

The Internet is a worldwide public internetwork, which allows computers to communicate with each other even though they may have different manufacturers and different operating systems. The origins of the Internet lie in a project of the US Defense Advanced Research Project Agency in the 1970s, where it was intended to foster communication between research institutions rather than operate for profit. However, a substantial amount of traffic carried by the Internet is now related to com
Author(s): The Open University

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8.3.6 Deep silicon etching

MEMS structures often require etching to a much greater depth than is needed for microelectronics. A rate of 1–2 μm min−1 may be quite sufficient for making transistors less than 1 mm deep, but to etch through 600 mm of silicon to form an accelerometer would take all day. The advent of MEMS and wafer-level packaging applications, therefore, brought a need for yet faster anisotropic etches, requiring advances both in the process and in the etching equipment.

Capacitive co
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The Empathetic Brain
The Empathetic Brain

00:01:01
© 2000–2016 The Metropolitan Museum of Art. All rights reserved.

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3.1 ‘Making ends meet’

When you say that someone is ‘poor’, what do you mean?

Do people whom others call ‘poor’ always see themselves in that way?

One group whose identities are greatly constrained by income are the poor. But, as the questions above suggest, poverty is not a simple fact of some lives: rather, it is a concept with different meanings, and a label that we may accept or reject. This section c
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Otis Visiting Artist:Adam Budak
Otis Fine Arts Visiting Artist Lecture Series: Adam Budak, who lives in Graz and Krakow, is currently curator for contemporary art at the Kunsthaus Graz am Landesmuseum Joanneum in Graz, Austria. He studied theatre studies at the Jagiellonian University in Krakow and history and philosophy of art and architecture at the Central European University in Prague. He is a guest professor at the Higher Institute for Fine Arts Flanders in Ghent and at the Theatre Institute of the Kunstuniversität in
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2.4 Obesity – an evolutionary perspective

If you were now to take a broader biological approach to the data discussed in the previous section you might still be puzzled. Excess body weight leads to a variety of diseases, including diabetes, osteoarthritis and so on – surely this must reduce overall biological fitness.

SAQ 21


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The Adventures fo Huck Finn by Mark Twain chapters 5-8
This video is a student project for school.  The students dramatize scenes from the novel, The Adventures of Huck Finn by Mark Twain.  This is chapters 5-8

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6.6 Summary of Section 6

  1. The majority of proteins of known function are enzymes. Enzymes are biological catalysts, increasing the rates of reactions. Enzymes are not permanently altered by catalysis of a reaction.

  2. The transition state is an unstable intermediate enzyme–substrate complex in which the enzyme and the substrate are in highly strained conformations.

  3. There are a number of different catalytic mechanisms employed by enzymes including general
    Author(s): The Open University

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Rumpelstiltskin
This Fractured Fairy Tale, narrated by Edward Everett Horton, is from the Rocky and Bullwinkle Show, Saturday morning cartoons in the 1960s. Rumpelstiltskin is a PR man who does not succeed in his scheme to take the firstborn child of the queen and king.  (05:35)
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Bill Sims Jr in Migration Rhapsody
See the full performance: https://www.youtube.com/watch?v=6e4cvzuHwjg In conjunction with the "One-Way Ticket" exhibition, Terrance McKnight, a host on New York City classical music station WQXR, curates an evening of music and performance with artists including Jim Davis, Kevin Maynor, Karen Chilton, Bill T. Jones, Alicia Hall Moran, Jason Moran, Damien Sneed, Bill Sims Jr., Ricky Gordon, Bob Stewart, and others.
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Computation Structures, Fall 2002
Introduces architecture of digital systems, emphasizing structural principles common to a wide range of technologies. Multilevel implementation strategies; definition of new primitives (e.g., gates, instructions, procedures, and processes) and their mechanization using lower-level elements. Analysis of potential concurrency; precedence constraints and performance measures; pipelined and multidimensional systems. Instruction set design issues; architectural support for contemporary software struc
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5.6 A few final thoughts

You will have seen from this section that it is difficult to talk about the heart without also talking about blood and veins and arteries. It is hard to isolate one body system or one body part and describe it by itself, without talking about other parts of the body as well. One of the important points that we would like you to remember about the biology of the human body is that everything is interlinked. An athlete hoping to maximise their performance in a sport has to work on all pa
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Learning outcomes

After studying this course, you should be able to:

  • contrast the physical properties of air and water and describe implications of such differences for aquatic mammals

  • give examples of the adaptations displayed by aquatic mammals that enable them to hold their breath while submerged for relatively long periods

  • describe some of the biological differences between pinnipeds, sirenians and cetaceans

  • discuss the importance of communication
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Digital sales won't cannibalize print media: Hearst's Carey
Hearst Magazines president David Carey plans on growing digital subscribers to one million in 2012.
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How the Iowa Caucus Works
Each U.S. primary election season kicks off in Iowa. Learn the process behind one of the pivotal events of the general election. (02:03)

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International Development: microcredit and migration
What does it mean to be poor, or an immigrant? What form should Aid take? This album begins to explore the complex issues of international development in a globalised world, starting with a look at schemes which attempt to alleviate poverty. Small business owners are empowered by micro-financing in Glasgow, while in Argentina a disastrous economic collapse has led to people taking matters into their own hands by creating an alternative social exchange currency. Migrant communities, such as Greek
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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

3.5 Benzodiazepine tranquillisers, Prozac and the SSRIs

One of the most significant ranges of drugs ever produced is the benzodiazepine tranquillisers (usually classed as ‘minor tranquillisers’ or ‘hypnotics’), often prescribed as a remedy for ‘minor’ disorders such as depression, sleeplessness and anxiety. In effect, they extended the range of conditions that could be treated by medication. The best-known example is probably Valium.

2.1 Introduction

During his interview, Daniels expressed the opinion that Vygotsky's theory is attractive because it:

Promotes the view that effective parenting, instruction and education lead development. Preparing, or socialising, children for the future, therefore, becomes a highly meaningful (and often politically charged) activity, as does deciding which types of experiences will best foster the acquisition of skills and co
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1.6.4 D. Worker as community developer

Young people are a fully contributing part of their communities already and their views and interests need to be taken as seriously as those of any other grouping. It's the adults’ role to help articulate their needs and concerns and to give them information and support to help them communicate these appropriately in the right quarters. Adults may need to act as advocates with or on behalf of young people to ensure their voice is heard. Young people also have responsibilities in relation to
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