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4.2.1 Hub and spoke architectures

There are two main types of bus architectures. These are hub and spoke architectures and multicast bus architectures. Figure 4 shows a typical hub and spoke architecture.

Figure 4
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Economic Update: What Inequality Does
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3.4 Summary of Section 3

  • The temperature of an object is intimately linked to the average kinetic energy of the atoms from which it is made. As a result, some materials properties such as electrical resistance and mean atom spacings change gradually with temperature. These properties can be modelled with a simple linear equation like the following one that describes thermal expansion:

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    Mathematical analysis
    This is a module framework. It can be viewed online or downloaded as a zip file. It is as taught in 2009-2010. This module introduces mathematical analysis building upon the experience of limits of sequences and properties of real numbers and on calculus. It includes limits and continuity of functions between Euclidean spaces, differentiation and integration. A variety of very important new concepts are introduced by investigating the properties of numerous examples, and developing the assoc
    Author(s): Feinstein Joel F. Dr.

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    Except for third party materials (materials owned by someone other than The University of Nottingham) and where otherwise indicated, the copyright in the content provided in this resource is owned by

    4.4 Genetic diversity and mass extinctions

    It is for this reason that there are now international agreements on the need to work together to retain genetic diversity in all species and, more generally, biological diversity (species and habitat diversity).

    Question 10

    From a
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    Nanotechnology
    Richard Jones, professor of Physics at the University of Sheffield, looks at how we can manipulate matter at the level of individual atoms and molecules and the possible impact this will have on advances of medicine, energy and information technology.
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    3.1 Choice of placements

    Activity 3: Where are children ‘looked after’?

    0 hours 20 minutes

    2 Representing symmetries

    In Section 2 we develop an algebraic notation for recording symmetries, and demonstrate how to use the notation to calculate composites of symmetries and the inverse of a symmetry.

    Click the link below to open Section 2 (9 pages, 504KB).

    Section 2


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    The Vel d'Hiv Roundup
    Holocaust Survivors from Paris describe their arrest by French policemen and subsequent imprisonment in the Winter Stadium - Velodrome d'Hiver (Vel d'Hiv) in Paris in July 1942. 13,000 Jews were detained at the Vel d'Hiv prior to being deported to concentration camps and death camps. During the Holocaust, about a quarter of the 330,000 Jews of France were deported to death camps in Eastern Europe. About 3% of the deportees survived. Mirka Mora, Joseph Kogan, Eva Gluckman, Cecile Kaufer and Ma
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    3 Conclusion

    This course argued that managers should seek out and listen to service users' views, and considered some of the problems in doing this as well as models that are effective. It is not always straightforward or easy to engage service users in consultation but, like Jane Reast, the practice-led manager will think it is important to hear directly from service users, rather than always having knowledge and information mediated through the accounts of frontline workers.


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    4.3.2 Competing processes

    Let's look graphically at the way the rate of a thermally activated process changes with temperature. Figure 16 shows two rates with different activation energies of 1.0 and 0.5 eV – which curve is which?

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    Mabel Holmes' Diary, 1935-1939, part 2
    Mabel Holmes, a longtime Topeka resident, kept a daily diary from January 1, 1935-December 31, 1939. During this time, storms resulting from the severe drought conditions blanketed the state in dust so thick that it could be pitch black in the middle of the day; Kansans were coping with an economic depression even worse than our current one; the threat of a second World War in Europe was looming. Against this backdrop, Mabel talks about the news, weather, shopping, outings with her sister, Elma
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    4.7 T is for Timeliness

    The date when information was produced or published can be an important aspect of quality. This is not quite as simple as saying that 'good' information has to be up to date.

    Activity 9

    Here is an example of a ne
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    3.3 Dams

    To economize on constructional materials and costs, it is desirable to build a dam at a narrow part of a valley so that the dam can be kept as short as possible. The quantity of constructional materials needed to build dams, and their cost, can be enormous. The Aswan High Dam, built during the 1960s, cost £400 million for a 1.2 km dam. Though shorter than the Aswan High Dam, the longest dam in Britain, the Kielder Dam in Northumberland (Author(s): The Open University

    1.4.3 Protein domains

    An important concept in protein structure is that of the protein domain. In many cases, a single polypeptide can be seen to contain two or more physically distinct substructures, known as domains. Often linked by a flexible hinge region, these domains are compact and stable, with a hydrophobic core. Domains fold independently of the rest of the polypeptide, satisfying most of their residue–residue contacts internally. Typically, two or more layers of secondary structural elements eff
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    Acknowledgements

    The content acknowledged below is Proprietary (see terms and conditions) and is used under licence.

    Grateful acknowledgement is made to the following sources for permission to reproduce material in this unit:

    The content acknowledged below is Proprietary and is used under licence.

    Chapter 5

    The material acknowledged below appears in : Connecting with children: developing working relationships, edited by Pam Foley and Stephen
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    14.71 Economic History of Financial Crises (MIT)
    This course gives a historical perspective on financial panics. Topics include the growth of the industrial world, the Great Depression and surrounding events, and more recent topics such as the first oil crisis, Japanese stagnation, and conditions following the financial crisis of 2008.
    Author(s): Temin, Peter

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    References

    Anderson, M.S. (1987) Europe in the Eighteenth Century 1713–1783, 3rd edn, Harlow, Longman.
    Aston, N. (1990) Religion and Revolution in France 1780–1804, Basingstoke, Macmillan.
    Barzun, J. (2000) From Dawn to Decadence: 500 Years of Western Cultural Life, New York, Harper Collins.
    Benham, W. (1902) The Poeti
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    Netiquette
    Just like there is a set of rules for behaving in public there are a set of rules for behaving online.  These rules should be applied when you are emailing, in chat rooms, blogging, or IMing.  Always think before you type!
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    22.313J Thermal Hydraulics in Power Technology (MIT)
    This course covers the thermo-fluid dynamic phenomena and analysis methods for conventional and nuclear power stations. Specific topics include: kinematics and dynamics of two-phase flows; steam separation; boiling, instabilities, and critical conditions; single-channel transient analysis; multiple channels connected at plena; loop analysis including single and two-phase natural circulation; and subchannel analysis.
    Author(s): Buongiorno, Jacopo

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