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2.2 Degradation, dissolution and corrosion

A variety of common terms are used to describe the ways in which structural materials can be attacked by environments and although they do have specific connotations, they are frequently used as blanket terms for material deterioration. I shall attempt to define them in a more specific way, namely:

  • Degradation: loss of strength of non-metals such as wood, rope or textile.

  • Dissolution: removal of material in solution owing to the attac
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9 Conclusion

In this unit we have explored the mutual constitution of personal lives and social policy through an analysis of the implications of different aspects of citizenship on the lives of refugees and asylum seekers. We have seen that legislation, social policy and practice concerned with asylum have profound effects on personal lives. Crucially, we saw that the very words used to describe people, their access to welfare, rights to work, legal status and the procedures for becoming a British citize
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Learning outcomes

After studying this unit you will:

  • have developed a systematic understanding of knowledge and a critical awareness of issues in inclusive education;

  • be able to reflect critically upon and analyse your own perspective, and that of others, regarding inclusion;

  • be able to analyse and develop successful inclusive learning practices;

  • be able to identify conceptual frameworks appropriate for investigating inclusion issues, examining the inc
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1.9 Summary and conclusion: ‘take-away messages’

It helps to understand the PhD in context: the modern PhD is typically a three-year research training providing evidence of the ability to conduct and bring to fruition an independent programme of research. It requires rigour and an ability to enter the discourse, but its scope is limited and it does not require perfection. Models of study and models of dissertations vary for different universities, disciplines, and topics. The key is to understand what is appropriate for your particular prog
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4.3.2 Setting goals and objectives

Whatever the structure and culture of an organisation and the range of people involved, goals and objectives are usually seen as a valuable management tool. This is as relevant to a project team as it is to a whole organisation. What I will focus on here are some of the tensions and ambiguities surrounding the management of goals, especially in the context of team development. To be effective in clarifying and achieving the team task, we need to take account of the variety of (often conflicti
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6.4 Summary of Section 6

  1. Molecules have a three-dimensional shape. Bulky irregularities in the shape of a molecule around a reactive site can exclude a potential reactant. Such effects are described as steric.

  2. A sufficient refinement of the molecular shape in the region of the reactive site can make that site specific to just one particular reactant. Many enzymes operate in this way.

  3. The shapes of simple molecules can be predicted using valence-she
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2.1 Chemical periodicity

The chemistry of the elements is immensely varied. But amidst that variety there are patterns, and the best known and most useful is chemical periodicity: if the elements are laid out in order of atomic number, similar elements occur at regular intervals.

The discovery of chemical periodicity is particularly associated with the nineteenth-century Russian chemist Dmitri Ivanovich Mendeléev (Figure 16). The periodicity is represented graphically by Periodic Tables. Author(s): The Open University

5.3 Blood vessels: veins, arteries and capillaries

The tubes that carry blood around the body can be loosely divided into two types, arteries and veins. Arteries are the tubes that take blood away from the heart. They tend to be quite large, at least a few millimetres in diameter. Veins are the tubes that carry the blood back to the heart and these are usually narrower than the arteries.

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1.1 Unit overview

BSE and vCJD are important in their own right, having had major impacts on the lives of many people. Some people have died of vCJD and their deaths will have profoundly affected those who knew them. Large numbers of cattle have died either directly or indirectly because of BSE and this has had enormous economic effects on the agriculture and food industries. As a result, many practices in these industries are profoundly different from those of two decades ago. Although fundamental research in
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10 Unit summary

The unit began by considering what factors contribute to individual differences. The case was made, with the spiders, and later with genetic diseases, that the genome was very important. Subsequent sections revealed that the external environment (e.g. maternal care, the presence of light) and the internal environment (e.g. hormones and drugs) were very important and that they can both shape and determine the development of the organism. Environmental factors, in the form of hormones and drugs
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Learning outcomes

By the end of this unit you should have:

  • a perception of the enormity of the events under discussion

  • a recognition of the kinds of ideas and incidents which may have prompted them

  • an awareness of the historical arguments surrounding the Holocaust

  • an awareness of the relationship between the Holocaust and the war.


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107th California College of the Arts Commencement Ceremony
CCA's 2014 commencement ceremony took place Saturday, May 17, 2014, at 2 p.m. at the SF Concourse Exhibition Center, a former railway station, located at 620 7th Street (between Brannan and Townsend streets). 2014 Honorary Doctorate CCA conferred upon Holland Cotter, Pulitzer Prize-winning art critic at the New York Times, an honorary doctorate degree at commencement. CCA President Stephen Beal: "Holland Cotter is one of the foremost art critics writing today. He's a man of extraordinary inte
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3.2 Natural dives

The physiology of the diving response can be studied in the laboratory, but investigating the behaviour of a diving mammal in its natural environment can be more of a problem. However, modern physiological techniques have made it possible to record continuously physiological variables (such as heart rate) and information on depth and position during the spontaneous dives in the wild that are part of the animal's normal behaviour. Most such findings show that the majority of an animal's dives
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Will Amazon Succeed in Selling Local Services?
Amazon’s recent move to advertise product-related local services faces obstacles in trust, credibility and competition from informal local networks, say experts.
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Rights not set

Al Qaeda threatens U.S. captive with "inevitable fate" if demands not met
Al Qaeda's Yemen branch has published a video purporting to show an American hostage, who identifies himself as Luke Somers, and saying he will "meet his inevitable fate," if unspecified demands are not met. Rough Cut (no reporter narration). Subscribe: http://smarturl.it/reuterssubscribe More updates and breaking news: http://smarturl.it/BreakingNews Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the
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Virtual Maths - Numbers, Geometry 2D shapes
Images of 2D shapes with formula for calculating area square, rectangle, triangle, trapezoid, parallelogram, pythagorean theorem, circle, circular sector, circular ring
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3.2 Angular size, actual size and distance

The angular size of an object is determined uniquely by its actual size and its distance from the observer. For an object of fixed size, the larger the distance, the smaller the angular size. For objects at a fixed distance, the larger the actual size of an object, the larger its angular size. For objects with small angular sizes, such as typical astronomical objects, the precise relationship between angular size, actual size and distance is well approximated by th
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2.3 Movie 5 – Small Storms Near Great Red Spot

Small Storms Near Great Red Spot

View document148.6KB video/quicktime
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Nieuwjaarsbrief : Knipoog naar de televisie
Nieuwjaarsbrief.PNG

Op zoek naar een leuke nieuwjaarsbrief? Deze actuele nieuwjaarsbrief gaat gepaard met een knipoog naar verschillende televisieprogramma's.


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3.5.1 Try some yourself

1 Answer the following questions

  • (a) What is 40% as a fraction?

  • (b) What is  Author(s): The Open University

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