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2.3.1 Perfect diamagnetism

Diamagnetism is due to currents induced in atomic orbitals by an applied magnetic field. The induced currents produce a magnetisation within the diamagnetic material that opposes the applied field, and the magnetisation disappears when the applied field is removed. However, this effect is very small: the magnetisation generally reduces the applied field by less than one part in 105 within the material. In diamagnetic material, B = μμ0H
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Try some yourself

1 Find the volumes of these objects.


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STS-135 Daily Mission Recap - Flight Day 13
A video recap of flight day 13 of the STS-135 mission of space shuttle Atlantis to the International Space Station.
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Sherpa community mourns for those killed in Everest's avalanche
Subscribe: http://smarturl.it/reuterssubscribe Nepalese march in honor of the Sherpas who were killed in Friday's avalance on Mount Everest. Nathan Frandino reports. Subscribe: http://smarturl.it/reuterssubscribe More 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 globe and across topics including business, financial, national, and international news.
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3.5 Reactions and reflections

Activity 8

0 hours 15 minutes

Read the Case Study ‘Sarah's story: Sarah and John’

Make notes on the reactions presented in the Case Study.

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Hey, Sleepyhead!
Get students moving with his video for students for kindergarten through third grade. The exercises do not take up too much floor space and students can do the exercises at their desks. The video shows that students with limited movement can do the movements, as well.  The music featured is fast-paced 'pop' music. (05:01)
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Darwin and Evolution
2009 marks the 200th anniversary of the birth of Charles Darwin and the 150th anniversary of the publication of On The Origin Of Species. This album introduces Darwin's great revelation: that species change and adapt according to their environment. Apparently diverse specimens and fossils reveal surprising results, such as the common ancestry of the hippopotamus and the dolphin, whose evolutionary paths diverged when their habitats changed. Research on sparrows show how particular characteristi
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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

References

Alaszewski, A. (1986) Institutional Care and the Mentally Handicapped: The Mental Handicap Hospital, Croom Helm, London.
Atkinson, D. (1997) An Auto/biographical Approach to Learning Disability Research, Ashgate, Aldershot.
Binney, M. (1995) ‘Introduction’ in Philips, E. Mind Over Matter: A Study of the Country's Threatened Mental Asylums, SAVE Britain
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2 The role of the governing body

When performance review was first introduced, many governing bodies felt unable to undertake the role with confidence. They felt they were being asked to judge teachers and, particularly, headteachers, and were not comfortable with this.

Although the governing body is responsible for the performance management process in the school, it is not the role of the governing body to monitor the work of individual teachers. This is the task of the headteacher, or other appropriate
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7.3.1 Physical methods for demonstrating an interaction between proteins

To identify those unknown proteins in a complex mixture that interact with a particular protein of interest, protein affinity chromatography can be used (Figure 49a). This approach uses a ‘bait’ protein attached to a matrix. When this baited matrix material is then exposed to a mixture of proteins, only proteins that interact with the
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Base pairing

Nucleic acid folding patterns are dominated by base pairing, which results from the formation of hydrogen bonds between pairs of nucleotides. In nucleic acids, as in proteins, the highly directional nature of this hydrogen bonding is the key to secondary structure.

SAQ 5


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4.1 Legacy technology

The aim of Section 5 is to examine some of the issues and problems which affect the devekopment of Internet, e-commerce and e-business applications.

The World Wide Web was developed as a way of dispensing documentation within the large research laboratory at CERN in Geneva. I am sure that the originator of the technology, Tim Berners-Lee, did not realise at that stage how it would expand and become a major component of our economic infrastructure. Because many of the developers o
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Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence

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


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Except for third party materials and/or otherwise stated (see terms and conditions) the content in OpenLearn is released for use under the terms of the Creative Commons Attribution-NonCommercial-Share

1.2 What determines the Earth's GMST?

The Sun is the ultimate source of energy for the Earth's climate. A planet such as the Earth will have a stable temperature as long as there is a balance between the rate at which energy comes in from the Sun and the rate at which it is returned to space by the planet. If the two rates fail to match, the planet will either warm up or cool down until a balance is restored. Thus, it is appropriate to begin with a review of this global balancing act. The heart of the matter is that the energy fl
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Distintas citas de personas famosas

Actividad 9

En esta actividad va a leer distintas citas de personas famosas. Utilice un diccionario bilingüe si encuentra palabras que no entiende.

1 Lea las siguientes citas y utilice las palabras que aparec
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8.1 Introducción

In this session you are going to talk about some city hotels in Havana, Valencia, Barcelona and Santiago de Cuba, and find out about their local amenities and suitability for tourism.

Key learning points

  • Talking about location

  • Indicating approximate time and distance

  • Revision of adjectives


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1 The Adur Carers Project

1.6.4 Vitamin B6 (pyridoxine)

Vitamin B6 is composed of pyridoxine and two closely related compounds. It is found in small quantities in many foods, though it can be destroyed in the cooking process. No clear deficiency disease has been recognised in humans as being directly caused by lack of this vitamin, since it is often found in conjunction with other B vitamins and their absence has greater effects. Its main role is in the conversion of some amino acids into other ones, depending on the requirements of the
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Learn French - Dans la Cuisine, Part 1 (In the Kitchen)
In this video the instructor recites various words that are associated with the kitchen in French.  For beginning learners. The words appear at the bottom of the screen as they are recited.
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1 Caring: a family affair

Dream parents

Mummy would love me, daddy would too,

We'd go out on picnics or off to the zoo,

We would play in the park and feed the birds,

Listen to their songs and imagine their words.

My life would be full of joy and laughter,

All because they cared, my mother and father,

Never would I feel all cold and alone,

Knowing that I could always go home.

They wo
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