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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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1.4 The context of photographs

When this picture first appeared in newspapers and magazines in 1972, it was to be found next to a caption and in many cases a supporting article as well. The caption text might have been simply descriptive (in most cases, probably taken from the agency caption supplied with the photograph). Where there was also an article, this would have been a text that placed the image in context, either in terms of the specific event of which the photograph is a direct record, or in terms of a wider acco
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7.2 Working on improving your number skills

The three-stage framework for developing and improving your skills provides the basis for you to become more confident in:

  • developing a strategy for using a variety of numerical and mathematical skills, including being clear about what you want to achieve, identifying relevant sources of information that will help you to achieve your goals, and planning how you intend to improve your skills;

  • monitoring your progress and critically ref
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3.4 Decreasing by a percentage

Discount can be calculated in the same way as an increase by a percentage. For example, £8 with 15% discount means you actually pay

  £8 less (15% of £8)

  15% of 8 = × 8 =
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Sistemas de gestión de la energía
El curso tiene como objetivo ofrecer los conocimientos necesarios para diseñar e implantar sistemas de gestión de la energía siguiendo las directrices de la norma ISO 50001. El curso combina los aspectos más teóricos con la presentación de diferentes casos prácticos en diferentes tipos de organizaciones. Con esta finalidad, el curso incluye los siguientes contenidos: •Aspectos básicos de los sistemas de gestión energética. •Introducción a la norma ISO50001. •Procedimiento para
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The banking crisis: cause and effect
Autumn 2008 witnessed a global financial crisis with governments worldwide taking emergency action to prevent a collapse of the banking system. The aftermath of the worst financial crisis since the 1930s saw economic activity slump. In the UK, higher unemployment, falling house prices and a sharp increase in government debt proved to be the alarming legacy of the near implosion of the banking system. This fascinating insight into the downfall of the global financial markets gives us a clear unde
Author(s): The iTunes U team

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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

Introduction

Esta unidad se basa en un documental, un reportaje grabado en Buenos Aires, Argentina. Preste atención a la información extra que llevan las imágenes. Va a desarrollar diferentes estrategias para trabajar con el vocabulario y para mejorar la comprensión.

This OpenLearn course is an adapted extract from the Open University course L314 Author(s): The Open University

6.4 Prospect theory

Kahneman and Tversky (1979) developed ‘prospect theory’ to describe this combination of risk and loss aversion. This suggests that whether an individual is risk seeking or risk averse will depend on where they are in relation to a personal reference point. The reference point divides the area where they feel as if they are in loss from the area where they feel they are in gain. This point is not usually zero, and will change over time. For example, a professional financial trader who is p
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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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Babbage: Fluid intelligence

Zapping the brain with a weak electric current enhances its visual cortex. Is this a way to help squeeze more value out of our grey matter? Also, how a new miniature phone camera is making us rethink every aspect of photography. And why whales have become so good at filtering food. Hal Hodson hosts.
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3 Problems with quantification

One of the main problems with the medicalisation of death and dying is the idea that science has all the answers. Illness and dying carry the same degree of unpredictability and uncertainty as all everyday life events. So when service providers draw on medical knowledge and experience to offer some certainty and in one way to quantify the dying experience, it can be difficult to challenge. Indeed, there is a tension between wanting certainty and hoping for things to be different. Campaigner a
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21L.703 English Renaissance Drama: Theatre and Society in the Age of Shakespeare (MIT)
Shakespeare "doth bestride the narrow world" of the English Renaissance "like a colossus," leaving his contemporaries "walk under his large legs and peep about" to find themselves in "dishonourable graves." This course aims in part to correct this grave injustice by surveying the extraordinary output of playwrights whose names have largely been eclipsed by their more luminous compatriot: Marlowe, Jonson, Webster, and Ford, among others. Reading Shakespeare as just one of a group of practitioners
Author(s): Raman, Shankar

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Ghana: Introduction to Kente weaving
A short history of the tradition of the Kente weavers in the Ashanti region of Ghana. Nana Asante Fremprong, a local businessman and master weaver, describes the method and skills involved in the process and how it's been updated without the loss of traditional values
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Learning outcomes

By the end of this unit you should be able to:

  • demonstrate a critical understanding of the nature and boundaries of personal and professional discretion and judgement in the delivery of social work services; recognising the complex tensions between personal and social processes in people's lives;

  • demonstrate an understanding of the complex relationship between justice, care and control and the practical and ethical effects of this relationship.


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Hard drive in action
This video illustrates how a hard drive works by showing it in action. The narrator also describes what the hard drive is doing. (2:20)
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Creacion/Creatividad: Evaluando Dise?os Arquitect?nicos con Realidad Virtual (Creation/Creativity: E
?Can the computer improves the architectural creativity? This question is explored through a Virtual-Reality system developed for the modeling of timber structures, based on parametric elements, constructive programming and immersive visualization on real-time. Making experiences of evaluation with advanced students of architecture, whose use the system in the beginning of projects, compared with other group use not the system. This research faces the possibilities to rationalizate part of the c
Author(s): Alvarado, R.G., Vild?sola, G.V., Parra, J.C. and J

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5.2 Studying the materials

This is the period when you will be working on your course materials in preparation for the assignment. This may include working through written or electronic texts, any other associated reading or media components, possibly attending a tutorial, accessing any other information that you need and making notes or records of it. Some courses give you a lot of direct guidance on how to work through the course materials; others present you with a range of options and routes. Some courses, particul
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4.7 Summary

  • The social sciences have generated a range of explanations of criminal behaviour, running on a spectrum from overwhelmingly structural causes to overwhelmingly agency-driven causes.

  • Structural explanations locate the causes of criminality in abnormal or deviant biologies, pathological or problem families and deviant sub-cultures.

  • Agency-driven explanations, like rational choice theory, argue that crimes are an every-day exp
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21G.711 Advanced Spanish Conversation and Composition (MIT)
En este curso el estudiante perfeccionará su comunicación oral y escrita mediante el estudio y la discusión de temas relacionados al impacto social y cultural de la ciencia y la tecnología en ciertas sociedades hispanas. Algunos de los temas a tratar son los efectos de los cambios tecnológicos en la estructura familiar y comunitaria, en las relaciones entre los sexos, en la identidad personal y cultural, en el mundo natural y en los sistemas de valores, la religión, la educación y el trab
Author(s): Groeger, Margarita Ribas

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1.5 Accountability

Social workers have to act within the law and can be called upon to justify their actions to courts and managers as well as to service users. The law can define a worker's accountability in some detail. Furthermore, service users have a right to complain. Social workers are also employees and thus can be called upon to justify their actions to their line management and agency; this will be outlined by their agency requirements.


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