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5.8.1 Nitrate removal

Nitrate in water has become a significant problem and the EU Directive sets a maximum admissible concentration of 50 g m−3 measured as NO3. This is equivalent to 11.3 g m−3 as N. High nitrate levels can cause cyanosis or methaemoglobinaemia in babies. Legislation allows the designation of nitrate-vulnerable zones and these help to prevent nitrate levels in natural waters increasing in affected areas.

Ion exchange is used in some
Author(s): The Open University

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The second Space symposium- learning spaces
This presentation discusses the various elements that deem enterprise education spaces as fit for purpose
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Researcher attacking Zika virus by stirring up mosquitoes’ taste buds
Summer is here, and the United States is bracing for the mosquito-transmitted Zika virus. A Vanderbilt researcher is working on one way to stop the spread of the disease – by revving up the mosquito’s taste buds.
Author(s): Vanderbilt News and Communications

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College Physics with Concept Coach
OpenStax College
This introductory, algebra-based, two-semester college physics book is grounded with real-world examples, illustrations, and explanations to help students grasp key, fundamental physics concepts. […]

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Iraq's MOD releases video of its planes striking IS targets
Iraqi planes target Islamic State positions and vehicles in Kirkuk, Falluja and Salahuddin, Ministry of Defense says. 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 globe and across topics including business, financial, national, and international news. F
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The Biological Mysteries of Kimchi (Mandarin)
Kimchi is a spicy pickled cabbage dish eaten in Korea and China. Using Kimchi as a teaching vehicle, this lesson is about how plants absorb and lose water. The lesson has three main learning/teaching goals. The first main learning goal is to understand that plants absorb and lose water through cells. The second is to learn how to observe the plasmolysis of plants. The third one is to understand the principle of osmosis in plant cells. As a prerequisite to this lesson, students should know about
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3.2 Using diagrams of your own choice and design

This option is the most challenging and most rewarding, as it clearly shows that you have explored and analysed the source material and reworked it for yourself. In many cases, the source material may not contain any diagrams, simply text or numbers, perhaps expressed as a table. Alternatively, you may have had to make some specific observations or undertake an experiment to produce your own data. In this case, you may be expected to produce a diagram to enhance or improve your assignment. If
Author(s): The Open University

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Calendar of letter-books of the city of London: G - 1352-1374
Calendars the letters of the City of London, arranged in approximate chronological order. Includes editorial introduction and indices.
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How To Sell Athletic Footwear
This is a website focused on helping people engage with consumers and find their needs. Although it is focused on selling athletic footwear, it presents information that is applicable to many sales situations.
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Lesson 04 - One Minute Luxembourgish
In lesson 04 of One Minute Luxembourgish you will learn how to say that you don't understand something. Remember - even a few phrases of a language can help you make friends and enjoy travel more. Find out more about One Minute Languages at our website - http://www.oneminutelanguages.com. One Minute Luxembourgish is brought to you by the Radio Lingua Network and is ©Copyright 2008.Author(s): No creator set

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Kerry, Zarif arrive in Lausanne for nuclear talks
Subscribe: http://smarturl.it/reuterssubscribe U.S. Secretary of State John Kerry arrives in Lausanne for a decisive round of nuclear talks with Iranian foreign minister Mohammad Javad Zarif. Rough Cut (no reporter narration). 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 inc
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Kerry urges Russia to join U.S. in helping Ukraine
Subscribe: http://smarturl.it/reuterssubscribe More Breaking News: http://smarturl.it/BreakingNews Feb. 27 - While pro-Russian Crimeans cheer referendum announcement by regional parliament speaker, Washington urges Russia to respect Ukraine's territorial integrity. Gavino Garay reports. 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, a
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1.2.2 Choosing keywords

Keywords are significant words which define the subject you are looking for. The importance of keywords is illustrated by the fact that there is a whole industry around providing advice to companies on how to select keywords for their websites that are likely to make it to the top of results lists generated by search engines. We often choose keywords as part of an iterative process; usually if we don't hit on the right search terms straight off, most of us tweak them as we go along based on t
Author(s): The Open University

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Iftar for refugees in Pakistan
Residents in Pakistan's Bannu region organize Iftar meal for fasting families who have fled the violence in North Waziristan. Deborah Lutterbeck reports. 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 globe and across topics including business, financial, national, and international news.
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Job interviews
Job Interviews is one of several Futures workbooks which help students choose and prepare for their careers. Like the other workbooks in the series you can dip in and out doing the exercises which are most relevant to you. You might want to include the exercises or the output in your personal development plan or e-portfolio. Interviews are still the most commonly used method for assessing a person’s suitability for a job. In the UK 99 per cent of employers use selection interviews to recruit
Author(s): Leeds Metropolitan University

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The Life of Ethan Allen, American Revolutionary War Patriot, Part 1 (Audio)
Audio podcast with excellent references. At Wikipedia.org Ethan Allen’s life is covered. "Ethan Allen (January 21, 1738 [O.S. January 10, 1737] – February 12, 1789) was a farmer; businessman; land speculator; philosopher; writer; and American Revolutionary War patriot, hero, and politician. He is best known as one of the founders of the U.S. state of Vermont, and for the capture of Fort Ticonderoga early in the American Revolutionary War along with Benedict Arnold."

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Episode 146: Azure Tooling in Visual Studio with Boris Scholl and Catherine Wang | Microsoft Azure C

In this episode Nick Harris and Chris Risner are joined by Boris Scholl and Catherine Wang, Program Managers on the Azure Tools Team.  In this session Boris and Catherine demonstrate Visual Studio tooling to create new web projects which will also generate either an Azure Web Site or Azure Virtual Machine automaticall
Author(s): Nick Harris, Chris

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Race, Ethnicity & Identity 2014
Professor Steve Abid: "The Last Innocent Year: America in 1964" Documentary and Panel Discussion
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Hebrew Project

Video link (see supported sites below). Please use the original link, not the shortcut, e.g. www.youtube.com/watch?v=abcde

Author(s): dk_mccargar

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1 The experience of‘old age’

Extract 1 Mrs Pullen

I don't think I mind being old, I try very hard to accept that I am old, but what makes it harder is that people think that old age is a write-off … The reason it's brought home to you with such a jolt is because you give up work. You have to give up work – s
Author(s): The Open University

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