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10.1 Absolute thresholds

The human ear has incredible absolute sensitivity and dynamic range. The most intense sound we can hear without immediate damage to the ear is at least 140 dB above the faintest sound we can just detect. This corresponds to an intensity ratio of 100 000 000 000 000:1. In this section, we examine how the loudness of a sound can be measured and how the perception of loudness is affected by the intensity and duration of the signal.

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Taipei tech team takes 3D printing to the streets
Subscribe: http://smarturl.it/reuterssubscribe Apr. 13 - A team of self-described geeks in Taipei have taken to the streets on a bicycle equipped with a 3D printer which they're using to turn plastic waste into useful products. They call their printer the "Mobile Fab" and say it not only helps promote recycling, but also demonstrates how technology can be applied in a socially responsible way. Tara Cleary reports. More Innovations: http://smarturl.it/Innovations Subscribe: http://smarturl.it/r
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4.1.1 More on trilobites

Many thousands of trilobite species are known, mostly from Cambrian to Silurian rocks, and all were confined to the Palaeozoic Era. By the time trilobites became extinct in the late Permian, their diversity had dwindled to a small number of species, and the group was long past its peak. The variation in trilobite form is enormous, but the basic three-lobed division of the exoskeleton is always present. The number of trunk segments varies from 2 to 40. Not all have eyes. Most are about 2-10 cm
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Animation through atrium
This animation explores the atrium of Northeastern University's planned state-of-the-art interdisciplinary science and engineering research complex, to be located in Boston's Roxbury neighborhood on Columbus Avenue. Scheduled for completion in fall 2016, the facility will provide 220,000 square feet of research and educational space. This animation was produced by the Architecture firm Payette.
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8.1 Interventions

The longer-term medical treatment of patients with identified cardiovascular diseases or significant cardiovascular disease risk factors could involve any or all of the following interventions: monitoring; medical management of risk factors; the use of medications for secondary prevention; and various stages of surgical management.


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Space to Ground: Progress 59: 5/1/15
NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station. Got a question or comment? Use #spacetoground to talk to us.
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Week tegen pesten : Vragen bij Wablieft
Stop_pesten_klein.jpg

Vraagjes bij een artikel uit de Wablieftkrant nr. 991 van 26 februari 2014Week tegen pesten, werken acties tegen …


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Curving photos for a print look
This very easy-to-follow tutorial walks you through adding a thin white border and a paper-like curve and drop shadow to your digital photo for a very realistic effect.
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Students lunch with President Kaler
Eight University of Minnesota students shared lunch and personal perspectives with the new U of M President Eric Kaler. The students were all from different degree programs and shared their concerns and hopes for the U with the President. Then, they shared their first impressions of the new President with us.
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05 Tu n’as rien vu à Hiroshima… (Vidéo)

Vincent Amiel

Professeur à l'université de Caen, enseigne l'histoire du cinéma à l'école Louis-Lumière et à l'ESRA, Paris. Il est membre du comité de rédaction de la revue Positif et critique pour la revue Esprit. Essayiste, théoricien du cinéma, de l'image et des médias, Vincent Amiel a publié de nombreux ouvrages sur le cinéma et plus largement ...
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Alpacas to Help Fight Gulf Spill?
Skip a few days of shampooing and human hair can get oily.  The link between hair and oil have lead groomers to save hair for what essentially may be giant oil absorbers. But hair get be hard to get in high volumes quickly. So four alpacas at an Alabama zoo are "donating" fleece to a group making hair-filled booms designed to keep spilled oil away from U.S. Gulf Coast shores. Run time 03:21.
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Job search
Welcome to this Futures workbook on finding work. It is split into several sections describing different techniques for finding work. You can dip in and out of the different sections; however it is not wise to rely on only one mechanism for finding work. It is a competitive market for final year students and new graduates and so you should try many alternate ways to find work.
Author(s): Laura Dean

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3.4 Environmental effects of reservoir construction

Reservoirs may totally alter the water resources of a country. Before the Aswan Dam was completed in Egypt, more than half of the 8 × 1010 m3 of water that flowed down the River Nile through Egypt each year ran into the sea. Most of the water can now be used in Egypt, mainly for irrigation, and instead of a single annual crop grown after seasonal flooding, more than one crop can be grown each year. However, advantages such as these must be considered in conjunction with
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4.4 Reducing nutrient availability

Once nutrients are in an ecosystem, it is usually much harder and more expensive to remove them than tackle the eutrophication at source. The main methods available are:

  • precipitation (e.g. treatment with a solution of aluminium or ferrous salt to precipitate phosphates);

  • removal of nutrient-enriched sediments, for example by mud pumping; and

  • removal of biomass (e.g. harvesting of common reed) and using it for thatching or
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Doing your best
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Student experiences of enterprise education
This report outlines data collected from students across a broad range of subject areas across all Faculties of Leeds Met University. This data was generated in response to a questionnaire designed to obtain information on students experiences of enterprise education
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2.5 What's this got to do with sport?

So, we've seen three ways of looking at the how the body works. This is useful science but what has this to do with sport? Do athletes really need to think about their bodies scientifically, or can they just get on and compete in their own sport?

Yes, athletes (or someone in their support team) really do have to think about their bodies in these ways. One obvious example is that athletes have to know what happens when they eat before a competition.

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In conversation with Director Tsai Ming-Lang: Stray Dogs
A short interview with Director Tsai Ming-Lang and Ms Linda Jaivin at Taiwan, the view from the south conference.
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1.2 The peptide bond and primary structure of proteins

The primary structure of a protein is defined as the sequence of amino acids of which it is composed. This sequence ultimately determines the shape that the protein adopts, according to the spatial limitations on the arrangement of the atoms in the protein, the chemical properties of the component amino acid residues, and the protein's environment.

The peptide bonds that link amino acid residues in a polypeptide are formed in a condensation reaction between the acidic carboxyl gr
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The impact of enterprise focussed modules
This presentation outlines the use of a tested research instrument (Bandura's self efficacy theory) and students own perceptions of their enterprise skills and abilities
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