685 resultados para broadcast encryption


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Some issues have also distinctive titles.

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Description based on: 3 Mar. 1969; title from cover.

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Title from cover.

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Issued Jan. 1980-

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Caption title.

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Each no. issued in 3 or 4 pts., the titles of which vary according to the region currently covered.

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Description based on: 11th ed., 1952; title from cover.

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Mode of access: Internet.

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"Satellite broadcast, September 21-23, 1999."

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Thesis (Ph.D.)--University of Washington, 2016-06

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Using the work and ideas of French theorist Michel Foucault the writer examines s 3LA of the Crimes Act, which provides law enforcement officers with power to compel a person to reveal their private encryption keys and other personal information, and concludes that such a section creates fear, redirects flow of power between law enforcement agencies and citizens, and creates resistance.

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his paper analyzes the discursive construction and contestation of ‘leaked’ stories in news broadcast programmes. Drawing on a sample of BBC Radio 4 news programmes recorded between May and June 2000, we analyze four items of news presented as leaks about upcoming events. We suggest that these examples highlight the leaking of information as a valuable newsworthy commodity in that it not only allows news organizations to report what is going to be news before it happens but also enables speculative discourse as to the meaning of the event yet to happen. However, in order for a story to be accepted as a leak it must be seen to fulfil a number of criteria. With this in mind, we identify four features accompanying the introduction of the news items as leaks in the process of authentification: secrecy, authorship/ownership and future orientation. The article then discusses how these features are used when contesting the status of a news story as a leak, and how temporal play contributes to downgrading the content of the leak and, hence, its relevance, immediacy and newsworthiness.

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The effects of the herbicide diuron on the early life history stages of broadcast spawning and brooding corals were examined in laboratory experiments. Fertilisation of Acropora millepora and Montipora aequituberculata oocytes were not inhibited at diuron concentrations of up to 1000 mu gl(-1). Metamorphosis of symbiont-free A. millepora larvae was only significantly inhibited at 300 mu gl(-1) diuron. Pocillopora damicornis larvae, which contain symbiotic dinoflagellates, were able to undergo metamorphosis after 24h exposure to diuron at 1000 mu gl(-1). Two-week old P. damicornis recruits on the other hand were as susceptible to diuron as adult colonies, with expulsion of symbiotic dinoflagellates (bleaching) evident at 10 mu gl(-1) diuron after 96 h exposure. Reversible metamorphosis was observed at high diuron concentrations, with fully bleached polyps escaping from their skeletons. Pulse amplitude modulation (PAM) chlorophyll fluorescence techniques demonstrated a reduction in photosynthetic efficiency (Delta F/F'(m)) in illuminated P. dami- cornis recruits after a 2h exposure to 1 mu gl(-1) diuron. The dark-adapted quantum yields (F-v/F-m also declined, indicating chronic photoinhibition and damage to photosystem H. Crown Copyright (c) 2004 Published by Elsevier Ltd. All rights reserved.

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This article presents information on the September 2005 issue of the "Australian Journal of Communication." The papers by Dunn and Churchman in this issue of the journal were delivered at the very successful Annual Conference of the Australian and New Zealand Communication Association, hosted by Colleen Mills at the University of Canterbury, Christchurch, New Zealand, in July 2005. Dunn's presidential address, on the importance of maintaining public broadcasting, is based on her longterm work at the Australian Broadcasting Commission and her current research at the University of Sydney. Many of the other papers in this issue are related to politics and the media in Australia and New Zealand. Cover discusses how the processes of digitisation and a user-based taste for interactivity have far-reaching broadcast television. In her paper, van Vuuren compares the policy and regulation, practice, and theoretical development of the community broadcasting and community information and communication technology (lCT) sectors in Australia, arguing that the ICT sector can benefit from a knowledge of the way in which the older community broadcasting sector has demonstrated an ability to deliver its services with very limited government support.