Results 51 to 60 of about 516,402 (288)

The Realization of Interactive Television Services

open access: yesTongxin xuebao, 1995
in this paper,the eminent role of CATV networks in the development of China’s Information Superhighway is pointed out,while limitted role will be revealed for the development of interactive television in telephone networks;the key techniques of terminal ...
Du Baichuan
doaj   +2 more sources

Stacked scattering: The key to bright flowers lies in the mesophyll

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise The coloration of flowers is caused by wavelength‐selective absorption by pigments and scattering of light by floral structures. Although the molecular, physiological, and chemical properties of floral pigments have been studied in considerable detail, how floral structures contribute to the visual signal remains largely unknown.
Larissa De Paola   +5 more
wiley   +1 more source

Parents' WhatsApp coping resources in the context of ongoing political conflicts: An ecological exploration

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract Mobile technologies have become significant resources for crisis communication and social support in recent years. However, despite empirical evidence pointing to the centrality of these technologies for parenthood in everyday life, it is yet unknown how parents' coping resources play a role in the digital environment.
Daphna Yeshua‐Katz   +2 more
wiley   +1 more source

Closed circuit TV system automatically guides welding arc [PDF]

open access: yes, 1968
Closed circuit television /CCTV/ system automatically guides a welding torch to position the welding arc accurately along weld seams.
Stephans, D. L., Wall, W. A., Jr.
core   +1 more source

The Insistence of Blackness and the Persistence of Antiblackness in Ireland

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT This paper positions Ireland as a critical site for examining the insistence of blackness and an antiblackness created and sustained through Irish ethnonationalist imaginaries and exclusionary processes. Drawing on connected sociologies and Irish Black Studies, this enquiry argues that antiblackness in Ireland operates as a generational force,
Philomena Mullen
wiley   +1 more source

Digital Radio in Brazil: Not left, nor right. Let’s move forward | Radio Digital no Brasil: nem à esquerda, nem à direita. Vamos em frente

open access: yesLiinc em Revista, 2017
RESUMO Este artigo se volta para a iminente definição do Sistema Brasileiro de Rádio Digital (SBRD), tendo como objeto privilegiado de análise o middleware Ginga, desenvolvido para a TV Digital Interativa Brasileira. Aponta para a importância da pesquisa
Thiago Oliveira da Silva Novaes
doaj   +1 more source

Digital switchover and the role of the new BBC services in digital television take-up [PDF]

open access: yes, 2005
This paper discusses the process of digital switchover and assesses the role the BBC services have played in driving overall digital take-up and therefore bringing forward the likely date of analogue switch-off. The first part examines the advantages and
Iosifidis, P.
core   +1 more source

Broadening the semiaquatic scene: Quantification of long bone microanatomy across pinnipeds

open access: yesThe Anatomical Record, EarlyView.
Abstract Investigations of bone microanatomy are commonly used to explore lifestyle strategies in vertebrates. While distinct microanatomical limb bone features have been established for exclusively aquatic and terrestrial lifestyles, identifying clear patterns for the semiaquatic lifestyle remains more challenging.
Apolline Alfsen   +10 more
wiley   +1 more source

Dijital Televizyon Dizilerinde Hegemonik Erkeklik

open access: yesErciyes İletişim Dergisi, 2019
Hızlı teknolojik gelişimler sonucunda oluşan dijital televizyonların içeriğini, hem halihazırda var olan yapımlar hem de kendi platformlarına özel çekilmiş belgeseller, filmler ve diziler oluşturmaktadır.
Züleyha Özbaş Anbarlı
doaj   +1 more source

Analysis of interference to cable television due to mobile usage in the Digital Dividend [PDF]

open access: yes, 2010
The start of use of mobile applications in the 800 MHz band, which forms part of the ‘Digital Dividend’, will cause interference to TV signals under certain conditions.
Arts, A.H.P.   +8 more
core   +1 more source

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