Results 31 to 40 of about 22,464,032 (340)
A Study of Energy Band Gap Temperature Relationships for Cu2ZnSnS4 Thin Films
, 2011 The temperature dependent band gap energy of Cu2ZnSnS4 thin film was studied in the temperature range of 77 to 410 K. Various relevant parameters which explain the temperature variation of the fundamental band gap have been calculated using empirical and
Free, Michael L, Sarswat, Prashant K
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The cost-effectiveness of smoking cessation support delivered by mobile phone text messaging: Txt2stop. [PDF]
, 2012 BACKGROUND: The txt2stop trial has shown that mobile-phone-based smoking cessation support doubles biochemically validated quitting at 6 months. This study examines the cost-effectiveness of smoking cessation support delivered by mobile phone text ...
Cairns, John +5 more
core +2 more sources
JIME Editorial: Researching Open Content for Education
Journal of Interactive Media in Education, 2008 This special issue of the Journal of Interactive Media in Education (JIME) builds from selected papers from the OpenLearn2007 conference [1] where researchers were invited to report on their research across themes of software and tools, user experience ...
Patrick McAndrew +3 more
doaj +1 more source
The United States and Elections in Africa (2015–2018) [PDF]
Ученые записки Института Африки Российской академии наук, 2019 As a self-proclaimed “Global Leader” the United States have made “the assertion, advancement, support and defense of democracy” throughout the world one of the pillars of their foreign policy.
URNOV Andrey Yurievich
doaj +1 more source
Internet Archaeology, 2010 Since being left to my own devices by Judith Winters, who is away on maternity leave, I have had plenty of time to engage with the diverse range of research collected in this issue of Internet Archaeology.
Zoë Devlin
doaj +1 more source
Characterising the ‘Txt2Stop’ Smoking Cessation Text Messaging Intervention in Terms of Behaviour Change Techniques [PDF]
, 2012 The ‘Txt2Stop’ SMS messaging programme has been found to double smokers’ chances of stopping. It is important to characterise the content of this information in terms of specific behaviour change techniques (BCTs) for the purpose of future development ...
Free, Caroline +2 more
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Frontiers in Pharmacology, 2022 The full coverage policy for essential medicines (FCPEMs) was proposed and implemented in Taizhou city of Zhejiang Province, China, to promote equal access and adherence to medicines.
Zhigang Guo +9 more
doaj +1 more source
Millimeter Wave Substrate Integrated Waveguide Antennas: Design and Fabrication Analysis [PDF]
, 2009 The paper presents a new concept in antenna design, whereby a photo-imageable thick-film process is used to integrate a waveguide antenna within a multilayer structure. This has yielded a very compact, high performance antenna working at high millimeter-
Batchelor, John C. +4 more
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Cell-Free Massive MIMO Versus Small Cells [PDF]
IEEE Transactions on Wireless Communications, 2016 A Cell-Free Massive MIMO (multiple-input multiple-output) system comprises a very large number of distributed access points (APs), which simultaneously serve a much smaller number of users over the same time/frequency resources based on directly measured
H. Ngo +4 more
semanticscholar +1 more source
Surfactant-free synthesis and magnetic property evaluation of air-stable cobalt oxide nanostructures
Nano Express, 2023 We report the synthesis of metastable cobalt oxide (CoO) nanostructures via the low-temperature microwave-assisted solvothermal (MAS) process. An alcoholic solution of cobalt (II) acetylacetonate in a sealed vessel was irradiated with microwaves at a ...
Naveen Joshi +2 more
doaj +1 more source