Results 21 to 30 of about 3,673,797 (174)

Development of Ultra-Broadband Base Station Antenna for All Mainstream LTE 700/800/900 MHz Frequency Bands

open access: yesInternational Journal of Antennas and Propagation, 2014
LTE deployment is being accelerated due to its improved radio access structure meeting the requirements of current and next generation of wireless networks.
Doudou Samb   +3 more
doaj   +1 more source

Smart Self-Coherent Optical Communication for Short Distances

open access: yesFrontiers in Communications and Networks, 2022
We proposed and investigated a high-performance, energy-efficient, and low-cost self-homodyne coherent detection transmission (SHCDT) system for the 5G access network segment assuring high capacity and light digital signal processing (DSP) at the same ...
Pantea Nadimi Goki   +4 more
doaj   +1 more source

“Too good to be true!”: The effectiveness of CSR history in countering negative publicity [PDF]

open access: yes, 2008
Corporate crises call for effective communication to shelter or restore a company’s reputation. The use of corporate social responsibility (CSR) claims may provide an effective tool to counter the negative impact of a crisis, but knowledge about its ...
Grobben, Bas, Vanhamme, Joëlle
core   +2 more sources

Fertility issues among pediatric oncology patients – short communication [PDF]

open access: yesRomanian Journal of Pediatrics, 2023
Childhood cancer survival rates are constantly improving due to treatment. Fertility research has focused on adult cancer patients, but studies among childhood cancer survivors who reach reproductive age are rare and mainly based on small numbers of ...
Vlad Dima   +5 more
doaj   +1 more source

Design techniques for low-power systems [PDF]

open access: yes, 2000
Portable products are being used increasingly. Because these systems are battery powered, reducing power consumption is vital. In this report we give the properties of low-power design and techniques to exploit them on the architecture of the system.
Havinga, Paul J.M., Smit, Gerard J.M.
core   +3 more sources

Short Communication: Synthesis of 2-(Chiral Alkyl) Oxazolines [PDF]

open access: yesمجلة جامعة النجاح للأبحاث العلوم الطبيعية, 1989
A modified Vorbruggen method has been used to prepare 2 - ( chiral alkyl ) oxazoline with phenyl and aminoacid residue. Other methods of preparation have been tested.
Rajah Abu El-Halawa
doaj   +1 more source

The Effect of blended Method of education on Students` Satisfaction [PDF]

open access: yesمجله ایرانی آموزش در علوم پزشکی, 2017
short ...
Maliheh Poorkiani   +1 more
doaj  

Night shift work and breast cancer risk: what do the meta-analyses tell us?

open access: yesScandinavian Journal of Work, Environment & Health, 2018
OBJECTIVES: This paper aims to compare results, assess the quality, and discuss the implications of recently published meta-analyses of night shift work and breast cancer risk.
Manisha Pahwa   +2 more
doaj   +1 more source

Neonatal mortality post ISIS conflict in Iraq

open access: yesمجلة كلية الطب, 2018
Neonatal mortality is an indicator to assess maternal and neonatal care.1 Iraq has been suffering from wars, economic hardship, terrorism and internal displacement for last 4 decades.2 The impact of such suffering on health was reported.3 However, the ...
Sally S. Bash, Eman A. AL-Kaseer
doaj   +1 more source

Mink SARS-CoV-2 infection in Poland – short communication

open access: yesJournal of Veterinary Research, 2021
Since April 2020, when the first SARS-CoV-2 infection was reported in mink and subsequently in mink farm workers in the Netherlands, it has been confirmed that human-to-mink and mink-to-human transmission can occur.
Domańska-Blicharz Katarzyna   +11 more
doaj   +1 more source

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