Results 31 to 40 of about 46,946,015 (232)

New Insights into the Materials and Painting Techniques of Ancient Wall Paintings from the Roman Province of Dacia: A Minimally Invasive Multi-Method Approach

open access: yesHeritage
A group of wall painting fragments discovered at Ulpia Traiana Sarmizegetusa, an important Roman archeological site located in the former Roman province of Dacia (Romania), have been investigated with the aim of defining the material composition of their
Ioana Maria Cortea   +4 more
doaj   +1 more source

A Proposal for an Ultrasound/Sound Holographic Microscope Using Entangled Mobile Phone Inductors

open access: yesUltrasound International Open, 2022
In this study we propose a model for building a holographic ultrasound microscope. In this model two mobile phones are first connected by waves and techniques like the WhatsApp waves. If the mobile phones are close
Massimo Fioranelli   +2 more
doaj   +1 more source

Data center integrated energy system for sustainability: Generalization, approaches, methods, techniques, and future perspectives

open access: yesThe Innovation Energy
The increasing prominence of data centers (DCs) in the global digital economy has raised concerns about energy consumption and carbon emissions. Simultaneously, the rapid advancement of integrated energy systems (IES) has enabled DCs to efficiently ...
Yongzhen Wang   +18 more
semanticscholar   +1 more source

Evidence-based Ultrasound Education? – A Systematic Literature Review of Undergraduate Ultrasound Training Studies

open access: yesUltrasound International Open
Despite a large number of studies previously conducted on educational concepts of ultrasound teaching in medical school, various controversial issues remain. Currently, recommendations for ultrasound curricula that
Ricarda Neubauer   +5 more
doaj   +1 more source

Maturational effects on phenolic constituents, antioxidant activities and LC-MS / MS profiles of lemon (Citrus limon) peels

open access: yesJournal of Applied Botany and Food Quality, 2017
Methanol extracts from peels of lemon (Citrus limon (L.) Burm) fruits collected at three maturity stages (immature, half-mature and mature) were analyzed for their total phenolic contents (TPC) and antioxidant activities.
Nadia Mcharek, Belgacem Hanchi
doaj   +1 more source

Model Order Selection for Collision Multiplicity Estimation [PDF]

open access: yes, 2012
The collision multiplicity (CM) is the number of users involved in a collision. The CM estimation is an essential step in multi-packet reception (MPR) techniques and in collision resolution (CR) methods.
Escrig, Benoît
core   +2 more sources

Track 3: Computations in theoretical physics -- techniques and methods

open access: yes, 2016
Here, we attempt to summarize the activities of Track 3 of the 17th International Workshop on Advanced Computing and Analysis Techniques in Physics Research (ACAT 2016).Comment: 10 pages, 3 figures, to appear in the proceedings of ACAT ...
Luisoni, Gionata   +2 more
core   +1 more source

A review of contemporary techniques for measuring ergonomic wear comfort of protective and sport clothing [PDF]

open access: yes, 2021
Protective and sport clothing is governed by protection requirements, performance, and comfort of the user. The comfort and impact performance of protective and sport clothing are typically subjectively measured, and this is a multifactorial and dynamic ...
Ciesielska-Wrobel, Izabela   +5 more
core   +3 more sources

The Malaise of the Administrative Process [PDF]

open access: yes, 1962
Computer viruses uses a few different techniques, with various intentions, toinfect files. However, what most of them have in common is that they wantto avoid detection by anti-malware software.
Arding, Petter, Hedelin, Hugo
core   +3 more sources

Three real-space discretization techniques in electronic structure calculations [PDF]

open access: yes, 2006
A characteristic feature of the state-of-the-art of real-space methods in electronic structure calculations is the diversity of the techniques used in the discretization of the relevant partial differential equations. In this context, the main approaches
Aichinger   +174 more
core   +5 more sources

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