Results 21 to 30 of about 2,416,469 (290)

The Symbolism of Green Colour in Neolithic of Serbia

open access: yesEtnoantropološki Problemi, 2021
The focus of this text is twofold. The first task is to reconsider the mode of interpretation of various small (4 to 10 cm) objects (axes, chisels, finger-rings, pendants), made of green minerals – jadeite and/or nephrite. These objects are registered on
Radmila Balaban
doaj   +1 more source

Comparison of conventional and regenerative electrostatic energy harvesters

open access: yesIET Circuits, Devices and Systems, 2017
This study presents a performance comparison of two green electrostatic energy harvesters based on force‐sensitive mechanically variable capacitors.
Yin Li, Manjusri Misra, Stefano Gregori
doaj   +1 more source

Supine percutaneous nephrolithotomy in a patient with a history of previous spinal surgeries

open access: yesJournal of the Scientific Society, 2021
Patients with abnormal body habitus because of spinal deformities and patients having undergone previous spinal surgeries present a challenge during surgical, anesthesiologic, and technical procedures. In these patients, management of urolithiasis may be
Rajendra B Nerli   +2 more
doaj   +1 more source

The Influence of Internally Cooled Drill Bits on Cutting Dynamics and Workpiece Hardness Monitoring in Stone Machining

open access: yesMachines, 2023
Drill bits with internal cooling capabilities are still not employed in stone machining practices within shop floor environments. Therefore, a conventional industrial drill bit used in stone machining was subject to a redesign wherein an axial cooling ...
Miho Klaić   +3 more
doaj   +1 more source

Marble Chromatic Alteration Study Using Non-Invasive Analytical Techniques and Evaluation of the Most Suitable Cleaning Treatment: The Case of a Bust Representing Queen Margherita di Savoia at the U.S. Embassy in Rome

open access: yesAnalytica, 2022
In spite of the application of different cleaning procedures, the marble used for the portrait bust of Queen Margherita di Savoia continued to show permanent discoloration, consisting of an unevenly distributed grayish alteration, mainly on the front ...
Andrea Macchia   +6 more
doaj   +1 more source

Nonverbal Communication in Rituals on Irish Pilgrimage Routes

open access: yesReligions, 2022
There are endless lists of academic publications on pilgrimage and on nonverbal communication, but very rarely if at all, do these two phenomena meet together in the same one, hence the author’s attempt to bring them together here.
Bożena Gierek
doaj   +1 more source

Asymptomatic Uncountable Urinary Bladder Stones Removal: Play the Winner

open access: yesDubai Medical Journal, 2020
Urinary bladder stones are a common condition in elderly males, and they are usually related to infravesical obstruction secondary to prostate enlargement.
Hani H. Nour   +2 more
doaj   +1 more source

Bridging science and curriculum: preparing future leaders in computational toxicology

open access: yesFrontiers in Toxicology
Computational toxicology plays an important role in chemical safety assessments. Computational methods are applied to early-stage screening in drug discovery, hazard identification, and regulatory safety assessment.
Frances Hall, Candice Johnson
doaj   +1 more source

On the Assessment of Reinforced Concrete (RC) Walls under Contact/Near-Contact Explosive Charges: A Deep Neural Network Approach

open access: yesBuildings
In recent years, the use of machine learning has been expanded to several fields, with promising advances in structural engineering applications. Deep neural network models have been implemented to predict the structural response of systems under ...
David Holgado   +3 more
doaj   +1 more source

Electron Population Aging Models for Wide-Angle Tails [PDF]

open access: yes, 1999
Color-color diagrams have been useful in studying the spectral shapes in radio galaxies. At the workshop we presented color-color diagrams for two wide-angle tails, 1231+674 and 1433+553, and found that the standard aging models do not adequately ...
A. Young   +7 more
core   +3 more sources

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