Results 21 to 30 of about 267,348 (299)

A Study on Radiation Hazard of Granite and Marble Widely Used in Jordan Using Gamma Ray Spectrometer

open access: yesAtom Indonesia, 2022
Granite and marble are widely used in building construction, so possible radioactive nuclides inside them may contribute to the exposure dose to human health. The purpose of this study was to investigate the natural radioactivity concentration and assess
A. N. Akour, S. Shakhatreh
doaj   +1 more source

Poultry and cattle manure effects on sunflower performance, grain yield and selected soil properties in Limpopo Province, South Africa

open access: yesSouth African Journal of Science, 2019
The application of organic manures as alternatives to reduce the use of mineral fertilisers is considered a good agricultural practice for smallholder farmers.
Matome J. Mokgolo   +2 more
doaj   +1 more source

Reply to comments by S. L. Soo [PDF]

open access: yes, 1965
If one takes due regard for the condition under which my collision model is valid, explicitly stated by Eq. (15), Ref.
Marble, Frank E.
core   +1 more source

The Influence of Fracture Growth and Coalescence on the Energy Budget Leading to Failure

open access: yesFrontiers in Earth Science, 2022
Unraveling the details of fracture propagation leading to catastrophic rock failure is critical for understanding the precursors to earthquakes. Here we present numerical simulations of fracture growth using a work optimization criterion.
Laura Fattaruso   +2 more
doaj   +1 more source

Some Remarks on the Significance of Gold Based on Byzantine Ekphraseis of Works of Art

open access: yesStudia Ceranea, 2020
The abundance of gilding is considered to be a particularly characteristic feature of Byzantine art. This attribute can be confirmed by even a cursory analysis of works of art.
Magdalena Garnczarska
doaj   +1 more source

Experimental Modeling of Large Diameter Holes Based on Materials of Bronze Age Stone Axes

open access: yesПоволжская археология, 2021
In the Urals, there are more than a hundred products with large-diameter holes, some of which are made using a copper tube. Experiments on hollow drilling in the expedition of S. A. Semenov have shown great complexity of this method.
Serikov Yuri B., Grekhov Sergey V.
doaj   +1 more source

Type 1 Achilles tendon rupture caused by grooming trauma in a young dog [PDF]

open access: yesOpen Veterinary Journal, 2014
Achilles tendon rupture is uncommon in small animal practice. A 9-month-old, female, mixed breed dog (weighing 2.2kg) was referred to our hospital with a primary complaint of right hind limb lameness.
M. Isaka   +5 more
doaj  

A mechanism for high-frequency oscillation in ramjet combustors and afterburners [PDF]

open access: yes, 1956
An experimental investigation was made of the behavior of a small two-dimensional combustion chamber, burning a uniform mixture of air and fuel vapor under conditions of high-frequency oscillation or screech.
Marble, Frank E., Rogers, Don E.
core   +1 more source

Fracture precursor phenomena in marble specimens under uniaxial compression by means of Acoustic Emission data

open access: yesFracture and Structural Integrity, 2019
Marble specimens are subjected to a specially designed stepwise loading protocol, in an attempt to detect fracture precursor phenomena taking advantage of Acoustic Emission (AE) data.
Dimos Triantis, Stavros K. Kourkoulis
doaj   +1 more source

Multidisciplinary Approach to Characterize Archaeological Materials and Status of Conservation of the Roman Thermae of Reggio Calabria Site (Calabria, South Italy)

open access: yesApplied Sciences, 2020
This multidisciplinary research focuses on diagnostic investigations to characterize the archaeological materials, as well as the alteration and degradation forms detected at the Roman Thermae of Reggio Calabria (Calabria, South Italy) site.
Michela Ricca   +9 more
doaj   +1 more source

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