Results 21 to 30 of about 290,425 (314)

THE MINERAL COMPOSITION OF SOME SOIL FORMED ON DIFFERENT SOURCE MATERIALS AND ITS RELATIONSHIP TO THEIR PROPERTIES AND DEGREE OF DEVELOPMENT [PDF]

open access: yesمجلة الأنبار للعلوم الزراعية
This study was conducted during 2023 on soil profiles in Lattakia Governorate (Syria), composed of different parent materials, namely serpentine, gabbro, peridotite (belonging to the ophiolitic complex), and marl (belonging to sedimentary formations ...
S. A. Ghanem, A. G. Ibrahim
doaj   +1 more source

The manufacture of cutting plates from ceramic mineral on the basis of nanodispersed powders [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2016
The article discusses the main aspects of the creation of high-performance cutting tools made of mineral ceramics. Rec-ommendations on the optimum chemical composition and structural composition of powders for the manufacture of mineral ceramics in the ...
Erokhin V.V.
doaj   +1 more source

The eggshell: structure, composition and mineralization

open access: yesFrontiers in Bioscience, 2012
The calcareous egg is produced by all birds and most reptiles. Current understanding of eggshell formation and mineralization is mainly based on intensive studies of one species - the domesticated chicken Gallus gallus. The majority of constituents of the chicken eggshell have been identified.
Hincke, M. T.   +5 more
openaire   +4 more sources

Research on the Process Mineralogy of Phosphogypsum Using Mineral Liberation Analysis System

open access: yesKuangchan zonghe liyong, 2022
For the first time, process mineralogy including the chemical composition, mineral composition, main mineral particle morphology and embedded features, mineral dissociation analysis, and the occurrence status of harmful elements of an industrial ...
Wen Zhang   +5 more
doaj   +1 more source

Three-compartment body composition changes in elite rugby league players during a super league season, measured by dual-energy X-ray absorptiometry. [PDF]

open access: yes, 2011
This study investigated the acute changes in body composition that occur over the course of a competitive season in elite rugby league players. Twenty elite senior players from an English Super League rugby league team underwent a total-body dual-energy ...
O'Hara, J   +5 more
core   +1 more source

Effects of continuous subcutaneous insulin infusion on the microstructures, mechanical properties and bone mineral compositions of lumbar spines in type 2 diabetic rats

open access: yesBMC Musculoskeletal Disorders, 2022
Background Continuous subcutaneous insulin infusion (CSII) for the treatment of type 2 diabetes (T2D) can improve the structure and strength of femur of rats, but the effect of CSII treatment on the lumbar spine of T2D rats is unknown.
Xiaorong Hu   +5 more
doaj   +1 more source

Application of an Artificial Neural Network Model Based on Mineral Composition to the Prediction of Physical and Mechanical Properties

open access: yesApplied Sciences, 2023
The physical and mechanical properties of soil are crucial in engineering construction, but conducting extensive experimental tests can be time-consuming, laborious, and subject to uncertainties due to the heterogeneity of the soil and variations in ...
Wenteng Gong   +3 more
doaj   +1 more source

Contrasting the crystallinity indicators of heated and diagenetically altered bone mineral [PDF]

open access: yes, 2010
Modifications to bone mineral as a result of diagenesis or heating include a marked increase in crystallinity. Although these processes are not completely understood a number of simple, pragmatic approaches are in general use to quantify crystallinity ...
Chamberlain, A.   +14 more
core   +1 more source

Preliminary results on mineral content of some beef muscles

open access: yesItalian Journal of Animal Science, 2010
Regarding the growing interest of consumers for nutritional aspect of food, little data are available on meat mineral content. Among the factors influencing minerals, muscle appears interesting: Doornenbal and Murray (1981) found that the concentrations ...
A. Cignetti   +3 more
doaj   +1 more source

Micro- and Nanoscale Pore Structure Characterization and Mineral Composition Analysis of Clayey-Silt Hydrate Reservoir in South China Sea

open access: yesGeofluids, 2022
Natural gas hydrate is a kind of environmentally friendly unconventional energy with large reserves, which attract increasing attention in recent years. The microscopic pore structure and mineral composition of natural gas hydrate reservoir have a great ...
Cheng Lu   +6 more
doaj   +1 more source

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