Results 31 to 40 of about 5,247,609 (321)

Effects of Acid Treatment on the SEM-EDX Characteristics of Kaolin Clay [PDF]

, 2017
Raw kaolin was refluxed by sulphuric acid in variable concentrations of 2 M, 4 M, 6 M and 8 M. The morphology and elemental compositions of the acid-leached kaolin were analyse by Field Scanning Electron Microscopy (FESEM) and Energy Dispersive X-ray ...
Adamu, Ajiya Dahiru, Badarulzaman, Nur Azam, Jikan, Suzi Salwah, Yahaya, Shehu   +3 more
core   +3 more sources

Authentication of Transylvanian Spirits Based on Isotope and Elemental Signatures in Conjunction with Statistical Methods

Foods, 2021
The potential association between stable isotope ratios of light elements and mineral content, in conjunction with unsupervised and supervised statistical methods, for differentiation of spirits, with respect to some previously defined criteria, is ...
Dana Alina Magdas, Gabriela Cristea, Adrian Pîrnau, Ioana Feher, Ariana Raluca Hategan, Adriana Dehelean   +5 more
doaj   +1 more source

Phytochemical screening of Psidium guajava and Carica papaya leaves aqueous extracts cultivated in Greece and their potential as health boosters

Exploration of Foods and Foodomics, 2023
Aim: The scope of the present study was to investigate the phytochemical profile of Psidium guajava and Carica papaya leaves aqueous extracts, from plants cultivated on Crete island in Greece.
Dimitrios D. Ntakoulas, Ioannis N. Pasias, Kalomoira G. Raptopoulou, Georgios Dimitriou, Charalampos Proestos   +4 more
doaj   +1 more source

Elemental composition and oxidation of chamber organic aerosol [PDF]

, 2011
Recently, graphical representations of aerosol mass spectrometer (AMS) spectra and elemental composition have been developed to explain the oxidative and aging processes of secondary organic aerosol (SOA).
Canagaratna, M. R., Chhabra, P. S., Corrigan, A. L., Flagan, R. C., Ng, N. L., Russell, L. M., Seinfeld, J. H., Worsnop, D. R.   +7 more
core   +2 more sources

Impact of Heat Treatment on Humic Acid Elemental Content and Thermal Stability [PDF]

, 2015
The article examines the impact of thermal peat modification on the elemental content and properties of humic acids. It has been revealed that preliminary heat treatment of different peat types characterized by various decomposition degrees causes the ...
Chukhareva, Natalia Vyacheslavovna, Korotchenko, Tatiana Valerievna, Malinovskaya, Tatiana, Rozhkova, Darya   +3 more
core   +1 more source

Kepek Khan's Monetary Reform According to the Results of a Study of the Coin Silver Chemical Composition by the XRD Method

Поволжская археология, 2019
The purpose of this study is to identify changes in the quality of silver coin minted in Bukhara and Samarkand at Khan Kebek, compared with similar coins in the previous period (post-reform "Masudbek" emissions).
Baitanayev Bauyrzhan A. , Petrov Pavel N. , Shaykhutdinova Eugenia F.   +2 more
doaj   +1 more source

Resource allocation by the marine cyanobacterium Synechococcus WH8102 in response to different nutrient supply ratios [PDF]

, 2015
Differences in relative availability of nitrate vs. phosphate may contribute to regional variations in plankton elemental stoichiometry. As a representative of the globally abundant marine Synechococcus, strain WH8102 was grown in 16 chemostats up to 52  
Allison, Steven D., Bonachela, Juan A., Fredricks, Helen, Martiny, Adam C., Mouginot, Céline, Van Mooy, Benjamin A. S., Zimmerman, Amy E.   +6 more
core   +1 more source

ICP-MS analysis of diet supplementation influence on the elemental content of rat prostate gland

Chemical Monthly, 2019
Metabolism of numerous elements is involved in carcinogenesis. Among other, calcium and zinc metabolic pathways coincide with prostate cancer development.
Agata Jagielska, A. Ruszczyńska, Barbara Wagner, E. Bulska, D. Skrajnowska, B. Bobrowska-Korczak   +5 more
semanticscholar   +1 more source

Element content and distribution has limited, tolerance metric dependent, impact on salinity tolerance in cultivated sunflower (Helianthus annuus)

Plant Direct, 2020
Disruption of ion homeostasis is a major component of salinity stress's effect on crop yield. In cultivated sunflower prior work revealed a negative relationship between vigor and salinity tolerance.
Andries A. Temme, Victoria A. Burns, Lisa A. Donovan   +2 more
doaj   +1 more source

Major and Trace Element Content of Tribulus terrestris L. Wildlife Plants

Plants, 2020
The genus Tribulus L. (Zygophyllaceae) includes 12 species, the most important of which is Tribulus terrestris L. This annual herb grows in temperate and tropical climates, and has a rich chemical composition of biologically active substances and ...
Kirill Tkachenko, Marina Frontasyeva, Atanas Vasilev, Latchezar Avramov, Lei Shi   +4 more
doaj   +1 more source