Results 1 to 10 of about 76,744 (285)

Phototransferred thermoluminescence of rose quartz: Measurement and analysis

Optical Materials: X
Phototransferred thermoluminescence (PTTL) of rose quartz induced by 470 nm blue-, 525 nm green- and 405 nm UV-light is reported. Although its conventional TL glow curve measured at 1 °C s−1 during heating to 500 °C has five peaks (labelled I–V), only ...
M.L. Chithambo, I.A. Ferreira, N.M. Trindade   +2 more
doaj   +2 more sources

Study on the Component and Distribution Characteristics of Needle-like Inclusions in Rose Quartz

Yankuang ceshi, 2018
BACKGROUND The needle-like inclusions in rose quartz are considered to be rutile or dumortierite, and their orientation is related to the c-axis. However, there is no consensus on this statement.
HU Zhe, GUO Ying
doaj   +2 more sources

Processing of phosphorites and additives with researching their thermodynamical properties [PDF]

E3S Web of Conferences, 2023
In this article, scientific research on the production of thermophosphate fertilizers was carried out on the basis of thermo-alkaline activation of Central Kyzylkum waste phosphorite with mineralized mass and alkali metal salts, namely NaCl, KCl, Na2SO4,
Akhtamova Maftuna, Temirov Uktam, Khurramov Navruzbek, Shukurov Azim, Karshiev Bekhzod   +4 more
doaj   +1 more source

Structural and Petrographic Study of Crystalline Rocks in Part Of Oban Massif, SouthEastern Nigeria

Journal of Applied Sciences and Environmental Management, 2022
The study aims at differentiating lithologic units, general structural trends and orogenic implications of crystalline rocks within part of Oban Massif, Southeastern Nigeria.
G.E. Ubit, I.M. Ibanga, N.E. Bassey, I.J. Inim   +3 more
doaj   +1 more source

Effect of the Release of Gravel Elements on Soil Nutrients and Jujube Fruit Yield under Wet-and-Dry Cycles

Agronomy, 2022
This study sought to evaluate the potential of mulched gravel to release nutrients in the field by conducting trials with three variations of wet-and-dry cycling of the soil beneath gravel mulch and bare soil. The results revealed that quartz, muscovite,
Qiaoling Liu, Yangyang Li, Wangcheng Li, Qikun Su, Bo Ma, Min Mu, Zhenjiang Jia, Guangxing Zhao   +7 more
doaj   +1 more source

Genesis of the Xifeng Low-Temperature Geothermal Field, Guizhou, SW China: Constrains From Geology, Element Geochemistry, and D-O Isotopes

Frontiers in Earth Science, 2021
The Xifeng geothermal field is located in the Yangtze Craton, SW China, and is one of the most representative low-temperature geothermal fields in China.
Yanyan Li, Yanyan Li, Ji Dor, Ji Dor, Chengjiang Zhang, Guiling Wang, Guiling Wang, Baojian Zhang, Baojian Zhang, Fangfang Zhang, Yifei Xing, Yifei Xing   +11 more
doaj   +1 more source

Thermoluminescence of rose quartz from Minas Gerais, Brazil

Radiation Physics and Chemistry, 2023
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
R.T.E.K. Martins, I.A. Ferreira, A.O. Silva, M.C.S. Nunes, C. Ulsen, R. Künzel, M.M. Souza, M.L. Chithambo, E.M. Yoshimura, N.M. Trindade   +9 more
openaire   +2 more sources

Neutron Activation Analysis of PM₁₀ for Air Quality of an Industrial Region in the Czech Republic: A Case Study

Atmosphere, 2022
This work was conducted to focus on pollutant transmission between Poland and Czechia at the most polluted area in the Czech Republic, the Moravian Silesian region.
Barbora Niedobová, Wael M. Badawy, Andrey Yu. Dmitriev, Petr Jančík, Olica E. Chepurchenko, Maksim V. Bulavin, Maria O. Belova   +6 more
doaj   +1 more source

Photoresist modification by silver colloid solution: the role of silver nanoparticles content; pp. 212–219 [PDF]

Proceedings of the Estonian Academy of Sciences, 2012
The aim of this work was to investigate the influence of silver nanoparticles deposited from a colloid solution into a photoresist composition on the morphology and optical properties of the grating. The Ag colloid was produced by chemical reduc­tion of
Jovita Pudlauskaitė, Igoris Prosyčevas, Virginija Jankauskaitė, Tadas Kleveckas   +3 more
doaj   +1 more source

Identification of the Origin and Route of Sand Transfer to the Area of Sand Dunes of Yazd Darvazeh Quran

جغرافیا و پایداری محیط, 2023
Investigating and understanding Sand dunes is of great importance in the management of natural resources and the control of risks caused by them. The purpose of this research is to investigate the sand dunes of Darvazeh Quran, in the north of Yazd city ...
Ali Shahriar , Ahmad Mazidi , Mohammad Sharifipichoun , Fatemeh Zare
doaj   +1 more source