Results 21 to 30 of about 7,568 (260)

Mineralogical And Gemological Characteristics Of Metaophiolite Hosted Corundum (Malatya-Türkiye)

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2021
The corundum is found in the rocks of the Berit metaophiolite in Eastern Anatolia, near Doğanşehir a province of Malatya. Metaophiolitic rocks consist mainly of garnet metagabbro, granulite, amphibolite, mylonitic amphibolite, garnet amphibolite ...
Fikret İşler, Meltem Gürbüz, Murat Hatipoğlu, Ayten Öztüfekçi Önal, İlkay Kaydu Akbudak, Zeynel Başıbüyük   +5 more
doaj   +1 more source

Process Mineralogy of a Pegmatite Lithium Beryllium Ore in Qinghai

Kuangchan zonghe liyong, 2023
This is an eassay in the field of process mineralogy. Using optical microscope, chemical multi-element analysis, chemical phase analysis, X-ray diffraction, scanning electron microscopy-energy spectrometer and other comprehensive methods, the process ...
Yongpeng Ying, Yuqing Zhao, Yan Xiong, Xin Xiong   +3 more
doaj   +1 more source

Mineralogical Characteristics and Color Genesis of Vesuvianite Jade from Hanzhong, Shaanxi Province, China

Crystals
A new type of vesuvianite jade has recently been discovered in Hanzhong City, Shaanxi Province, China. However, a systematic investigation into its mineralogical characteristics and the origin of its color is currently lacking.
Ye Yuan, Miao Shi, Ru Jia, Xuren Huang, Yi Zhang   +4 more
doaj   +1 more source

Comparison of technical and short-term environmental characteristics of weathered and fresh blast furnace slag aggregates for road base applications in South Africa

Case Studies in Construction Materials, 2019
This study investigated chemical, physical-mechanical and environmental characteristics of weathered blast furnace slag (WBFS) and freshly produced slag (FBFS) for their potential utilisation as granular road base and subbase aggregates.
C. Kambole, P. Paige-Green, W.K. Kupolati, J.M. Ndambuki, A. Adeboje   +4 more
doaj   +1 more source

Mineralogical Characteristics and Coloration Mechanism of Yellow-Green Alunite Jade

Yankuang ceshi, 2020
BACKGROUND As a new kind of jade, yellow-green alunite jade is difficult to positively identify and evaluate due to the lack of research. Yellow-green alunite jade is a new type of jade that has appeared on the market in recent years.
SONG Yan-jun, LI Gan-yu, ZHANG Jian, TAO Long-feng, LIU Yun-gui, ZHANG Lu   +5 more
doaj   +1 more source

ASSESSMENT OF LANDSCAPE SENSITIVITY BASED ON GEOCHEMICAL CHARACTERISTICS OF SEDIMENTS (KREMNA BASIN, SERBIA) [PDF]

Natural Resources and Sustainable Development, 2018
The scale of human impacts on the natural environment is now considerably larger than at any point in history. The concept of geomorphic sensitivity can help to understand the rate, magnitude and nature of landscape adjustment to perturbation in a given ...
Kašanin-Grubin Milica, Šajnović Aleksandra, Perunović Tamara, Stojanović Ksenija, Simić Vladimir, Gajica Gordana, Brčeski Ilija   +6 more
doaj   +1 more source

Investigation of fly ash properties with purpose of its utilization as a secondary raw material for portland cement clinker production [PDF]

Hemijska Industrija, 2006
In this paper the results of the investigated properties of fly ash from four thermal power plants in Serbia are presented. The physical, chemical, mineralogical and thermal characterization of fly ash was carried out, in order to determine the ...
Baščarević Zvezdana, Komljenović Miroslav, Petrašinović-Stojkanović Ljiljana, Jovanović Nataša, Rosić Aleksandra, Ršumović Mihailo   +5 more
doaj   +1 more source

Mineralogical Characteristics and Color Origin of Nephrite Containing Pink Minerals

Crystals
Recently, a variety of nephrite containing localized pink mineral aggregates has emerged on the market, which is sometimes referred to as “peach blossom jade” by some merchants.
Ye Yuan, Youxuan Li, Miao Shi
doaj   +1 more source

Flexoelectricity in Photoconversion: Fundamentals, Materials, and Outlooks

Advanced Science, EarlyView.
Mechanical bending of a flexible cantilever induces a strain gradient in the photoactive material. The resulting flexoelectric field couples with photovoltaic and photoconductive effects, modulating charge generation, separation, and collection. A comparative analysis of oxide perovskites, halide perovskites, and two‐dimensional materials is presented,
Xiang Huang, Feng Li, Rongkun Zheng
wiley   +1 more source

Autonomous X‐Ray Fluorescence Mapping for Nanoscale Chemical Speciation of Fine Particulate Matter

Advanced Intelligent Discovery, EarlyView.
We present X‐AutoMap, an autonomous X‐ray fluorescence mapping framework that integrates real‐time analysis with rule‐based computer vision to selectively target chemically relevant regions. By avoiding background‐dominated areas, the method reduces acquisition time by fourfold while enabling accurate particle‐level speciation.
Carlos Deleon, Dmitri Gavrilov, Peggy O’Day, Ajith Pattammattel   +3 more
wiley   +1 more source