Results 121 to 130 of about 13,246 (253)

Determination of Selenium in Coal Ash with Microwave Digestion and Hydride Generation-Atomic Fluorescence Spectrometry

Yankuang ceshi, 2013
Coal ash containing higher than usual selenium has a comprehensive utilization value. Although selenium in coal ash samples has been studied in some areas, there is no formed reliable method to determine the selenium content in coal ash due to the ...
TAO Qiu-li, HAN Zhang-xiong, XIONG Ying, MU Nai-cang, LUO Hong, WANG Xi-jie   +5 more
doaj  

A reappraisal of the Middle to Later Stone Age prehistory of Morocco Réévaluer la préhistoire du Maroc, du Middle Stone Age au Later Stone Age

Journal of the Royal Anthropological Institute, EarlyView.
Over the last 25 years, perceptions of the early prehistory of Northwest Africa have undergone radical changes due to new fieldwork projects and a corresponding growth in scientific interest in the region. Much of this work has been focused in Morocco, known for its extremely rich fossil and archaeological records in caves and rock shelters.
Nick Barton, Abdeljalil Bouzouggar, Stacy Carolin, Louise Humphrey   +3 more
wiley   +1 more source

Feasibility study on coal based solid waste as a soil additive

Scientific Reports
Coal resources are extensive exploitation and utilization. As a result, a large amount of coal based solid waste such as coal gangue, fly ash, and coal gasification slag was generated.
Nan Guo, Lu Bai, Yingming Yang, Fei Wang
doaj   +1 more source

Characteristics and impact of aged coal ash with slag emplaced in a karst cave: the case of Divaška jama, Slovenia. [PDF]

Sci Rep, 2021
Oarga-Mulec A, Skok S, Simčič T, Mulec J.   +3 more
europepmc   +1 more source

Coal Ash and Clean Coal [PDF]

Nature, 1926
openaire   +1 more source

A Very Social History: South American Cricketing Tourists in Britain in 1932

History, EarlyView.
Abstract Drawing on both the rich Anglophone cricket historiography and the new Latin American sports scholarship, this article maps out the entangled global networks that shaped the tour of Britain made in 1932 by a team of South American cricketers.
Matthew Brown
wiley   +1 more source

The Discrepancy between Coal Ash from Muffle, Circulating Fluidized Bed (CFB), and Pulverized Coal (PC) Furnaces, with a Focus on the Recovery of Iron and Rare Earth Elements. [PDF]

Materials (Basel), 2022
Pan J, Long X, Zhang L, Shoppert A, Valeev D, Zhou C, Liu X.   +6 more
europepmc   +1 more source

Bridging the Late Antique Gap in Northwest Arabia: New Archaeological Evidence on the Occupation of Wādī al‐Qurā (al‐ʿUlā [AlUla], Saudi Arabia) Between the Third and Seventh Centuries CE

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT In 2019, the Dadan Archaeological Project (CNRS/RCU/AFALULA) identified a Late Antique village 1 km south of ancient Dadan in the al‐ʿUlā valley (northwest Saudi Arabia). Three excavation seasons at this site (2021–2023) have uncovered a massive building constructed in the late third or early fourth cent.
Jérôme Rohmer, Abdulrahman Alsuhaibani, Charlène Bouchaud, Elora Chambraud, Vladimir Dabrowski, Hatem Djerbi, Fabien Lesguer, Hervé Monchot, Paul Picavet, Louise Purdue, Bertrand Riba, Shadi Shabo   +11 more
wiley   +1 more source

New Results From the Pre‐Pottery Neolithic Site of Al Uyaynah, Tabuk, in Northwestern Saudi Arabia

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Al Uyaynah is a low sandstone mound on an alluvial plain, long known for its extensive surface remains of stone‐built circular and rectangular structures. Following test excavations in 2012, more detailed excavation was undertaken in 2016 within one of the largest rectangular stone structures.
Khalid Alasmari, Stephanie F. Piper, Kirsten Grothe, W. Derek Hamilton, Delphine Joly, Penny Bickle, Geoff Bailey   +6 more
wiley   +1 more source

A mini review on the separation of Al, Fe and Ti elements from coal fly ash leachate

International Journal of Coal Science & Technology
The electricity demand is increasing rapidly with the development of society and technology. Coal-fired thermal power plants have become one of the primary sources of electricity generation for urbanization.
Yuan Shi, Fengqi Jiang, Rongjiao Wang, Sasha Yang, Xiaofeng Zhu, Yingying Shen   +5 more
doaj   +1 more source