Results 11 to 20 of about 3,874 (218)
Sedimentary Mercury Enrichments as a Tracer of Large Igneous Province Volcanism
Geophysical Monograph Series, Page 247-262., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Lawrence M. E. Percival +3 more
wiley +5 more sources
Energies, 2022 This work presents a new protocol for monitoring rising damp, which is applied to three masonry models made of tuff, carparo, and Lecce stone. First, the physical characteristics of each stone were derived in the laboratory, which included porosity ...
Paolo Maria Congedo +4 more
doaj +1 more source
Advances in Civil Engineering, 2021 Many tunnel engineering accidents are generally caused by water softening tuff of high porosity. Experimental and theoretical analytical methods, including rock ultrasonic testing, X-ray diffraction (XRD), microscopic observation, uniaxial compression ...
Zhihao He +5 more
doaj +1 more source
Using mordenite-rich tuff as a natural clay replacement in fired clay brick production [PDF]
Cerâmica, 2023 This work examines the impact of mordenite-rich tuff (MT) on the technological properties of fired clay brick. These specimens were obtained by substituting clay with MT in various proportions (0, 5, 10, 15, 20, 50, and 100 wt%).
G. Djafri +3 more
doaj +1 more source
Undergraduate orthoptic students’ perception of feedback during clinical placement
British and Irish Orthoptic Journal, 2012 Aims: The aim of this study was to explore undergraduate orthoptic students’ perceptions of feedback during clinical placement to allow the identification of common themes which could ultimately inform some guidance for tutors in the provision of ...
Laura C. Tuff
doaj +1 more source
Petroleum Exploration and Development, 2016 Based on analysis of major and trace elements, observation of thin sections, cathodoluminescence and scanning electron microscope of tuff samples, in combination with the restoration of paleotopography in the Malang sag, the formation and distribution ...
Jian MA +7 more
doaj +1 more source
International Journal of Economic and Environment Geology, 2020 A likely tuff bed lies along the gradational contact of the Middle and Upper Siwaliksineastern Sulaiman Range, Taunsa areaofDera GhaziKhan district, Pakistan.
Rahman Ullah, Nie Fengjuin, Zhang Chengyong, Saqib Izhar, Idrees Safdar, Zhang Xin, Asim Ali
doaj +1 more source
Journal of Marine Science and Engineering, 2023 In recent years, offshore wind turbine technology has been widely developed, making a significant contribution to the advancement of renewable energy.
Qi Zhang +5 more
doaj +1 more source
Effect of ceramic waste on mechanical and geotechnical properties of tuff treated by cement
Case Studies in Construction Materials, 2020 Experimental work has been undertaken to study the ceramic waste effect on mechanical and geotechnical properties of tuff treated by cement using a mixing ratio.
Benamar Balegh +2 more
doaj +1 more source
Taiyuan Ligong Daxue xuebao, 2023 This study focuses on the tuff intervals involving zircon U-Pb geochronology, which are located at the bottom of Yanchang Formation in Yonghe outcrop section, Shanxi Province.
Kaiwen TIAN +7 more
doaj +1 more source