Results 101 to 110 of about 103,703 (258)

Evaluation of Egyptian bentonite and nano-bentonite as drilling mud

Egyptian Journal of Petroleum, 2013
Nano-particles of bentonite have been prepared by nano-grinding. The nano-bentonite was characterized by X-ray fluorescence analysis (XRF), X-ray powder diffraction (XRD), thermal gravimetric analysis (TGA) and Transmission electron microscopy (TEM). The
M.I. Abdou, A.M. Al-sabagh, M.M. Dardir
doaj   +1 more source

Ichnological insights into deoxygenation across the Cenomanian–Turonian Boundary Oceanic Anoxic Event 2 in the northern extent of Western Interior Seaway (west‐central Alberta)

Sedimentology, Volume 73, Issue 2, Page 355-390, February 2026.
ABSTRACT In‐depth ichnological and sedimentological analyses of the Cenomanian–Turonian boundary Oceanic Anoxic Event (OAE2) from the Western Interior Seaway of west‐central Alberta reveal a persistent physico‐chemically stressed setting. The interval is characterised by a dominantly diminutive and diminished ichnological assemblage, with familiar ...
Sara K. Biddle, Murray K. Gingras
wiley   +1 more source

European mineral statistics 2002-06 : a product of the World Mineral Statistics database [PDF]

, 2008
European Mineral Statistics has over 300 pages of tables on minerals production and trade. Thirty two countries are covered including all the EU members, EU applicants, Norway and Switzerland. In the first section there are tables by country, followed by
Bide, Tom, Brown, Teresa, Hannis, Sarah, Hetherington, Linda, Hobbs, Susan, Idoine, Naomi, Naden, Jonathan   +6 more
core  

Sprayable low density ablator and application process [PDF]

, 1978
A sprayable, low density ablative composition is described consisting esentially of: (1) 100 parts by weight of a mixture of 25-65% by weight of phenolic microballoons, 0-20% by weight of glass microballoons, 4-10% by weight of glass fibers, 25-45% by ...
Brown, E. L., Carter, J. M., Hill, W. E., King, H. M., Schuerer, P. H., Sharpe, M. H., Simpson, W. G., Webb, D. D.   +7 more
core   +1 more source

Responses of the bentonite microbial community to Se(IV)exposure: insights into selenium biogeochemical cycle. [PDF]

, 2021
Mar Morales‐Hidalgo, Cristina Povedano‐Priego, Fadwa Jroundi, Isabel Guerra, María del Mar Abad-Ortega, Ramiro Vilchez‐Vargas, Inés Martín-Sánchez, Mohamed L. Merroun   +7 more
openalex   +1 more source

HYDRAULIC CONDUCTIVITY OF GCL WITH BENTONITE - SILICA FUME MATRIX

Journal of Urban and Environmental Engineering, 2012
This paper presents the influence of partial replacement of bentonite by silica fume which is used in the manufacture of Geosynthetic Clay Liner (GCL).
M. Andal, M. Chandrasekhar, G. K. Viswanadh   +2 more
doaj   +2 more sources

Rheological Properties and Permeation Grouting Reinforcement Effect of Cement-Bentonite Slurry

Buildings
Permeation grouting is one important method for preventing and controlling leakage in levees, with cement-bentonite slurry as a commonly used grouting material.
Yuan Wang, Tian Qi, Chenxi Xu, Jiakun Gong   +3 more
doaj   +1 more source

Evidence for vertical motility in Campanian deep-water agglutinated foraminifera: The Furlo volcanic ash layer [PDF]

, 2004
Evidence for vertical motility has been observed among six Campanian deep-water agglutinated foraminiferal species from the Furlo Bentonite in the Umbria-Marche Basin ...
Galeotti, S., Kaminski, M.A..
core  

Microbial Effects on Repository Performance [PDF]

, 2010
This report presents a critical review of the international literature on microbial effects in and around a deep geological repository for higher activity wastes.
Humphreys, Paul, Metcalfe, R., West, J. M.   +2 more
core  

Remediation of contaminated marine sediment using bentonite, kaolin and sand as capping materials [PDF]

, 2019
There is a growing public concern over the issue of sediment contamination resulting from industrial, municipal wastewater, mining activities, and improper use of chemical fertilizer or pesticides.
Kabir Aliyu, Mohammed
core   +1 more source