Results 21 to 30 of about 100,556 (325)

The role of limestone and dolomite tailings’ particle size in retention of heavy metals from liquid waste [PDF]

open access: yes, 2008
Purpose. The study aims at investigating the role of particle size of mineral tailings derived from limestone, limestone marble, dolomite and dolomitic marble in heavy metal adsorption, in both batch and fixed bed conditions, so as to estimate whether ...
Albadarin   +26 more
core   +1 more source

Origin and diagenetic evolution of dolomites in Paleogene Shahejie Formation lacustrine organic shale of Jiyang Depression, Bohai Bay Basin, East China

open access: yesPetroleum Exploration and Development, 2022
The origin of dolomite in Shahejie Formation shale of Jiyang Depression in eastern China were studied by means of petrologic identification, compositional analysis by X-ray diffraction, stable carbon and oxygen isotopic composition, and trace element and
Jianbin TENG   +3 more
doaj   +1 more source

Utilization of waste dolomite dust in carbon fiber reinforced vinylester composites

open access: yesJournal of Materials Research and Technology, 2022
The present study was designed to explore the applicability of dolomite dust (a waste from a dolomite quarry) as filler in polymer composites. Therefore, fixed carbon fiber reinforced vinyl ester composites with varying dolomite dust proportions (0, 5 ...
Brijesh Gangil   +3 more
doaj   +1 more source

Geologic quadrangle map no. 47 [PDF]

open access: yes, 1978
Process Steps: 1. Either: a) a Portable Document Format (PDF) version of the map provided the Bureau of Economic Geology, University of Texas at Austin was converted from pdf to Tagged Image File Format (TIFF) or b) a paper map was scanned and saved in ...
Barnes, Virgil E. (Virgil Everett), 1903-1998
core   +1 more source

Examining the Ability of Aerobic Halophilic Heterotrophic Microbial Consortia to Replace Ca by Mg in Different CaCO3 Precursors

open access: yesFrontiers in Microbiology, 2022
Recent laboratory experiments have exhibited microbes as promising agents in solving the perplexing origin of ancient dolomite by demonstrating microbial capability to mediate dolomite nucleation and growth.
Ammar Alibrahim, Maria Dittrich
doaj   +1 more source

Clasts in the CM2 carbonaceous chondrite Lonewolf Nunataks 94101: evidence for aqueous alteration prior to complex mixing [PDF]

open access: yes, 2013
Clasts in the CM2 carbonaceous chondrite Lonewolf Nunataks (LON) 94101 have been characterized using scanning and transmission electron microscopy and electron microprobe analysis to determine their degrees of aqueous alteration, and the timing of ...
Bischoff A.   +4 more
core   +1 more source

Concrete Modification for Hot Weather Using Crushed Dolomite Stone

open access: yesBuildings, 2023
Crushed dolomite stone can be used as a part of concrete for hot weather. Fine dolomite as a filler is not commonly included in Portland cement. In this paper, the properties of a blended binder based on Portland cement and dolomite filler are presented.
Svetlana V. Samchenko   +4 more
doaj   +1 more source

Refining the interpretation of lacustrine carbonate isotope records: Implications of a mineralogy-specific Lake Van case study [PDF]

open access: yes, 2019
Oxygen and carbon isotope (δ18O and δ13C) data from bulk carbonates are widely applied proxies for temperature, the precipitation/evaporation ratio and productivity in lacustrine palaeohydrology and palaeoclimatology. In case of the terminal and alkaline
Immenhauser, Adrian   +4 more
core   +1 more source

Efektivitas Pengapuran dalam Meningkatkan Pertumbuhan dan Produksi Tanaman Sorgum (Sorghum bicolor (L.) Moench) sebagai Hijauan Pakan Ternak

open access: yesJurnal Ilmu Pertanian Indonesia, 2023
  Sorghum is a potential crop as feed forage. The objective of the research was to obtain optimum dose of liming to improve the growth and productivity of sorghum (Sorghum bicolor (L.) Moench) biomass as feed forage.
Iwan Prihantoro   +4 more
doaj   +1 more source

Study of rock displacement with the help of equivalent materials using room-and-pillar mining method [PDF]

open access: yes, 2012
Field study made with the help of equivalent materials to determine minimum dimension of interchamber and barrier pillars and limiting chamber span was carried out.
Buzilo, V.I.   +2 more
core   +1 more source

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