Results 101 to 110 of about 96,388 (335)

Evaluation of the Hydrocarbon Potentials of Shale Exposures at Okpekpe in Edo North

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2019
This study evaluates the source rock characteristics of rock exposures along a newly exposed road cut in Okpekpe. An integrated technique of organic geochemical analysis and biostratigraphy evaluation were adopted to determine the source rock quality ...
Alexander Ogbamikhumi   +2 more
doaj   +1 more source

Patterns in the modification of animal and human bones in Iron Age Wessex: revisiting the excarnation debate [PDF]

open access: yes, 2008
Social practices concerning the treatment of human and animal remains in the Iron Age have long been a focus of debate in archaeological literature. The absence of evidence of a formal burial rite and the regular retrieval of human remains from ‘special’
Madgwick, Richard
core  

Paradigm shift in determining Neoproterozoic atmospheric oxygen [PDF]

open access: yes, 2016
ACKNOWLEDGMENTS We thank the Geological Survey of Australia for permission to sample the Empress 1A and Lancer 1 cores, the Natural Sciences and Engineering Research Council of Canada for financial support (grant #7961–15) of U.
Benison, Kathleen   +7 more
core   +3 more sources

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

open access: yesAdvanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt   +8 more
wiley   +1 more source

MIDDLE TO LATE JURASSIC BIOFACIES OF SAUDI ARABIA

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2004
Saudi Arabian Jurassic carbonate hydrocarbon reservoirs were first examined stratigraphically using microfauna. Current microfaunal studies concentrate on the identification and constraint of palaeoenvironmental variations and determination of high ...
GERAINT W. HUGHES
doaj   +1 more source

Reconstruction of eolian bed forms and paleocurrents from cross-bedded strata at Victoria Crater, Meridiani Planum, Mars [PDF]

open access: yes, 2011
Outcrop exposures imaged by the Opportunity rover at Victoria Crater, a 750 m diameter crater in Meridiani Planum, are used to delineate sedimentary structures and further develop a dune-interdune depositional model for the region.
Edgar, L. A.   +5 more
core   +1 more source

Laser Metal Deposited Ti4822 Hollow Pipe: Experimental and Computational Modelling Study

open access: yesAdvanced Engineering Materials, EarlyView.
Laser metal deposition (LMD) of a crack‐free built Ti4822 alloys is challenging. This article reports outstanding characteristics of a hollow pipe that is built with LMD technology when a predicted, nontransformation substrate temperature of 800 °C is used.
Sadiq A. Raji   +5 more
wiley   +1 more source

The Paleogene Tectonostratigraphy Of Northern Part Masalima Trench Basin

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2016
Northern part of Masalima Trench Basin is located in the southern part of the Strait of Makassar, which includes Masalima Trough and Massalima High. The area of research is an extension of the South Makassar Basin which extends from South Makassar Basin ...
Luhut Pardamean Siringoringo   +1 more
doaj   +1 more source

A reassessment of Antarctic plateau reactive nitrogen based on ANTCI 2003 airborne and ground based measurements [PDF]

open access: yes, 2008
The first airborne measurements of nitric oxide (NO) on the Antarctic plateau have demonstrated that the previously reported elevated levels of this species extend well beyond the immediate vicinity of South Pole.
Arimoto, R   +11 more
core   +2 more sources

Soil carbon and nitrogen erosion in forested catchments: Implications for erosion-induced terrestrial carbon sequestration [PDF]

open access: yes, 2015
Lateral movement of organic matter (OM) due to erosion is now considered an important flux term in terrestrial carbon (C) and nitrogen (N) budgets, yet most published studies on the role of erosion focus on agricultural or grassland ecosystems.
Berhe, AA   +4 more
core   +3 more sources

Home - About - Disclaimer - Privacy