Results 71 to 80 of about 1,309,443 (310)

Oil company annual report disclosure responses to the 2010 Gulf of Mexico oil spill [PDF]

open access: yes, 2012
This paper analyses the annual report disclosures of the other six largest oil companies in reaction to the 2010 Gulf of Mexico oil spill. It focusses on changes in disclosures that can be ascribed to the oil spill.
de Villiers, Charl   +1 more
core  

Modeling Transport of Oil from the Refugio Beach Oil Spill

open access: yes, 2017
2017-288 ABSTRACTThe Refugio Beach oil spill originated from a pipeline break on 19 May 2015 near Refugio State Beach, which is located approximately 20 miles west of Santa Barbara, California.
Amy MacFadyen
core   +1 more source

Rapid‐Forming Conductive Antifouling Hydrogel Coating Enables Magnetically Guided Electrochemical POCT for Direct at‑Home Blood Testing

open access: yesAdvanced Science, EarlyView.
The SPG‐MpECis electrochemical POCT platform developed in this study enables direct detection of biomarkers in complex biological samples such as serum and fingerstick blood, demonstrating high concordance with results from clinical reference methods and holding broad potential for at‐home testing applications.
Menghan Li   +10 more
wiley   +1 more source

Enhanced unsupervised domain adaptation with iterative pseudo-label refinement for inter-event oil spill segmentation in SAR images

open access: yesInternational Journal of Applied Earth Observations and Geoinformation
The imaging features of oil spills in synthetic aperture radar (SAR) images have significant differences due to factors such as marine environment, SAR sensors, oil film thickness and types, which makes it difficult to obtain a generalized model, and the
Guangyan Cui, Jianchao Fan, Yarong Zou
doaj   +1 more source

Return and Volatility Spillovers Among Major Cotton Markets

open access: yesAgribusiness, EarlyView.
ABSTRACT This study explores return and volatility transmission among major cotton markets. Several events have disrupted cotton supply and demand in recent years, leading to heightened price volatility and significant shifts in market interconnections.
Susmitha Kalli   +3 more
wiley   +1 more source

Characteristics of the Bohai Sea oil spill and its impacton the Bohai Sea ecosystem [PDF]

open access: yes, 2012
In this paper, ENVISAT ASAR data and the Estuary, Coastal and Ocean Model was  used to analyze and compare characteristics of the Bohai Sea oil spill.
Xie, Qiang   +9 more
core   +1 more source

HeaTrace: A Parametric Design‐to‐Fabrication Workflow for Thermally Programmable Soft Robots

open access: yesAdvanced Intelligent Systems, EarlyView.
A programmable thermal actuation workflow enables soft robots to be designed and fabricated with embedded heaters that drive multiple responses. By combining performance‐driven heater design with multimaterial fabrication, the system supports thermally triggered shape change, stiffness tuning, and thermochromic visual response, as demonstrated through ...
Naresh Kumar Thanigaivel   +9 more
wiley   +1 more source

RASING RESPONDER COMPETENCY IN OIL SPILL RESPONSE TACTICS

open access: yes, 2017
In an ongoing effort toward continuous improvement and to strengthen the competencies of personnel assigned within the incident command organization to the Operations and Planning Section, including the Operations Section Chief, Chevron, in collaboration
Robert Ballesteros, Elise DeCola
core   +1 more source

Floral traits and hermaphrodite abundance shape female advantage in a gynodioecious plant

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Gynodioecy is maintained through female advantage in seed fitness that depends on the sex ratio of a population. We hypothesized that females of Silene acaulis would exhibit floral traits associated with elevated outcross pollination and that sex ratio would impact pollen limitation and inbreeding depression such that female advantage ...
Emma K. Chandler, Megan L. DeMarche
wiley   +1 more source

A Contingent Valuation Study of Lost Passive Use Values Resulting From the Exxon Valdez Oil Spill [PDF]

open access: yes
We report on the results of a large-scale contingent valuation (CV) study conducted after the Exxon Valdez oil spill to assess the harm caused by it. Among the issues considered are the design features of the CV survey, its administration to a national ...
Kopp, R.J.   +5 more
core  

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