Results 131 to 140 of about 244,299 (237)

Geochemical evaluation of black limestones in the Early Cretaceous platform carbonates of Gümüşhane (NE Turkey): An insight into petroleum source rock potential and palaeoenvironment conditions

open access: yesThe Depositional Record, EarlyView.
Some layers of limestone produce some hydrocarbons, and these hydrocarbons are removed from the fractures and cracks of the rock. The organic matter (OM) contained in the limestone is a mixture of terrestrial and marine OM and is thermally immature and mature.
Çiğdem Saydam Eker   +2 more
wiley   +1 more source

Contributions of arid climate and hydrothermal fluid flow on sedimentation in saline‐alkaline lakes: Insight from the Ibar intramontane basin (Southern Serbia)

open access: yesThe Depositional Record, EarlyView.
The article demonstrates that brine was central for the supply of Ca and B to the studied saline lake. The ion transport occurred probably by thermal springs, while contributions from surface waters cannot be excluded. However, the saturation and syndepositional precipitation of Ca borates were initiated by an arid climate through evaporation, while ...
Nevena Andrić‐Tomašević   +8 more
wiley   +1 more source

Death Certification in the UK [PDF]

open access: yesJournal of the Royal Society of Medicine, 2003
John David Rutherford, Steven B. Karch
openaire   +2 more sources

Retrospective Evaluation of Novel Synthetic Opioids and Xylazine Chronic Intake by Post‐Mortem Hair Testing

open access: yesDrug Testing and Analysis, EarlyView.
The study presents a validated UPLC‐MS/MS method applied for the detection of fentanyl, NPFs, xylazine, nitazenes in hair samples from 250 post‐mortem cases collected at the Jefferson County Coroner/Medical Examiner's Office (Birmingham, AL, USA). In 52% of the analyzed hair samples, fentanyl, its main metabolites, and related analogs were detected ...
Marco Ballotari   +6 more
wiley   +1 more source

Leading causes of excess mortality in Mexico during the COVID-19 pandemic 2020-2021: A death certificates study in a middle-income country. [PDF]

open access: yesLancet Reg Health Am, 2022
Palacio-Mejía LS   +17 more
europepmc   +1 more source

Sports Supplement Analysis Survey for the Prevalence of WADA Prohibited Substances in the Australian Online Marketplace

open access: yesDrug Testing and Analysis, EarlyView.
A survey of 200 sports supplements purchased online in Australia and analysed for WADA Prohibited Substances. Athlete education regarding the use of sports supplements remains a high priority as 35% of the products contained WADA Prohibited Substances. ABSTRACT Sports supplements are used extensively by people involved in competitive sports. However, a
Louise Barker   +4 more
wiley   +1 more source

Linkage of Hospital Records and Death Certificates by a Search Engine and Machine Learning. [PDF]

open access: yesJAMIA Open, 2021
Cossin S   +5 more
europepmc   +1 more source

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