Results 41 to 50 of about 1,601,981 (328)

Osteological correlates of the respiratory and vascular systems in the neural canals of Mesozoic ornithurines Ichthyornis and Janavis

open access: yesThe Anatomical Record, EarlyView.
Abstract In birds, the neural canal houses a variety of anatomical structures including the spinal cord, meninges, spinal vasculature, and respiratory diverticula. Among these, paramedullary diverticula and the extradural dorsal spinal vein may leave behind osteological correlates in the form of pneumatic foramina and fossae, and a bilobed geometry of ...
Jessie Atterholt   +5 more
wiley   +1 more source

Management of a chronic radiation necrosis wound with lyopreserved placental membrane containing viable cells

open access: yesClinical Case Reports, 2019
Key Clinical Message This case report describes management of a chronic radiation wound in a patient with multiple comorbidities using a lyopreserved placental membrane containing viable cells (vLPM).
Matthew J. Regulski   +2 more
doaj   +1 more source

Report on Mini-conference on Sludge Disposal Alternatives in the Ocean off Southern California, 8 September 1976 [PDF]

open access: yes, 1976
The purpose of the conference was to review the status of our capability to predict the environmental effects of the disposal of digested sewage sludge in the ocean off the coast of Southern California.
Brooks, Norman H., Isaacson, Morton S.
core  

Developing a macroecology for human‐altered ecosystems

open access: yesEcography, EarlyView.
Although anthropogenically‐induced ecological disruptions are fundamentally important in defining ecosystem properties, they are largely overlooked by macroecological theory. Anthropogenic disruptions and their effects are generally not comparable to one another, nor to disturbances that are part of natural disturbance regimes.
Erica A. Newman   +7 more
wiley   +1 more source

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+2 more sources

Quantitative evaluation of mineral admixtures on the properties, pore structure, and durability of cement-based composites

open access: yesScience and Engineering of Composite Materials, 2012
The influence of water/cementitious material ratio, silica fume, and fly ash as partial Portland cement replacement materials on the properties, pore structure, and durability of cement-based composites was evaluated by conducting compressive strength ...
Lee Chinlai, Chi Maochieh, Huang Ran
doaj   +1 more source

Characterization of complete chloroplast genome of Ulva torta (Mertens) Trevisan, 1841

open access: yesMitochondrial DNA. Part B. Resources, 2022
Ulva torta (Mertens) Trevisan, 1841 was a global temperate widespread species. Green tide blooms caused by the green algae of the Ulva species occurred frequently in China.
Qinlin Wen   +7 more
doaj   +1 more source

Multivariate statistical modelling of the drivers of compound flood events in south Florida [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2020
Miami-Dade County (south-east Florida) is among the most vulnerable regions to sea level rise in the United States, due to a variety of natural and human factors.
R. Jane   +3 more
doaj   +1 more source

The natural resources of Carpinteria Marsh: their status and future [PDF]

open access: yes, 1976
The purpose of this report is: 1) to document the natural resources of Carpinteria Marsh, 2) outline the uses those resources receive, 3) enumerate the problems and conflicts of use that affect those resources, and 4) recommend measures that will protect
Browning, Bruce M.   +3 more
core  

Needle‐shaped diatom frustules in food as a possible promoter of esophageal squamous cell carcinoma in coastal southeastern China: A pilot study

open access: yesInternational Journal of Cancer, EarlyView.
What's New? Esophageal squamous cell carcinoma (ESCC) incidence varies worldwide, suggesting that local environmental and dietary factors are influential. In coastal southeastern China, food products derived from small filter‐feeding fish are important dietary components, though their consumption increased ESCC risk.
Haisheng Wu   +10 more
wiley   +1 more source

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