Results 81 to 90 of about 1,670 (266)

Glacier mass variation and its effect on surface runoff in the Beida River catchment during 1957–2013

open access: yesJournal of Glaciology, 2017
Using in-situ measured data from Qiyi Glacier, in combination with meteorological and run-off data from stations, a distributed degree-day model was developed for 631 investigated glaciers in the Beida River catchment to explore glacier mass change and ...
SHENG WANG   +3 more
doaj   +1 more source

Ac‐SDKP modulates apoptosis via HSP27 and the FAS/FASL and mitochondrial axes

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Schematic diagram of Ac‐SDKP regulating the FAS/FASL and mitochondrial apoptosis pathways via HSP27. Ac‐SDKP inhibits HSP27 expression, activates the FAS/FASL pathway and Caspase‐3 signaling, increases Caspase‐8 and Caspase‐3 expression, and induces cell apoptosis.
Wenxin Guo   +13 more
wiley   +1 more source

Optimization of Saponification Process for Quantification of Individual and Total Tocopherols and Phytosterols in Canola Oil Refining By‐Products

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
ABSTRACT In this study, saponification variables were optimized using a face‐centred central composite design‐response surface methodology. The variables included reaction temperature (50°C–120°C), reaction time (30–180 min), KOH concentration (0.5–3 M) and pyrogallol concentration (0–1% w/v).
Milad Kazemi   +4 more
wiley   +1 more source

Calving laws and where to find them

open access: yesJournal of Glaciology
Calving from tidewater glaciers and ice shelves is an important component of global mass balance and may contribute significantly to future sea-level rise.
Douglas I. Benn   +9 more
doaj   +1 more source

Synthesis of a Novel Amine‐Based Curing Agent for Epoxy Resins Derived From Vanillin

open access: yesJournal of Applied Polymer Science, EarlyView.
The four‐step synthesis of a new bio‐based amine hardener is described starting from vanillin as a bio‐based compound. The hardener ADBA was utilized to cure DGEBA and the resulting Tg,tanδmax was determined via DMA. Compared to other bio‐based curing agents, our curing agent is obtainable in a high yield and leads to a superior Tg of 135°C.
Bastian Hahn   +3 more
wiley   +1 more source

Assessing the dynamic changes and the effect of buoyancy of lake-terminating Yanong Glacier in the southeastern Tibetan Plateau with UAV surveys

open access: yesJournal of Hydrology: Regional Studies
Study region: Yanong Glacier, a lake-terminating glacier, in the southeastern Tibetan Plateau. Study focus: Previous researches had indicated higher mass loss of lake-terminating glaciers than land-terminating glaciers over the past few decades. However,
Kunpeng Wu   +6 more
doaj   +1 more source

Glacier volume response time and its links to climate and topography based on a conceptual model of glacier hypsometry [PDF]

open access: yesThe Cryosphere, 2009
Glacier volume response time is a measure of the time taken for a glacier to adjust its geometry to a climate change. It has been previously proposed that the volume response time is given approximately by the ratio of glacier thickness to ablation at ...
S. C. B. Raper, R. J. Braithwaite
doaj  

Origin, evolution and biogeographic dynamics of the European rabbit (Oryctolagus cuniculus) in Southwestern Europe

open access: yesThe Anatomical Record, EarlyView.
Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley   +1 more source

New techniques for old bones: Morphometric and diffeomorphometric analysis of the bony labyrinth of the Reilingen and Ehringsdorf Neandertals

open access: yesThe Anatomical Record, EarlyView.
Abstract Neandertals are known to possess very distinctive traits in their bony labyrinth morphology, such as an inferiorly positioned posterior canal and a very low number of turns in the cochlea. Hence, the inner ear has been often used to assess the Neandertal status of fragmentary fossils.
Alessandro Urciuoli   +6 more
wiley   +1 more source

First Alps-wide reconstruction of LGM glacial sediment transport enabled by GPU-accelerated particle tracking [PDF]

open access: yesEarth Surface Dynamics
Reconstructing the transport histories and provenances of glacial sediments and ice-contact deposits (e.g. tills, moraines) in formerly glaciated regions remains a major challenge, particularly at icefield- to ice-sheet scales and over multi-millennial ...
T. P. M. Leger   +10 more
doaj   +1 more source

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