Results 161 to 170 of about 292,669 (354)

Side‐on Coordination in Molecular Alkaline Earth Metal Hypofluorites FM(η2‐OF) (M = Mg, Ca, Sr and Ba)

open access: yesAngewandte Chemie International Edition, Accepted Article.
Side‐on coordinated molecular hypofluorites FM(η2‐OF) (M = Mg, Ca, Sr, and Ba) were prepared by co‐deposition of laser‐ablated alkaline earth metal atoms with diluted OF2 in cryogenic matrices. The structures parallel the non‐VESPR structures of alkaline earth metal difluorides and dihydrides, such that FMg(η2‐OF) is planar, FCa(η2‐OF) is planar but ...
Xiya Xia, Robert Medel, Sebastian Riedel
wiley   +1 more source

Geological characteristics and main controlling factors of the helium-rich gas reservoirs in Sozak Gas Field, Kazakhstan

open access: yesJournal of Natural Gas Geoscience
Based on core data, physical properties, well logging, gas testing, composition, and helium distribution from 13 newly drilled wells, in combination with regional tectonic evolution, depositional background, and typical gas reservoir profiles, helium ...
Xiaodan Gu   +3 more
doaj  

Adsorption behavior of helium in quartz slit by molecular simulation

open access: yesScientific Reports
Due to the multiple influences of unique physicochemical properties of helium, petrographic characteristics and temperature and pressure conditions, little is known about the helium adsorption behaviors in minerals and rocks at geological conditions ...
Bing You   +5 more
doaj   +1 more source

Experimental study on the Klinkenberg effect for gas permeability in carboniferous shales, Eastern Qaidam Basin, China

open access: yesEnergy Exploration & Exploitation
It is crucial to understand the conditions and influencing mechanisms of shale gas slip effect for predicting the productivity of shale gas reservoirs.
Jun Gao   +3 more
doaj   +1 more source

The Impact of Pyropheophytin a (PPP) and 1,2‐Diacylglycerols (DAGs) on Extra Virgin Olive Oil Quality and Shelf Life

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
ABSTRACT The quality and shelf life of extra virgin olive oil (EVOO) are pivotal to its marketability and consumer satisfaction. This study evaluated how pyropheophytin a (PPP) and 1,2‐diacylglycerols (DAGs) changed for different varieties of EVOO over a 24‐month storage period under varying temperature conditions (16°C, 18°C, and 20°C).
Xueqi Li   +6 more
wiley   +1 more source

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