Results 31 to 40 of about 261,411 (259)

Revisiting the applications of drainage capillary pressure curves in water-wet hydrocarbon systems

open access: yesOpen Geosciences, 2016
The main focus of the paper is to introduce a new approach at studying and modelling the relationship of initial water saturation profile and capillarity in water-wet hydrocarbon reservoirs, and describe the available measurement methods and possible ...
Nemes István
doaj   +1 more source

Optimizing photoexcitation conditions for time‐resolved X‐ray solution scattering experiments

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering (TR‐XSS) is a powerful technique to visualize how proteins change their structure in real time after light activation. Selecting the right laser photoexcitation conditions—fluence, excitation geometry, and sample refresh rate—is critical to maximize the experimental signal while avoiding unwanted side effects ...
Matteo Levantino
wiley   +1 more source

Experimental study of gas-brine capillarity measurement at high temperature and pressure

open access: yesIraqi Journal of Chemical and Petroleum Engineering
   Understanding capillary pressure profiles during gas-brine coreflooding is essential for analyzing fluid behavior in porous media, particularly in gas reservoirs.
Hiwa Sidiq
doaj   +1 more source

An underestimated technique. Does pressurized and pressure-assisted capillary electrochromatography have potential in drug and pharmacological-active compounds analysis?

open access: yesCurrent Issues in Pharmacy and Medical Sciences, 2019
Pharmaceutical analysis guarantees patient safety all over the world. Thus, continuous development of existing analytical techniques is still very important.
Trzebiatowski Michal Zmuda   +2 more
doaj   +1 more source

De novo synthesis of short‐chain aldehydes and hydrocarbons secreted by the brown marmorated stink bug Halyomorpha halys

open access: yesFEBS Open Bio, EarlyView.
The brown marmorated stink bug, Halyomorpha halys, mainly secretes 4‐oxo‐(E)‐2‐hexenal, (E)‐2‐decenal, dodecane and tridecane, a mixture representative of that released by many heteropterans. We demonstrated that H. halys can synthesise these secretory components de novo using dietary glucose.
Haruna Fujimori, Koji Noge
wiley   +1 more source

Mechanism of Water Film Acting on Capillary Force in Porous Media of Tight Reservoirs

open access: yesLiaoning Shiyou Huagong Daxue xuebao
The water film formed within the pores of tight reservoirs leads to a distinct "oil⁃core water⁃film" configuration in the distribution of oil and water within the porous medium, which has a significant impact on the flow channels and capillary forces of ...
Xiaoxu DAI   +4 more
doaj   +1 more source

Construct NMR Capillary Pressure Curves by Piecewise Power Function Based on T2 Cutoff Values

open access: yesChinese Journal of Magnetic Resonance, 2019
To some extent, pore throat structures of the rock can be characterized by NMR T2 distribution and capillary pressure curve. Theoretical analysis showed that NMR T2 distribution of a rock could potentially be used to derive its capillary pressure curve ...
LIU Zhuo   +5 more
doaj   +1 more source

The Role of Calcitonin Gene‐Related Peptide in High‐Altitude Headache: A Prospective Field Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective High‐altitude headache (HAH) is a common neurological condition associated with rapid ascent to high altitude. The pathophysiological mechanisms underlying HAH remain incompletely understood. Calcitonin gene‐related peptide (CGRP), a neuropeptide implicated in migraine pathophysiology, may play a key role in the pathophysiology of ...
Roman Schniepp   +4 more
wiley   +1 more source

Characterization of N2 foam flow with in-situ capillarypressure measurements in a high-permeability homogeneous sandpack: effect of surfactant concentration and flowrate

open access: yesScientific Reports
Determining the capillary pressure during foam flow in porous media is important because bubbles are thought to coalesce by lamella rupture as the "limiting capillary pressure" is approached.
Chutian Bai   +7 more
doaj   +1 more source

Comprehensive Assessment of Arterial, Tissue, and Venous Collaterals for Evaluating the Infarct Growth Rate: The Multimodal Collateral Score

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Collaterals are crucial factors that influence the infarct growth rate (IGR). We aimed to determine whether a comprehensive multimodal collateral score (MCS), incorporating collateral assessment at the arterial, tissue, and venous levels, is associated with functional independence and provides incremental prognostic value over ...
Giorgio Busto   +12 more
wiley   +1 more source

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