Results 71 to 80 of about 45,505 (183)

Accelerating Polyester Melt Polycondensation Through Devolatilization Regulated by Disk Openings in a Horizontal Disk Reactor

open access: yesAdvanced Chemical Engineering, Volume 1, Issue 2, December 2026.
Disk openings regulate devolatilization during horizontal melt polycondensation. In polyethylene naphthalate, a four‐opening disk maximizes the apparent EG volumetric mass‐transfer coefficient and aligns EG removal with its generation, shifting equilibrium forward.
Fahu Yang   +6 more
wiley   +1 more source

Nueva aproximación en la simulación computarizada de 1H RMN -1D [PDF]

open access: yes, 2018
Se estudió la evolución de un sistema de dos espines en Resonancia Magnética Nuclear (RMN) 1H-1D teniendo como objetivo el análisis del acople escalar fuerte empleando la aproximación de Trotter-Suzuki (TS).
Potes Echeverri, David
core  

La RMN en chimie organique

open access: yes, 2012
International audienceSince the beginning of 1960s, the RMN is the daily partner of the organic chemist. This article presents four original facets showing that the research in this domain is always extremely dynamic.
Giraud, Nicolas   +5 more
core   +5 more sources

Síntese de novos cristais líquidos iônicos calamíticos luminescentes [PDF]

open access: yes, 2010
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.Cristais líquidos (CL) têm se tornado um campo cada vez mais atraente devido as aplicações em materiais eletrônicos moleculares da atual ...
SILVA, Danilo Henrique de
core  

Determination of Exchangeable and Easily Reducible Manganese in Soil by ICP-OES with Ammonium Chloride Extraction

open access: yesYankuang ceshi
Manganese is an essential and important mineral element for plants. The content of available manganese in soil is very beneficial to plant growth. Exchangeable manganese (ExMn) and easily reducible manganese (RMn) are the two most important forms of ...
Zhangxiong HAN   +6 more
doaj   +1 more source

Structure of outer membrane protein G in lipid bilayers

open access: yesNature Communications, 2017
Porins, like OmpG, are embedded in the outer membrane of bacteria and facilitate uptake and secretion of nutrients and ions. Here the authors present a protocol for solid state NMR structure determination of proteins larger than 25 kDa and use it to ...
Joren S. Retel   +16 more
doaj   +1 more source

Evaluating Decarbonisation Strategies in Container Terminals: A Balance Between Environmental Performance and Economic Viability

open access: yesApplied Research, Volume 5, Issue 6, December 2026.
A structured narrative review of 68 studies evaluates container‐terminal decarbonisation strategies using five criteria. Electrification provides the highest direct abatement, up to about 80%, while renewable energy contributes 30–50%. Digitalisation mainly enables efficiency and compliance.
Iliani Mohd Ikram   +4 more
wiley   +1 more source

Neurons differentially upregulate type 2 immune cytokines and interleukin-4 receptor subtypes during neuroinflammation

open access: yesActa Neuropathologica Communications
Although numerous studies demonstrate beneficial effects of exogenous interleukin-4 (IL-4) in different central nervous system (CNS) disease models, little is known about the expression of IL-4 and its receptor (IL-4R) system in neurons.
Micaela Domingues   +5 more
doaj   +1 more source

Sequential domain assembly of ribosomal protein S3 drives 40S subunit maturation

open access: yesNature Communications, 2016
Ribosome biogenesis involves the hierarchical assembly of several proteins and RNA components. Here the authors describe a mechanism for ribosomal protein S3 incorporation into 40S ribosomal subunits that involves S3 dimerization and stepwise ...
Valentin Mitterer   +9 more
doaj   +1 more source

Patient‐reported outcomes, postoperative pain and pain relief after day‐case surgery (POPPY): acute pain and recovery during the first 7 days

open access: yesAnaesthesia, Volume 81, Issue 12, Page 1686-1695, December 2026.
Summary Introduction The majority of surgical cases in the UK occur in a day‐case setting. Published short‐term follow‐up studies after day‐case surgery are lacking and patterns of recovery including pain and patient reported outcome measures, are largely unknown. Methods Data from the Patient‐reported Outcomes, Postoperative Pain and pain relief after
Matthew Everson   +2177 more
wiley   +1 more source

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