Results 41 to 50 of about 14,851 (247)
COMPOSITION AND STRUCTURE OF RESIN COMPONENTS OF LIGHT OIL AND HEAVY OILS
Известия Томского политехнического университета: Инжиниринг георесурсов, 2019 The relevance of the work is caused by the need to gather and summarize the information on composition and structure of resin components of oils of different chemical nature, since the structural characteristics of resins have a significant impact on the
Natalia N. Gerasimova +4 more
doaj +1 more source
The Behavior of Cyclohexane Confined in Slit Carbon Nanopore [PDF]
arXiv, 2015 It is well known that confining a liquid into a pore strongly alters the liquid behavior. Investigations of the effect of confinement are of great importance for many scientific and technological applications. Here we present a molecular dynamics study of the behavior of cyclohexane confined in carbon slit pores.
arxiv
Advanced Materials, EarlyView.This study introduces a multimodal nonlinear microscopy approach using upconverting nanoparticles (UCNPs) under continuous‐wave excitation. The UCNPs exhibit high‐order nonlinear optical responses, enabling deep‐tissue 3D imaging, video‐rate wide‐field imaging, and depth‐selective photomodulation.
Jeongmo Kim +13 more
wiley +1 more source
Advanced Materials Interfaces, EarlyView.Surface topographical deformation is enhanced in liquid crystal polymer/oligomer network coatings by integrating nonreactive liquid crystal 5CB as a plasticizer, which facilitates the creation of dynamic polymer‐based solid optical devices. Abstract Surfaces with dynamic topographies play a pivotal role in modern technology by providing adaptable ...
Yuxin You +6 more
wiley +1 more source
Bond Energy Sums in Benzene, Cyclohexatriene and Cyclohexane Prove Resonance Unnecessary [PDF]
arXiv, 2008 The recent new structure of benzene shows that it consists of three C atoms of radii as in graphite alternating with three C atoms with double bond radii. This is different from the hypothetical cyclohexatriene (Kekule structure) involving alternate double and single bonds. It was shown that the difference in the bond energy sum of the atomic structure
arxiv
Bridging Heterogeneity Dictates the Microstructure and Yielding Response of Polymer-Linked Emulsions [PDF]
arXiv, 2023 Soft materials possessing tunable rheological properties are desirable in applications ranging from 3D printing to biological scaffolds. Here, we use a telechelic, triblock copolymer polystyrene-b-poly(ethylene oxide)-b-polystyrene (SEOS) to form elastic networks of polymer-linked droplets in cyclohexane-in-water emulsions. The SEOS endblocks partition
arxiv
The Impact of Donor‐Orientation on the Emission Properties of Chlorinated Trityl Radicals
Advanced Optical Materials, EarlyView.Chlorinated trityl radicals with electron‐donating groups enable efficient red emission for optoelectronics. Donor orientation and steric constraints regulate vibronic coupling, influencing luminescence. A novel trityl derivative with restricted donor alignment minimizes non‐radiative decay, enhancing quantum yield.
Mona E. Arnold +9 more
wiley +1 more source
The autoignition of cyclopentane and cyclohexane in a shock tube [PDF]
PROCEEDINGS OF THE COMBUSTION INSTITUTE 31 (2007) 277-284, 2007 Ignition delay times of cyclohexane-oxygen-argon and cyclopentane-oxygen-argon mixtures have been measured in a shock tube, the onset of ignition being detected by OH radical emission. Mixtures contained 0.5 or 1 % of hydrocarbon for equivalence ratios ranging from 0.5 to 2.
arxiv
Advanced Optical Materials, EarlyView.Curcuminoid boron difluoride dyes containing triphenylamine units are prepared and their photophysical and electrochemical properties are investigated. These new light‐emitting dyes are used in organic light‐emitting diodes (OLEDs) emitting at 800 nm with 1% external quantum efficiency, and show low threshold amplified spontaneous emission in thin ...
Anthony D'Aléo +11 more
wiley +1 more source
Oxidative Coupling of ?,? - Di(cyclopentadienyl)alkyl-diides
CHIMIA, 1991 The CuII-induced oxidative coupling of ?,?-di(cyclopentadienyl)alkyl-diides 6 (n = 2 to 5) – as well as of 1,1,2,2-tetramethyl derivatives 10 and 13 of 6a (n = 2) – has been investigated in view of pertinent questions concerning the 'coupling ...
Shaochun You +2 more
doaj +2 more sources