نتایج جستجو برای: dodecane

تعداد نتایج: 762  

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2004
Lidia Gebicka Monika Jurgas-Grudzinska

Catalase activity and stability in the presence of simple micelles of Brij 35 and entrapped in reverse micelles of Brij 30 have been studied. The enzyme retains full activity in aqueous micellar solution of Brij 35. Catalase exhibits "superactivity" in reverse micelles composed of 0.1 M Brij 30 in dodecane, n-heptane or isooctane, and significantly lowers the activity in decaline. The incorpora...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2013
Frank R Beierlein Andreas M Krause Christof M Jäger Piotr Fita Eric Vauthey Timothy Clark

Modern spectroscopic techniques such as time-resolved second-harmonic-generation spectroscopy allow molecules to be examined selectively directly at phase interfaces. Two-phase systems formed by glycerol/water and alkane layers have previously been studied by time-resolved second-harmonic-generation spectroscopic measurements. In this molecular dynamics study, a triphenylmethane dye was inserte...

ژورنال: آب و فاضلاب 2019

ساختار شیمیایی مواد رنگزای موجود در پساب صنایع نساجی در برابر فرایندهای تصفیه مرسوم شامل روش‌های فیزیکی، شیمیایی و بیولوژیکی مقاوم هستند، راندمان حذف آنها کم است و تولید پساب ثانویه می‌کنند، بنابراین باید از روش‌های پیشرفته دیگری برای حذف ترکیبات آلی این گونه پساب‌ها استفاده شود. در این پژوهش از نانوذرات بیسموت اکسید برای حذف ترکیبات آلی موجود در فاضلاب کارخانه نساجی ار...

2011
Hui-Jeong Jang Sang-Hwal Yoon Hee-Kyung Ryu Jung-Hun Kim Chong-Long Wang Jae-Yean Kim Deok-Kun Oh Seon-Won Kim

BACKGROUND Retinoids are lipophilic isoprenoids composed of a cyclic group and a linear chain with a hydrophilic end group. These compounds include retinol, retinal, retinoic acid, retinyl esters, and various derivatives of these structures. Retinoids are used as cosmetic agents and effective pharmaceuticals for skin diseases. Retinal, an immediate precursor of retinoids, is derived by β-carote...

Journal: :Xibei gongye daxue xuebao 2021

For the purpose of providing scientific insights to combustion characteristics spray jet, numerical calculations reacting and non-reacting cases are performed for ECN (engine network) Spray A (n-dodecane combustion) which coupled finite chemistry model PaSR detailed chemical reaction kinetics based on OpenFOAM. The applicability accuracy is verified in case, it found that predicted such as pene...

2016
A. J. Aspden J. B. Bell F. N. Egolfopoulos

Turbulent lean premixed dodecane/air flames are simulated in a doubly-periodic domain using detailed kinetics and transport over a range of Karlovitz number. We observe extensive thickening of thermal profiles through the flames that increases with turbulent intensity. The high Lewis number of the flames acts to suppress wrinkling of the flame resulting in considerably lower turbulent flame spe...

Journal: :Nano letters 2007
Shoichi Kubo Andres Diaz Yan Tang Theresa S Mayer Iam Choon Khoo Thomas E Mallouk

Alkanethiol-capped gold nanoparticles dispersed in n-dodecane were studied by spectroscopic ellipsometry and were modeled using Mie scattering theory. The refractive index in the visible and near-infrared depended on the volume fraction of gold nanoparticles, in good agreement with the theoretical expectation that such dispersed plasmonic nanoparticles can act as low or tunable refractive index...

2014
Lee A. Fielding Jacob A. Lane Matthew J. Derry Oleksandr O. Mykhaylyk Steven P. Armes

Benzyl methacrylate (BzMA) is polymerized using a poly(lauryl methacrylate) macromolecular chain transfer agent (PLMA macro-CTA) using reversible addition-fragmentation chain transfer (RAFT) polymerization at 70 °C in n-dodecane. This choice of solvent leads to an efficient dispersion polymerization, with polymerization-induced self-assembly (PISA) occurring via the growing PBzMA block to produ...

Journal: :Fizika i tehnika poluprovodnikov 2022

Photoluminescence (PL) of zinc sulfide powder synthesized and doped with Mn 2+ Eu 3+ ions by the method emerging reagents in a dodecane medium was investigated. In absorption excitation spectra PL samples ZnS : (Eu ), bands corresponding to transitions electrons from valence band conduction levels structural defects ZnS, as well transition 4f-electrons ground 7 F 0 excited electronic states wer...

Journal: :Bulletin of the Chemical Society of Japan 1979

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