نتایج جستجو برای: سورفکتنات aot

تعداد نتایج: 821  

Journal: :Anticancer research 2013
Francesca Angiero Rolando Crippa

UNLABELLED The adenomatoid odontogenic tumor (AOT) is an uncommon tumor of odontogenic origin, composed of odontogenic epithelium and characterized by slow but progressive growth. We report a rare case of AOT in an 18-year-old, who presented with a palpable bony-hard swelling in the anterior maxillary region. The tumor was radiographically well-defined, and exhibited unilocular radiolucency. Hi...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2015
Masoumeh Karvar Filip Strubbe Filip Beunis Roger Kemp Nathan Smith Mark Goulding Kristiaan Neyts

Aerosol OT (AOT) is a commonly used surfactant and charging agent in nonpolar liquids. Properties such as the conductivity of AOT suspensions in nonpolar liquids and the behavior of charged AOT inverse micelles at interfaces have been studied recently, but still little is known about the generation dynamics of charged AOT inverse micelles. In this article, the generation dynamics of charged AOT...

Journal: :Optics express 2014
Jingjiang Xu Xiaoming Wei Luoqin Yu Chi Zhang Jianbing Xu K K Y Wong Kevin K Tsia

Enabled by the ultrahigh-speed all-optical wavelength-swept mechanism and broadband optical amplification, amplified optical time-stretch optical coherence tomography (AOT-OCT) has recently been demonstrated as a practical alternative to achieve ultrafast A-scan rate of multi-MHz in OCT. With the aim of identifying the optimal scenarios for MHz operation in AOT-OCT, we here present a theoretica...

2015
R. T. Wilson

Aerosol Optical Thickness (AOT) is an important parameter in Radiative Transfer Models (RTMs) used for atmospheric correction of remotely-sensed data. It is often estimated from horizontal visibility measurements by use of the Koschmieder formula or other related methods built into RTMs. This paper assesses the accuracy of this estimation, in the context of atmospheric correction, by comparing ...

2013
Khalid Kanan Hala Yousef Ibrahim Kayali

The phase behavior for systems containing sodium bis(2-ethylhexyl sulfosuccinate) (AOT), with the cationic hydrotrope tetraethyl ammonium chloride (TEAC), in the presence of water and heptane were studied. Formulations of microemulsion for such systems and for systems containing the so called “extended surfactant” were carried out at different salt concentrations. Anisotropy was detected using ...

2005
M. HENTSCH E. FLASCHEL A.

Knowledge about the distribution of surfactants between aqueous and reverse micellar phases as well as the association of suffactants with proteins are of major importance for assessing the practical feasibility of protein extraction by means of reverse miceUar systems. The question of the fate of the suffactant has been addressed for the classical reverse micellar system based on brine/AOT/iso...

Journal: :Physical review letters 2004
Y Kawabata M Nagao H Seto S Komura T Takeda D Schwahn N L Yamada H Nobutou

We performed small-angle neutron scattering and neutron spin echo experiments on a ternary microemulsion composed of ionic surfactant AOT, water, and decane. Thermal fluctuations of monolayers have been investigated as a function of temperature and pressure. The amphiphilic monolayers become more flexible with increasing temperature and more rigid with increasing pressure. These results are con...

2015
M. Saito

An optimal-estimation algorithm for inferring aerosol optical properties from digital twilight photographs is proposed. The sensitivity of atmospheric components and surface characteristics to brightness and color of twilight sky is investigated, and the results suggest that tropospheric and stratospheric aerosol optical thickness (AOT) are sensitive to condition of the twilight sky. The coarse...

2007
T. A. Jones

The statistical variability of globally averaged MODIS aerosol optical thickness at 0.55μm (AOT) and top of atmosphere CERES cloud-free shortwave radiative effect (SWRE) is presented. Statistical variability is defined as the robustness of globally averaged statistics relative to data distribution. At the CERES footprint level, which we label “raw data”, both the AOT and SWRE data derived from ...

2011
J. H. Jiang H. Su C. Zhai S. T. Massie

Satellite observations show that ice cloud effective radius (re) increases with ice water content (IWC) but decreases with aerosol optical thickness (AOT). Using leastsquares fitting to the observed data, we obtain an analytical formula to describe the variations of re with IWC and AOT for several regions with distinct characteristics of re-IWCAOT relationships. As IWC directly relates to conve...

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