نتایج جستجو برای: immiscible phases

تعداد نتایج: 111212  

2016
Daniel C. Fredrickson

Intermetallic phases have been known as a realm of “endless wonders”, whose expansion can be tracked first through the thick volumes of Pearson’s Handbook of Crystal Data on Intermetallic Phases of the 1990s to online crystal structure databases whose scale is measurable only in disk space. The structural data in these resources has shaped many of our views about the solid state. For example, w...

2001
Robert J. Glass Harihar Rajaram Michael J. Nicholl Russell L. Detwiler

In fractured porous media, interactions between immiscible fluid phases within the fractures place a critical control on system behavior. A key component of the interactions is the geometry, or structure, of the respective phases. Over the past 10 years, process-based experiments have greatly increased our understanding of phase structure development within individual fractures. In the past 2 y...

Mohsen Masihi, Sara Ma’soum

Simultaneous capillary dominated displacement of the wetting and non-wetting phases are processes of interest in many disciplines including modeling of the penetration of polluting liquids in hydrology or the secondary migration in petroleum reservoir engineering. Percolation models and in particular invasion percolation is well suited to characterize the slow immiscible displaceme...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2007
Carolyn M McQuaw Leiliang Zheng Andrew G Ewing Nicholas Winograd

The location of each lipid in a palmitoyloleoylphosphatidylcholine/18:0 sphingomyelin/cholesterol monolayer system is laterally resolved using imaging time-of-flight secondary ion mass spectrometry (TOF-SIMS) without the necessity of adding fluorescent labels. This system of coexisting immiscible liquid phases shows cholesterol domains with sizes and shapes comparable to those in the fluorescen...

Journal: :J. Visualization 2012
T. Uemura Yoshiaki Ueda Manabu Iguchi

The mass transfer between immiscible two-liquid phases can be greatly enhanced by bubbling gas through a reactor. Numerous micro water droplets breaking out from a ruptured water film around a rising bubble through the oil (upper phase)/water (lower phase) interface were demonstrated in the preceding paper (Uemura T., Ueda Y. and Iguchi M., Europhys. Lett., 92 (2010) 34004). In this letter, we ...

Journal: :Physical review letters 2005
Mark A Horsch Zhenli Zhang Sharon C Glotzer

We present results of molecular simulations that predict the phases formed by self-assembly of nanorods functionalized by a polymer "tether." Microphase separation of the immiscible tethers and rods coupled with the liquid crystal ordering of the rods induces the formation of a cubic phase, a smectic C phase, a tetragonally perforated lamellar phase, and a honeycomb phase; the latter two have b...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Gen Sazaki Salvador Zepeda Shunichi Nakatsubo Makoto Yokomine Yoshinori Furukawa

Ice plays crucially important roles in various phenomena because of its abundance on Earth. However, revealing the dynamic behavior of quasi-liquid layers (QLLs), which governs the surface properties of ice crystals at temperatures near the melting point, remains an experimental challenge. Here we show that two types of QLL phases appear that exhibit different morphologies and dynamics. We dire...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1991
M B Sankaram T E Thompson

The fluid-phase behavior of binary mixtures of cholesterol with phosphatidylcholines is investigated using magnetic resonance methods. Phospholipid biradicals provide the electron spin resonance spectroscopic resolution of two immiscible fluid phases in the dipalmitoylphosphatidylcholine-cholesterol system. Isotropic chemical shifts of the phospholipid carbonyl carbons in binary mixtures with c...

2012
S. Adami

Surface tension effects can dominate multi-phase flows when the length scales of the problem are small. The resulting Capillary forces at a phase interface between two immiscible fluids are proportional to the local curvature of the flow and try to minimize the interfacial area. A more complex situation occurs when three phases are in contact or when two phases are in contact with a wall. The s...

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