نتایج جستجو برای: liquid mixture
تعداد نتایج: 303888 فیلتر نتایج به سال:
An extensive series of neutron diffraction experiments and molecular dynamics simulations has shown that mixtures of methanol and water exhibit extended structures in solution despite the components being fully miscible in all proportions. Of particular interest is a concentration region (methanol mole fraction between 0.27 and 0.54) where both methanol and water appear to form separate, percol...
Quantum droplets are small clusters of atoms self-bound by the balance of attractive and repulsive forces. Here, we report on the observation of droplets solely stabilized by contact interactions in a mixture of two Bose-Einstein condensates. We demonstrate that they are several orders of magnitude more dilute than liquid helium by directly measuring their size and density via in situ imaging. ...
Abstract. In this work we deal with the no-slip drift-flux model for gas-liquid flow dynamics. We focus on a situation where there is a free interface separating the gas-liquid mixture from a pure gas region which takes a positive pressure p∗. This situation is highly relevant for gas-liquid flow in the context of wellbore operations. Previous works have assumed that there is vacuum, i.e., the ...
Background and purpose: The potential of liquisolid systems for increasing drug dissolution has been proved in many researches. Recent studies have shown that liquisolid technique is a new and promising method for controlling the dissolution rate of drugs. Based on thermal treating effect on polymer structure, in this study the effects of thermal treating on theophylline release from liquisolid...
Abstract Background and purpose: Recent researches have shown that liquisolid technique is a new and promising method for controlling the dissolution rate of drugs. In this study the effects of Eudragit RS PO and HPMC on theophylline release from liquisolid compacts were evaluated. Materials and methods: Theophylline was dispersed in PEG 200 as the liquid vehicle. Then a binary mixture of car...
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