– Trains of juxtaposed drops in a tube are described and found to move spontaneously, in wetting conditions, because of their asymmetry. We focus on the coating properties of these devices, and show in particular that highly viscous species can be (self-) transported, thanks to the lubricating film left by the first drop. Different properties of these systems are finally displayed, which stress...

To clarify the correspondence between Shielding Effectiveness (SE) of shielding materials and their physical property, we propose an equivalent circuit for a shielding effectiveness test apparatus using a dual TEM cell, and show its validity. By considering the structure of dual TEM cell that consists of a pair of cells coupled via an aperture in their common wall, we defined the capacitance C ...

Xi'an Modern Chemistry Research Institute, 163.com; [email protected] National Laboratory of Mineral Materi Technology, China University of Geosciences Center for Applied Physics and Technology, and IFSA Collaborative Innovation Center, China. E-mail: [email protected] State Key Laboratory of Molecular Reaction Academy of Sciences, Beijing 100190, China † Electronic supplementary information (...

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A dual-reciprocity boundary element method is presented for the numerical solution of initial-boundary value problems governed by a nonlinear partial differential equation for heat conduction in nonhomogeneous anisotropic materials. To assess the validity and accuracy of the method, some specific problems are solved. © 2009 Wiley Periodicals, Inc. Numer Methods Partial Differential Eq 000: 000–...

The first route is frequently used as the organic matrix is synthesized from free radical polymerization. In this work, we focused our studies on the other routes as the objective was to prepare hybrid materials from non-fonctionalised polyamidine and from functionalised polyamidine. The inorganic content, i.e. SiO2 equivalent content, of O/I materials was increased by adding tetraethoxysilane ...

BACKGROUND In radiation therapy, the principal dosimetric quantity of interest is the absorbed dose to water. Therefore, a dose conversion to dose to water is required for dose deposited by ion beams in other media. This is in particular necessary for dose measurements in plastic phantoms for increased positioning accuracy, graphite calorimetry being developed as a primary standard for dose to ...

an efficient, simple and convenient route is described for the synthesis of biscoumarin (3,3'-(arylmethylene) bis (4-hydroxy-2h-chromen-2-one)) by using of recyclable catalyst tio2@ksf. in this method, we synthesis biscoumarin derivatives via 3multi-component reactions (3mcrs) of two equivalent 4-hydroxycoumarin with one equivalent of aromatic aldehydes using 20 mg nano tio2@ksf as homogen...

The equivalent circuit model for artificial magnetic materials based on various arrangements of split rings is generalized by taking into account losses in the substrate or matrix material. It is shown that a modification is needed to the known macroscopic permeability function in order to correctly describe these materials. Depending on the dominating loss mechanism (conductive losses in metal...