Non-toxic sandwich: By trapping mercury nanodroplets between two graphene monolayers, a new type of two-dimensional sandwich electrode is realized, which non-toxic and stable with interesting electrochemical properties.

This paper investigates the difference between thickness of zinc-based alloys oxide films in dynamic condition using the oxide-metal-oxide (OMO) sandwich method and static condition by theoretical calculations. In dynamic condition, the thickness of the oxide film in the OMO sandwich sample was characterized by scanning electron microscopy (SEM). In the static condition, the thickness and type ...

Vibration behavior of different types of porous functionally graded (FG) conical sandwich shells are investigated based on a modified high order sandwich shells theory for the first time. Sandwich shell includes FG face sheets covering a homogeneous core and the second one includes homogeneous face sheets and a FG core. Power law rule modified by considering two types of porosity distributions ...

aluminum foams are a novel branch of advanced materials with superior properties. sandwich structures with aluminum foam core are good energy absorbers. in this paper, mechanical properties and energy absorption of aluminum foam sandwich panels subjected to quasi-static perforation tests with conical-nosed indenter were investigated experimentally. for this purpose sandwich panels consisting of...

In 1995 Golumbic, Kaplan and Shamir defined graph sandwich problems as follows: graph sandwich problem for property Π (Π-sp) Input: Two graphs G = (V,E) and G = (V,E) such that E ⊆ E. Question: Is there a graph G = (V,E) satisfying the property Π such that E ⊆ E ⊆ E? The graphG is called sandwich graph for the pair (G, G). Note that making E = E = E we have the recognition problem for the prope...

Aim: To assess the suitability, sensitivity and specificity of F gene based RT-PCR for detection of PPRV infection in India. Materials and Methods: A total of 26 blood samples collected from 26 animals suspected for Peste des petits ruminant (PPR) were tested by RTPCR using F1/F2 primers set and then compared with sandwich-ELISA for detection of PPR virus. Results: Out of 26 samples tested RT-P...

The immunoglobulin superfamily member CD147 is a widely expressed glycoprotein that occurs in both a membrane‑spanning and soluble form. Sandwich ELISA is a powerful tool for analyzing soluble antigens. The aim of the present study was to obtain a highly specific polyclonal antibody against human CD147 that can be used for sandwich ELISA analysis. Expression of recombinant CD147 by a eukaryotic...

In this paper deflection and free vibration of sandwich panel is studied. The core of Sandwich panels is made of hexagonal honeycomb and faces are made of two different materials of Carbon Fiber Reinforced Plastic and K-aryl/epoxy covering. The governing equations are deduced from the First order Sheer Deformation Theory (FSDT) and they are solved using Generalized Differential Quadrature Metho...

Sandwich composite are used in numerous structural applications, with demonstrated weight savings over conventional metals and solid composite materials. The increasing use of sandwich composites in defense structures, particularly those which may be exposed to shock loading, demands for a thorough understanding of their response to suc highly transient loadings. In order to fully utilize their...

This work examines the performance of composite panels when subjected to underwater impulsive loads. The scaled fluid–structure experimental methodology developed by Espinosa and co-workers was employed. Failure modes, damage mechanisms and their distributions were identified and quantified for composite monolithic and sandwich panels subjected to typical blast loadings. The temporal evolutions...