Materials Literature
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Recently, several new techniques such as LIPP, PIPS, PEA and TP methods have been developed to measure directly the space charge distributions in insulating polymers. Many papers have been published on space charge in insulating materials. In this paper, the space charge measurement techniques and space charge in poly…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEfficient blue luminescence of a conjugated polymer exciplexJohn A. Osaheni and Samson A. JenekheCite this: Macromolecules 1994, 27, 3, 739–742Publication Date (Print):January 1, 1994Publication History Published online1 May 2002Published inissue 1 January 1994https://pubs.a…
The shape memory alloy (SMA) stress-strain response associated with martensitic twinning hysteresis and austenite-martensite/martensite-austenite superelasticity is modeled using constitutive equations. Compared to the modeling work done on viscoelastic and viscoplastic be havior, this has been an area of limited stud…
In recent studies it has been shown how the effects of classical eddy current losses can be used to extend the quasi-static hysteresis model to account for the frequency dependence of hysteresis in electrically conducting media. This paper deals with the extension of the hysteresis model to include anomalous or excess…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTwo-step spin conversion of [FeII(5-NO2-sal-N(1,4,7,10))]: 292, 153, and 103 K x-ray crystal and molecular structure, infrared, magnetic, Moessbauer, calorimetric, and theoretical studiesDidier Boinnard, Azzedine Bousseksou, Ary Dworkin, Jean Michel Savariault, Francois Varr…
Fundamentals of DSC method and analysis of methodical factors affecting the results of quantitative measurements main transitions in the disordered structure of flexible-chain polymers features of relaxational transitions in different types of polymer revealed by DSC data relaxational transitions in multicomponent and…
This paper presents an arc-furnace model consisting of nonlinear, time varying resistance where time-variation laws of arc length are considered. One consists of a periodic, sinusoidal law, the other of a band-limited white-noise law. The arc-furnace model is implemented by EMTP, referring to actual electric-plant con…
All articles of this category An improved and efficient synthesis of tetrathiafulvalene-2,3,6,7-tetrathiolate (TTFTT) 5 is reported. TTF-tetrathiolate 5 was generated from 2,3,6,7-tetrakis(2′-cyanoethylthio)tetrathiafulvalene ( 11 ) under basic conditions at room temperature and was subsequently reacted with a range o…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhysical Properties and Biodegradability of Microbial Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)Eihaku Shimamura, Kenichi Kasuya, Genta Kobayashi, Takeshi Shiotani, Yu Shima, and Yoshiharu DoiCite this: Macromolecules 1994, 27, 3, 878–880Publication Date (Print):January 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRigid rod conjugated polymers for nonlinear optics: 1. Characterization and linear optical properties of poly(aryleneethynylene) derivativesM. Moroni, J. Le Moigne, and S. LuzzatiCite this: Macromolecules 1994, 27, 2, 562–571Publication Date (Print):January 1, 1994Publicatio…
Diamond, the sp3-bonded allotrope of carbon, has long held a special place in the hearts and minds both of scientists and the public at large. For the latter, the word diamond may conjure up images of 57 facetted brilliant gem stones, Amsterdam or mines
An approach for the modification of electrode surfaces with thin films composed of polyoxometallate anions and large water‐soluble cationic species is described. In the procedure, a ca . monolayer of the iso‐ or heteropolyanion is first adsorbed onto the electrode surface. By immersing the resulting system into a solu…
Article Electrochemical Behaviour of Some Mechanically Alloyed Mg — Ni-Based Amorphous Hydrogen Storage Alloys* was published on January 1, 1994 in the journal Zeitschrift für Physikalische Chemie (volume 183, issue 1-2).
Zinc-containing neurons are cells that sequester zinc in their presynaptic vesicles and release it in a calcium- and impulse-dependent manner. The zinc-containing neurons are a subclass of the glutaminergic neurons: all known zinc-containing pathways are also glutaminergic pathways. With a few exceptions, zinc-contain…
Bulk properties surface properties nitrogen in diamond Ni, Si, H and O in diamond radiation damage ion implantation and diffusion decay times of luminescence and laser action carbon isotope effects donors, acceptors and electrical conductivity technology of surfaces metastable growth high T, high P synthesis.
T. Jørgensen, T. K. Hansen and J. Becher, Chem. Soc. Rev., 1994, 23, 41 DOI: 10.1039/CS9942300041
Knowledge, both from the three-dimensional structures of homologous proteins and from the general analysis of protein structure, is of value in modeling a protein of known sequence but unknown structure. While many models are still constructed at least in part by manual methods on graphics devices, automated procedure…
ADVERTISEMENT RETURN TO ISSUEPREVarticleNEXTSynthesis of a doubly interlocked [2]-catenaneJean Francois Nierengarten, Christiane O. Dietrich-Buchecker, and Jean Pierre SauvageCite this: J. Am. Chem. Soc. 1994, 116, 1, 375–376Publication Date (Print):January 1, 1994Publication History Published online1 January 1994Publ…
The complexation of cis or trans meso-dipyridyl porphyrins by cis or trans substituted metal ions (PdII, PtII) of square planar coordination geometry leads to the self-assembly of multiporphyrin arrays of square architecture.
Adsorption isotherms of argon, nitrogen and oxygen have been determined at 77 K on a sample of MCM-41, a novel form of aluminosilicate. All the isotherms are Type IV in the IUPAC classification. The argon and oxygen isotherms exhibit well defined hysteresis loops, whereas the nitrogen isotherm is completely reversible…