Materials Literature
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Promoted ignition, and more recently, promoted combustion are terms which have been used to describe a situation where a substance with low oxygen compatibility ignites and promotes the combustion of a more combustion resistant material. The literature in recent years has been enriched by studies of this phenomenon as…
Since the development of Nickel-Metal Hydride (NiMH) batteries in the late eighties of the previous century, these batteries have become widely accepted in our present-day portable society. In the very early days of the current century this battery type has become even more popular in portable electronics than any oth…
The paper describes the compilation and maintenance of a database on nuclear fuel performance for the purpose of code development and validation. This work is carried out in close cooperation and coordination between the OECD/NEA, the IAEA and the IFE/OECD/Halden Reactor Project. The paper outlines the background behi…
This paper reports on the development of an improved pulsed electro-acoustic (PEA) system to measure the space charge characteristics in the bulk of polyethylene insulation subjected to an applied voltage with a range of frequencies from zero to 100 Hz. The system enables multiple measurements to be taken at various p…
The magnetization properties of grain-oriented silicon steel sheets under bending stress are not a simple combination of the properties due to tensile stress on the convex side and compressive stress on the concave side. Domain structures on both sides are different from the structure of independent stress of tension…
Spectral and fluorescent properties of ketocyanine dyes (polyenic bis‐ ω , ω ′ ‐aminoketones) and cation‐anionic polymethine dyes of various structures were studied. The symmetric ketocyanines were shown to have a long‐wavelength absorption band bathochromically shifted in comparison with that of the asymmetric ketocy…
Ionic and non-ionic liquid crystalline polymethacrylates were synthesized, and their thermal and liquid crystalline properties were compared. Both the ionic and non-ionic liquid crystalline polymethacrylates exhibited a thermotropic smectic A phase. An isotropization temperature of the ionic liquid crystalline polymet…
Crystallization of a series of liquid crystalline copolyesters prepared from p-hydroxybenzoic acid (HBA), hydroquinone (HQ), terephthalic acid (TA), and poly(ethylene terephthalate) (PET) was investigated by using differential scanning calorimetry (DSC). It was found that these copolyesters are more crystalline than c…
Solubility proves to be a major hurdle for the successful development and commercialization of new drug products. Since 40% of the active substances being identified through the new paradigm in high – throughput screening are lipophilic. So, its viability as a potential new drug candidate reduces manifold. Becau…
[A new species of a cladoceran from a crater-lake, located at 4120 m a.s.l. in the volcano Nevado de Toluca, Mexico, is here described. It belongs to the genus Ilyocryptus, and is distinguished mainly by a combination of features, including an incomplete moulting; the anal opening is located on the distal end of the p…
Abstract Dinuclear compounds (R4N)2[Co2Cl4(4-XC6H4O)2] (X = H, CH3; R = CH3, C2H5) were prepared, and their temperature-variable magnetic susceptibilities were determined to evaluate the exchange-coupling strength's between the cobalt(II) ions. The coupling strength of (Et4N)2[Co2Cl4(4-CH3C6H4O)2] was considered in te…
The aim of this article was to investigate the effect of a NaA-type zeolite on a polydimethylsiloxane (PDMS)–zeolite composite. The obtained results show that the introduction of a NaA-type zeolite into polysiloxane matrices results in a change of the equilibrium degree of swelling (DSe) of composites in toluene, thei…
In order to obtain a new kind of antiferroelectric (AFEt) ceramics wi th lower AFEt-Ferroelectric (FER) switching field Ef and less hysterisis loss ΔE for application of large displacement actuato r, Ba2+ ionics was employed to control the relative stability between AFEt, FER, and parroelelctrics (PEc) phases in (Pb0…
The solubility of water vapour in the CaO‐SiO 2 ‐Al 2 O 3 ‐MgO quaternary slag system was measured using an inert gas fusion technique with thermal conductivity detection. The slags were equilibrated with argon‐water vapour mixture corresponding to 0.157 bar of water vapour pressure at 1873 K. The slag solubility of w…
Effect of crude oil on compressive, splitting-tensile, and flexural tensile strength of concrete under short-term an~ Lr~g-term loading, were investigated. Results show that the rate of crude oil absorption is high at early stages of soaking, but this rate decreases with time. There is a reduction in the absorption b…
Chemical inhibitors that prevent the formation of sulphate and carbonate mineral scale formation are used in field squeeze treatments. The demand for competent evaluation of all issues associated with mineral scaling in wells and pipelines is continuous throughout the lifetime of any producing asset and the cost impli…
In this paper,La 0.66 x Li 3x TiO 2.993 (x≤0.11) series oxides were synthesized hydrothermally.The crystallite products were characterized by mean of XRD,IR,SEM,XPS and ICP.The results indicated that the product with cubic perovskitr type structure has a particle size in the range of 100～800nm with agglomeration to a…
The electrodeposition of a sufficiently large amount of silver on silver films at high over potentials leads to excellent substrates for surface-enhanced Raman scattering (SERS) spectroscopy. The surfaces roughened in this manner show great uniformity across the active area and exhibit SERS enhancement factors which a…
Poly(aniline-co-o-chloroaniline) salts were synthesized by chemical copolymerization of aniline with o-chloroaniline using three different acids. The polymer salt samples were heat treated at four different temperatures (150, 200, 275 and 375 °C) and the thermal stability of the polymer salts were studied by conductiv…
Gd 2 O 3 :Eu phosphor particles of high brightness were directly prepared by the spray pyrolysis from solution with boric acid flux. The particles prepared from solutions with boric acid flux had higher photoluminescence (PL) intensities than that of particles prepared from solution without flux. The particles prepare…