Materials Literature
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The hydrated complexes 18-crown[6]·[NH4][H2PO4]0.5[HSO4]0.5·H2O (1), 18-crown[6]·Rb[H2PO4]0.5[HSO4]0.5·3H2O (2), 18-crown[6]·Cs[H2PO4]0.5[HSO4]0.5·3H2O (3) and 18-crown[6]·Cs[HSO4]·2H2O (4) have been quantitatively prepared by the mechanical mixing of crystalline 18-crown[6], and M[H2PO4] and/or M[HSO4] inorganic salt…
The effect of temperature on natural frequency and damping is investigated in two different composite materials, Kevlar 29 fiber woven and polyethylene cloth, used especially to design ballistic armor. A damping monitoring method is used experimentally to measure the frequency response curve and it is also modeled num…
Photodynamic therapy (PDT) involves a combination of a lesion-localizing photosensitizer with light and has been established as a new modality for some medical indications. Much evidence has shown the correlation between subcellular localization of a photosensitizer with its photodynamic efficiency. However, the fluor…
Datasets of common hydrogen bonding motifs have been generated using the functionality available in the Materials Module of Mercury 2.0. These datasets were divided on the grounds of space group type (centrosymmetric, Sohncke and non-centrosymmetric/non-Sohncke) and chirality. Comparisons of the populations of the sub…
Porphyrin-functionalized oligo(phenyleneethynylene)s (OPE) are promising molecules for molecular electronics applications. Three such molecules (1-3) with the common structure P-OPE-AG (P and AG are a porphyrin and anchor group, respectively) and different anchor groups, viz. an acetyl protected thiol, -S-COCH3 (1), a…
A metastable copper(II) 3D hybrid with 4,4'-bipyridine (4,4'-bipy) and P,P'-diphenylethylenediphosphinate (pc2p(2-)) undergoes a spontaneous, quantitative, transformation to a stable 2D polymorphic species either spontaneously in water, or after thermal dehydration followed by hydration.
This paper reports a comparative study of the electrochemical performance of in situ hydrogen peroxide electrogeneration on gas diffusion electrodes modified by organic redox catalysts 2-ethylanthraquinone, 2-terc-butylanthraquinone and azobenzene in medium of 0.1 mol L-1 H2SO4 plus 0.1 mol L-1 K2SO4, pH = 1. Hydrogen…
This paper proposes a technological solution with a scroll compressor driven by a high-performance induction machine drive for the air management of proton exchange membrane fuel cells (PEMFC) for automotive applications. The torque-speed characteristics of a real scroll compressor have been measured and then emulated…
Abstract: The research on an effect of aluminium contents on detonation characteristics of ammonium nitrate explosives was carried out. Measurements of detonation velocity were performed. Parameters of blast waves produced by charges of the investigated explosives detonating in an open space were measured by the use o…
An efficient electrical energy storage media are essential and are considered as a short term and an enabling infrastructure power technology. Energy storage technologies do not represent energy sources but they provide value added benefits to improve system stability, power quality and reliability of supply. As batte…
Objectives: Bricks being the most frequently used product in the local construction industry. However, there has been very little or no relevant information about the manufacturing standards and quality of locally-made bricks as compared to that in developed countries. It is the aim of this study to provide some infor…
Progress on the joint GE Energy/US Department of Energy (DOE) High Hydrogen Turbine Program is presented. A summary of GE’s current integrated gasification combined cycle (IGCC) experience is provided. The Phase I approach is discussed with selected results included. The program follows the well-established GE approac…
Major advances have been made in the HELIOS code, resulting in the impending release of a new version, HELIOS-2. The new code includes a method of characteristics (MOC) transport solver to supplement the existing collision probabilities (CP) solver. A 177-group, ENDF/B-VII nuclear data library has been developed for i…
Feather-degrading microorganisms were isolated from a poultry processing industry. The microorganism that presented high degradation of feathers was LM16, reaching 97.7% after 72 h of fermentation. Using morphological and biochemical tests [API 20 E (Bio-Merieux)], the strain was identified as Bacillus amyloliquefacie…
The conventional focused ion beam (FIB) sample preparation technique “lift-out method” was modified for the reliable analysis of a laser-heated diamond anvil cell (LHDAC) sample. Box-shaped grooves were prepared in the LHDAC specimen in order to recover a block using a gallium ion beam in the vicinity of the area to b…
Kohn-Sham density-functional calculations are used in many branches of science to obtain information about the electronic structure of molecular systems and materials. Unfortunately, the traditional method for optimizing the Kohn-Sham energy suffers from fundamental problems that may lead to divergence or, even worse,…
PANI–LiNi0.8Co0.2O2 nanocomposite material with improved properties as positive electrode was prepared by a new synthesis method. In a first step, LiNi0.8Co0.2O2 mixed oxide in the form of a fine powder was dispersed in aniline and this suspension was sprayed on the surface of an aqueous solution of HCl and ammonium p…
Modafinic acid belongs to the minor fraction of chiral components whose racemic mixture crystallizes as a stable conglomerate. Preferential crystallization attempts were carried out on a two-litre scale via the AS3PC mode (auto seeded polythermic programmed preferential crystallization): the direct entrainments of mod…
We applied a multiple-multipole method to calculate the field enhancement of discrete metal nanosphere assemblies due to plasma resonance, thus performing the first full electromagnetic simulation of a variety of nanoparticle assemblies for efficient field focusing, including the self-similar geometric series of spher…
The potential therapeutic value and versatility of platelet-derived products has recently stimulated the research and interest in the field of regenerative medicine. Platelet gels (PG), generated by thrombin-activated platelets, represent a new biotechnology for stimulation and acceleration of tissue healing and regen…