Materials Literature
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Nowadays the bioresources including plant polysaccharides stay in focus of many researches according to ecological politics as well as oil reserves depleting. The well-known polysaccharide modification methods very often suffer from toxic by-products or difficult processing. In order to solve the problem a new method…
The objective of this work was to continue the evaluation of the high thermal conductivity UO2-BeO (UBO) nuclear fuel. Current ceramic UO2 fuel offers many fuel performance benefits, but it has a low thermal conductivity. This results in high operating fuel temperatures, but this is a well-excepted performance comprom…
The objective of the 3-year project was to collect integral effects test (IET) data to validate the RELAP5-3D code and other thermal hydraulics codes for use in predicting the transient thermal hydraulics response of liquid salt cooled reactor systems, including integral transient response for forced and natural circu…
\n Nas últimas décadas, questões sobre o controle de emissões em motores à combustão interna e sobre a redução de consumo de combustível vêm sendo debatidas globalmente, com claros desdobramentos em especificações de controles mais restritos, a fim de permitir a comercialização de novos motores à combustão interna a c…
Three new aluminum and gallium dichlorides equipped with the ligands Pytsi-SiMe2 [Pytsi-SiMe2 = -C(SiMe3)2(C6H4N-2)], Pytsi-2SiMe3 [Pytsi-2SiMe3 = -CH2(SiMe2C6H4N-2)], and Mx (Mx = 4,6-di-tBu2-2-Me2N-C6H3) were synthesized and fully characterized. (Mx)GaBrxCl2-x was isolated after a chlorine-bromine exchange that can…
The goal of magnetic confinement devices such as tokamaks is to produce energy from nuclear fusion reactions in plasmas at low densities and high temperatures. Experimentally, toroidal flows have been found to significantly improve the energy confinement, and therefore the performance of the machine. As extrinsic mome…
In recent times, metallic nanoparticle plasmonics coupled with applications towards biosensing has gathered momentum to the point where commercial R&D are investing large resources in developing the so-called localized surface plasmon resonance (LSPR) biosensors. Conceptually, the main motivation for the research pres…
Design of Aromatic Aldehyde Chitosan Derivatives for biological and Industrial Applications S. Jatunov, A. Franconetti, M. Gómez-Guillén, and F. Cabrera-Escribano* Departamento de Química Orgánica Facultad de Química, Universidad de Sevilla Apartado de Correos No. 1203, 41071 Sevilla, Spain. Fax: +34954624960; Tel: +3…
It has been successfully synthesized a new pillared clay adsorbent by using natural bentonite from the Kecamatan Tulakan Pacitas East Java. The synthesis was carried out by intercalation methode by mixing benzalkonium chloride surfactant solution and precursor solution of iron chloride into natural bentonite solution,…
Trochocystites Barrande, 1887 (Homostelea) and Ceratocystis Jaekel, 1901 (Stylophora); but, they are especially common and diverse in gogiids (Eocrinoidea). All sutural pores are probably not the same, they may have evolved several times, but those in the Blastozoa and “Homalozoa” which apparently serve only a respira…
Department of Chemistry, University College of Science, University of Calcutta, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India E-mail : ghosh_59@yahoo.com Fax : 91-33-23519755 Susil Kar College, Ghoshpur, Champahati, Baruipur-743 330, 24-Parganas (S), West Bengal, India School of Chemistry, The University o…
Polymer nanocomposites (PNCs) formed by dispersing a few weight percent or less of nanometer-sized llers, such as carbon nanotubes and mont morillonite (clay), in either thermoplastic or thermosetting polymers are now commonly available. Compared to “neat” polymers, PNCs tend to have higher tensile and ¥exural moduli…
Electrochemistry is a very important discipline. In electrochemistry, the chemical state of a compound can be modulated by applying voltage and by injecting or withdrawing electrons from the molecule. Alternatively, by changing the chemical state of a particular compound, we can generate a ¥ow of electrons/holes throu…
Abstract Pd@CeO2 core‐shell structures deposited onto a modified hydrophobic alumina (obtained by reacting alumina with triethoxy(octyl)silane) exhibit exceptionally high activity for methane oxidation, with complete conversion below 400 °C and outstanding thermal stability up to 850 °C.
Abstract Review: 34 refs.
Abstract Single crystals of α‐Ag3VO4 are hydrothermally prepared from aqueous mixtures of Ag2O, V2O5, and HF as a mineralizer (autoclave, 150 °C, 24 h).
Many nanotech-based fabrics products and applications are already in use for textile finishing process in many countries. The industry aims at taking advantage of the opportunities of new nanomaterials while producing safe and ecological textiles. However, some concerns have been raised regarding the potential of engi…
North Carolina State University Theses Textile Engineering, Chemistry and Science.
From the aerial parts of Tribulus terrestris, a new steroidal saponin, Diosgenin 3-O-[{α-L-rhamnopyranosyl-(1–3)} {α-L-rhamnopyranosyl(1–4)}]-β-D-glucopyranosyl-(1–4)-β-D-glucopyranoside namely tribulin has been isolated together with six known compounds; scoparon, campesterol, stigmasterol, β-sitosterol, Diosgenin 3-…
Abstract In this study, we investigated the effect of coating multi‐walled carbon nanotubes (MWNTs) with titanium using chemical vapor deposition. This coating process was carried out in a quartz tube, which was heated in a tubular furnace at 600 °C with an argon/hydrogen gas flow mixture; argon was bubbled through li…