Materials Literature
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메조포러스 물질, SBA-15와 MCM-41의 세공 표면을 유기실란인 3-aminopropyltrimethoxysilane (1NS)와 N-[(3-trimethoxysilyl)propyl]ethylenediamine (2NS)를 이용하여 그라프팅법으로 표면 기능화하였다. 표면 기능화된 메조포러스 물질에(n-BuCp)2ZrCl2와 조촉매 methylaluminoxane (MAO)를 담지하여 에틸렌 중합을 실시하였다. SBA-15/2NS/(n-BuCp)2ZrCl2촉매는 그라프팅되는 2NS의 양이 증가할수록 담지된 Zr와 Al 함량은 감소하였으며, MCM-41/2NS/(…
Βασικό αντικείμενο της συγκεκριμένης εργασίας είναι η ανάπτυξη και η μελέτη των δομικών και οπτικών ιδιοτήτων νανοσύνθετων υμενίων αποτελούμενων απο διαφανείς ανόργανες μήτρες με εγκλείσματα μετάλλων. Η συγκεκριμένη κατηγορία υλικών έχει προσελκύσει το ερευνητικό ενδιαφέρον εξαιτίας των εξαιρετικών οπτικών ιδιοτήτων π…
VOLUME 287 (2012) PAGES 22153–22164 This article has been withdrawn by the authors.
Extensive trauma, tumor resection or congenital abnormalities can lead to craniofacial bone defects that require intervention for repair. These defects are often treated with autologous grafts, which are limited in supply, often result in donor site morbidity, and are difficult to mold to appropriately match craniofac…
Fresh from releasing the highly anticipated DFS for its Nova-Bollinger nickel project, Sirius Resources NL has asked institutional shareholders to further back the project by committing to a $189 million capital raising.
Silk gland is the organ for synthesizing and secreting silk protein. This organ’s growth reflects ability of silk production, both in quality and quantity. The present study conducted to investigate the supplementary effect of spirulina on lipids and enzymes in salivary gland of silkworm, Bombyx mori (L.). The silkwor…
Biodegradable nanocomposite films from chitosan/montmorillonite (MMT) hybrid filled plasticized tapioca starch (TPS) were developed using a solution casting method. Chitosan was extracted from local shrimp shell resources with the degree of deacetylation of 60.85%. X-ray diffraction (XRD) analysis showed that the inte…
Abstract not provided.
ISIS is one of the world’s most powerful spallation neutron sources for the study of material structures and dynamics. Currently ISIS has two spallation targets, TS1 operating at proton beam powers of up to 200 kW, and TS2 operating to 45 kW. This paper focuses upon an upgrade study of TS1 with the goal of increasing…
To study the effects of different temperatures on chitosan coatings on strawberry preservation, strawberry (‘Tongzi No.1’) fruit were treated with chitosan coating at different temperatures (30, 50 and 70°C) for 5 min and then kept at room temperature (22±1°C). Effects on fruit quality and weight loss, color, content…
This thesis concerns with Dynamic Discrete Dislocation Plasticity (D3P), a planar method of discrete dis- location dynamics aimed at the study of plastic relaxation processes in crystalline materials subjected to weak shock loading and high strain rates. Traditionally, the study of plasticity under these condi- tions…
Abstract not provided.
The importance of Diagnosis Gas Analysis (DGA) has been recognized by electrical industry nowadays as one of the tools for power transformer maintenance to monitor the performance of transformers and provide early information about the health of a transformer. The lifespan of a transformer depends on the condition of…
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Starch-based biopolymers exhibit low mechanical properties. Based on recent studies, it has been shown that the incorporation of nano fillers, such as cellulose nanofiber (CNF), into a polymer matrix can greatly improve its mechanical properties. Interestingly, the incorporation of CNF into antimicrobial packaging enh…
III arsenide semiconductor materials have attracted considerable attention because of their unique characteristics and unfailing applications as base materials in optoelectronics and many other state of the art technologies. In this study, III arsenide investigations are presented by performing calculations using comp…
Abstract : Parylene film is attractive for hermetic encapsulation of porous surfaces, including energetic materials, and for the protection of integrated circuits on large-diameter silicon substrates. Achieving uniformity and repeatability of chemical vapor deposited (CVD) parylene film on large-diameter wafers in a b…
Nanocrystalline materials have received much attention as advanced engineering materials with improved physical and mechanical properties. As nanomaterials possess high strength, high hardness, excellent ductility and toughness, undoubtedly, more attention has been paid to the application of nanomaterials. Nanopowders…
Metal hydrides are of considerable interest for safe and practical hydrogen storage. Among theses, Mg is regarded as a promising hydrogen storage material due to its high theoretical gravimetric, volumetric capacity and the full reversibility of its sorption reactions combined with low cost, low density and environmen…
The recent regulation policies and an increasing public concern are focusing on the presence of priority and emerging pollutant in water. In order to obtain high efficiencies on their abatement in the prevention and remediation of water sources, the Advanced Oxidation Processes (AOP) are among the most interesting and…