Polymer stabilizers

Xem 1-10 trên 10 kết quả Polymer stabilizers
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Polymer-stabilized palladium nanoparticles for catalytic membranes: ad hoc polymer fabrication

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Intermatrix synthesis: easy technique permitting preparation of polymer-stabilized nanoparticles with desired composition and structure

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  • In the quest for knowledge, it is not uncommon for researchers to push the limits of simulation techniques to the point where they have to be adapted or totally new techniques or approaches become necessary. True multiscale modeling techniques are becoming increasingly necessary given the growing interest in materials and processes on which large-scale properties are dependent or that can be tuned by their low-scale properties. An example would be nanocomposites, where embedded nanostructures completely change the matrix properties due to effects occurring at the atomic level.

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  • The electrooxidation of 5-hydroxy-1,4-naphthoquinone (JUG) in organic media leads to conducting polymer film on glassy and Pt electrodes. The IR ex situ, IR in situ (MIRFTIRS) during the film formation, XPS studies indicate that electropolymerization occurs via the OH group while quinone group on the other ring remains intact and shows a very good electro activity and stability in different media, particularly in aqueous, biocompatible one.

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  • ‘Metallically’ conducting polymers show good intrinsic conductivity, at least in the charged state. The specific capacitance values, potential ranges, long-term stabilities, and cycle lives of supercapacitors based on polymers are rather moderate, compared to the cycle lives of those based on carbon and metal oxide materials.

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  • The World is confronted with a plethora of potentially disruptive technologies – some, such as nanotechnology, will inevitably challenge our cherished social, economic and industrial stability over the next two decades. Rational design and manufacture of materials properties through nanostructure control will profoundly affect the food we eat, the sources of water and power we use, our health services, our national security, housing, transportation, etc. Precisely what will be the ultimate effect of these disruptions is still unclear.

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  • Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học quốc tế đề tài : Biomechanical testing of a polymer-based biomaterial for the restoration of spinal stability after nucleotomy

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  • Focusing on furniture layout, Bukowski and S´ equin [1995] intro- duce “object association” constraints that are designed to facili- tate direct manipulation of furniture arrangements. For example, the user can constrain a bookshelf to slide along walls without penetration or separation. Xu et al. [2002] present a constraint- based furniture layout system that incorporates pairwise relation- ships which enforce stability, non-penetration, and alignment. Ger- mer and Schwarz [2009] describe an agent-based procedure for fur- niture layout.

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  • The molecular self-assembly is induced by variation in the surroundings, such as temperature [1-4], pressure [5-9], pH [10-14], salt formation [13-18], and noncovalent bond cross-linking [19- 21]. The block copolymers are molecularly converted in situ from the nonamphiphilic copolymers completely dissolved in a solvent to amphiphilic copolymers due to these stimuli. Therefore, the association and dissociation of the isolated copolymers are reversibly controlled by such stimuli.

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  • The cell line, RCS-LTC (derived from the Swarm rat chondrosarcoma), deposits a copious extracellular matrix in which the collagen component is primarily a polymer of partially processed type II N-procollagen molecules. Transmission electron microscopy of the matrix shows no obvious fibrils, only a mass of thin unbanded filaments. We have used this cell system to show that the type II N-pro-collagen polymer nevertheless is stabilized by pyridinoline cross-links at molecular sites (mediated by N- and C-telo-peptide domains) found in collagen II fibrils processed nor-mally....

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