نتایج جستجو برای: recyclable
تعداد نتایج: 2844 فیلتر نتایج به سال:
Efficient waste paper recycling has a significant role in the sustainable environment. Recyclable waste paper as a fundamental ingredient of municipal solid wastes (MSWs) is indeed an ‘‘urban ore’’. Waste papers are considered as the solid recovered fuel which is recovered from MSW. Recyclable waste papers are segregated into various grades to produce high-quality products. Moreover, sorted pap...
The Suzuki-Miyaura cross-coupling reaction of 1-aryltriazenes with arylboronic acids catalyzed by a recyclable polymer-supported Pd-NHC complex catalyst has been realized for the first time. The polymer-supported catalyst can be re-used several times still retaining high activity for this transformation. Various aryltriazenes were investigated as electrophilic substrates at room temperature to ...
Organohypervalent iodine reagents have attracted significant recent interest as versatile and environmentally benign oxidants with numerous applications in organic synthesis. This Perspective summarizes synthetic applications of hypervalent iodine(V) reagents: 2-iodoxybenzoic acid (IBX), Dess-Martin periodinane (DMP), pseudocyclic iodylarenes, and their recyclable polymer-supported analogues. R...
Reactions of propargylic alcohols with CO(2) in a [BMIm][PhSO(3)]/CuCl catalytic system to produce the corresponding alpha-methylene cyclic carbonates were conducted with high yields. Mild reaction conditions, enhanced rates, improved yields, and recyclable ionic liquid catalyst systems are the remarkable features exhibited in this process. Furthermore, the use of large amounts of tertiary amin...
The work described herein employs potassium hydroxide impregnated alumina (KOH-alumina) as a mild, efficient, and recyclable catalyst for a one-pot solvent-free and environmentally safer synthesis of 3,4,6-triarylpyridazines and some substituted pyridazines from active methylene carbonyl species, 1,2-dicarbonyls, and hydrazine hydrate by microwave (MW) irradiation. The method offers highly conv...
Ionic liquids are obvious candidates for use in electrochemical applications due to their ionic character. Nevertheless, relatively little has been done to explore their application in electrosynthesis. We have studied the Shono oxidation of arylamines and carbamates using ionic liquids as recyclable solvents and have noted that the viscosity of the medium is a major problem, although with the ...
accordance with the Americans with Disabilities Act, this material is available in alternative formats upon request. Direct requests to the Extension Store at 800‐876‐8636. Printed on recycled and recyclable paper with at least 10 percent postconsumer waste material. U OF MN RESEARCH RESULTS FOR SOUTHERN MN The “PRE Challenge” On-Farm Research and Demonstration Trials in Southern MN – 2012 Liza...
This study concerns with the optimisation of a fibre-reinforced composite material ply book and application to an aeronautical component. The presented solution is recyclable FML (Fibre Metal Laminate). Recyclable structural PMCs (Polymeric Matrix Composites) developed up-to now in ENEA had be improved satisfy high-demanding fire characteristics requirements aeronautics, particularly for case c...
Semi-Supervised Learning (SSL) with mismatched classes deals the problem that classes-of-interests in limited labeled data are only a subset of massive unlabeled data. As result, classical SSL methods would be misled by which possessed To solve this problem, some recent divide to useful in-distribution (ID) and harmful out-of-distribution (OOD) data, among latter should particularly weakened. p...
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