Results 21 to 30 of about 721,799 (329)
ChemistryOpen, 2021 To comprehensively reuse copper ore tailings (COT), the fabrication of glass‐ceramics by the direct sintering method was investigated, where the residues after sulfur release and iron recovery from copper ore tailings were used as raw materials.
Bing Luo +3 more
doaj +1 more source
Design and performance of urban sponges in red soil: improvement of physical and chemical properties
Journal of Water and Climate Change, 2021 This study investigated the physical and chemical properties of a single or combination of permeable materials which can be used as fillers in the Sponge City program in China.
Yunpeng Jing +7 more
doaj +1 more source
Sustainability, 2019 Recycling and value-added utilization of agricultural residues through combining technologies such as anaerobic digestion and pyrolysis could double the recoverable energy, close the nutrient recycle loop, and ensure cleaner agricultural production. This
Simon Kizito +5 more
semanticscholar +1 more source
Experimental study on the properties of modern blue clay brick for Kaifeng People's Conference Hall
Scientific Reports, 2021 This article presents building assessment research comprising on-site inspections, indoor scientific tests, and material performance studies on the wall blue clay bricks in the Kaifeng People’s Conference Hall, objectively developing an enhanced ...
Shaochun Ma, Youwen Wu, Peng Bao
doaj +1 more source
Oxidative 1,2-carboamination of alkenes with alkyl nitriles and amines toward γ-amino alkyl nitriles
Nature Communications, 2017 Difunctionalization of readily available alkenes is a powerful method to quickly build molecular complexity. Here the authors report a three-component, oxidative carboamination between alkenes, alkyl nitriles and amines, producingγ-amino alkyl nitriles.
Yan-Yun Liu +4 more
doaj +1 more source
Green Energy & Environment, 2018 A series of biobased heterogeneous solid Brønsted acid catalysts with perfect spherical microstructures are successfully fabricated directly from waste Camellia oleifera shells by a simple hydrothermal carbonization-annealing-sulfonation process.
Yingying Wen +5 more
doaj +1 more source
Advanced Materials Interfaces, 2023 Smart materials are highly desirable over the recent decade due to the growing demand on complicated nature. Smart materials with stable stimuli‐responsive properties are widely applied in sensors, smart windows, displays, and chemical valves, but they ...
Pramod V. Rathod +2 more
doaj +1 more source
Case Studies in Construction Materials, 2022 The low reactivity, high moisture content, and gap-graded particle size distribution of flue gas desulfurization (FGD) gypsum clearly restrict its large-scale application, particularly for cement production.
Zhonghui Xu +8 more
doaj +1 more source
Efficiency of low power audio amplifiers and loudspeakers [PDF]
, 2001 In this paper we look at the load presented to audio amplifiers by real transducers. We consider the power losses in Class-AB and Class-D amplifier topologies, and determine that in order to predict efficiency it is necessary to consider the amplifier ...
Burrow, SG, Grant, Duncan A
core +2 more sources
Molecules, 2021 The exploration of nonhazardous nanoparticles to fabricate a template-driven superhydrophobic surface is of great ecological importance for oil/water separation in practice.
Chao Liu +4 more
doaj +1 more source