Results 101 to 110 of about 1,470,279 (358)
Advanced Science, EarlyView.A sustainable high‐performance epoxy vitrimer (F9T1) was developed via a rigid‐flexible integrated design using rigid and flexible bio‐based epoxy monomers. F9T1 features superior mechanical property, char‐forming ability, fire safety, chemical degradability and recyclability due to its rigid‐flexible network with abundant dynamic disulfide and ester ...
Yong Guo +11 more
wiley +1 more source
Karakteristik Briket Biocoal Dengan Penambahan Sekam Padi Dan Wax [PDF]
, 2011 Biocoal made by mixing Sub-Bituminous Tanjung Enim coal with rice skin biomass to make biocoal briquette that will have calorific value suitable for domestic consumption and also have a quicker initial burning time that has been a problem in applying ...
Dewi, R. M. (Retno) +2 more
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Research into the process of preparation of Ukrainian coal by the oil aggregation method [PDF]
, 2017 We conducted a study into concentration of Donetsk coal with varying degrees of coalification – anthracite and grade G – by the method of oil aggregation. We determined the character of impact of the following factors on the results of oil aggregation of
Biletskyi, V. S. +8 more
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AI‐Directed 3D Printing of Hierarchical Polyurethane Foams
Advanced Science, EarlyView.Digitally guided direct ink writing, combined with AI‐generated design, enables the fabrication of hierarchical polyurethane foams with tunable multiscale porosity. This approach produces architected foams featuring interconnected open‐cell networks and tailored mechanical properties, advancing the development of adaptive, high‐performance materials ...
Dhanush Patil +15 more
wiley +1 more source
GeoScience Engineering, 2014 Počátky výzkum a využití výsledků v oblasti aplikace indikačních plynů pro včasnou detekci samovznícení uhlí pochází v Čině z 60tých let minulého století. Ke značnému rozvoji došlo v devadesátých létech, kdy byl dokončen program „Charakteristika adsorpce
Feng Xiyang, Adamus Alois
doaj +1 more source
Current state-of-the-art in drying low-rank coals [PDF]
, 1976 Preparing Alaska's coal for marketing -- Drying low-rank coals -- Effect of lignite source -- Acknowledgement -- References.Research on drying of low-rank coals, such as lignites and subbituminous coals, has been conducted for nearly half a century ...
Rao, P.D. and Wolff, E.N.
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Advanced Science, EarlyView.A novel supported Ni‐based catalyst, consisting of abundant Niδ+ atoms with low electron density anchored in situ on ultrathin Ni‐phyllosilicate nanosheet (a‐Niδ+−PSNS, 0< δ ≤1), achieve simultaneous outstanding CO2 conversion and CO selectivity. Their ultrathin nanosheet enables abundant anchored Niδ+ atoms to fully expose and disperse, which can ...
Ziluo Ding +10 more
wiley +1 more source
Coking coals of the Arctic zone of Russia
Georesursy, 2019 Rational and cost-effective development of the richest hydrocarbon resources of the Arctic region of Russia is impossible without the resumption of solid fuel production. On the Arctic coast of Russia there is the largest base of coking coals of valuable
V.I. Vyalov +5 more
doaj +1 more source
Coal-shale interface detection system [PDF]
, 1979 A coal-shale interface detection system for use with coal cutting equipment consists of a reciprocating hammer on which an accelerometer is mounted to measure the impact of the hammer as it penetrates the ceiling or floor surface of a mine.
Campbell, R. A. +4 more
core +1 more source