Toughening by in-situ phase formation is highly desired for high-performance refractories, as it enhances their thermomechanical properties (e.g. thermal shock damage resistance). For this purpose, pseudobrookite and ...
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Large number of buildings has been stocked in Japan. Some of them are abandoned and suffering from illegal intrusion, falling of deteriorated components and possible danger of collapse. The target of this paper is one...
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The increase in the scale of towers construction requires larger concrete foundations, wither for buildings or for other infrastructures such as those necessary for wind energy production. Heat generation by cement hy...
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In this study, a Terahertz (THz) band antenna which can regulate its own resonant frequency without the requirement of manual adjustment is simulated. A polyvinylidene fluoride (PVDF) substrate is applied onto a recta...
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To reduce the cost of training models for each language for developers of natural language processing applications, pre-trained multilingual sentence encoders are promising. However, since training corpora for such mu...
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In the present study, a numerical evaluation of the thermal behavior of Vertical Helical Earth-Air Heat Exchangers (EAHE-VH) installations was conducted under representative climate and soil conditions of the city of ...
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Rubber as an elastomer is difficult to recycle due to the curing process that undergoes in its various applications, highlighting vulcanization. Tires, particularly, represent a significant amount in disposal of rubbe...
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Rubber as an elastomer is difficult to recycle due to the curing process that undergoes in its various applications, highlighting vulcanization. Tires, particularly, represent a significant amount in disposal of rubber, due to the automobile industry growing over the last decades. Several researchers have been studying its use on civil construction, and in concrete. The results obtained in the researches, with scrap tire rubber as received replacing the concrete constituents, indicated significant reductions in the compressive and flexural strengths, as well as in elasticity module. On the other hand, due to the high capacity of rubber to dissipate energy, rubberized concretes may be suitable for architectural application, false facades, stone baking, interior construction, in building as an earthquake shock wave absorber where resistance to impact or explosion is required and as roof top surfaces for insulation and waterproofing. Various studies highlighted the potential of rubberized concrete acting as a cushion due to its high impact resistance. The use of recycled rubber in Portland cement concrete is not technically successful as in asphalts mixtures due to the incompatibility issues caused by chemical composition and stiffness. After observing the drawbacks caused by the addition of rubber, researchers evaluated their causes, and the main reason was the poor adhesion between cement paste and rubber particle, due to the chemical difference in the polarity of the materials, that affects the cement hydration. Meanwhile, some authors are intended to perform some treatments on the rubber material to enhance the interfacial adhesion with cement hydration products and reduce or eliminate the negative effects while keeping the beneficial effects of waste rubber as an aggregate. Despite of a great loss in strength using tire particles as aggregate in concretes, it was accepted in various applications requiring medium to low compressive strength. On the other hand, rubb
Ultralong thermally activated delayed fluorescence(UTADF)materials play an important role in realizing time-dependent color-tunable *** typical carbazole(Cz)derivatives have been reported to exhibit UTADF ***,a 10-fol...
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Ultralong thermally activated delayed fluorescence(UTADF)materials play an important role in realizing time-dependent color-tunable *** typical carbazole(Cz)derivatives have been reported to exhibit UTADF ***,a 10-fold difference in TADF lifetime was found between commercial Cz derivatives and the corresponding lab-synthesized ones,which indicated that UTADF may not be derived from the single Cz derivatives as *** reveal the real mechanism,we synthesized three Cz derivatives and one isomer to form three host-guest pairs for optical *** photophysical properties revealed that UTADF originated from the intermolecular charge transfer between host and guest,while the ultralong organic phosphorescence was from the *** to the rich color variations in luminescence displayed by 4-(1H-benzo[f]indol-1-yl)−4′-(9H-carbazol-9-yl)-[1,1′-biphenyl]−3,3′-dicarbonitrile/4,4′-di(9H-carbazol-9-yl)-[1,1′-biphenyl]−3,3′-dicarbonitrile(CBP-2CN)at different delay times,it can be applied to realize multi-dimensional encryption in both delay time and luminescent color.
Soft robotic grippers and hands offer adaptability, lightweight construction, and enhanced safety in human–robot interactions. In this study, we introduce vacuum-actuated soft robotic finger joints to overcome their ...
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The ornamental rock and paper cellulose industries generate unavoidable quantities of residue throughout the production steps, such as ornamental rock processing sludge and calcium carbonate sludge from the kraft proc...
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