Results 21 to 30 of about 215,486 (264)
A Low-Autogenous-Shrinkage Alkali-Activated Slag and Fly Ash Concrete
Applied Sciences, 2020 Alkali-activated slag and fly ash (AASF) materials are emerging as promising alternatives to conventional Portland cement. Despite the superior mechanical properties of AASF materials, they are known to show large autogenous shrinkage, which hinders the ...
Zhenming Li +4 more
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Prediction of the sintering shrinkage of glass-alumina functionally graded materials by a BP artificial neural network [PDF]
Science of Sintering, 2009 The shrinkage of the glass-alumina functionally graded materials (G-A FGMs) as a function of sintering temperature, layers, and the alumina content was predicted by a back propagation artificial neural network (BP-ANN).
Yu C.L. +5 more
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Frontiers in Materials, 2021 Engineered cementitious composites (ECCs) suffer from high shrinkage and low early strength due to large dosage of cementitious materials and slow hydration of fly ash.
Yan Xiong +5 more
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Experimental theoretical modelling of concrete shrinkage in massive structures [PDF]
E3S Web of ConferencesIn spite of the high culture of modern construction, the majority of massive structures erected in different countries of the world cannot avoid shrinkage cracks during the curing process, which negatively affect both the stiffness and durability of such
Arleninov Petr +2 more
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Studying the Effect of Shrinkage on the Bond Strength of Mortars, Applied to Substrate Concrete, Using “Friction-Transfer” and “Pull-Off” Methods [PDF]
Journal of Structural and Construction Engineering, 2021 Considering the differences that exist between the laboratory and site conditions, the in-situ estimation of bond strength of repair mortars is important. Therefore, in this paper, the results obtained from the use of two methods, “Friction-transfer” and
Mahmood Naderi, Ali Saberi Varzaneh
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Applied Sciences, 2018 Some large engineering structures are made by casting polymers into a mold. The structures can have complicated geometries and may be filled with other components, such as electrical transformers.
Søren Heinze, Andreas T. Echtermeyer
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Investigating the Influence of Drying Temperature and Air Flow Velocity on Some Qualitative Specifications of the Sliced Pear During Drying and Employment of Image Processing Technique [PDF]
Pizhūhish va Nuāvarī dar ̒Ulūm va Sanāyi̒-i Ghaz̠āyī, 2017 Drying of agricultural and horticultural crops is one of the most important processes for their long term storage. Therefore, in this study, the influence of drying temperature and air flow velocity on the variation of color, shrinkage and pH were ...
Younes Khorshidi +2 more
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Modeling of Potato Slice Drying Process in a Microwave Dryer using Artificial Neural Network and Machine Vision [PDF]
Journal of Agricultural Machinery, 2021 IntroductionMicrowave drying compared to conventional hot air drying has many benefits to apply in food drying processes such as volumetric heating, high thermal efficiency, shorter drying time and improved product quality.
S Rezaei, N Behroozi-Khazaei, H Darvishi
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Pseudorandomness from Shrinkage [PDF]
2012 IEEE 53rd Annual Symposium on Foundations of Computer Science, 2012 One powerful theme in complexity theory and pseudorandomness in the past few decades has been the use of lower bounds to give pseudorandom generators (PRGs). However, the general results using this hardness vs. randomness paradigm suffer from a quantitative loss in parameters, and hence do not give nontrivial implications for models where we don’t know
Impagliazzo, Russell +2 more
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Frontiers in Neuroanatomy, 2020 Improvement of imaging quality has the potential to visualize previously unseen building blocks of the brain and is therefore one of the great challenges in neuroscience.
Bo M. B. Bekkouche +3 more
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