Articles with "rac" as a keyword



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Enantioselectivity in ecotoxicity of amphetamine using Daphnia magna as aquatic model organism: morphophysiological, behavioural, reproductive and biochemical parameters.

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Published in 2023 at "Environmental toxicology and chemistry"

DOI: 10.1002/etc.5646

Abstract: Amphetamine (AMP) is a chiral psychoactive substance which exhibits enantioselectivity in its pharmacological properties. AMP has been detected in wastewaters and surface waters and can occur as enantiomeric mixtures, but little is known about its… read more here.

Keywords: reproductive biochemical; biochemical parameters; rac amp; rac ... See more keywords
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Thermal and residual mechanical profile of recycled aggregate concrete prepared with carbonated concrete aggregates after exposure to elevated temperatures

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Published in 2018 at "Fire and Materials"

DOI: 10.1002/fam.2465

Abstract: Summary Thermal and residual mechanical performance of recycled aggregate concrete (RAC) prepared with recycled concrete aggregates (RCAs) after exposure to high temperatures has so far received less attention than that of conventional concrete prepared with… read more here.

Keywords: residual mechanical; exposure; concrete; recycled aggregate ... See more keywords
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Symbiotic polyhedron operation tree (SPOT) for elastic modulus formulation of recycled aggregate concrete

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Published in 2020 at "Engineering with Computers"

DOI: 10.1007/s00366-020-00988-y

Abstract: As concerns on environmental issues are consistently escalating in the perspective of establishing sustainable and environmental-friendly construction in the construction industry, one prominent approach to address this agenda is the application of recycled aggregate concrete… read more here.

Keywords: operation tree; elastic modulus; spot; polyhedron operation ... See more keywords
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miR-145-5p targets paxillin to attenuate angiotensin II-induced pathological cardiac hypertrophy via downregulation of Rac 1, pJNK, p-c-Jun, NFATc3, ANP and by Sirt-1 upregulation.

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Published in 2021 at "Molecular and cellular biochemistry"

DOI: 10.1007/s11010-021-04100-w

Abstract: Pathological cardiac hypertrophy is associated with many diseases including hypertension. Recent studies have identified important roles for microRNAs (miRNAs) in many cardiac pathophysiological processes, including the regulation of cardiomyocyte hypertrophy. However, the role of miR-145-5p… read more here.

Keywords: cardiac hypertrophy; mir 145; nfatc3 anp; jun nfatc3 ... See more keywords
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Calcium/calmodulin-dependent regulation of Rac GTPases and Akt in histamine-induced chemotaxis of mast cells.

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Published in 2021 at "Cellular signalling"

DOI: 10.1016/j.cellsig.2021.109973

Abstract: Histamine induces chemotaxis of mast cells through the histamine H4 receptor. This involves the activation of small GTPases, Rac1 and Rac2, downstream of phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K). Activation of the H4 receptor also results in phospholipase… read more here.

Keywords: calcium; mast cells; histamine induced; rac ... See more keywords
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Effect of different aggregate treatment techniques on the freeze-thaw and sulfate resistance of recycled aggregate concrete

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Published in 2020 at "Cold Regions Science and Technology"

DOI: 10.1016/j.coldregions.2020.103126

Abstract: Abstract The inferior durability of recycled aggregate concrete (RAC) is causing hindrance in the application of recycled concrete aggregates (RCA) in structural concrete. This research focuses on the influence of different treatment methods of RCA… read more here.

Keywords: sulfate resistance; freeze thaw; rac rac; rac ... See more keywords
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Static and cyclic response of low-strength recycled aggregate concrete strengthened using fiber-reinforced polymer

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Published in 2019 at "Composites Part B: Engineering"

DOI: 10.1016/j.compositesb.2018.10.002

Abstract: Abstract Concrete production using recycled aggregates (RAs) from construction and demolition waste is known to have a lower strength performance than natural aggregate concrete. Many studies have been carried out to improve the strength properties… read more here.

Keywords: fiber reinforced; aggregate concrete; strength; recycled aggregate ... See more keywords

Shear performance of recycled aggregate concrete beams: An insight for design aspects

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Published in 2018 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2018.05.022

Abstract: Abstract The shear failure of reinforced concrete beam is a brittle type of failure and can be dangerous if it is not properly designed. The inherent inferior quality of recycled coarse aggregate (RCA) makes the… read more here.

Keywords: transverse reinforcement; beams without; rac beams; performance ... See more keywords
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Experimental research on bond behavior of reinforced recycled aggregate concrete based on the acoustic emission technique

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Published in 2018 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2018.10.054

Abstract: Abstract This paper reports the experimental studies of the bond between recycled aggregate concrete (RAC) and ribbed steel bars, using the acoustic emission (AE) technique. Four different recycled aggregate replacement ratios (0%, 50%, 60%, and… read more here.

Keywords: bond; analysis; acoustic emission; recycled aggregate ... See more keywords
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A review of life cycle assessment of recycled aggregate concrete

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Published in 2019 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2019.03.078

Abstract: Abstract Recycled aggregate has emerged expecting to address raw materials shortage in construction sector by converting waste concrete into resource. Many researchers adopted life cycle assessment (LCA) to evaluate and compare environmental impact of recycled… read more here.

Keywords: life cycle; rac; aggregate concrete; recycled aggregate ... See more keywords
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Reliability assessment of RAC chloride concentration using Karhunen–Loève expansion with digital-image kernels

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Published in 2020 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2020.118352

Abstract: Abstract Measurement of the durability of recycled aggregate concrete (RAC) is significant for steel reinforced concrete structures in chloride-rich environment. In literature, an ideal five-phase model is usually used as a stochastic volume element (SVE)… read more here.

Keywords: expansion digital; digital image; chloride; rac ... See more keywords