Results 1 to 10 of about 680,914 (269)
Synthesis of novel phthalimido oxime pseudoesters and evaluation of their cytotoxicity [PDF]
A series of novel optically pure oxime pseudoesters derivatives were synthesized by the reaction of substitute keto oximes with various N-substituted α-amino acids chlorides in the presence of triethylamine and dichloromethane at 0°C, and their ...
Mehrez Asma +4 more
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We describe a mechanism-guided discovery of a synthetic methodology that enables the preparation of aromatic amides from 2-bromo-2,2-difluoroacetamides utilizing a copper-catalyzed direct arylation.
Satenik Mkrtchyan +4 more
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The Effect of Group type and Mediation type in Group Dynamic Assessment on the Improvement of Iranian Homogeneous and Heterogeneous EFL Learners' Listening Comprehension [PDF]
Based on Vygotsky's concept of Zone of Proximal Development, dynamic assessment (DA) has at its core the integration of assessment and instruction through mediation. DA is practiced either individually or collectively. In group-dynamic assessment (G-DA),
Nader Safaei Asl +2 more
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Liutex-Represented Vortex Spectrum in Turbulence
The Liutex vector is new quantity introduced to represent the rigid-body rotation part of fluid motion and thus to define and identify vortices in various flows. In this work, the intermittency and power-law similarity of the Liutex vector in homogeneous,
Bowen Yan, Yiqian Wang, Chaoqun Liu
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In this paper, we derive a closed-form expression of the tail probability of the aggregate discounted claims under homogeneous, non-homogeneous and mixed Poisson risk models with constant force of interest by using a general dependence structure between ...
Franck Adékambi, Kokou Essiomle
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Development of heterogeneous catalyst from assorted periwinkle snail shells for sustainable biodiesel synthesis [PDF]
Owing to the environmental friendliness of biodiesel compared to fossil fuels, its application in internal combustion engines has gained wide recognition.
Ogunkunle Oyetola +1 more
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Plastic flow of isotropic rigid body at uniform deformation
The mathematical analysis of plastic flow processes under uniform plane, axisymmetric and volumetric deformation is carried out. The analysis is based on the external shape change of the body, which determines the movement of material points. It is shown
O. M. Dyakonov
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Synthesis of Uranium-Thorium dioxide nano powder using supercritical hydrothermal method [PDF]
Due to the limited uranium reserves and advantages of thorium fuels over uranium fuels, the development of the thorium fuel cycle in various countries including Iran, has been considered significantly.
A. H. Chenari, S.J. Ahmadi, F. Zahakifar
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The ruthenium(II) complexes RuCl2L1H, RuCl2L1CF3, RuCl2L1OMe and RuCl2L2H were synthesized from [Ru(η6-benzene)Cl(μ-Cl)]2 and the corresponding tripodal tris-3-methylindolephosphine-based ligands L1H, L1CF3, L1OMe, and L2H.
Fenna F. van de Watering +5 more
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Antinuclear antibodies (ANAs) are essential diagnostic markers in systemic autoimmune rheumatic diseases. Among the 30 ANA patterns, homogeneous (AC-1) and dense fine speckled (AC-2) should be focused on owing to their somewhat indistinct presentation in
Han-Hua Yu +6 more
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