8,155 research outputs found
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Towards a Theory of Practice: Critical Transdisciplinary Multiliteracies
About the book: Education institutions and organizations throughout the world are currently being held accountable for achieving and maintaining historically unmatched standards of academic quality and performance. Accreditation bodies; policy makers; boards of trustees; and teacher, parent, and student groups all place educational institutions and organizations under unprecedented accountability pressures. The aim of this volume is to explore and better understand how these pressures are impacting a broad range of social and cultural issues and, subsequently, how these issues impact student motivation and learnin
On the Design and Analysis of Parallel and Distributed Algorithms
Arrival of multicore systems has enforced a new scenario in computing, the
parallel and distributed algorithms are fast replacing the older sequential
algorithms, with many challenges of these techniques. The distributed
algorithms provide distributed processing using distributed file systems and
processing units, while network is modeled as minimum cost spanning tree. On
the other hand, the parallel processing chooses different language platforms,
data parallel vs. parallel programming, and GPUs. Processing units, memory
elements and storage are connected through dynamic distributed networks in the
form of spanning trees. The article presents foundational algorithms, analysis,
and efficiency considerations.Comment: 9 page
Chebyshev Type Integral Inequalities Involving the Fractional Hypergeometric Operators
By making use of the fractional hypergeometric operators, we establish certain new fractional integral inequalities for synchronous functions which are related to the weighted version of the Chebyshev functional. Some consequent results and special cases of the main results are also pointed out
On the -- lifetime difference and decays
In this paper we discuss some aspects of inclusive decays of charmed mesons
and also decays of the lepton into . We find that phase
space effects are likely to explain the observed lifetime ratio = 1.17. In particular one need not appeal to a large annihilation
contribution in the inclusive decay which, being absent in decays
could also contribute to the enhanced decay rate relative to that of the
. Examining a separate problem, we find that the rate for is almost completely dominated by the tiny phase space for the
final eight particle state. Using an effective chiral Lagrangian to estimate
the matrix element yields a branching ratio into the channel of interest far
smaller than the present upper bound.Comment: No figure
Palladium nanocatalysts encapsulated on porous silica @ magnetic carbon-coated cobalt nanoparticles for sustainable hydrogenations of nitroarenes, alkenes and alkynes
Palladium nanoparticles were impregnated on porous silica shell carbon-coated cobalt nanoparticles, resulting in a magnetically retrievable material that was evaluated in the catalytic hydrogenation of nitroarenes, alkenes and alkynes. The prepared material was characterized by HR-XRD, HR-TEM, elemental mapping EDX, ICP-OES and XPS analyses, revealing highly dispersed palladium nanoparticles within the porous platform that could account for the high activity observed. Mild reaction conditions, easy retrievability of the catalyst with the aid of an external magnet, recycling in four runs with a total leaching of 19 ppm (1.2 % of the initially employed Pd amount), and high stability makes this material attractive for sustainable and environmentally benign applications
Certain Expansion Formulae Involving a Basic Analogue of Fox’s H-Function
Certain expansion formulae for a basic analogue of the Fox’s H-function have been derived by the applications of the q-Leibniz rule for the Weyl type q-derivatives of a product of two functions. Expansion formulae involving a basic analogue of Meijer’s G-function and MacRobert’s E-function have been derived as special cases of the main results
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Chinatown: globalization, hybridity and literacy education
In this paper, we examine some of the data from a 3-year study with students at a small, public middle school in New York City’s Chinatown. As part of a larger study of multiliteracies in a transdisciplinary curriculum (Albright, Purohit, & Walsh, under review), we undertook a project with 60 students to identify literacy practices in their lives—in and out of school. As the project progressed, we used data collected with students to decide on the next steps
Annual radial growth cycle of grapevine trunk in the tropics
The annual radial trunk growth cycle in V. vinifera var. Anab-e-Shahi was studied in the tropics where the vines are pruned twice a year. Although vines grow continuously without any period of dormancy, a consistant pattern of maximum girth increment from April to September altemating with negligible increment from October to March was observed. The rate of annual girth increment was high during juvenile period and steadily decreased later. There is further need to study the physiology of growth and fruiting of tropical grapevines under conditions of nondormancy as modified by two prunings in a year.Der jährliche Wachstumszyklus der Stammdicke von Reben in den TropenDie Rebensorte Anab-e-Shahi (Vitis vinifera) wird in den Tropen jährlich zweimal geschnitten. Der jährliche Wachstumszyklus der Stammdicke unter diesen Bedingungen wurde untersucht. Obgleich die Reben kontinuierlich - ohne jede Ruheperiode - wachsen, wurde durchweg von April bis September ein maximaler Zuwachs des Stammumfanges und von Oktober bis März nur ein unbedeutendes Dickenwachstum festgestellt. Die jährliche Zuwachsrate des Stammumfanges war beim jungen Weinstock hoch; später nahm sie ständig ab. Weitere Untersuchungen zur Physiologie des Wachstums und der Fruchtentwicklung von Reben unter tropischen Bedingungen, d. h. ohne Zwischenschaltung einer Ruheperiode und modifiziert durch zweimaligen Rebschnitt, sind erforderlich
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