نتایج جستجو برای: activity times
تعداد نتایج: 1440527 فیلتر نتایج به سال:
The Times graphics department has won many national and international awards, including the National Design Award for communication design. Learn how graphics editors report, design and edit data visualizations, integrate interactivity with story telling, and explain the news. How do basic ideas from journalism — including the importance of editing — influence the graphics the Times makes? Bio ...
Since 2013 researchers at University College Dublin in the Insight Centre for Data Analytics have been involved in a significant research programme in digital journalism, specifically targeting tools and social media guidelines to support the work of journalists. Most of this programme was undertaken in collaboration with The Irish Times. This collaboration involved identifying key problems cur...
mcm-41-r-so3h catalyzed one-pot synthesis of 1,8-dioxo-octahydroxanthenes is reportedunder reflux conditions. the catalyst is easily prepared, highly stable, very simple to handle andrecycled for five times without loss of significant activity
Proactive project scheduling aims to generate robust baseline schedules that are protected against the potential schedule disruptions during execution. In this paper, we propose a new problem named proactive resource-constrained with activity split-ting and resource transfer times, try investigate trade-off between benefits of splitting drawbacks resulting more times. The proposed is formulated...
This work described one pot syntheses of polysubstituted 2,6- dicyanoaniline and 2-(3-Oxo-1,3-diarylpropyl) malononitrile derivatives in the presence of MgO nanoparticles (NPs) under grinding conditions and microwave irradiation, respectively. The simple experimental procedure includes shorter reaction times, higher yields, lower cost and environmental friendliness. Other remarkable features ar...
heuristics are often used to provide solutions for flow shop scheduling problems.the performance of a heuristic is usually judged by comparing solutions and run times on test cases.this investigation proposes an analytical alternative ,called asymptotic convergence ,which tests the convergence of the heuristic to a lower bound as problem size grows. the test is a stronger variation of worst cas...
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