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A one-pot protocol for the synthesis of 1,2,3-triazoles has been developed starting from inactivated alkenes and based on two click reactions: the azidosulfenylation of the carbon–carbon double bond and the copper-catalyzed azide–alkyne cycloaddition (CuAAC). High yields of the β-methylsulfanyl triazoles…

The growth of China’s outbound tourism is a source of both threats and opportunities for European countries. Therefore, European tourism institutions and companies should focus their attention on this emerging market. The objective of this paper is to analyze the…

Ecological interactions involving introduced seaweeds constitute an important research gap, since they could alter the trophic dynamics of native populations, but indirect effects on trophic levels are poorly known. The seaweed Caulerpa racemosa is one of the most notable invaders…

This study is to determine the contributing factors of the movement patterns toward the total distance covered by the football referees during the Malaysia Soccer Cup 2012. Seven (7) of referees who officiated the 2012 Malaysian Cup matches were been…

It is well established nowadays the benefits that physical activity can have on the health of individuals. Walking is considered a fundamental method of movement and using a backpack is a common and economical manner of carrying load weight. Nevertheless,…

A new analytical approximate expression for the period of the simple pendulum is obtained by using a heuristic but pedagogical derivation. This formula depends on two parameters obtained by comparing term-by-term the power-series expansions of the approximate and exact expressions…

The physicomechanical properties of historic bricks in Toledo (Spain) that have undergone a time-dependent self-healing by natural weathering processes have been improved by porous infill with gypsum, ettringite, and, mainly, calcite. Both these bricks and their experimental replica bricks, made…

This study presents efficient techniques for multiple fundamental frequency estimation in music signals. The proposed methodology can infer harmonic patterns from a mixture considering interactions with other sources and evaluate them in a joint estimation scheme. For this purpose, a…

We calculate the rate at which a target located at the cathode of a glow discharge is sputtered. The calculation involves two steps: (1) evaluation of the energy distribution functions of ions and neutrals impinging on the target; and (2)…