THE rates of reaction for nucleophilic aromatic substitution are affected if the replaced group has one, or two, groups ortho- to it. In particular, the effects of nitro groups in these positions ...

IN 1940, Bottcher 1 suggested that the distortion polarization of a compound such as mono-chlorobenzene might be obtained by assuming it to be the mean of the total polarization for the parent ...

When is The Witcher 4 release date? CD Projekt Red initially confirmed the existence of a new game in The Witcher series via a press release in March 2022 and a title update in October 2022.

The Witcher 4 has now been officially revealed, with a new trailer confirming that the game will focus on Ciri as the main protagonist. This latest look does give us an idea as to the overall ...

Body Dimensions 137.6 x 65.7 x 9.8 mm (5.42 x 2.59 x 0.39 in) ...

Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain ...

State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, ...

All Number 1s are special, but scoring the Official Christmas Number 1 is the ultimate prize. The festive top spot is a British institution and is often the most unpredictable chart race of the year.

If your baby fights against riding in a stroller during family walks, consider the Radio Flyer 4-in-1 Stroll ’N Trike instead. (It’s the top pick in our guide to the best tricycles.) ...