Sentence examples for withdrawing strength from inspiring English sources

The static molecular first hyperpolarizabilities measured by long-wavelength hyper-Rayleigh scattering are found to follow the order of the electron withdrawing strength of their acceptor groups as determined by NMR analysis.

It is well known that the λmax values of the hydrazone tautomeric form of an azo dyes will show a general shift to shorter wavelengths when substituents of increasing electron withdrawing strength are introduced into the ring of the diazo component.

It displayed a benefit of A1-A2 blocksng blocks, which is complementary and broad light absorption from 300 to 750 nm due to acceptors with different withdrawing strengths.

The dimethylquinolinium electron acceptor groups exhibit increased electron-withdrawing strength compared to the dimethylpyridinium group used in 4- 4- dimethylamino)styryl)-1-methylpyridinium 4- 4- dimethylaminoonate, and therefore have a high potential for photonic applicationstyryl -1-methylpyridinium

Since the electron-withdrawing strength is in the order pyrryl > thienyl > furyl and PFDA-Ph4 has the longer conjugated length between the two amine nitrogen atoms than that of compound 2 and 3.

According to the electron-withdrawing strength of the heterocyclic bridges and molecular energy matching relationship, we designed and ultimately chose four ideal donors (3, 5, 16 and 19) which have the suitable energy levels to match with PCBM and narrower band gaps than DTDCTB.

A series of π-conjugated styryl quinolinium push pull chromophores have been designed and synthesized in order to examine the electron-withdrawing strength of various quinolinium electron acceptor groups, and their influence on the photophysical properties and in particular on the second-order nonlinear optical response.

Second, electron-withdrawing strength of perfluoroalkyl groups can depend on the chain lengths.

For groups with a medium electron-withdrawing strength, the interplay between the size of the π-system and the number of substituents can be more complex.

Joffre decided to swing the Allied centre and left back southwestward from the Belgian frontier to a line pivoted on the French fortress of Verdun and at the same time to withdraw some strength from the right wing so as to be able to station a newly created 6th Army on the extreme left, north of Paris.

Alcohol charities have also promoted 'Dry January' (www.dryjanuary.org.uk) to encourage drinkers to abstain for one month, while more than 70 local authorities have voluntary agreements with retailers to withdraw high-strength, low-cost beers and ciders from sale [ 15].