These reactivities showed strong alternation and the propagating copolymer radicals proceeded always with homopolymerization of 1 1 complexes formed between the donor and acceptor monomers.
On the other hand, the reactivity ratios (r1=0.25 and r2=0.02) obtained for the binary copolymerizations of PS-VM and PEG-MC/tin tetrachloride macromonomers showed strong alternation.
Standard Afrikaans is lexically extremely close to Dutch but has a markedly simplified morphology (e.g., lost are person and number markings on verbs, strong verb root alternations, and nominal gender) and a number of syntactic innovations (e.g., double-negation with mandatory clause-final nie).
Our attempts to model this effect allowed us to assume that there is a strong negative correlation (alternation of repeating units' rotations) within the polymeric chains together with the weaker negative correlation between neighboring chains (see the ESI ‡ for details).
In the upper portion of this wall, alternations of strong and weak, very thin (20 60 mm thick) to thinly (60 200 mm thick) bedded sedimentary lithologies were clearly visible dipping out of the cliff face as overhanging ledges (Fig. 5e).
Some glacial regions have a striking feature known as ablated snow hummocks called nieves penitentes or Büsserschnee (literally, "penitent snow")—that give the illusion of kneeling human figures, sometimes two or three feet high; especially noticeable in the early morning, they are formed by the alternation of strong sunlight and rapid evaporation during the day and severe cold at night.
As expected, these alternations are strongest for the Majumdar-Ghosh chain, and weakest for the nearest-neighbor Heisenberg model.
Gothic also had a fourth class: full-nō-da 'it became full.' Many Proto-Germanic strong verbs showed a consonant alternation between *f and *ƀ, *þ and *ð, *x and *ǥ, and *s and *z that was the result, through Verner's law, of the alternating position of the Proto-Indo-European accent.
The reason for this effect is that systems with an (almost) multiplicative fitness function exhibit a different dynamic behavior than those with stronger interactions: Instead of periodic alternations of positive and negative LD, the system converges to a state in which the LD does not change its sign anymore (see discussion).
These compositions (which were occasionally entitled concerti) demonstrate those traits—simple homophonic (essentially chordal) texture, strong declamatory rhythm, and the varied alternation and combination of blocks of sound that became prominent in Baroque instrumental and choral music.
