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100%
Logistyka
2005 Nr 5 50-52
PL W Logistyce 4/2001 Piotr Sawicki w artykule "Wielokryterialny wybór operatora usług logistycznych" przedstawił sposób dokonywania tytułowego wyboru na podstawie metody ELECTRE III. Metoda ta, wraz z późniejszymi modyfikacjami (typu ELECTRE lub PROMETHEE), jest efektem pracy grupy przedstawicieli (B.[...]
2
63%
Polish Journal of Chemistry
2001 Vol. 75, nr 11 1739-1743
EN Kinetics of the reaction of 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) with tribenzylamine in acetonitrile has been measured spectrophotometrically. The product of this reaction is a stable anion radical of DDQ. The reaction is relatively slow, due to a considerable steric hindrance in both qui[...]
3
63%
Polish Journal of Chemistry
1999 Vol. 73, nr 10 1739-1744
EN The reaction of bromanil (2,3,5,6-tetrabromobenzoquinone)with 1,1,3,3-tetramethylguanidine in benzene has been studied spectrophotometrically. The reaction proceeds according to the mechanism of vinylic substitution with a charge-transfer complex as the intermediate compound. the final product is a [...]
4
51%
Polish Journal of Chemistry
EN Nucleophilic vinylic substitution of 2,3,5,6-tetrachloro-1,4-benzoquinone by imidazole in acetonitrile and benzene has been studied spectrophotometrically. The reaction product is the diaminodichlorosubstituted quinone. The values of the activation parameters indicate that there is a considerable ch[...]
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