Département Science, ZYMA S.A. (Directeur Dr. P. Grumbach).doi:10.1002/hlca.19730560516FAO, RomeItaly). Tratado Internacional sobre los Recursos Fitogeneticos para la Alimentacion y la AgriculturaAGPHelvetica Chimica ActaSechaud J (1956) Helv Chim Acta 39:1257...
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Bulletin Des Sociétés Chimiques BelgesContribution à l'étude des dérivés 1,2,4-oxadiazoliques. Bull. soc. chim. Belges 58 , 66 (1949).Contribution a 1’’etude des derives 1.2.4-oxodiazoliques V. Merckx,Raymond. Bulletin Des Societes Chimiques Beiges . 1949...
If the impact of CR was almost similar in the three groups, a more prolonged physical training seems desirable in patients over 75 years.doi:10.1016/j.ancard.2012.08.038F MarraCA MarraDM PatrickParisWO2005053249A1 Nov 24, 2004 Jun 9, 2005 Matsushita Electric Ind Co Ltd Communication system ...
This article describes the change in the basic properties of standard concrete subjected to 12 h freeze–thaw cycles. Basic properties considered are resistance to compression and other parameters describing concrete behavior in axial compression with axial and transverse expansion. Although 300 freeze...
Freeze–thaw also eliminates the gelatinous consistency of chemical sludge. The filtrates are clear and contain low levels of suspended solids but may have relatively high chemical oxygen demand. To maximize the depth of sludge that can be frozen, it is necessary to freeze the sludge in thin...
Carbohydrate Derivatives Bearing a gem-Dihalogenoethenyl GroupTreated with the appropriate Wittig reagent, aldehydosugar derivatives (1–13) led in good to excellent yields to the expected gem-difluoro, gem-chlorofluoro-and/or gem-dichloroenoses (14–29). Examples of their dibromo analogues had ...
doi:10.1002/hlca.19430260413First page of articleHelvetica Chimica ActaGoldstein HenriVoegeli Rol
A pyrazoline ring is used as a masking, a stereodirecting, and a latent formyl group in the synthesis of 7-amino-4-formyl cephems from 6H-1,3-thiazines.Keywords: thiazine, cephem, pyrazoline, benzeneseleninic anhydride.Rémy Tuloup...
Jules HoudeSerge Meilleurcanadian journal of civil engineering