图书Les problèmes fondamentaux de la géodésie et les solutions qui y ont été apportées grâce à l'observation des satellites artificiels 介绍、书评、论坛及推荐
Nous étudions la réactivité de la phényl-5 thiéno[3,2- b ]pyrannone-7 et de la phényl-2 benzo[ b ]thiéno-[3,2- b ]pyrannone-4 vis à vis de reactifs nucleophiles et la comparons à celle des benzopyrannones. Reactions of 5-phenylthieno[3,2- b ]pyran-7-one, 2-phenyl...
Our experimentations show direct n-ary search is faster than search on binary CSP sfter transformation. As sequential search is rather costly (NP-complete), parallelism enables to reduce computation time. To achieve this, we define a generic algorithm allowing to mix different sequential search ...
aldéhydes]]>Ledoi:10.1002/hlca.19590420129Jaunin, RLausanne, Laboratoire de Chimie organique de l'UniversitéMagnenat, J.‐PLausanne, Laboratoire de Chimie organique de l'UniversitéWILEY‐VCH Verlag GmbHHelvetica Chimica Acta
Flat gain spectra over very large bandwidths are obtained using two pumps in a single fibre, or a single pump in a multi-section, dispersion-tailored fibre arrangement. The second part studies air-silica microstructured fibres. An efficient modelling tool based on the vectorial Galerkin method ...
doi:10.1002/jctb.5000463808NoneJournal of the Society of Chemical Industry
doi:10.1002/recl.19030220503C. A. Lobry de BruynW. Alberda van EkensteinRecueil des Travaux Chimiques des Pays-Bas et de la Belgique
Toubon; S. Gerber & S. Poitout. 1994. Stabilite du polymorphisme enzymatique dans les populations d'un Lepidoptere migrant, Agrotis ipsilon. Entom. Exper. Appl. 73: 187-191.Bue`s, R., Freuler, J., Toubon, J.F., Gerber, S. & Poitout, S. (1994) Stabilite´ du polymorphism...
Rate constants have been measured for the addition of sulphite ion and hydroxylamine on a series of sterically hindered cyclohexanones as well as for the decomposition of the bisulphite adducts. The observed differences in reactivity mau be regarded as resulting from the intervention of the “steric...
text/htmlcharset=iso-8859-15First page of articledoi:10.1107/S0108270190013658Bideau, J.‐PCotrait, MBuisson, J.‐PDemerseman, PInternational Union of CrystallographyActa Crystallographica