منابع مشابه
Xanthones from Polygala alpestris (Rchb.).
Bioactivity-guided fractionation of Polygala alpestris L. (Rchb.) extracts led to the identification of two new xanthones, 1,3,7-trihydroxy-2,6-dimethoxyxanthone (1) and 2,3-methylenedioxy-4,7-dihydroxyxanthone (2). In addition five known compounds 3,4-dimethoxy-1,7-dihydroxyxanthone (3), 1,3-dihydroxy-7-methoxyxanthone (4), 1,7-dihydroxy-2,3-dimethoxyxanthone (5), 3',6-O-disinapoyl sucrose (6)...
متن کاملDiterpenoid alkaloids of Aconitum vulparia Rchb.
From the roots of Aconitum vulparia Rchb., collected in Prüm (Germany), a new norditerpenoid alkaloid, named alexhumboldtine, has been isolated along with the known norditerpenoid alkaloids lappaconitine, anthranoyllycoctonine, lycoctonine, puberaconitine, ajacine, and septentriodine. The structure of alexhumboldtine was established on the basis of 1H, 13C, DEPT, homonuclear 1H COSY, NOESY, HSQ...
متن کاملResponse to Viola Schiaffonati
Her comments on my work cover a rich variety of topics. I won't try to comment on everything she has to say, but she has focused on a number of issues that I have also thought about and think are important. Broadly speaking we do agree, I believe, about the role of models in the philosophy of science and also in various parts of science as well. I have several comments, so I will highlight each...
متن کاملNetztechnologien im optischen Testbed VIOLA
Zusammenfassung: VIOLA (Vertically Integrated Optical Testbed for Large Applications) ist ein vom BMBF im Rahmen der e-Science-Initiative gefördertes Projekt. Unter der Federführung des DFN arbeiten das Forschungszentrum Jülich, das Forschungszentrum caesar in Bonn, die Fraunhofer-Institute IMK und SCAI in Sankt Augustin, die Universität Bonn, die FH Bonn-Rhein-Sieg in Sankt Augustin, die RWTH ...
متن کاملC:\moje zbiory\viola\Enformatica_Praga_2006\Praga_2006.dvi
Segmentation is an important step in medical image analysis and classification for radiological evaluation or computer aided diagnosis. The CAD (Computer Aided Diagnosis ) of lung CT generally first segment the area of interest (lung) and then analyze the separately obtained area for nodule detection in order to diagnosis the disease. For normal lung, segmentation can be performed by making use...
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ژورنال
عنوان ژورنال: New Phytologist
سال: 1941
ISSN: 0028-646X,1469-8137
DOI: 10.1111/j.1469-8137.1941.tb07043.x