447 research outputs found
Scientific school of doctor of biological sciences professor L.I. Rubtsov
No full textObjective – to explore the scientific school of the famous landscape architect, dendrologist, doctor of biological sciences professor Leonid Ivanovich Rubtsov.
Material and methods. Creative biographies of L.I. Rubtsov’s post graduate students have been analyzed. The historical- scientific method and method of interviews were used.
Results. The theoretical scientific developments of L.I. Rubtsov, set out in unique monographs, and his ideas are implemented practically during the construction a number of botanical gardens and parks were investigated. Professor Rubtsov worked fruitfully for 50 years in the field of dendrology and green building. In M.M. Gryshko National Botanical Garden of the NAS of Ukraine Leonid Ivanovich was the author and the head of the work on the arboretum creation. In 1972 the Botanical Garden was granted the status of a monument of landscape art of national importance. This became possible thanks to works of L.I. Rubtsov. His knowledge and great experience he passed on to his students, who eventually became good experts in dendrology and landscape architects. Professor L.I. Rubtsov was the head of 8 post graduate students (Candidates of Sciences): namely 3 Candidates of Architecture (I.D. Rodichkin, V.G. Maevskaya, V.I. Meshkova) and 5 Candidates of Biological Sciences (M.I. Orlov, Yu.K. Kirychek, M.F. Kaplunenko, B.K. Gryshko-Bogmenko, N.F. Kolybina).
Conclusions. Erudition, a wide range of interests and style of work of Leonid Ivanovich were of decisive importance for attracting young talents and for many years determined their creative ways. Scientific works of L.I. Rubtsov, especially monographs, reference books and manuals are still indispensable benefits for many specialists in the field of landscape architecture and decorative gardening
Peculiarities of symbiotic and non-symbiotic reproduction of orchids
No full textThe one of well developed methods of reproduction of orchids is seed reproduction in vitro. Two methods – symbiotic and non-symbiotic – are common for seed germination of Orchidaceae in sterile culture. Large experience in orchids reproduction is accumulated and numerous theoretical and practical studies of orchids reproduction are conducted, but despite that the work of further improvement in methods and reproduction conditions and ascertaining of particularities of seedlings germinations of different species of Orchidaceae are continued
Сучасний стан досліджень особливостей симбіотичного та асимбіотичного розмноження орхідних
No full textThe one of well developed methods of reproduction of orchids is seed reproduction in vitro. Two methods – symbiotic and non-symbiotic – are common for seed germination of Orchidaceae in sterile culture. Large experience in orchids reproduction is accumulated and numerous theoretical and practical studies of orchids reproduction are conducted, but despite that the work of further improvement in methods and reproduction conditions and ascertaining of particularities of seedlings germinations of different species of Orchidaceae are continued
Contribution of T.M. Cherevchenko to the development of space biology
No full textThe results of many years investigation of T.M. Cherevchenko in study of peculiarities of artificial biogeocenosis functioning in the model experiments using clinostate and hermeticcaly sealed container under the conditions of space flight are given
Functional relation of Actinidia species phytohormonal status with regeneration ability and sex of plants
No full textEndogenous content of phytohormones has been investigated in one-year shoots of different actinidia species, which were introduced in Ukraine. Relationship between phytohormon status of plants and their ability to rooting was established. One of the main factors, which takes influence on plant regeneration ability for reproduction by green stem cuttings is a relation between endogenous auxins, cytokinins and abscisic-acid in actinidia shoots. Actinidia female plants have greater ratio of phytohormonal balance than male ones. This testifies to functional relation between sex and a ratio of endogenous content of stimulants and ingibitors in the plants
Gibberelin-like substances in regeneration and sex differentiation processes of actinidia plants
No full textThe presence of connection between regeneration ability of different species of Actinidia shoots and the activity of gibberelin like substances (GLS) were investigated. The content of GLS in four species: Actinidia arguta (Siebold et. Zucc.) Planch. ex Miq., A. poligama (Siebold et. Zucc.) Miq., A. kolomikta Maxim, A. chinensis Planch. was studied. The samples of Actinidia have been selected since April till June. GLS’s activity in the investigated species of Actinidia reached 10-6 according to gibberelin acid scale. It was found that the content of these substances in male shoots is greater than in female ones during the whole vegetative period. Female shoots form roots better than male ones. So it is not excluded, that GLS influence on sex differentiation processes of Actinidia, but do not take part in root formation
Phytohormonal complex of Syngonium under the conditions of hermetically sealed conteiner
No full textContent of endogenous phytohormones (IAA, ABA, cytokinins and gibberellins) has been studied in roots and shoots of Syngonium plants after nine months of staying in hermetically sealed container. It was determined that phytohormones content (stimulators and inhibitors) decreased. The obtained results show the relation of lability of hormonal system and adaptive plants properties
Role of phytolectin in the life cycle of plants
No full textIn the review the basic properties of plant lectins and their physio- logical role in the life cycle of plants are considered. There are data on the current state of the researches of phytolectins and lectin-like pro- teins as well as designation of the main directions of further study on the functioning of these proteins in the plant physiological processes.N. V. Kovalchuk, N. M. Melnykova, L. I. Musatenk
Numerical stability for velocity-based 2-phase formulation for geotechnical dynamic analysis
No full textAs a master student in AppliedMathematics at the Delft University of Technology I am highly educated in Numerical Analysis. My interest in this field even mademe choose elective courses such as Advanced Numerical Methods, Applied Finite Elements and Computational Fluid Dynamics. In my search for a challenging graduationproject I chose a research proposal on the material point method, an extension of the finite element method that is well-suited for problems involving large deformations. The proposal met al my personal requirements, since it contained a mathematical basis I am already familiar with and the opportunity to gain knowledge about a relatively new numerical method. Furthermore, it included an internship at DeltaresDelft Institute of Applied MathematicsElectrical Engineering, Mathematics and Computer Scienc
Bereiding van witte phosphor: Verslag behorende bij het eerste gedeelte van het fabrieksschema voor de bereiding van rode phosphor
No full textDocument(en) uit de collectie Chemische ProcestechnologieDelftChemTechApplied Science
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