Applications of the Radius-Diameter Diagram to the Classification of Topological and Geometrical Shapes of Chemical Compounds - Petitjean - 1992Petitjean M. 1992. Applications of the radius-diameter diagram to the classification of topological and geometrical shapes of chemical compounds . J. Ch...
Emphasis will be placed on the periodicity of the properties that are of direct relevance to the formation of chemical bonds. These properties are essentially the size of atoms and the energy required to remove electrons from or attach them to neutral atoms. Atomic size Broadly speaking, the ...
When given a list of chemical formulas, how to know if they have a zero dipole moment, or if they have a non-zero dipole moment? Explain. What is a dipole moment? Explain how to identify one. Also, what do symmetrical and asymmetrical mean?
Polymers are chemical compounds consisting of long molecule chains that have bonded together. The smaller individual molecules, called monomers, link to one another forming long molecular chains. Polymers are developed from linking monomers. Plastics are polymers that are formed by combining different mon...
Jones, Derry W.a Chemistry and Chemical Technology, University of Bradford, West Yorkshire, BD7 1DP, U.K.Shaw, Julian D.a Chemistry and Chemical Technology, University of Bradford, West Yorkshire, BD7 1DP, U.K.Taylor & Francis GroupPolycyclic Aromatic Compounds...
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(a) Heatmap of the 111 compounds identified between the different phytoplankton species. Data were log-transformed and mean centred. An interactive version of this figure is available (Fig. S2). (b) Principal component analysis (PCA) of chemical composition of the phytoplankton-derived DOM: displ...
Significant changes in the rhizosphere bacterial community composition of soybean plants with different nodulation phenotypes During the growth of soybean plants, differences in the chemical compositions of the rhizosphere may affect distinct rhizosphere microbiota. We subsequently examined variations in the com...
Gacs-baitz, Eszter,L Minuti,A Taticchi - 《Polycyclic Aromatic Compounds》 被引量: 28发表: 1996年 Synthesis of the putative active metabolites of the cyclopenta[a]phenanthrenes. Synthesis of the trans-3,4-dihydro-3,4-diol and syn-3,4-diol 1,2-epoxide de... The first synthesis of the...