Results 211 to 220 of about 96,632 (252)

Improving Peach Fruit Yield and Quality Using Foliar Application of Nano Chelated Zinc and Seaweed Extract (<i>Spirulina platensis</i>): A Multivariate Analysis Approach. [PDF]

Food Sci Nutr
Dawood AI, Waheeb SA, Majeed LSA, Meftahizadeh H.   +3 more
europepmc   +1 more source

Enhanced rubber yield and its stability during the rainy season: insights from five-year yield monitoring in Southwestern China. [PDF]

Front Plant Sci
Wei R, Suo C, Xie J, Yang Q, Feng D, Feng Y, Li J, Li Y.   +7 more
europepmc   +1 more source

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A Collective Property of Trees and Chemical Trees

Journal of Chemical Information and Computer Sciences, 1998
The Wiener index (W) and the Hosoya polynomial (H) have been calculated for all trees (and thus for all chemical trees) with 20 and fewer vertices. Corroborating an earlier observation (Razinger, M. et al. J. Chem. Inf. Comput. Sci. 1985, 25, 23−27), we show that the ability of W to distinguish between nonisomorphic n-vertex trees (respectively ...
Ivan Gutman
exaly   +2 more sources

The Estrada index of chemical trees

Journal of Mathematical Chemistry, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dragan Stevanovic, Aleksandar Ilić, Ilić Aleksandar   +2 more
exaly   +3 more sources

The minimum ABC index of chemical trees

Discrete Applied Mathematics
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wei Gao
exaly   +2 more sources

Ordering chemical trees by Wiener polarity index

Applied Mathematics and Computation, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ali Reza Ashrafi, Ali Ghalavand
exaly   +3 more sources

The Average Wiener Index of Trees and Chemical Trees

Journal of Chemical Information and Computer Sciences, 1999
Meir and Moon (J. Combin. Theory 1970, 8, 99−103) reported a combinatorial formula for the average value of the distance between a pair of vertices in the class of all labeled trees with a fixed number (= n) of vertices. From this result an expression for the average Wiener index 〈Wn〉lab of labeled n-vertex trees follows immediately.
Andrey A. Dobrynin, Ivan Gutman
openaire   +1 more source

Chemical trees enumeration algorithms

Quarterly Journal of the Belgian, French and Italian Operations Research Societies, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Roberto Aringhieri, Pierre Hansen, Federico Malucelli   +2 more
openaire   +1 more source