Results 221 to 230 of about 5,663,589 (279)

Spatiotemporal infestation patterns of Aceria litchii Keifer (Acari: Eriophyidae) in a lychee orchard in South Florida. [PDF]

Sci Rep
Ataide LMS, Riley S, Dutra J, De Giosa M, Canon MA, Della Vechia JF, Tassi AD, Villamarin P, Crane JH, Carrillo D, Revynthi AM.   +10 more
europepmc   +1 more source

Comparative entropy analysis of 2D transition metal tetrahydroxyquinones via machine learning approaches. [PDF]

Sci Rep
Irfan M, Bashir N, Gaid ASA, Althobaiti T, Rehman HU, Semaničová-Feňovčíková A.   +5 more
europepmc   +1 more source

Sustainable trap strategies for controlling the dominant waxberry pest Dicranocephalus wallichii bowringi: Evidence from three-year field trials. [PDF]

Crop Health
Zhu YX, Yang R, Song ZR, Gong MH, Shen Y, Xu Z, Du YZ.   +6 more
europepmc   +1 more source

Foliar application of zinc-glycine and zinc-sulfate differentially affects leaf biochemical attributes and fruit quality in Newhall orange trees. [PDF]

Sci Rep
Raiesi T, Shiri MA, Raeisi H.
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 ...
M. Lepović, I. Gutman
semanticscholar   +2 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.
A. Dobrynin, I. Gutman
semanticscholar   +2 more sources

The Estrada index of chemical trees

Journal of Mathematical Chemistry, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Aleksandar Ilić, D. Stevanović
semanticscholar   +3 more sources