Results 41 to 50 of about 877,649 (269)
The Potential Health Benefits of Urban Tree Planting Suggested through Immersive Environments
LandDisruptive change in urban landscapes, such as large-scale tree planting, is complicated by the different priorities of the wide range of urban stakeholders.
Christopher Hassall +3 more
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FEBS Letters, EarlyView.Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley +1 more source
Choosing the exponent in the definition of the connectivity index [PDF]
Journal of the Serbian Chemical Society, 2001 Let du denote the degree of the vertex u of a molecular graph G. Then the connectivity index of G is defined as C (l) = G (l; C) = S (dudu)l, where the summation goes over all pairs of adjacent vertices. The exponent l is usually chosen to be equal to 1/
MIRKO LEPOVIC, IVAN GUTMAN
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Acta Geographica Slovenica, 2011 Both research and policy require a transparent approach to monitoring and managing natural and cultural heritage because landscape quality has become a key concept in landscape planning.
Mateja Šmid Hribar, Anka Lisec
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On the Aα-Spectral Radii of Cactus Graphs
Mathematics, 2020 Let A ( G ) be the adjacent matrix and D ( G ) the diagonal matrix of the degrees of a graph G, respectively. For 0 ≤ α ≤ 1 , the A α -matrix is the general adjacency and signless Laplacian spectral matrix having the form of
Chunxiang Wang +3 more
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Trees “Pierced” by other Trees [PDF]
Nature, 1874 THE natural phenomenon of one tree within another is very frequently witnessed in India in the case of the “pipal” (vulg. peepul) and the palmyra. The first instance which drew my attention to it was one in which a very large specimen of the former with a stem some 4 ft.
openaire +2 more sources
Reconstructing enzyme evolution by protein engineering
FEBS Letters, EarlyView.Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler +2 more
wiley +1 more source
FEBS Letters, EarlyView.The mycobacterial CIII‐CIV respiratory supercomplex is an obligate assembly, encompassing several subunits of unknown functions. We have characterized the intracellular subunit AscF, and show that it is unlikely to be a sensor for metals or nucleotides, but is required for growth on nonfermentable energy sources, and likely works as an adapter for ...
Eni Rile +8 more
wiley +1 more source
The limiting equation for Neumann Laplacians on shrinking domains
Electronic Journal of Differential Equations, 2000 Let ${Omega_{epsilon} }_{0 < epsilon le1}$ be an indexed family of connected open sets in ${mathbb R}^2$, that shrinks to a tree $Gamma$ as $epsilon$ approaches zero. Let $H_{Omega_{epsilon}}$ be the Neumann Laplacian and $f_{epsilon}$ be the restriction
Yoshimi Saito
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