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Now showing items 1221-1230 of 5725
Diastereomeric control of enantioselectivity: evidence for metal cluster catalysis
(R S C Publications, 2014)
Enantioselective hydrogenation of tiglic acid effected by diastereomers of the general formula [(μ-H)2Ru3(μ3-S)(CO)7(μ-P–P*)] (P–P* = chiral Walphos diphosphine ligand) strongly supports catalysis by intact Ru3 clusters. ...
Dielectric breakdown strength of epoxy bimodal-polymer-brush-grafted core functionalized silica nanocomposites
(Institute of Electrical and Electronics Engineers, 2014)
The central goal of dielectric nanocomposite design is to create a large interfacial area between the matrix polymer and nanofillers and to use it to tailor the properties of the composite. The interface can create sites ...
Dielectron and heavy-quark production in inelastic and high-multiplicity proton–proton collisions at √s = 13 TeV
(Elsevier B.V., 2019)
The measurement of dielectron production is presented as a function of invariant mass and transverse
momentum (pT) at midrapidity (|ye| < 0.8) in proton–proton (pp) collisions at a centre-of-mass energy
of √s = 13 TeV. ...
Dielectron production in proton-proton and proton-lead collisions at √sNN = 5.02 TeV
(American Physical Society, 2020)
The first measurements of dielectron production at midrapidity (|ηe| < 0.8) in proton–proton and proton–lead collisions at √sNN = 5.02 TeV at the LHC are presented. The dielectron cross section is measured with the ALICE ...
Dielectron production in proton-proton collisions at √s = 7 TeV
(Springer, 2018)
The first measurement of e+e
− pair production at mid-rapidity (|ηe| < 0.8)
in pp collisions at √
s = 7 TeV with ALICE at the LHC is presented. The dielectron production
is studied as a function of the invariant mass ...
Diet and trophic niche of the invasive signal crayfish in the first invaded Italian stream ecosystem
(Nature Publishing Group, 2021)
The occurrence of the signal crayfish Pacifastacus leniusculus in the Valla Stream was the first established population of this invasive species recorded in an Italian stream ecosystem. We evaluated the seasonality of diet ...
Diet composition and seasonal feeding patterns of a freshwater ringed seal (Pusa hispida saimensis)
(Wiley-Blackwell Publishing, 2015)
The Saimaa ringed seal (Pusa hispida saimensis) is one of the few freshwater seal
populations worldwide. The major conservation issue of this critically endangered
population is bycatch mortality. We used digestive tract ...
Diet influences resource allocation in chemical defence but not melanin synthesis in an aposematic moth
(The Company of Biologists, 2024)
For animals that synthesise their chemical compounds de novo, resources, particularly proteins, can influence investment in chemical defences and nitrogen-based wing colouration such as melanin. Competing for the same ...
Diet Quality Limits Summer Growth of Field Vole Populations
(Public Library of Science, 2014)
Marked variation occurs in both seasonal and multiannual population density peaks of northern European small mammal
species, including voles. The availability of dietary proteins is a key factor limiting the population ...