Results 21 to 30 of about 3,332,297 (288)

Estimation of economic and biological traits of the alfalfa initial material in the south of the Rostov region

open access: yesАграрная наука Евро-Северо-Востока, 2022
Alfalfa is a perennial legume that plays an important role in feed production. The high demand for alfalfa all over the world, including the Russian Federation, results in the necessity to develop new high-yielding varieties with high quality feed.
A. A. Regidin   +3 more
doaj   +1 more source

Cycling stability of a hybrid activated carbon//poly(3- methylthiophene) supercapacitor with N-butyl-Nmethylpyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid as electrolyte [PDF]

open access: yes, 2005
A long cycle-life, high-voltage supercapacitor featuring an activated carbon//poly(3-methylthiophene) hybrid configuration with N-butyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid, a solvent-free green electrolyte, was ...
Balducci, Andrea   +5 more
core   +2 more sources

Green's function zeros in Fermi surface symmetric mass generation

open access: yesPhysical Review B, 2023
The Fermi surface symmetric mass generation (SMG) is an intrinsically interaction-driven mechanism that opens an excitation gap on the Fermi surface without invoking symmetry-breaking or topological order. We explore this phenomenon within a bilayer square lattice model of spin-1/2 fermions, where the system can be tuned from a metallic Fermi liquid ...
Da-Chuan Lu, Meng Zeng, Yi-Zhuang You
openaire   +2 more sources

Drying of Colloidal Binder Infiltrated Ceramic Green Parts Produced by Selective Laser Sintering™ [PDF]

open access: yes, 1993
Colloidal ceramic binders have been used to strengthen ceramic green shapes produced by Selective Laser Sintering. This paper focuses on the effectiveness of the colloid infiltration with respect to the physical properties of the colloidal binder ...
Barlow, J.W., Glazer, M., Vail, N.K.
core   +1 more source

Greenness of chemical reactions – limitations of mass metrics [PDF]

open access: yesGreen Chemistry Letters and Reviews, 2013
Abstract The influence of reaction conditions (yield, excess of stoichiometric reagent, molecular weights of reagents, and mass of auxiliary materials and solvents) on the values of several green chemistry mass metrics (E-factor, mass intensity, atom utilization, relative mass efficiency, and element efficiency), for reactions with 1:1 and 1:3 ...
M. Gabriela T.C. Ribeiro   +1 more
openaire   +1 more source

Mass Hierarchies from Anomalies: a Peek Behind the Planck Curtain [PDF]

open access: yes, 1996
The masses of quarks and leptons suggest a strong hierarchical structure. We argue that their patterns can be reproduced through the introduction of a new Abelian symmetry. The data suggest that this symmetry is anomalous.
Ramond, P.
core   +3 more sources

Positive mass theorem for the Paneitz-Branson operator [PDF]

open access: yes, 2008
We prove that under suitable assumptions, the constant term in the Green function of the Paneitz-Branson operator on a compact Riemannian manifold $(M,g)$ is positive unless $(M,g)$ is conformally diffeomophic to the standard sphere.
B. Ammann   +9 more
core   +5 more sources

The infinite mass limit of the two-particle Green function in QED [PDF]

open access: yesJournal of Physics G: Nuclear and Particle Physics, 1997
13 pages, Tex, no ...
Jallouli, H., Sazdjian, H.
openaire   +3 more sources

Use of cytoplasmic male sterility in sorghum breeding for productivity

open access: yesЗерновое хозяйство России, 2023
The productivity increase of many agricultural crops is associated with the production of heterotic hybrid forms that are more productive than conventional varieties.
N. A. Kovtunova   +4 more
doaj   +1 more source

EFFECT OF SILICON CONTAINING PRODUCTS ON FORMATION OF CORN YIELD [PDF]

open access: yesVolga Region Farmland, 2020
The article presents the results of studies on the effect of various types of silicon containing products on formation of corn yield, depending on the timing of nonroot treatment.
S.A. Semina   +2 more
doaj   +1 more source

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