Results 251 to 260 of about 63,462 (307)

Distinct Patterns of Gene Gain and Loss: Diverse Evolutionary Modes of NBS-Encoding Genes in Three Solanaceae Crop Species

open access: yesG3: Genes, Genomes, Genetics, 2017
Plant resistance conferred by nucleotide binding site (NBS)-encoding resistance genes plays a key role in the defense against various pathogens throughout the entire plant life cycle.
Xiaoqin Sun   +2 more
exaly   +2 more sources
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The NBS Atomic Time Scale System: AT(NBS), SAT(NBS), and UTC(NBS)

24th Annual Symposium on Frequency Control, 1970
The accuracy involved both the 5 part in IOL3 uncertainty in NBS I11 and the frequency dispersion of the ensemble after calibration. To determine the precision capabilities, noise models were established for the time dispersion character is t ics of each clock in the ensemble, Some theoretical considerations based on these models yielded very ...
D.W. Allan, J.E. Gray, H.E. Machlan
openaire   +1 more source

Interdiffusion in Nb-Mo, Nb-Ti and Nb-Zr Systems

Defect and Diffusion Forum, 2012
Diffusion couple technique is used to study interdiffusion in Nb-Mo, Nb-Ti and Nb-Zr systems. Interdiffusion coefficients at different temperatures and compositions are determined using the relation developed by Wagner. The change in activation energy for interdiffusion with composition is determined.
Soma Prasad, Aloke Paul
openaire   +1 more source

NBS-4 and NBS-6: The NBS Primary Frequency Standards

Metrologia, 1977
The NBS primary frequency standard NBS-4 has been operating since January 1973. NBS-5 operated from January 1973 until March 1974. At this time NBS-5 was modified significantly and redesignated NBS-6. The extent and character of these design changes are discussed. NBS-6 operation and evaluation began in March 1975.
David J Glaze   +3 more
openaire   +1 more source

Revisiting the Origin of Plant NBS-LRR Genes.

Trends in Plant Science, 2019
The NBS-LRR genes are functionally responsible for plant resistance to alien pathogens. Here, we show that NBS-LRR genes originated in the common ancestor of the whole green lineage, and have rapidly diverged into three subclasses with different domain ...
Zhu-Qing Shao   +4 more
semanticscholar   +1 more source

Resistive transitions in Nb/Cu0.41Ni0.59/Nb trilayers

JETP Letters, 2008
The superconducting phase transition in Nb/Cu0.41Ni0.59/Nb trilayers, with superconducting (S) Nb and ferromagnetic (F) Cu0.41Ni0.59, has been experimentally studied as a function of the F-layer thickness by measuring the temperature dependence of the electrical resistance R (T).
Prischepa, S. L.   +7 more
openaire   +4 more sources

Superconducting transition in Nb/Gd/Nb trilayers

Physical Review B, 1996
We report the observation of oscillations in the superconducting transition temperature {ital T}{sub {ital c}} of Nb/Gd/Nb trilayers as the Gd layer thickness {ital d}{sub Gd} is varied. The {ital T}{sub {ital c}} minimum occurs at {ital d}{sub Gd}{approx_equal}13 A.
, Jiang, , Davidovic, , Reich, , Chien
openaire   +2 more sources

A Paramagnetic Diniobium Complex with a Very Short Nb−Nb Distance: Evidence for a Pseudo Nb−Nb Triple Bond?

Angewandte Chemie International Edition, 1999
In spite of the short Nb-Nb distance (2.268 Å) and the presumable existence of an Nb identical withNb bond, the paddle-wheel-shaped diniobium(II) complex 1 is paramagnetic. Theoretical calculations indicate that the presence of LiCl moieties on the intermetallic axis lowers the Nb-Nb bond order and is responsible for the observed paramagnetism.
, Tayebani   +4 more
openaire   +2 more sources

Nature-based solutions (NbS) for reducing the risk of shallow landslides: Where do we stand?

, 2019
Nature-based solutions (NbS) are highlighted in international agreements such as the Sendai Framework for Disaster Risk Reduction 2015–2030 as promising strategies to reduce disaster risk, adapt to climatic change, and strengthen community resilience ...
T. Arce-Mojica   +4 more
semanticscholar   +1 more source

Nonequilibrium phenomena in superconducting double-barrier structure Nb/Nb'/Nb

Physica B: Condensed Matter, 1994
Abstract We report the first experimental data indicating on the influence of the nonequilibrium quasiparticles with the energy near gap in SDBS in the case when the injection rate of the quasiparticles with the higher energy exceeds the inelastic relaxation rate.
G.A. Ovsyannikov   +2 more
openaire   +1 more source

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