Results 41 to 50 of about 4,971 (191)

Detection of barley- and wheat-specific forms of Wheat Dwarf Virus in it's vector Psammotettix alienus by duplex PCR assay

open access: yesJournal of Plant Protection Research, 2018
Wheat dwarf virus (WDV) has been one of the most common viruses on cereal crops in Poland in the last years. This single stranded DNA virus is transmitted by the leafhopper spec, Psammotettix alienus (Dahlb.) in a persistent manner.
Katarzyna Trzmiel, Tomasz Klejdysz
doaj   +1 more source

Two mutations in the truncated Rep gene RBR domain delayed the Wheat dwarf virus infection in transgenic barley plants

open access: yesJournal of Integrative Agriculture, 2018
Wheat dwarf virus (WDV), an important cereal pathogen, is closely related to Maize streak virus (MSV), a model virus of the Mastrevirus genus. Based on its similarity to known MSV resistance strategies, a truncated part of the WDV replication-associated (
Pavel Cejnar   +4 more
doaj   +1 more source

Nonleptonic Cabibbo Favoured $B$-Decays and $CP$-Asymmetries for Charmed Final Hadron States in Isgur and Wise Theory

open access: yes, 1993
The Cabibbo allowed non-leptonic $B$-decays in two hadrons are studied, within the factorization hypothesis, in the framework of Isgur and Wise theory for the matrix elements of the $\Delta B=-\Delta C=\pm 1$ weak currents.
A.B. Carter   +19 more
core   +1 more source

Fully parameterized macromodeling of S-parameter data by interpolation of numerator & denominator [PDF]

open access: yes, 2012
A robust approach for parametric macromodeling of tabulated frequency responses is presented. An existing technique is modified in such a way that interpolation is performed at the numerator and denominator level, rather than the transfer function level.
Deschrijver, Dirk, Dhaene, Tom
core   +2 more sources

Theta dependence of the vacuum energy density in chiral effective Lagrangian models at finite temperature, above $T_c$

open access: yes, 2019
In this work, extending a previous study at zero temperature ($T=0$), we perform a systematic study of the modifications to the QCD vacuum energy density $\epsilon_{vac}$ in the finite-temperature case, above the chiral transition at $T_c$, caused by a ...
Meggiolaro, Enrico
core   +1 more source

The Chiral Ring and the Periods of the Resolvent [PDF]

open access: yes, 2007
The strongly coupled vacua of an N=1 supersymmetric gauge theory can be described by imposing quantization conditions on the periods of the gauge theory resolvent, or equivalently by imposing factorization conditions on the associated N=2 Seiberg-Witten ...
Argurio   +24 more
core   +3 more sources

Different Aspects of Entropic Cosmology [PDF]

open access: yesUniverse
We provide a short review of the recent developments in entropic cosmology based on two thermodynamic laws of the apparent horizon, namely the first and the second laws of thermodynamics.
S. Nojiri, S. Odintsov, Tanmoy Paul
semanticscholar   +1 more source

The Proof of the Dijkgraaf-Vafa Conjecture and application to the mass gap and confinement problems

open access: yes, 2006
Using generalized Konishi anomaly equations, it is known that one can express, in a large class of supersymmetric gauge theories, all the chiral operators expectation values in terms of a finite number of a priori arbitrary constants.
B. Feng   +18 more
core   +2 more sources

Silky bent grass (Apera spica-venti [L.] Beauv.) - a new host and reservoir of wheat dwarf virus

open access: yesPlant Protection Science, 1999
Wheat dwart virus (WDV) was detected by serological assays and transmission tests in samples of silky bent grass (Apera spica-venti [L.] Beauv.) that were taken in the field and showed signs of dwarfing, leaf yellowing and inflorescence reduction.
Josef Vacke, Radim Cibulka
doaj   +1 more source

Exact Superpotentials for Theories with Flavors via a Matrix Integral

open access: yes, 2003
We extend and test the method of Dijkgraaf and Vafa for computing the superpotential of N=1 theories to include flavors in the fundamental representation of the gauge group.
A. Gorsky   +23 more
core   +1 more source

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