Results 21 to 30 of about 2,718,600 (295)

Short communication: Evaluation of a model for predicting Avena fatua and Descurainia sophia seed emergence in winter rapeseed

open access: yesSpanish Journal of Agricultural Research, 2017
Avena fatua and Descurainia sophia are two important annual weeds throughout winter rapeseed (Brassica napus L.) production systems in the semiarid region of Iran.
Mohammad A. Aboutalebian   +2 more
doaj   +1 more source

Nambu-Goldstone Mechanism in Real-Time Thermal Field Theory [PDF]

open access: yes, 1999
In a one-generation fermion condensate scheme of electroweak symmetry breaking, it is proven based on Schwinger-Dyson equation in the real-time thermal field theory in the fermion bubble diagram approximation that, at finite temperature $T$ below the ...
A. D. Linde   +31 more
core   +2 more sources

Base temperature for node emission and plastochron determination in tomato species and their hybrids [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2018
: The objective of this work was to estimate the base temperature for node emission and plastochron determination in wild species of tomato, in the Redenção cultivar, and in their respective interspecific F1 hybrids.
André Ricardo Zeist   +5 more
doaj   +1 more source

Is thermal conductivity time‐dependent? [PDF]

open access: yesphysica status solidi (b), 2008
AbstractThe question whether thermal conductivity may be time dependent on short time scales is investigated and answered in the affirmative. For this purpose, we make use of a classical relation between the Brownian mean displacement and the thermal conductivity.
openaire   +2 more sources

Gravitational Thermodynamics of Space-time Foam in One-loop Approximation [PDF]

open access: yes, 1999
We show from one-loop quantum gravity and statistical thermodynamics that the thermodynamics of quantum foam in flat space-time and Schwarzschild space-time is exactly the same as that of Hawking-Unruh radiation in thermal equilibrium. This means we show
Coleman S.   +5 more
core   +3 more sources

Screening for Cold Tolerance during Germination within Sweet and Fiber Sorghums [Sorghum bicolor (L.) Moench] for Energy Biomass

open access: yesAgronomy, 2021
Within the project “BIOSEA” funded by the Italian Ministry of Agriculture and Forestry, a preliminary laboratory test was conducted to assess the variability for cold tolerance during germination in 30 cultivars of biomass sorghum, among fiber and sweet ...
Cristina Patanè   +3 more
doaj   +1 more source

Time-periodic thermal rectification in heterojunction thermal diodes

open access: yesInternational Journal of Heat and Mass Transfer, 2022
Abstract Thermal diodes that rectify time-periodic temperature ( T ) fields have been proposed for applications in waste heat scavenging and thermal control. Although these applications involve transient temperatures, prior analytical solutions for heat conduction in thermal diodes have focused on the steady-state response.
Trevor J. Shimokusu   +3 more
openaire   +1 more source

QED symmetries in real-time thermal field theory [PDF]

open access: yes, 1996
We study the discrete and gauge symmetries of Quantum Electrodynamics at finite temperature within the real-time formalism. The gauge invariance of the complete generating functional leads to the finite temperature Ward identities.
A. Das   +22 more
core   +4 more sources

Novel models for simulating maize growth based on thermal time and photothermal units: Applications under various mulching practices

open access: yesJournal of Integrative Agriculture, 2023
Maize (Zea mays L.) is one of the three major food crops and an important source of carbohydrates for maintaining food security around the world. Plant height (H), stem diameter (SD), leaf area index (LAI) and dry matter (DM) are important growth ...
Zhen-qi LIAO   +6 more
doaj   +1 more source

Travel-time-based thermal tracer tomography [PDF]

open access: yesHydrology and Earth System Sciences, 2016
Abstract. Active thermal tracer testing is a technique to get information about the flow and transport properties of an aquifer. In this paper we propose an innovative methodology using active thermal tracers in a tomographic setup to reconstruct cross-well hydraulic conductivity profiles.
M. Somogyvári, P. Bayer, R. Brauchler
openaire   +5 more sources

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