Results 21 to 30 of about 164,947 (266)

Trapped antihydrogen

open access: yesNature, 2010
Antimatter was first predicted in 1931, by Dirac. Work with high-energy antiparticles is now commonplace, and anti-electrons are used regularly in the medical technique of positron emission tomography scanning. Antihydrogen, the bound state of an antiproton and a positron, has been produced at low energies at CERN (the European Organization for Nuclear
Andresen, G. B.   +41 more
openaire   +4 more sources

PHEROMONE SYNERGISTS AS CO-ATTRACTANT FOR OLFACTORY TRAPPING OF SCAPANES AUSTRALIS BSDV. (COLEOPTERA: SCARABAEIDAE) PEST OF COCONUT IN PAPUA NEW GUINEA

open access: yesCORD, 2004
Olfactory trapping of Scapanes australis is being studied to develop it to complement existing control methods. Components required were traps, pheromone and pheromone synergist.
Titus Kakul   +5 more
doaj   +1 more source

Analytical Solution for Heat Transfer in Electroosmotic Flow of a Carreau Fluid in a Wavy Microchannel

open access: yesApplied Sciences, 2019
This article explores the heat and transport characteristics of electroosmotic flow augmented with peristaltic transport of incompressible Carreau fluid in a wavy microchannel.
Saima Noreen   +3 more
doaj   +1 more source

Aspiration Traps [PDF]

open access: yesThe B.E. Journal of Theoretical Economics, 2015
AbstractFundamental non-recurrent choices, like location or education, affect the attitudes and beliefs with which the individual consequently analyzes day-to-day decision problems.
Heifetz, Aviad, Minelli, Enrico
openaire   +1 more source

Evaluation of Monitoring Traps and Lures for Drosophila suzukii (Diptera: Drosophilidae) in Berry Plantings in Florida

open access: yesInsects, 2019
Drosophila suzukii (Diptera: Drosophilidae) is an invasive insect pest that was detected in Florida in August 2009 in Hillsborough County. Very limited information is available for berry growers to properly detect and monitor this serious pest in ...
Dasia S. Harmon   +3 more
doaj   +1 more source

Evaluation of the efficacy duration of different types of pheromone dispensers to lure Ips typographus (L.) (Coleoptera: Curculionidae: Scolytinae)

open access: yesJournal of Forest Science, 2014
We presentthe results oftesting10pheromonedispensersused to lure the sprucebark beetle-Ipstypographus(Linnaeus, 1758). A comparisonwas made between boththeir efficacyand also the decrease intheir efficacyafterapplication.
P. Zahradník, M. Zahradníková
doaj   +1 more source

Stagnation Traps [PDF]

open access: yesThe Review of Economic Studies, 2017
We provide a Keynesian growth theory in which pessimistic expectations can lead to very persistent, or even permanent, slumps characterized by high unemployment and weak growth. We refer to these episodes as stagnation traps, because they consist in the joint occurrence of a liquidity and a growth trap.
Luca Fornaro, Gianluca Benigno
openaire   +7 more sources

Use of Snares to Live-Capture Beavers

open access: yesHuman-Wildlife Interactions, 2017
Wildlife managers, researchers, and nuisance-control operators often require a nonlethal means of capturing beavers (Castor canadensis). Historically, live-capture has relied on enclosure-type traps such as Bailey or Hancock traps.
Lance B. McNew Jr.   +2 more
doaj   +1 more source

Adult population fluctuation of Comadia redtenbacheri (Hammerschmidt, 1847) (Lepidoptera: Cossidae)

open access: yesSHILAP, 2022
Comadia redtenbacheri (Hammerschmidt, 1847) is an insect highly regarded for its commercial and nutritional value. Adult fluctuation in a plantation of Agave salmiana Otto ex Salm-Dyck was determined using ultraviolet light traps.
Manuel Jiménez-Vásquez   +5 more
doaj   +1 more source

Proton belt variations traced back to Fengyun-1C satellite observations

open access: yesEarth and Planetary Physics, 2020
We used historical data to trace trapped protons observed by the Fengyun-1C (FY-1C) satellite at low Earth orbits (~800 km) and chose data at 5–10 MeV, 10–40 MeV, 40–100 MeV, and ~100–300 MeV from 25 March to 18 April 2000 to analyze the proton ...
ChunQin Wang   +10 more
doaj   +1 more source

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