Results 21 to 30 of about 80,550 (200)
A new approach to quantum backflow [PDF]
, 2005 We derive some rigorous results concerning the backflow operator introduced by Bracken and Melloy. We show that it is linear bounded, self adjoint, and not compact.
Bogolubov N N +11 more
core +1 more source
Ptaquiloside in Irish Bracken Ferns and Receiving Waters, with Implications for Land Managers
Molecules, 2016 Ptaquiloside, along with other natural phytotoxins, is receiving increased attention from scientists and land use managers. There is an urgent need to increase empirical evidence to understand the scale of phytotoxin mobilisation and potential to enter ...
Connie O’Driscoll +9 more
doaj +1 more source
Quantum Damped Harmonic Oscillator [PDF]
, 2012 In this chapter we treat the quantum damped harmonic oscillator, and study mathematical structure of the model, and construct general solution with any initial condition, and give a quantum counterpart in the case of taking coherent state as an initial ...
Fujii, Kazuyuki
core +2 more sources
Bracken Fern Control in Pastures
EDIS, 2021 This publication discusses chemical control of bracken fern in pastures. Written by B. Sellers, J. Ferrell, and T. Wilson, and published by the UF/IFAS Agronomy Department, revised August 2021.
Brent A. Sellers +2 more
doaj +3 more sources
A review of current bracken control and associated vegetation strategies in Great Britain [PDF]
Web Ecology, 2002 Bracken is a major problem for livestock-based, extensive agriculture in many parts of the world. It also causes problems for conservation, recreation, game management and forestry and is hence subject to management in order to control it.
R. J. Pakeman, M. G. Le Duc, R. Marrs
doaj +1 more source
Control of bracken by promoting regeneration of woody vegetation in the Yucatan Peninsula
Trees, Forests and People, 2023 In the tropical dry forest of the Yucatan Peninsula in southern Mexico, as in many parts of the Neotropics, deforested areas have been colonized by the highly competitive invasive bracken (Pteridium arachnoideum), which inhabits naturally regenerated and
Samuel Israel Levy-Tacher +1 more
doaj +1 more source
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2005 The carcinogenicity of bracken fern harvest from two regions of Paraná State to induce hematury in rats was studied. In order to do that, 33 Wistar rats were divided in three groups.
G.D. Cruz +3 more
doaj +1 more source
Systematic Reviews, 2021 Background Systematic reviews involve searching multiple bibliographic databases to identify eligible studies. As this type of evidence synthesis is increasingly pursued, the use of various electronic platforms can help researchers improve the efficiency
Sandra McKeown, Zuhaib M. Mir
doaj +1 more source
On the Fourier Spectra of the Infinite Families of Quadratic APN Functions [PDF]
, 2008 It is well known that a quadratic function defined on a finite field of odd degree is almost bent (AB) if and only if it is almost perfect nonlinear (APN).
Bracken, Carl, Zha, Zhengbang
core +3 more sources
First Report of a Bracken Blight Disease Caused by Didymella sp.
Research in Plant Disease, 2019 An outbreak of new disease with leaf and stem blight symptom occurred at bracken-growing fields in Namhae-gun, Gyeongsangnam-do, Korea during the last 4 years. This new disease caused significant yield losses on bracken production in this area.
Jung Eun Lee +6 more
doaj +1 more source