Results 171 to 180 of about 260,163 (214)
Organisation of testing services, structural barriers and facilitators of routine HIV self-testing during sexually transmitted infection consultations: a qualitative study of patients and providers in Abidjan, Côte d'Ivoire. [PDF]
BMC Infect DisBoye S +11 more
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Gender Norms and Structural Barriers to Use of HIV Prevention in Unmarried and Married Young Women in Manicaland, Zimbabwe: An HIV Prevention Cascade Analysis. [PDF]
Gates Open ResGregson S +6 more
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Superlattices and Microstructures, 1998
Generalized-barrier parameters are studied theoretically for rectangular and trapezoidal single-barriers as well as parallel-plane ones, which are basic units for double-barrier and multiple-barrier structures. Analytical expressions for these parameters are derived by taking into account the position-dependent effective-mass effect.
X.D. Zhao, H. Yamamoto, K. Taniguchi
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Generalized-barrier parameters are studied theoretically for rectangular and trapezoidal single-barriers as well as parallel-plane ones, which are basic units for double-barrier and multiple-barrier structures. Analytical expressions for these parameters are derived by taking into account the position-dependent effective-mass effect.
X.D. Zhao, H. Yamamoto, K. Taniguchi
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Comparison of resonance conditions in double-barrier structures and triple-barrier structures
Journal of Applied Physics, 1996A theoretical analysis has been carried out to compare the resonance condition in the asymmetric double-barrier structure with that in the symmetric triple-barrier one. It is found that the triple-barrier structure may be considered as two quasidouble-barrier structures whose resonance condition may decide the resonance levels in the triple-barrier ...
X. D. Zhao +3 more
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Dismantling Structural Barriers
Obstetrics & Gynecology, 2022Disparities in health by race, ethnicity, and socioeconomic status within obstetrics and gynecology are well described and prompt evaluation for structural barriers. Academic medicine has a historical role in caring for marginalized populations, with medical trainees often serving as first-line clinicians for outpatient care. The ubiquitous approach of
Asha Belle, McClurg +4 more
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Fluctuations of barrier structure in ionic channels
Biochimica et Biophysica Acta (BBA) - Biomembranes, 1980In rate-theory analysis of ion transport in channels, the energy of binding sites and the height of activation barriers are usually considered to be time-independent and not influenced by the movement of the ion. The assumption of a fixed barrier structure seems questionable, however, in view of the fact that proteins may exist in a large number of ...
P, Läuger, W, Stephan, E, Frehland
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Structured regularization for barrier NLP solvers
Computational Optimization and Applications, 2016zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wei Wan, Lorenz T. Biegler
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SPIN FILTERING IN THE DOUBLE-BARRIER STRUCTURE
International Journal of Modern Physics B, 2005In this paper, we study the electron transport properties in the double non-collinear δ-magnetic barriers within 2-dimensional electron gas. We find that the transmission of spin current depends on the relative orientation of each magnetic barrier. In addition to the well-known unpolarized configurations in an antiparallel magnetic barrier structure ...
Lai, Huan-Wen, Zhao, Xuean, Li, You-Quan
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