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  1. 2561
    “…We show here direct empirical evidence that in regular arrays of vertically aligned CNs the overall enhancement factor is reduced when the pitch between emitters is less than half the emitter height, in accordance to our electrostatic simulations. …”
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    Deterministic Cold Cathode Electron Emission from Carbon Nanofibre Arrays
  2. 2562
    por Childs, Emma, de Wit, Harriet
    Publicado 2014
    “…Physical activity has long been considered beneficial to health and regular exercise is purported to relieve stress. However empirical evidence demonstrating these effects is limited. …”
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    Regular exercise is associated with emotional resilience to acute stress in healthy adults
  3. 2563
    “…Although there is increasing support for the use of risk-proportionate approaches to achieve these aims, the variety of methods and lack of an empirical evidence base can present challenges for clinical trial practitioners. …”
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    Risk-proportionate clinical trial monitoring: an example approach from a non-commercial trials unit
  4. 2564
    “…Road mortality is thought to be a leading cause of turtle population decline. However, empirical evidence of the direct negative effects of road mortality on turtle population abundance is lacking. …”
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    Do Roads Reduce Painted Turtle (Chrysemys picta) Populations?
  5. 2565
    por Gálvez, Dumas, Chapuisat, Michel
    Publicado 2014
    “…Growing empirical evidence indicates that invertebrates become more resistant to a pathogen following initial exposure to a nonlethal dose; yet the generality, mechanisms, and adaptive value of such immune priming are still under debate. …”
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    Immune priming and pathogen resistance in ant queens
  6. 2566
    “…We develop an agent-based model of strategic link formation in Research and Development (R&D) networks. Empirical evidence has shown that the growth of these networks is driven by mechanisms which are both endogenous to the system (that is, depending on existing alliances patterns) and exogenous (that is, driven by an exploratory search for newcomer firms). …”
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    The role of endogenous and exogenous mechanisms in the formation of R&D networks
  7. 2567
    “…Our study provides a theoretical framework for analyzing multidimensional bursts as the most general burst category, that includes one-dimensional bursts as the simplest case, and offers empirical evidence of their nature by following the combined phone call/text message communication patterns of approximately one million people over three-month period. …”
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    Multidimensional Human Dynamics in Mobile Phone Communications
  8. 2568
    por Dai, Jifang, Zhao, Lianyi, Liang, Yuan
    Publicado 2013
    “…The aim of the current study is to provide empirical evidence about policy implementation of MMT and HIV infection control, as well as recommendations for improvement of MMT in the future. …”
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    Policy implementation of methadone maintenance treatment and HIV infection: evidence from Hubei province, China
  9. 2569
    por Tapia, Evelina, Beck, Diane M.
    Publicado 2014
    “…Specifically, both methods have been proposed to affect feedforward as well as feedback signals when applied at distinct time windows relative to stimulus onset and as a result modify visual awareness. Most recent empirical evidence, moreover, suggests that while visual masking and TMS impact stimulus visibility comparably, the processes these methods affect may not be as similar as previously thought. …”
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    Probing feedforward and feedback contributions to awareness with visual masking and transcranial magnetic stimulation
  10. 2570
    por Huffaker, Ray, Bittelli, Marco
    Publicado 2015
    “…In the first study of its kind, we test a nonlinear dynamics approach in an application to Sugarland Wind—the first utility-scale wind project proposed in Florida, USA. We find empirical evidence of a low-dimensional and nonlinear wind-speed attractor characterized by strong temporal patterns that match up well with regular daily and seasonal electricity demand patterns.…”
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    A Nonlinear Dynamics Approach for Incorporating Wind-Speed Patterns into Wind-Power Project Evaluation
  11. 2571
    “…The ICD shock has been largely blamed as the main offender but empirical evidence is not consistent, perhaps because of methodological differences across studies. …”
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    Psychological effects of implantable cardioverter defibrillator shocks. A review of study methods
  12. 2572
    “…Annual forest loss in the Brazilian Amazon had in 2012 declined to less than 5,000 sqkm, from over 27,000 in 2004. Mounting empirical evidence suggests that changes in Brazilian law enforcement strategy and the related governance system may account for a large share of the overall success in curbing deforestation rates. …”
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    Mixing Carrots and Sticks to Conserve Forests in the Brazilian Amazon: A Spatial Probabilistic Modeling Approach
  13. 2573
    “…Another large proportion of divergent regions (38–75%) appears to be mainly shaped by hitchhiking effects around positively selected variants. We provide empirical evidence that alternative mechanisms determining the evolution of genomic patterns of divergence are not mutually exclusive, but rather act in concert to shape the genome during population differentiation, a first necessary step towards ecological speciation.…”
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    Genomics of Divergence along a Continuum of Parapatric Population Differentiation
  14. 2574
    “…CONCLUSIONS: This study has provided empirical evidence on the associations of illness/medical expenditure with demographics and with other categories of expenditures. …”
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    Illness and medical and other expenditures: observations from western and eastern China
  15. 2575
    “…While no single explanation has yet emerged concerning the role of the cerebellum in perceptual processes, this consensus paper summarizes the impressive empirical evidence on this problem and highlights diversities as well as commonalities between existing hypotheses. …”
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    Consensus Paper: The Role of the Cerebellum in Perceptual Processes
  16. 2576
    “…Empirical evidence indicates that people are inequity averse. …”
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    Neural correlates of decision making after unfair treatment
  17. 2577
    “…Therefore, we hypothesize that any factors mitigating stress in the introduced range may promote exotic invaders to evolve increased adaptive plasticity by reducing the costs and increasing the benefits of plasticity. Empirical evidence is largely consistent with this hypothesis. …”
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    Stress relief may promote the evolution of greater phenotypic plasticity in exotic invasive species: a hypothesis
  18. 2578
    “…The results provide consistent and significant empirical evidence for the relationships hypothesized, incorporating variables that are part of and influence the teaching–learning process in Higher Education. …”
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    The role of personal self-regulation and regulatory teaching to predict motivational-affective variables, achievement, and satisfaction: a structural model
  19. 2579
    “…CONCLUSION: We provide empirical evidence of spatial clustering of human CCHF cases in the country. …”
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    Spatial cluster analysis of human cases of Crimean Congo hemorrhagic fever reported in Pakistan
  20. 2580
    “…Completion time on TMT-A is considered to provide a measure of processing speed, whereas completion time on TMT-B is considered to constitute a behavioral measure of the ability to shift between cognitive sets (cognitive flexibility), commonly attributed to the frontal lobes. However, empirical evidence linking performance on the TMT-B to localized frontal lesions is mostly lacking. …”
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    Errors on the Trail Making Test Are Associated with Right Hemispheric Frontal Lobe Damage in Stroke Patients
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