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  • 1
    Language: English
    In: Angewandte Chemie (International ed. in English), 19 March 2018, Vol.57(13), pp.3290-3296
    Description: Photocatalytic reforming of lignocellulosic biomass is an emerging approach to produce renewable H . This process combines photo-oxidation of aqueous biomass with photocatalytic hydrogen evolution at ambient temperature and pressure. Biomass conversion is less energy demanding than water splitting and generates high-purity H without O production. Direct photoreforming of raw, unprocessed biomass has the potential to provide affordable and clean energy from locally sourced materials and waste.
    Keywords: Biomass ; Hydrogen ; Lignocellulose ; Photocatalysis ; Photoreforming
    ISSN: 14337851
    E-ISSN: 1521-3773
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  • 2
    Language: English
    In: Psychiatric Services, 05/2011, Vol.62(5), pp.567-567
    Description: Tools for Transforming Mental Health CareLarry Davidson and Janis Tondora and Martha Staeheli Lawless and Maria J. O'Connell and Michael Rowe; New York, Oxford University Press, 2008, 272 pages, $39.95 By describing and defining the role of recovery principles, Larry Davidson and his colleagues articulate...
    Keywords: Mental Disorders ; Mental Health Care;
    ISSN: 1075-2730
    E-ISSN: 1557-9700
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  • 3
    Language: English
    In: Journal of Applied Psychology, 2011, Vol.96(6), pp.1246-1257
    Description: On the basis of self-regulation theories, the authors develop an affective shift model of work engagement according to which work engagement emerges from the dynamic interplay of positive and negative affect. The affective shift model posits that negative affect is positively related to work engagement if negative affect is followed by positive affect. The authors applied experience sampling methodology to test the model. Data on affective events, mood, and work engagement was collected twice a day over 9 working days among 55 software developers. In support of the affective shift model, negative mood and negative events experienced in the morning of a working day were positively related to work engagement in the afternoon if positive mood in the time interval between morning and afternoon was high. Individual differences in positive affectivity moderated within-person relationships. The authors discuss how work engagement can be fostered through affect regulation.
    Keywords: Work Engagement ; Motivation ; Affect ; Psi Theory ; Affective Events Theory
    ISSN: 0021-9010
    E-ISSN: 1939-1854
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  • 4
    Language: English
    In: Applied Physics Letters, 03 February 2014, Vol.104(5)
    Description: In this Letter, an innovative technique is reported to control the fabrication of free-standing MnO 2 nanotube and nanowire arrays. The synthesis is based on a three-step process, using porous anodic aluminum oxide as a template, and enables the selective fabrication of vertically aligned MnO 2 nanotubes or nanowires on large areas. The as-prepared MnO 2 nanotube and nanowire arrays are investigated as electrode materials for supercapacitor applications and show a good electrochemical performance with specific capacitances of 210 F g −1 at 1.9 A g −1 and 231 F g −1 at 0.5 A g −1 , respectively. The investigation of the rate capability of both structures indicates a superior performance of the nanotube arrays.
    Keywords: Energy Conversion And Storage
    ISSN: 0003-6951
    E-ISSN: 1077-3118
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  • 5
    Language: English
    In: Journal of Organizational Behavior, January 2011, Vol.32(1), pp.125-143
    Description: This study adds to research on the beneficial effects of vacation to employees' well‐being and on the fade‐out of these effects. One hundred and thirty‐one teachers completed questionnaires one time before and three times after vacationing. Results indicated that teachers' work engagement significantly increased and teachers' burnout significantly decreased after vacation. However, these beneficial effects faded out within one month. Applying hierarchical regression analyses, we investigated the fade‐out of vacation effects in detail. In line with the Job Demands‐Resources model, job demands after vacation sped up the fade‐out of beneficial effects. Additionally, leisure time relaxation experiences after vacation delayed the fade‐out of beneficial effects. We conclude that reducing job demands and ensuring leisure time relaxation can prolong relief from vacation. Copyright © 2010 John Wiley & Sons, Ltd.
    Keywords: Emotional Exhaustion ; Recovery ; Teachers ; Vacation ; Work Engagement
    ISSN: 0894-3796
    E-ISSN: 1099-1379
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  • 6
    Language: English
    In: The Journal of the Acoustical Society of America, 2011, Vol.130(4), p.2311
    ISSN: 00014966
    Source: CrossRef
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  • 7
    Language: English
    In: Journal of Power Sources, 01 March 2014, Vol.249, pp.163-171
    Description: In this work, the influence of two common ionic liquid (IL) anions on the anodic stability of Al current collectors was studied. Namely, the Al corrosion/passivation process in -butyl- -methylpyrrolidinium bis(trifluoromethanesulfonyl)imide (PYR TFSI) is compared to the one in -butyl- -methylpyrrolidinium bis(fluorosulfonyl)imide (PYR FSI). It is shown, that Al slowly corrodes in PYR FSI, while it is much better passivated in PYR TFSI, although the ionic liquids were prepared in the same way. Float tests were carried out to illustrate the consequences of these different anodic stabilities of Al on the cycling stability of supercapacitors. Interestingly, when the chloride content of PYR FSI was 〈1 ppm, Al electrodes were also pretty stable in this IL, and a similar cycling stability during float tests than for PYR TFSI could be obtained.
    Keywords: Aluminum ; Corrosion ; Passivation ; Ionic Liquid ; Fsi ; Tfsi ; Edlc ; Engineering
    ISSN: 0378-7753
    E-ISSN: 1873-2755
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  • 8
    Language: English
    In: The Journal of Physical Chemistry C, 03/20/2014, Vol.118(11), pp.5742-5748
    ISSN: 1932-7447
    E-ISSN: 1932-7455
    Source: American Chemical Society (via CrossRef)
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  • 9
    Language: English
    In: Science of the Total Environment, 15 February 2014, Vol.472, pp.347-353
    Description: On behalf of the OECD Working Party on Manufactured Nanomaterials (WPMN) an expert meeting on ecotoxicology and environmental fate of nanomaterials (NMs) took place in January 2013 in Berlin. At this meeting experts from science, industry and regulatory bodies discussed the applicability of OECD test guidelines (TGs) for chemicals to nanomaterials. The objective was to discuss the current state of the relevant science and provide recommendations to the OECD WPMN on (1) the need for updating current OECD TGs and the need for developing new ones specific to nanomaterials; and (2) guidance needed for the appropriate and valid testing of environmental fate and ecotoxicity endpoints for NMs. Experts at the workshop agreed that the majority of the OECD TG for chemicals were generally applicable for the testing of NM, with the exception of TG 105 (water solubility) and 106 (adsorption-desorption). Additionally, the workshop also highlighted considerations when conducting OECD chemical TG on nanomaterials (e.g., sample preparation, dispersion, analysis, dosimetry and characterisation). These considerations will lead to the future development of proposals for new TG and guidance documents (GDs) to ensure that OECD TG give meaningful, repeatable, and accurate results when used for nanomaterials. This report provides a short overview of topics discussed during the meeting and the main outcomes. A more detailed report of the workshop will become available through the OECD, however, due to the urgency of having OECD TG relevant for nanomaterials, this brief report is being shared with the scientific community through this communication.
    Keywords: Engineered Nanomaterial ; Risk Assessment ; OECD Working Party on Manufactured Nanomaterials (Wpmn) ; OECD Test Guideline ; Guidance Document ; Environmental Sciences ; Biology ; Public Health
    ISSN: 0048-9697
    E-ISSN: 1879-1026
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  • 10
    Language: English
    In: Melbourne Historical Journal, 2013, Vol.41(1), p.132(3)
    ISSN: 0076-6232
    Source: Cengage Learning, Inc.
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