Search Results - Ambient Science Vol. 8, No. 2 ( 2021-04)

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  1. 1
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    In:
    Advanced Science, Wiley, Vol. 8, No. 7 ( 2021-04)
    Abstract:
    Electrochemical nitrate reduction (NITRR) offers a promising alternative toward nitrogen recycling and ammonia production under ambient conditions, for which highly active and selective electrocatalyst is desired. In this study, metallic cobalt nanoarrays as facilely prepared from the electrochemical reduction of Co(OH) 2 nanoarrays (NAs) are demonstrated to exhibit unprecedented NH 3 producing capability from catalyzing NITRR. Benefitting from the high intrinsic activity of Co 0 , intimate contact between active species and conductive substrate and the nanostructure which exposes large number of active sites, the Co‐NAs electrode exhibits current density of −2.2 A cm −2 and NH 3 production rate of 10.4 mmol h −1 cm −2 at −0.24 V versus RHE under alkaline condition and significantly surpasses reported counterparts. Moreover, the close‐to‐unity (≥96%) Faradaic efficiency (FE) toward NH 3 is achieved over wide application range (potential, NO 3 − concentration and pH). Density function theory calculation reveals the optimized adsorption energy of NITRR intermediates on Co surface over Co(OH) 2 . Furthermore, it is proposed that despite the sluggish kinetics of Volmer step (H 2 O → *H + *OH) which provides protons in conventional hydrogenation mechanism, the proton‐supplying water dissociation process on Co surface is drastically facilitated following a concerted water dissociation–hydrogenation pathway.
    Type of Medium:
    Online Resource
    ISSN:
    2198-3844
    URL:
    DOI:
    Language:
    English
    Publisher:
    Wiley
    Publication Date:
    2021
    detail.hit.zdb_id:
    2808093-2
    Crossref
  2. 2
    Staff View Links
    In:
    Advanced Science, Wiley, Vol. 8, No. 7 ( 2021-04)
    Abstract:
    The direct synthesis of inherently defect‐free, large‐area graphene on flexible substrates is a key technology for soft electronic devices. In the present work, in situ plasma‐assisted thermal chemical vapor deposition is implemented in order to synthesize 4 in. diameter high‐quality graphene directly on 10 nm thick Ti‐buffered substrates at 100 °C. The in situ synthesized monolayer graphene displays outstanding stretching properties coupled with low sheet resistance. Further improved mechanical and electronic performances are achieved by the in situ multi‐stacking of graphene. The four‐layered graphene multi‐stack is shown to display an ultralow resistance of ≈6 Ω sq −1 , which is consistently maintained during the harsh repeat stretching tests and is assisted by self‐ p ‐doping under ambient conditions. Graphene‐field effect transistors fabricated on polydimethylsiloxane substrates reveal an unprecedented hole mobility of ≈21 000 cm 2 V −1 s −1 at a gate voltage of −4 V, irrespective of the channel length, which is consistently maintained during the repeat stretching test of 5000 cycles at 140% parallel strain.
    Type of Medium:
    Online Resource
    ISSN:
    2198-3844
    URL:
    DOI:
    Language:
    English
    Publisher:
    Wiley
    Publication Date:
    2021
    detail.hit.zdb_id:
    2808093-2
    Crossref
  3. 3
    Staff View Links
    In:
    Advanced Science, Wiley, Vol. 8, No. 7 ( 2021-04)
    Abstract:
    Interfacial solar steam generation is a highly efficient and sustainable technology for clean water production and wastewater treatment. Although great progress has been achieved in improving evaporation rate and energy efficiency, it's still challenging to fully eliminate the energy loss to the surrounding environment during solar steam generation. To achieve this, a novel heatsink‐like evaporator (HSE) is developed herein. During solar evaporation, the temperature on the top solar evaporation surface can be regulated by the fin structures of the HSE. For the evaporators with 5 to 7 heatsink fins, the temperature of the solar evaporation surface is decreased to be lower than the ambient temperature, which fully eliminates the radiation, convection, and conduction heat losses, leading to the absolute cold evaporation over the entire evaporator under 1.0 sun irradiation. As a result, massive energy (4.26 W), which is over 170% of the received light energy, is harvested from the environment due to the temperature deficit, significantly enhancing the energy efficiency of solar steam generation. An extremely high evaporation rate of 4.10 kg m −2 h −1 is realized with a 6‐fin photothermal HSE, corresponding to an energy conversion efficiency far beyond the theoretical limit, assuming 100% light‐to‐vapor energy conversion.
    Type of Medium:
    Online Resource
    ISSN:
    2198-3844
    URL:
    DOI:
    Language:
    English
    Publisher:
    Wiley
    Publication Date:
    2021
    detail.hit.zdb_id:
    2808093-2
    Crossref
  4. 4
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Tasks Scheduling Using Dynamic Cluster-Based Hierarchical Real-Time Scheduler for Autonomous Car
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  5. 5
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Change of Direction Run Tests: an Issue for Soccer Technical Skills
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  6. 6
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Lichen Diversity on Shorea robusta Gaertn. in the Transitional Zone of Similipal Biosphere Reserve
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  7. 7
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Performance Analysis of PVT Based Hybrid Type Solar Dryer for Drying Food Products
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  8. 8
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Smart Shift from Photovoltaic to Agrivoltaic System for Land-Use Footprint
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  9. 9
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Study of Antibacterial Activity of Different Organic Solvent Extract from Three Mango Cultivar Kernel on Staphylococcus aureus
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  10. 10
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Aftermath of Lockdown Throughout COVID- 19 Pandemic on Air Quality of Jaipur Vs Some Other Cities
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  11. 11
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Spirituality as a Predictor of Compassion in Indian Youth: Direct and Indirect Effects Via Humility
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  12. 12
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    A Bibliometric Overview of the International Journal of “Ophthalmology” from 1999-2018
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  13. 13
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Diversity and Distribution of Aquatic Plants in Khordha, Odisha, India
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  14. 14
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    The Origins of Human Migration: an Environmental Consequences
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  15. 15
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Virtual Exercisers and Simulators as a Part of an Online Education
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  16. 16
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Measuring the Expectations of Oil Wrestlers with Regards to Oil Wrestling Organizations
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  17. 17
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    The Effect of Combined Training on Rowing Ergometer Performance in Rowers
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  18. 18
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Methodological Aspects of the Formation of the Innovative Development Model of Agriculture
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  19. 19
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Multi-Channel Ultraviolet Communication System and Environmental Concerns
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref
  20. 20
    Staff View Links
    In:
    Ambient Science, Marwah Infotech, Vol. 8, No. 2 ( 2021-04)
    Type of Medium:
    Online Resource
    ISSN:
    2348-5191, 2348-8980
    Uniform Title:
    Analysis of Stepped Basin V Type Solar Still with Different Water Depthand External Boosting Mirrors
    URL:
    DOI:
    Language:
    Undetermined
    Publisher:
    Marwah Infotech
    Publication Date:
    2021
    detail.hit.zdb_id:
    2807643-6
    Crossref