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  • 1
    In: Frontiers in Public Health, Frontiers Media SA, Vol. 10 ( 2022-10-20)
    Abstract: To improve the quality of life of older adult in their later years, by increasing the physical activity participation of older adult, the occurrence of falls accident scores in older adult can be prevented. This paper comprehensively summarizes the origin, development, participation forms, and fitness effects of the Otago exercise program (OEP). Methods Using PubMed, web of science, CNKI, dimensional spectrum, and other databases, search for research papers from 2005 to April 2021 by using keywords such as Otago project exercise; aged, Fall; Cognitive function, Balance ability, Lower limb strength, Fall efficiency, and so on. PEDro Scale was used to check the quality of the literatures. Results A total of 34 papers were included after searching for kinds of literature related to the subject of this paper and after careful review by researchers. Conclusions Otago exercise programme is beneficial to improve the cognitive function of older adult, enhance their lower limb muscle strength and dynamic and static balance ability, and then improve the gait stability and posture control ability of older adult, which has significant positive benefits for the prevention of falls in older adult. OEP is helpful to improve the falling efficiency of older adult, help older adult overcome the fear of falling, and form a positive emotion of “exercise improves exercise,” to reduce the harm caused by sedentary behavior and the incidence of depression and improve their subjective wellbeing. Although OEP has significant positive effects on improving the health and physical fitness of older adult, preventing falls, and restoring clinical function, the corresponding neural mechanism for preventing falls is not very clear. At the same time, how OEP can be combined with emerging technologies to maximize its benefits needs to be further discussed in the future.
    Type of Medium: Online Resource
    ISSN: 2296-2565
    Language: Unknown
    Publisher: Frontiers Media SA
    Publication Date: 2022
    detail.hit.zdb_id: 2711781-9
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  • 2
    Online Resource
    Online Resource
    Wiley ; 2012
    In:  Starch - Stärke Vol. 64, No. 8 ( 2012-08), p. 581-589
    In: Starch - Stärke, Wiley, Vol. 64, No. 8 ( 2012-08), p. 581-589
    Abstract: The chemical composition, morphological characteristics, and pasting properties of Cyperus esculentus starch (CES) grown in Xinjiang, China, were investigated and compared with those of potato starch (PS). The amylopectin (AP) content in CES was measured as of 83.82%. Most of the starch granules of Cyperus esculentus (CE) were round or elliptical while the granule diameter ranged from 3.41 to 12.12 µm with an average value of 8.60 µm, and had a typical polarization cross. The X‐ray diffraction (XRD) data showed that CES was of A‐type crystals. The peak viscosity value of CES paste was much lower than that of PS, and the freeze–thaw stability of CES paste was slightly higher than that of PS, but its light transmittance was lower.
    Type of Medium: Online Resource
    ISSN: 0038-9056 , 1521-379X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2012
    detail.hit.zdb_id: 1481133-9
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  • 3
    Online Resource
    Online Resource
    MDPI AG ; 2020
    In:  Energies Vol. 13, No. 9 ( 2020-05-09), p. 2364-
    In: Energies, MDPI AG, Vol. 13, No. 9 ( 2020-05-09), p. 2364-
    Abstract: This paper introduces a new point-absorber wave energy converter (WEC) with a moonpool buoy—the moonpool platform wave energy converter (MPWEC). The MPWEC structure includes a cylinder buoy and a moonpool buoy and a Power Take-off (PTO) system, where the relative movement between the cylindrical buoy and the moonpool buoy is exploited by the PTO system to generate energy. A 1:10 scale model was physically tested to validate the numerical model and further prove the feasibility of the proposed system. The motion responses of and the power absorbed by the MPWEC studied in the wave tank experiments were also numerically analyzed, with a potential approach in the frequency domain, and a computational fluid dynamics (CFD) code in the time domain. The good agreement between the experimental and the numerical results showed that the present numerical model is accurate enough, and therefore considering only the heave degree of freedom is acceptable to estimate the motion responses and power absorption. The study shows that the MPWEC optimum power extractions is realized over a range of wave frequencies between 1.7 and 2.5 rad/s.
    Type of Medium: Online Resource
    ISSN: 1996-1073
    Language: English
    Publisher: MDPI AG
    Publication Date: 2020
    detail.hit.zdb_id: 2437446-5
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  • 4
    Online Resource
    Online Resource
    Institute of Electrical and Electronics Engineers (IEEE) ; 2023
    In:  IEEE Transactions on Robotics Vol. 39, No. 5 ( 2023-10), p. 3929-3945
    In: IEEE Transactions on Robotics, Institute of Electrical and Electronics Engineers (IEEE), Vol. 39, No. 5 ( 2023-10), p. 3929-3945
    Type of Medium: Online Resource
    ISSN: 1552-3098 , 1941-0468
    RVK:
    Language: Unknown
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Publication Date: 2023
    detail.hit.zdb_id: 1473038-8
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  • 5
    Online Resource
    Online Resource
    Wiley ; 2023
    In:  Scandinavian Journal of Medicine & Science in Sports Vol. 33, No. 1 ( 2023-01), p. 84-98
    In: Scandinavian Journal of Medicine & Science in Sports, Wiley, Vol. 33, No. 1 ( 2023-01), p. 84-98
    Abstract: To understand the mechanism of dual activation of the brain and heart in pistol athletes during shooting performances, through synchronized monitoring of electroencephalogram (EEG) and electrocardiogram (ECG). Methods Eighteen adolescents air pistol athletes were placed in a simulated competition environment and performed 40 self‐paced shooting tasks, and simultaneously monitored the athletes' EEG, ECG, and shooting performance during the preparation period. Results (1) In the successful performance, the power values of the alpha wave of the athlete's T7 area showed a significant upward trend 6 s before the shot, but there was no significant change in the alpha wave in the T8 area. In the failure performance, the alpha wave in the T7 and T8 areas did not change significantly 6 s before the shot. (2) The Fz theta wave power value of athletes in successful performance showed a significant upward trend in the 6 s before firing, and in the failure performance, it showed an “inverted U‐shaped” characteristic of rising first and then decreasing. (3) Regardless of whether it was a success or a failure, the SMR wave power value of the athlete's central area has no significant change before the shot. (4) At 6 s before the shot, the athlete's heart rate and R‐R interval (RRI) in the successful performance showed a significant decline and rise, respectively, but there was no significant change in the failure performance. (5) Approaching the firing time, the athletes' EEG and ECG have a more significant correlation in successful performance and a more synchronized trend, while the correlation was lower in failure performance. Conclusions The psychophysiological state of young air pistol athletes was closely related to shooting performance. If the brain–cardiac system maintains a benign dual activation level during the aiming and firing period, it will be beneficial to the improvement of shooting performance, otherwise, it was easy to reduce shooting performance.
    Type of Medium: Online Resource
    ISSN: 0905-7188 , 1600-0838
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2025503-2
    SSG: 31
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  • 6
    Online Resource
    Online Resource
    MDPI AG ; 2021
    In:  Applied Sciences Vol. 11, No. 7 ( 2021-03-30), p. 3076-
    In: Applied Sciences, MDPI AG, Vol. 11, No. 7 ( 2021-03-30), p. 3076-
    Abstract: It is rather challenging to collect ocean wave energy at high efficiency because of its ultra-low frequencies and variable amplitudes. Triboelectric Nanogenerator (TENG) technology is more suitable for harvesting low-frequency than electromagnetic power generation technology. In this work, we designed a built-in cylindrical Triboelectric Nanogenerator (C-TENG) installed inside the ocean buoy (BUOY-41). The hydrodynamic properties of the C-TENG are consistent with the ocean buoy, which are calculated by CFD software (Star-CCM+). The Energy Capture Properties of the C-TENG are established by the finite element software (COMSOL). The C-TENG has high power density (30 mW/m2) and can meet the power demand of the ocean buoy (10 mW). The implementation of the present work is of great academic value and practical significance for the development of efficient marine renewable energy conversion technology, enhancement of marine equipment energy replenishment, enrichment of hydrodynamic theories and revealing of the complex mechanisms.
    Type of Medium: Online Resource
    ISSN: 2076-3417
    Language: English
    Publisher: MDPI AG
    Publication Date: 2021
    detail.hit.zdb_id: 2704225-X
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  • 7
    Online Resource
    Online Resource
    Elsevier BV ; 2023
    In:  International Journal of Plasticity Vol. 170 ( 2023-11), p. 103743-
    In: International Journal of Plasticity, Elsevier BV, Vol. 170 ( 2023-11), p. 103743-
    Type of Medium: Online Resource
    ISSN: 0749-6419
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2023
    detail.hit.zdb_id: 2012499-5
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  • 8
    In: Mental Health and Physical Activity, Elsevier BV, ( 2024-6), p. 100613-
    Type of Medium: Online Resource
    ISSN: 1755-2966
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2024
    detail.hit.zdb_id: 2476860-1
    SSG: 5,2
    SSG: 31
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