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      • KCI등재

        Hydrothermal Synthesis of PbTiO3 Nanocrystals with a pH-Adjusting Agent of Ammonia Solution

        Xinyi Li,Zhi-Xiong Huang,Lian-Meng Zhang,Dongyun Guo 대한금속·재료학회 2018 ELECTRONIC MATERIALS LETTERS Vol.14 No.5

        The PbTiO3nanocrystals were synthesized by a hydrothermal method, and ammonia solution was firstly used as a pH-adjustingagent. The effect of ammonia concentration on formation and morphologies of PbTiO3nanocrystals was investigated. At low ammonia concentration (0–2.2 mol/L), no perovskite PbTiO3phase was formed. When the ammonia concentrationwas 4.4 mol/L, the rod-like PbTiO3nanocrystals with highly crystalline were successfully synthesized. As the ammoniaconcentration further increased to 13.2 mol/L, the flake-like PbTiO3nanocrystals were formed.

      • KCI등재

        Clinical Study of Acupotomy Treatment for Tarsal Tunnel Syndrome

        Fu Xinyi,Lee Mira,Guo Changqing 대한침구의학회 2020 대한침구의학회지 Vol.37 No.2

        Background: Compared with conventional closed therapy, acupotomy has the advantages of lower cost, convenient application, and better single and long-term effects. The aim of this study was to explore the clinical effect of acupotomy in the treatment of Tarsal Tunnel syndrome.Methods: There were 80 patients enrolled into the study who were randomly assigned to either the acupotomy or closed therapy group, with 40 patients in each group. The acupotomy group was treated once every 6 days, on 3 occasions for the duration of treatment, and the closed therapy group was treated twice a week, for 3 weeks as the course of treatment. The effects of treatment were analyzed and evaluated according to the standard of curative effect.Results: The “cure rate” of the number of patients in the acupotomy group whose symptoms had completely disappeared (13 patient out of 39) was higher than the closed therapy group (1 patient out of 39), and this difference was significant (<i>p</i> < 0.01). The number of patients in the acupotomy group who did not benefit from the therapy (5 patients) was significantly lower than the closed therapy group (15 patients; <i>p</i> < 0.05). The total number of patients in the acupotomy group who benefitted from the therapy (34 patients) resulted in an effective rate of 87.18%, which was higher than the closed therapy group (24 patients; 61.53%). The difference was statistically significant (<i>p</i> < 0.05).<br/>Conclusion: Acupotomy is effective in the treatment of Tarsal Tunnel syndrome, was superior to traditional closed therapy, and is worthy of clinical application.

      • KCI등재

        A Research of Ink and Wash Elements on the 3D Animation Film <Deep Sea>

        Biying Guo,Xinyi Shan,정진헌 한국인터넷방송통신학회 2023 International Journal of Internet, Broadcasting an Vol.15 No.3

        <Deep Sea> is an 3D animated film that stands out for its exceptional special effects and distinctive artistic style. The film employs a multitude of dazzling and vibrant ink particles, creating a strong sense of threedimensionality and weightlessness, while simultaneously portraying a dreamlike and elegant representation of a deep sea ink painting. Furthermore, through the utilization of fragmented stream of consciousness narrative technique, the film establishes a unique artistic effect infused with a Chinese atmosphere. This paper by analyzing the unique particle ink art style and color and stream of consciousness narrative methods in film, this paper discusses the innovative art style generated by traditional ink art style combined with threedimensional technology, and the integration of traditional ink art ideas and artistic conception in animated films.The objective isto cultivate a new ink artstyle and prove the importance of traditional cultural expression in animated films, while providing new perspectives for the future application of traditional art in animation.

      • KCI등재

        Recent Changes in Heavy Precipitation Events in Northern Central China and Associated Atmospheric Circulation

        Tingting Han,Xinyi Guo,Botao Zhou,Xin Hao 한국기상학회 2021 Asia-Pacific Journal of Atmospheric Sciences Vol.57 No.2

        Northern Central China (NC China) is a seriously arid region. Precipitation variations are vital for environmental protection and socio-economical development. This study investigates the recent changes in summer heavy precipitation (HP) events over NC China and associated atmospheric circulation anomalies. Compared with the period of 1986–2002, the HP amount and frequency both significantly increase during 2003–2016, contributing to the shift to increase in total summer precipitation amount. After the early 2000s, the Northwest Pacific subtropical high becomes intensified and shifts westward and northward, leading to significant moisture convergence anomalies over NC China and divergence anomalies over Northwest Pacific. Therefore, the net moisture budget dramatically increases since the early 2000s. Further results show that the strengthened net moisture influx across the southern boundary contributes dominantly to the increased net moisture budget, especially at the lower level. Despite a relatively small magnitude, the intensified westerly current across western boundary makes a dominant contribution at middle and upper layers. Additionally, the strengthened westerly and easterly anomalies occupy northern and southern China, respectively, along with the eastward expansion of westerly jet stream region. Thus, the lower-level convergence and upper-level divergence both intensify, and further trigger enhanced ascending movement. These conditions jointly contribute to the inter-decadal change in HP events over NC China after the early 2000s.

      • KCI등재

        Acupotomy for Lumbar disc herniation

        Chen Xilin,Fu Xinyi,Luo Zhichao,Xin Wenshan,Wang Quangui,Lee Mira,Guo Changqing 대한침구의학회 2020 대한침구의학회지 Vol.37 No.3

        Background: The aim of this study was to examine whether the effects of acupotomy therapy were beneficial for the treatment of protrusion of lumbar intervertebral disc. Methods: The number of patients (n = 80) were equally assigned into treatment group and control group. Treatment group was given acupotomy therapy twice a week, and control group was given acupuncture 3 times a week, for 4 weeks. The beneficial effect and changes in score of the Japan Orthopedic Association (JOA) for low back pain were observed. Results: Among 40 cases in the treatment group, there were 25 (62.5%) with an excellent effect, 13 (32.5%) with good effect, 1 (2.5%) with a medium effect and 1 (2.5%) with poor effect, with the total experiencing an excellent/good effect of 95.0%. Among 40 cases in the control group, there were 11 (27.5%) with an excellent effect, 17 (42.5%) with good effect, 10 (25.0%) with a medium effect, and 2 (5.0%) with poor effect, with an excellent/good rate of 70.0%. The result of the rank sum test showed Z = -4.923, p < 0.05 in the comparison, indicating a significantly better outcome following acupotomy compared with acupuncture. JOA scores increased in both groups after treatment (p < 0.05), which was more significant in the acupotomy treatment group (p < 0.05). Conclusion: Acupotomy therapy has a beneficial effect on protrusion of lumbar intervertebral disc.

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