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중국 고등학교 운동선수의 운동스트레스와 정서조절 및 중도탈락의도의 관계
곽설영(Guo, Xue-Ying),이지항(Lee, Ji-Hang),이재무(Lee, Jae-Moo) 한국체육과학회 2020 한국체육과학회지 Vol.29 No.1
The purpose of this study was to identify the relationships of sport related stress, emotional regulation, and drop-out intention among Chinese highschool athletes. Three hundred thirty responses were collected from the highschool athletes in Sand-Dong province, China. After the initial; screening process, responses from 318 participants were used for further analyses including the descriptive, confirmatory factor, and reliability analyses. Then, structural equation modelling was performed. The results showed that, first, instruction and practice related stress factors (sport related stress) positively influenced suppression factor (emotional regulation) while privacy dissatisfaction factor negatively influenced cognitive re-evaluation factor. Next, cognitive re-evaluation factor showed significant influence (positive) on the drop-out intentions of student, parents, and school-board. Finally, instruction and practice related stress positively influenced drop-out intention of school-board. The results from this study emphasize the importance of the management of sport related stress that can eventually influence the drop-out of highschool athletes.
고등학생들이 지각하는 자신감, 재미, 협동심의 잠재프로파일 집단이 신체활동과 좌식행동 참여에 미치는 영향력 검증
곽설영(Guo, Xue-Ying),이지항(Lee, Ji-Hang),박생렬(Park, Saeng-Ryeol) 한국사회체육학회 2017 한국사회체육학회지 Vol.0 No.70
This study sets out to investigate the relations of confidence enjoyment and cooperation and their impacts on physical activity and sedentary behavior using latent profile analysis. The participants (n= 491, age= 16.71, SD= 1.31) in this study were recruited from a high school in Shandong, China. Data were collected using questionnaires. Results showed that participants were grouped in three classes: high group (Class 3), moderate group (Class 2) and low group (Class 1). Participants from high group had high levels of confidence, enjoyment and cooperation than those from moderate and low groups. Group comparison tests revealed that students from high and moderate group engaged in more levels of physical activity than those from moderate group. The results of this study indicate the importance of experiencing confidence, enjoyment and cooperation relating to more levels of physical activity engagement in high school students.
Detection of Cucumber Powdery Mildew Based on Spectral and Image Information
Xu Ji Tong,Zhang Zhe,Guo Yu Hang,Liu Yufeng,Ning Xiao Feng 한국농업기계학회 2023 바이오시스템공학 Vol.48 No.2
Purpose The aim of this study was to fi nd the optimal detection method for cucumber powdery mildew and improve the identifi cation effi ciency. Methods Image segmentation technology was used to extract spot images and grade classifi cation of powdery mildew. The relationship between powdery mildew spot and spectral refl ectance and intensity was studied. The powdery mildew detection model was established by using qualitative analysis and quantitative prediction methods combined with greenness ( a* ) indices of cucumber leaves. Results There were strong positive correlations between greenness and spectrum in some characteristic bands. Through the extraction of disease spot images and disease classifi cation, it was found that the higher the disease grade of leaves was, the higher the spectral refl ectivity and fl uorescence intensity. In the quantitative prediction model, the R 2 of the NIR spectrum was improved (0.8742) after MSC and SPA, and the eff ect of the fl uorescence spectrum model was not ideal. In the qualitative discriminant model, KNN and ensemble subspace discriminant were obtained for two kinds of spectra, and the identifi cation accuracy of the qualitative model was 97.5% after verifi cation. Conclusion An NIR spectral model can be used for the quantitative prediction of cucumber powdery mildew. The qualitative discriminant model had high accuracy for cucumber powdery mildew.
Effects of Schisandrin on Transcriptional Factors in Lipopolysaccharide- Pretreated Macrophages
Lian Yu Guo,Tran Manh Hung,배기환,김영식,Sehyun Jang,신은명,Ji Won Chung,강삼식,김현표 대한약학회 2009 Archives of Pharmacal Research Vol.32 No.3
Schisandrin is the main active ingredient isolated from Schisandra chinensis Baill. Recent studies have demonstrated that schisandrin exhibits anti-inflammatory effects in vivo and in vitro. In this study, we examined whether the order of lipopolysaccharide (LPS) treatment affects the mechanism of schisandrin anti-inflammatory activity. We found that the antiinflammatory mechanisms are not the same depending on whether macrophages were treated with schisandrin before or after LPS. The main difference is that inhibitor kappaBα (IκBα) degradation was not inhibited when macrophages were pretreated by LPS before schisandrin and was weakly inhibited when macrophages were pretreated by schisandrin before LPS.
Zhou, Qin,Shen, Ji-Chuan,Liu, Ying-Zhi,Lin, Guo-Zhen,Dong, Hang,Li, Ke Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.14
Objective: This study aimed to determine effects of doctor-patient communication on the quality of life among breast cancer survivors in 16 communities in southern China. Methods: Multistage random sampling was to use to recruit 260 females from the Guangzhou Cancer Registry Database who were diagnosed with breast cancer. A questionnaire provided data on the doctor-patient communication (including the doctor's attitude, the patient's participation with the medical decision and information about the disease) and QOL (quality of life), as measured using FACT-B. Univariate analysis, non-conditional logistic regression was used to evaluate the associations between the doctor-patient communication and QOL. Results: Females who received good attitudes from doctors demonstrated higher FACT-B (OR=4.65, 95% CI: 1.68-12.86), social well-being (OR=5.88, 95% CI: 2.16-16.05), emotional well-being (OR=4.77, 95% CI: 1.92-11.88), and functional well-being ((OR=5.26, 95% CI: 1.90-14.52) compared to the females who encountered worse attitudes from their doctor, adjusting for age, education, marriage, employment, family income, years since diagnosis, TNM stage, radiation therapy, chemotherapy and side effects, particularly when the TNM stage was 0-II and the patients exhibited no side effects. Regardless of the length of time after diagnosis, doctors' good attitudes resulted in higher QOL scores. Conclusions: This study demonstrated that the doctor-patient communication has a significant association with the QOL of breast cancer survivors, mainly dependent on the doctors' attitude. Effective intervention is required to develop optimal doctor-patient communication.
Song Lei,Qiu Xiaoming,Zhang Cun,Zhou Hang,Guo Wenmin,Ye Yu,Wang Rujia,Xiong Hui,Zhang Ji,Tang Dongfang,Zou Liwei,Wang Longsheng,Yu Yongqiang,Guo Tingting 대한영상의학회 2024 Korean Journal of Radiology Vol.25 No.2
Objective: This study aimed to determine the predictive performance of non-contrast CT (NCCT) signs for hemorrhagic growth after intracerebral hemorrhage (ICH) when stratified by onset-to-imaging time (OIT). Materials and Methods: 1488 supratentorial ICH within 6 h of onset were consecutively recruited from six centers between January 2018 and August 2022. NCCT signs were classified according to density (hypodensities, swirl sign, black hole sign, blend sign, fluid level, and heterogeneous density) and shape (island sign, satellite sign, and irregular shape) features. Multivariable logistic regression was used to evaluate the association between NCCT signs and three types of hemorrhagic growth: hematoma expansion (HE), intraventricular hemorrhage growth (IVHG), and revised HE (RHE). The performance of the NCCT signs was evaluated using the positive predictive value (PPV) stratified by OIT. Results: Multivariable analysis showed that hypodensities were an independent predictor of HE (adjusted odds ratio [95% confidence interval] of 7.99 [4.87–13.40]), IVHG (3.64 [2.15–6.24]), and RHE (7.90 [4.93–12.90]). Similarly, OIT (for a 1-h increase) was an independent inverse predictor of HE (0.59 [0.52–0.66]), IVHG (0.72 [0.64–0.81]), and RHE (0.61 [0.54– 0.67]). Blend and island signs were independently associated with HE and RHE (10.60 [7.36–15.30] and 10.10 [7.10–14.60], respectively, for the blend sign and 2.75 [1.64–4.67] and 2.62 [1.60–4.30], respectively, for the island sign). Hypodensities demonstrated low PPVs of 0.41 (110/269) or lower for IVHG when stratified by OIT. When OIT was ≤ 2 h, the PPVs of hypodensities, blend sign, and island sign for RHE were 0.80 (215/269), 0.90 (142/157), and 0.83 (103/124), respectively. Conclusion: Hypodensities, blend sign, and island sign were the best NCCT predictors of RHE when OIT was ≤ 2 h. NCCT signs may assist in earlier recognition of the risk of hemorrhagic growth and guide early intervention to prevent neurological deterioration resulting from hemorrhagic growth.
Tien, Shiaw-Wen,Chung, Yi-Chan,Tsai, Chihj-Hung,Hwang, Guo-Ji The Korean Society for Quality Management 2005 The Asian Journal on Quality Vol.6 No.1
The objective of this study is to evaluate the equipment risk before and after SEMI S2-93A implementation, thus providing a guideline for safety improvement. Semiconductor Plant A located in Taiwan's Hsinchu Science Based Industrial Park with 147 manufacturing machines was used for risk assessment. This study was carried out in three steps. First, a preliminary hazard analysis was conducted. A detailed process safety evaluation was conducted (Hazard and Operability Study, HAZOP); and finally, the equipment risk comparison before and after Semiconductor Equipment Manufacturing Instruction (SEMI S2-93A) implementation. The preliminary hazard analysis results showed high risk in 21.77% of the manufacturing machines under risk assessment at Plant A. The largest percentage existed in the Diffusion Department. The machine types specified by the hazardous work site review and inspection according to Article 26 of Labor Inspection Regulation (the machines that use such chemicals as, $SiH_4$, HF, HCL, etc. and that are determined to be highly hazardous through preliminary hazard analysis) were added to the detailed process analysis and evaluation. In the third part of this evaluation, the machines at Plant A used for detailed process safety assessment were divided into two groups based on the manufacturing data before and after 1993. The severity, possibility, and actual accident analysis before and after SEMI S2-93A implementation were compared. The Semiconductor Equipment Manufacturing Instruction (SEMI S2-93A) implementation can reduce the severity and possibility of hazard occurrence.