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당뇨병 환자에서 우울 및 불안증상과 자아탄력성, 사회적 갈등 및 지지 사이의 연관성
정회운,김상훈,박상학,김승곤,김정호,서은현,윤형준,Jung, Hoe-Woon,Kim, Sang Hoon,Park, Sang Hag,Kim, Seung-Gon,Kim, Jung Ho,Seo, Eun Hyun,Yoon, Hyung-Jun 대한불안의학회 2020 대한불안의학회지 Vol.16 No.1
Objective : The purpose of this study was to investigate the association of depressive/anxiety symptoms with psychosocial factors including ego resilience, social conflict, and social support as well as hemoglobin A1c in patients with diabetes mellitus (DM). Methods : The subjects were 144 patients with DM. Depressive/anxiety symptoms were evaluated by the Hospital Anxiety and Depression Scale. Sociodemographic factors, hemoglobin A1c, ego resilience, social conflict, and social support were measured. Multiple regression analyses were performed to examine the impact of hemoglobin A1c, ego resilience, social conflict, and social support on depressive/anxiety symptoms. Results : A total of 32.6% and 24.3% of participants were identified with depressive and anxiety symptoms, respectively. Depressive/anxiety symptoms positively correlated with the social conflict score. Conversely, ego resilience and social support negatively correlated with depressive/anxiety symptoms. In the final model of the multiple regression analyses, ego resilience was associated with a lower level of depressive (β=-0.083, p=0.019)/anxiety (β=-0.125, p=0.001) symptoms whereas social conflict was related to a higher level of depressive (β=0.353, p=0.011)/anxiety (β=0.460, p=0.003) symptoms. Also, hemoglobin A1c positively associated with anxiety symptoms (β=0.495, p=0.012) whereas social support negatively related to depressive symptoms (β=-0.464, p=0.004). Conclusion : We found possible risk and protective psychosocial factors of underlying depressive/anxiety symptoms among patients with DM. Our findings suggest that enhancing ego resilience and social support as well as decreasing social conflict would be crucial in the prevention and management of depressive/anxiety symptoms in patients with DM.
건조수축 저감형 유동화제의 Mock-up 실험에 의한 실용성 검토
신재경,정회운,최진만,이성언,오치현,한천구 대한건축학회지회연합회 2005 대한건축학회지회연합회 학술발표대회논문집 Vol.1 No.1
This paper reports the results of Mock-up test for concrete using drying shrinkage reducing superplasticizer(DSRS) in order to evaluate the validity of DSRS. The use of DSRS results in an noticeable improvement in compressive strength compared with other concrete. Drying shrinkage of concrete using DSRS is lower than that of conventional concrete by as much as 17% due to less water content and contribution of expansive additives to expansion of specimens. Drying shrinkage measured by contact gauge has the highest value at the thin section of the mock up member such as near the window. The use of DSRS can reduce drying shrinkage by as much as 15~30% comapared with conventional concrete member.
골프장 잔디에서 클로란트라닐리프롤의 등얼룩풍뎅이에 대한 살충활성과 검거세미밤나방에 대한 약효 지속성
신종창(Chong Chang Shin),권오경(Oh-Gyeong Kwon),김정회(Joung Hoi Kim),김종경(Jong Kyung Kim),이동운(DongWoon Lee) 한국잡초학회·한국잔디학회 2020 Weed & Turfgrass Science Vol.9 No.3
클로란트라닐리프롤은 새로운 작용기를 가지는 디아마이드계 농약으로 나비목을 비롯한 다양한 해충에 적용되고 있다. 잔디 해충 방제제로도 등록되어 있는 클로란트라닐리프롤의 골프장에서 효율적인 적용을 위한 기초자료를 얻기 위하여 등얼룩풍뎅이에 대한 약효를 한지형 잔디와 난지형 잔디로 구분하여 조사하였고, 골프장 잔디에서 가장 문제시되는 나방류 해충의 하나인 검거세미밤나방에 대한 약효 지속성을 조사하였다. 온실 시험에서 클로란트라닐리프롤은 들잔디와 벤트그래스 초종간에 약효 차이가 없었으며 2,000배(추가 관수 후 최종 희석 배수 10,000배 처리) 처리 시 온실과 야외시험 모두 90%이상의 보정사충률을 보였다. 검거세미밤나방 피해 식흔 증가율을 이용하여 약효의 지속성을 조사한 결과 클로란트라닐리프롤 4,000배(추가 관수 후 최종 희석 배수 20,000배 처리) 와 8,000배(추가 관수 후 최종 희석배수 40,000배 처리) 처리 모두에서 42일 후까지 약효가 지속되었다. 굼벵이류와 나방류가 혼재하여 발생 할 경우 클로란트라닐리프롤 처리로 동시방제가 가능 할 것으로 생각되며 다양한 체계처리 방법에 대한 고려가 필요할 것으로 판단된다. Chloranthraniliprole is a diamide pesticide having a new functional group and is applied to various pests including the Lepidoptera. A study was conducted to obtain basic data for efficient application of chloranthraniliprole, which is also registered as a turfgrass pest control agent, in golf courses. The effect on whitegrub of oriental beetle, Blitopertha orientalis was investigated in bentgrass and zoysiagrass, and the persistence of efficacy against black cutworm, Agrotis ipsilon, which is one of the most problematic moth pests in golf course turf, was investigated. In the greenhouse test, chlorantraniliprole did not show any difference in efficacy between bentgrass and zoysiagrass species, and when treated with 2,000 times (=after additional irrigation treatment, the final dilution is 10,000 times) the amount of chlorantraniliprole showed corrected mortality of 90% or more in both greenhouse and field tests. As a result of investigating the persistence of the efficacy by using the rate of increase in the rate of feeding damage from the black cutworm, the efficacy continued until 42 days after treatment with both 4,000 times (=after additional irrigation treatment, the final dilution is 20,000 times) and 8,000 times (=after additional irrigation treatment, the final dilution is 40,000 times) chlorantraniliprole. In the case of mixed whitegrub and black cutworm, simultaneous control with chlorantraniliprole treatment is possible, and consideration of various systematic treatment methods is considered necessary.