가위벌과에 속하는 Coelioxys의미기록 2종 Coelioxys conoidea Illiger, 1806 와 Coelioxys formosicola Strand, 1913을 한국에서 처음으로 보 고한다. 본 종의 기재, 분포정보, 그리고 삽화를 제공한다.

In this paper, first the aging level of Stone Mastic Asphalt (SMA): one of the widely applied asphalt mixture types for highway construction in South Korea, was analysed then those aging effects on various performance characteristics were studied. Then, a suitable methodology for improving performance on real asphalt pavement construction site was recommended. To fulfil the objective, Gel-Permeation Chromatography (GPC) experimental work was performed on various aged SMA mixtures by measuring Large Molecular Size (LMS) then the Absolute Viscosity (AV) value was predicted based on the findings in the previous step. As results, it was found that types of performance change on aged asphalt binders could be estimated by computed Estimated Absolute Viscosity (EAV) values. It also should be mentioned that the performances of tested SMA mixture presented negative trend after aging effect increases; even though the performance deterioration level of SMA is lower than that of regular Dense Grade Asphalt (DGA) mixture, which means proper reactions are recommended to keep its quality. Moreover, better resistance against aging effect was found by applying Hydrated-Lime (HL) or Low Density Poly-Ethylene (LDPE) compared to any other additives on asphalt mixtures. A unique Aging Quantity (AQ) model for SMA mixtures was developed by using two factors: collected aging time data set from field (and/or laboratory) and AV values based on different temperature conditions. The Predicted Absolute Viscosity (PAV) on SMA mixtures was computed by using the introduced AQ model then the aging level of asphalt binder was estimated as a final step. Additionally, five performance characteristics of asphalt binder: Dynamic Shear Rheometer(DSR) high temperature limit, Bending Beam Rheometer (BBR) low temperature limit, G*/sinδ, Creep stiffness, and m-value, were analysed. The value of AV showed the best performance for predicting and representing aging level. Finally, the aging level of given asphalt mixtures in the field can be easily predicted by choosing one of three approaches presented in this research. It can be concluded that the performance of asphalt pavement can be increased by selecting proper materials and performance prediction methodologies introduced in this study. However, only limited number of specimens were considered in this study due to limit of raw materials and laboratory equipment condition. Therefore, extensive experimental works with various types of asphalt materials are recommended for strengthen findings in this thesis as a future research.

This study is a cross-sectional study for conscripts with chronic low back pain, where it is designed to investigate general characteristics that conscripts with chronic low back pain carry, and it is also aimed to analyze the correlation as well as discrepancy within pain, depression and body mass index depending on their ranks. In this study, 90 Korean conscripts with chronic low back pain participated. And in order to analyze general characteristics as well as pain, depression and body mass index of the subjects, this study adopted a survey questionnaire upon general characteristics, and it also employed Visual Analogue Scacle(VAS) and Center for Epidemiological Studies Depression(CES-D) Scale which have proven their credibility, where BMI values for the subjects were calculated based on 'Asian Pacific standard' Body Mass Index(BMI). From the general characteristics exhibited by the subjects through this study, average age and average height of the subjects were 20.78±1.41 and 175.97±5.34 respectively; and corporals displayed the highest ratio of 42% with the chronic low back pain while 40% of the total subjects experienced the duration of the illness less than 6 to 9 months. Moreover, 57.8% of all subjects were reportedly suffering moderate pain, and 48% exhibited depression while 49% carried BMI value between 18.5 and 22.9kg/m2(normal range). Based on the analysis of correlation among pain, depression, discrepancy of BMI depending on the ranks and each independent variable, it appears that there is no significant difference amongst the ranks, and there is no correlation between independent variables; however, it was obvious that all groups divided by the ranks had a moderate pain(45-74mm), depression(≥16) and BMI value in normal range(18.5-22.9).

AUDIT-K(한국형 알코올 중독 간이선별 검사법)을 이용하여 일상적으로 생활하고 있는 상당수의 잠재적인 위험 음주자들을 선별 할 수 있었으며 연령, 종교, 결혼여부, 직업, 소득음주사망 가족력, 음주시작 연령, 흡연, BMI(체질량지수)는 통계적으로 유의한 차이가 없었으며, 학력, 음주기간만 통계적으로 유의하였다. 이러한 결과는 교육을 더 받은 사람의 남성이 알코올 소비가 더 높다고 한 선행연구와 부합하는 결과를 나타내었으며 교육수준 또한 무엇을 어떻게 배웠는가에 따른 차이를 살펴 볼 필요가 있음을 시사하며, 교육에 따른 알코올 소비도 각각 다른 결과를 나타냄을 알 수 있다. 또한 나이가 적을수록 술을 많이 마시면 음주기간이 길어질 것이고 기존의 음주시작 연령에 대한 연구와 일치하는 결과가 나타났다. 본 연구에서는 음주 기간이 알코올 사용 장애의 가장 큰 요인이었으며 음주 기간을 단축하기 위한 방법으로는 음주 시작연령을 최대한 늦출 수 있는 국가 정부 제도의 대책 및 교육이 필요하다고 생각된다.

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