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Effects of Artificial Substrate Type, Soil Depth, and Drainage Type on the Growth of Sedum sarmentosum Grown in a Shallow Green Rooftop System (저토심 옥상녹화 시스템에서 돌나물(Sedum sarmentosum)의 생육에 대한 인공배지 종류, 토심, 그리고 배수 형태의 효과)

  • 허근영;김인혜;강호철
    • Journal of the Korean Institute of Landscape Architecture
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    • v.31 no.2
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    • pp.102-112
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    • 2003
  • This study was carried out to research and develop a shallow green rooftop system which would require low maintenance and therefore could be used for existing rooftops. To achieve these goals, the conceptual model was induced by past studies and the experimental systems were deduced from the conceptual model. On the growth of Sedum sarmentosum grown in these rooftop systems, the effects of artificial substrate type, soil depth, and drainage type were investigated from 3 April to 11 October 2002. Artificial substrates were an alone type and a blending type. The alone type was an artificial substrate formulated by blending crushed porous glass with bark(v/v, 6:4). The blending type was formulated by blending the alone type with loam(v/v, 1:1). Soil depths were 5cm, loom, and 15cm. Drainage types were a reservoir-drainage type and a drainage type. The reservoir-drainage type could keep water and drain excessive water at the same time. The drainage type could drain excessive water but could not keep water. Covering area, total fresh and dry weight, visual quality, and water content per 1g dry matter were measured. All the variables were analyzed by correlation analysis and factor analysis. The results of the study are summarized as follows. The growth increment was higher in the blending type than in the alone type, the highest in loom soil depth and higher in the reservoir-drainage type than in the drainage type. The growth quality was higher in the blending type than in the alone type, the highest in l0cm soil depth, and higher in the drainage type than in the reservoir-drainage type. In consideration of the permissible load on the existing rooftops and the effects of the treatments on the growth increment and quality, the system should adopt the blending type in artificial substrate types, 5~10cm in soil depths, and the drainage type in drainage types. This system will be well-suited to the growth of Sedum sarmentosum, and when the artificial substrate was in field capacity, the weight will be 75~115kg/$m^2$.

Cooking Quality and Texture of Japonica-Indica Breeding Type and Japonica Type, Korean Rice (한국산(韓國産) 미곡(米穀), 통일계(統一系)와 일반계(一般系)의 취반특성(炊飯特性) 및 Texture 에 관(關)한 연구(硏究))

  • Lee, B.Y.;Yoon, I.H.;Tetsuya, Iwasaki;Ikuji, Kamoi;Tetsujiro, Obara
    • Korean Journal of Food Science and Technology
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    • v.21 no.5
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    • pp.613-618
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    • 1989
  • Tirteen rice varieties of Japonica-Indica briefing type (J-I breeding type) and ten of Japonica type produced in Korea in 1985 were studied on cooking quality of milled rice and texture of cooked rice. The results are as follows: in the Looking quality, water uptake ratio of cooked rice and total solid in residual liquid showed significant $(p<2.172^*\;and\;2.419^*,\;respectively)$ between J-I breeding type and Japonica type The water uptake ratio of cooked rice was higher J-I breeding type than Japonica type but the total solid and intensity of iodine blue value in residual liquid were lower J-I breeding type than Japonica type. Minimum cooking time of milled rice showed significant $(p<2.375^*)$ between J-I breeding type and Japonica type for texture of cooked rice. The cooking time of J-I breeding type shorter than Japonica type. Hardness and cohesiveness in texture of cooked rice appeared to be significant cant $(p<4.370^{***}\;and\;2.371^*,\;respectively)$ between J-I breeding type and Japonica type, and then hardness was higher Japonica type than J-I breeding type, but cohesiveness was lower Japonica type than J-I breeding type. The correlation coefficients between amylose content and adhesiveness of varieties in the same type was $-0.922^{**}$ in J-I breeding type and $-0.915^**}$ in Japonica type. The correlation coefficients between protein content and hardness of the varieties in the same type was $0.954^{**}$ in Japonica type and so denoted as positive correlation. And the scatter diagram between protein and hardness could be divided into J-I breeding type and Japonica type.

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The Types and Formation of the Pieces for Fastening the Clothing in the Western and Oriental World from 18c to 19c ($18\~19$세기 동$\cdot$서양 의복에 나타난 여밈의 유형과 조형성)

  • Jang Hyun-Joo;Jang Jeong-Ah;Lee Joo-Young
    • Journal of the Korean Society of Costume
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    • v.55 no.4 s.94
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    • pp.49-61
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    • 2005
  • This study is to research the types and formation of the pieces for fastening the clothing in the western and oriental world from 18c to 19c. The pieces for fastening the clothing, depending on their formation, are classified as the ribbon type, the belt type, the button type, and the compound type. The ribbon type indicates fastening the clothing with the strips attached to the clothes. It is divided into the symmetry type and the asymmetry type by the looks of the ribbon alter it is tied. The belt type means fastening the clothing with a string or a belt, separated from the clothes. It is divided into the string type and the belt type. The button type is to fasten the clothing with buttons, button holes, and hooks. It is divided into the basic type, the wrapping type, and the knot type. The compound type is a mixture of two or three types out of the ribbon type, the belt type, and the button type. The pieces for fastening the clothing has aesthetic features as well as their functional characteristics. It has beautiful features like the harmonious beauty of Yin and Yen shown in the asymmetrical types, the beauty of spell wishing for health, long-life, wealth, wisdom, and so on, the beauty of decency showing the intention of refraining from exposing their body in public, the beauty of eroticism emphasizing the beauty of the human body, and the beauty of representing their social class, authority, affiliation, and so on.

Sleep Disturbances and Personality Type Test

  • Park, Hye Sook
    • Journal of Oral Medicine and Pain
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    • v.40 no.3
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    • pp.102-109
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    • 2015
  • Purpose: The purpose of this study was to assess the association between sleep disturbances and personality type. Methods: Five hundred twenty-four college students in Gyeonggi-do completed the Myers-Briggs Type Indicator (MBTI) and a questionnaire and collected data were analyzed by SAS 9.4 program. Results: Extroversion (E) type, sensation (S) type, and perceiving (P) type had significantly higher prevalence of insomnia than introversion (I) type (p<0.05), intuition (N) type (p<0.05), and judging (J) type (p<0.001), respectively. Tooth grinding, snoring and insomnia appeared to occur more frequently in feeling (F) type than in thinking (T) type. Tooth clenching, tooth grinding and snoring seemed to occur more frequently in S type than in N type. Insomnia occurred significantly the most frequently in sensation-feeling (SF) type (p<0.05). Tooth grinding and snoring seemed to occur the most frequently in SF type. A significantly increased percentage of sensation-perceiving (SP) type demonstrated insomnia (p<0.001). Tooth clenching, tooth grinding and snoring seemed to occur the most frequently in sensation-judging (SJ) type. Sensitive or nervous type of personality had significantly higher prevalence of insomnia than relaxed or general type of personality (p<0.01). A significantly increased percentage of subjects with bad general health status showed insomnia (p<0.0001). Tooth clenching and snoring seemed to occur the most frequently in subjects with bad general health status. A significantly decreased percentage of normal weight subjects demonstrated tooth grinding (p<0.05). Snoring occurred significantly the most frequently in overweight subjects (p<0.001). Tooth clenching showed significant correlation with stress (p<0.01) and personality (p<0.05). Snoring showed significant correlation with stress (p<0.05) and body weight (p<0.001). Insomnia showed significant correlation with stress (p<0.0001), personality (p<0.01), and general health status (p<0.0001). Conclusions: Sleep disturbances including tooth clenching and insomnia were associated with personality type and it is desirable to manage them considering personality type.

A Study on Basic Pattern Evaluations Utilizing a Bodice Sloper Size Measurement Tool (원형치수 계산도구에 의한 바디스 원형 평가 연구)

  • Hong, Jiun;Kwon, Sookhee
    • Human Ecology Research
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    • v.54 no.4
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    • pp.427-440
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    • 2016
  • This study uses comparison tests of bodice basic patterns to research improvements in wearing evaluation methods based on differences in bodice basic patterns and body size. As study methods, we calculated body sizes for six types by selecting four types of bodice basic pattern and utilized bodice basic pattern size measurement tools. The study result are as follows. First, as the result of analyzing bodice basic patterns per each part and body size difference by bodice basic pattern size measurement tool, shoulder angle cover rate was J&K type 57.57%~68.41%, N type 53.13%~65.57%, L type 51.87%~63.73%, and H type 59.03%~68.20%. In the item of neck base circumference, it was J&K type 6.4~-16 mm, N type 10.7~-31.9 mm, L type -5.2~-13.4 mm, and H type -6.2~-15.4 mm. In the item of armscye circumference, it was J&K type -18.9~-59.4 mm, N type -15.2~-51.3 mm, L type -38.9~-52.7 mm, and H type -17~-42.2 mm. In the item of biacromion length, it was J&K type 23.2~-4.7 mm, N type 18.4~-10.4 mm, and H type 3.5~-5.7 mm. In the item of interscye back, it was J&K type and N type 17.6~-13.6 mm, L type 11.9~-13.6 mm, and H type 3.2~-11.8 mm. The item of interscye front was found in the sequences of study type and L type. Second, the Kruskal-Wallis test result (according to bodice basic pattern) indicated meaningful differences in items of shoulder angle cover rate, neck point to breast point, bust point-bust point, biacromion length and armscye circumference and H type had an overall higher rank.

Analysis of Dental Plaque Removal Effect by Floss Type Using QLF-D

  • Myoung-Hee Kim;Yu Jin Park;Young Sun Hwang
    • Journal of dental hygiene science
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    • v.22 no.4
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    • pp.199-205
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    • 2022
  • Background: The use of dental floss is associated with a reduction in dental caries and periodontal disease. According to personal preference, not only thread type but also C type and Y type floss are used. Although the effectiveness of dental floss for removing dental plaque has been proven, plaque removal effect of C type and Y type floss has not been well reported. In this study, the plaque removal effect of C type and Y type floss compared to thread type floss was experimentally verified. Methods: Thread type, C type and Y type floss were used to remove dental plaque. Ten people in each flossing group participated, and by applying dental floss to the 6 incisors of the maxilla and mandible, the degree of dental plaque was analyzed by QLF-D. To evaluate the removal degree of dental plaque before and after flossing, Simple Plaque Score (SPS), Area R30, Area R70, and Area R120 score were measured. Results: In the analysis using the Area R30 fluorescence score of the QLF-D system, the degree of plaque removal according to the application of dental floss was effective in all the thread type (p=0.018), C-type (p=0.012), and Y-type (p=0.012) floss groups compared to before the application of the floss. Among them, C type floss was more effective in removing plaque than thread type and Y type floss. However, the plaque removal effect between the three floss types was not significantly different in ∆SPS (p=0.674), ∆Area R30 (p=0.726), ∆Area R70 (p=0.504), and ∆Area R120 scores (p=0.423). Conclusion: Thread type, C type, and Y type floss were all effective in removing dental plaque, but there was no significant difference in dental plaque removal effect according to the type of floss.

A Study on an Characteristic E-commerce type of farm Enterprises (전자상거래형 농업경영체의 특성에 관한 연구)

  • Kwon, Chung-Sub;Jang, Woo-Whan
    • Current Research on Agriculture and Life Sciences
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    • v.29
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    • pp.63-74
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    • 2011
  • The purpose of this study is a classification of farm typology and an analysis of characteristic e-commerce type of farm enterprises. The classification of sample farm enterprises thus results in six distinctively agribusiness type. The six identified types can be characteristic as follows: production type, processing type and distribution type, e-commerce type, export-agricultural type, amenity-tourism type. This article attempted to come up with workable strategies to solve these problems affecting e-commerce type farm enterprises. The main results this paper are as follows: 1) to make organization of e-commerce type farm enterprises to accomplish business goals 2) to find out solution for urgent problems and subjects of farm management 3) to practice profitable business model for e-commerce type. E-commerce type farm enterprises needs are not only technology transference but also farm management.

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Analysis of the Characteristics, Strengths, and Weaknesses of Innovation Diffusion Type in Rural Area (혁신전파 유형별 특징 및 강약점 분석)

  • Choi, Sang-Ho;Lee, Seong-Woo
    • Journal of Agricultural Extension & Community Development
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    • v.16 no.1
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    • pp.201-235
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    • 2009
  • This study analyzed the demographic characteristics, strengths and weaknesses related to information acquisition of local innovation diffusion types. This study use ordered probit model to find strengths and weaknesses of innovation diffusion type in rural area. The individual characteristics of 'formal extension type', 'situational reaction diffusion type', 'agriculturist connection type', and 'systematic approach type', all differentiated according to innovation diffusion type, were analyzed. Following Choi & Choe(2008), immediacy, accessibility, referability, applicability, and satisfaction were the highest in the situational reaction diffusion type, systematic approach type, formal extension type, and farmers connection type, in the order. And there existed organic contexts among individual characteristics. So this study tried to analyze strengths and weaknesses of innovation diffusion type with a focus on immediacy, which emerged as the most important variable in the process of interpreting innovation diffusion. And the strengths and weaknesses of each innovation diffusion type were presented.

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A Study on the Spatial Characteristics of Franchise Beauty Salon in Korea (국내 프랜차이즈 미용실의 공간 특성에 관한 연구-세트부스를 중심으로-)

  • 홍승대;이상호;신은주
    • Korean Institute of Interior Design Journal
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    • no.22
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    • pp.16-22
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    • 2000
  • The purpose of this study is to analyze characteristics of set-booth in beauty salon as well as to suggest the basic design data for franchise beauty salon. The method of this research was based on field observation of the franchise beauty salon in Seoul. The results of this research are as follows. 1) In set-booth type analysis, set-mirror wall type and set-mirror partition type are mainly used, but set-mirror table type is not showed in this research. 2) In terms of scale, wall type and partition type are classified as large scale, wall type and partition type are used as meduim scale. In shop front analysis, the result is shown in two things. If it is type, they used partition type and if it is close type, they used wall type. 3) Set-mirror is consisted of mirror and drawer and it is classified by 4 types with combination method. In a result, most of them used separated mirror type because they want to emphasize the separation between set booth and its layout. 4) Lighting method has 4 types; corniced type, bracket type, pendant type and downlight type. Among them, downlight is showed as the most-used.

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Comparative Analysis of Preparation Time between Rack-type and Reel-type Fire Hoses (호스걸이형 소방호스와 호스릴 소방호스의 전개시간 비교 분석)

  • Hong, Suk-Hwan;Kim, Seo-Young;Kong, Ha-Sung
    • Journal of the Korea Safety Management & Science
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    • v.23 no.4
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    • pp.49-53
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    • 2021
  • The objective of this study was to understand which type of fire hose should be placed in indoor fireplug box upon analyzing the preparation time between rack-type fire hose and reel-type one. With respect to the type of hose, rack-type stacking method was used and hose preparation time was measured with 5 times of repeat test, separating men and women. Study results reveal that preparation time of reel-type fire hose took longer than that of rack-type one in both men and women. For both rack-type hose and reel-type hose, preparation time by two persons took shorter than that by one man. Also, preparation time by three persons took shorted than that by two women. Preparation time for both rack-type hose and reel-type one by men took shorter than that by women. In summary, it was confirmed that rack-type hose could be prepared within shorter time than reel-type one. Since the size of drum set in the reel-type fire hose is relatively small, it had some difficulty in preparation of fire hose timely.