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The Research on the Skin Type Test of $20{\sim}30's$ Women -Focused on the Reliability of Skin Type Test Questionnaires- ($20{\sim}30$대 여성의 피부 타입 측정에 관한 연구 -국내.외 화장품 회사의 피부 측정방법의 비교를 중심으로-)

  • Kim Jeong-Hee
    • Journal of the Korean Society of Costume
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    • v.56 no.5 s.104
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    • pp.59-74
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    • 2006
  • The purpose of this study is to investigate the skin type of $20{\sim}30’s$ women that use skin type test paper of cosmetic companies and usual using condition for the cosmetics. The result is as follows; The research target is $20{\sim}30’s$ woman in Seoul area, around capital city area and Geonra province, we surveyed the difference among the group, after dividing the groups with job, monthly income. As the result of research on the usual using cosmetics and cleansing products, $20{\sim}30’s$ woman mostly have toilet water, lotion and foam type cleansing product and use them. As the result of consciousness of skin type combination skin type is 46.1%, dry skin type is 23%, oily skin type is 15%, sensitive skin type is 9%, normal skin type is 7%. To compare results of skin type test paper of cosmetics companies with consciousness of skin type, result of skin type test paper of cosmetics companies was different consciousness of skin type. The result of skin type test paper of B company is same as consciousness of skin type is 31.2% and this result among cosmetics companies was appeared high ratio. Among the results from 3 companies, the rate that all result for 1 person's skin type are accord, is just 8%. 2 companies among them have matching rate of 42%. Most of all, each results of skin type test paper of cosmetics companies was appeared difference. This result show the problem of objectivity about skin type test paper of cosmetics companies that they using it.

Analysis of Sun Tracking Performance of Various Types of Sun Tracking System used in Parabolic Dish Type Solar Thermal Power Plant (접시형 태양열 발전시스템에서 사용하는 여러 가지 형태의 태양추적시스템의 태양추적성능 분석)

  • Seo, Dong-Hyeok;Park, Young-Chil
    • Journal of Institute of Control, Robotics and Systems
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    • v.17 no.4
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    • pp.388-396
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    • 2011
  • Sun tracking system is the most important subsystem in parabolic dish type solar thermal power plant, since it determines the amount of thermal energy to be collected, thus affects the efficiency of solar thermal power plant most significantly. Various types of sun tracking systems are currently used. Among them, use of photo sensors to located the sun(which is called sensor type) and use of astronomical algorithm to compute the sun position(which is called program type) are two of the mostly used methods. Recently some uses CCD sensor, like CCD camera, which is called image processing type sun tracking system. This work is concerned with the analysis of sun tracking performance of various types of sun tracking systems currently used in the parabolic dish type solar thermal power plant. We first developed a sun tracking error measurement system. Then, we evaluate the performance of five different types of sun tracking systems, sensor type, program type, hybrid type(use of sensor and computed sun position simultaneously), tracking error compensated program type and image processing type. Experimentally obtained data shows that the tracking error compensated program type sun tracking system is very effective and could provide a good sun tracking performance. Also the data obtained shows that the performance of sensor type sun tracking system is being affected by the cloud significantly, while the performance of a program type sun tracking system is being affected by the sun tracking system's mechanical and installation errors very much. Finally image processing type sun tracking system can provide accurate sun tracking performance, but costs more and requires more computational time.

Analysis of Clinocopathologic Difference between Type II and Type III Cancers in Siewert Classification for Adenocarcinomas of the Cardia (Siewert 분류에 의한 협의의 분문부 위암(type II)과 분문하 위암(type III)의 검토)

  • Kim Hyoung-Ju;Kwon Sung Joon
    • Journal of Gastric Cancer
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    • v.4 no.3
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    • pp.143-148
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    • 2004
  • Purpose: To determine the clinical value of the Siewert classification for gastic-cancer patients in Korea, we evaluated and compared the clinicopathologic factors of type II and type III cancer. Materials and Methods: The medical records of 89 consecutive patients who had undergone surgery for an adenocarcinoma of the gastroesophageal junction (GEJ) at the Department of Surgery, Hanyang University Hospital, between Jun. 1992 and Dec. 2003 were reviewed retrospectively. Results: There were one patient with type I, 12 pateints with type II and 77 patients with type III. During the same period, 1,341 patients underwent surgery for a gastric carcinoma, so proportion of GEJ cancer being $6.6\%$. The median followup duration was 31 months (range: $2\∼135$ months), and the follow-up rate was $100\%$. Between type II and type III cancers, there were no significant differences in the clinicopathologic variables including age, sex, gross appearance, histologic type, depth of invasion, and pathologic stage. The longest diameter of the tumor was larger in type III ($6.1\pm2.1$ cm) than in type II ($3.9\pm1.1$ cm)(P=0.001). A total gastrectomy with Roux-en-Y esophagojejunostomy was done most frequently, while jejunal interposition was done in 3 cases of type II and 2 cases of type III. More than a D2 lymphadenectomy was done all cases. The numbers of dissected lymph nodes and metastatic lymph nodes in type II were 43.8 and 5.8 respectively, while they were 49.8 and 8.1 in type III, but the difference between the two groups were not statistically significant. The mean length of the proximal resection margin was $15\pm5$ mm in type II and $21\pm13$ mm in type III, but this difference was not statistically significanct. The time to recurrence after operation was 19.3 months in type II and 16.9 months in type III. The five-year survival rates of type II and III were $68.8\%\;and\;52.7\%$ respectively, but difference was not significant. Conclusion: There were no significant differences in the clinicopathologic variables, including survival rate, between type II and type III cancers in Korean patients According to these findings, it appears to be reasonable to classify type III cancer as a cardia cancer in a broad sense.

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Strength Properties of Wooden Model Retaining Wall Using Preservative Treated Square Timber of Domestic Pinus rigida Miller (리기다소나무 방부 정각재를 이용한 목재 옹벽의 강도 성능 평가)

  • Park, Jun-Chul;Kim, Keon-Ho;Lee, Dong-Heub;Hwang, Won-Joung;Hong, Soon-Il
    • Journal of the Korean Wood Science and Technology
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    • v.38 no.6
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    • pp.532-540
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    • 2010
  • The strength properties of wooden model retaining wall made of pitch pine (Pinus rigida Miller) was evaluated. Three different types of wooden model retaining wall were made of the 11cm square timber treated with CUAZ-2 (Copper Azole). The retaining wall was made into the 4 layers of crossbar and the 3 layers of vertical-bar, of which the size was 86 cm high, 200 cm long and 96 cm wide. Type I was control and in Type II 20 cm vertical-bars and 93 cm vertical-bars were arranged alternately to decrease wood usage. TypeIII was similar to TypeII except that the connection between crossbars was reinforced with the wooden armature. In each type, the strength properties of retaining wall were investigated by horizontal loading test and the deformation of structure by image processing (AICON 3D DPA-PRO system). In horizontal loading test of Type I, Type II and Type III was 63.17, 57.80, and 60.97 kN/m, respectively. The deformation of the top layer in Type II was 1.5 times larger than in Type I and Type III. Consequently, the economic efficiency and strength performance were better in Type III than in Type I and Type II.

Changing Trend of Bathroom Space in Apartment Housing - With the cases of small size apartment housing established in 1966~1991 - (우리나라 공동주택 욕실 공간의 변화추이)

  • 심현숙
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 1990.09a
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    • pp.34-44
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    • 1990
  • This study aimed to provide a basic data for presenting an appropriate plan of bathroom space which is suitable to our bathing behavior. We analized 1052 of small-sized apartment housing floor plans and the results were as follows. 1. Bathroom space were classified into 5 types : bath unit type, separated type, deficisncy type, over bath unit type, and semiseparated type and there was no separated type in this study. 2. The bathroom space type according to the size of housing 1) Deficiency type was the most popular one in 10-15 pyung sized housing. 2) In the size of 16-20 pyung housing, deficiency and bath unit type were popular ones. 3) Bath unit type was the most generalized one in 21-30 pyung. 4) Bath unit type and over unit type were generally equipped in 31-34 pyung housing. 3. The size of bathroom was ranged from 0.7 pyung to 2.0 pyung, and the ratio of it was 7.5- 12%.

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The Preference on Fashion Advertisement Media by Lifestyle Group Types (라이프스타일 집단유형화에 따른 패션 광고매체 선호도)

  • Kim, Seon-Sook
    • Journal of the Korean Home Economics Association
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    • v.49 no.8
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    • pp.97-111
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    • 2011
  • This study aimed to present marketing communication strategy for lifestyle groups. Consumers' preference on advertisement media/information source, advertisement appeal types, and on-line media use were examined by lifestyle groups. This study was executed by web survey and off-line survey. A total of 141 data was obtained and data were analyzed by PASW 18.0. Results were as follows: First, 4 types of lifestyle groups were made up by holistic approach; 'price oriented', 'traditional symbolic', 'positive life', and 'open mind enjoyment'. 'Positive life type' preferred every type of ads media. 'Traditional symbolic type' liked magazine and 'price oriented type' and 'open mind enjoyment type' thought off-line store display more important. For ads appeal types, 'positive life type' preferred social oriented appeal type. Every group except 'price oriented type' preferred emotional appeal type and especially 'open mind enjoyment type' liked the most emotional ads appeal type.

Comparative Study on Type-2 and Type-1 TSK FLS. (Type-2와 Type-1 TSK FLS의 비교 연구)

  • Ji, Gwang-Hui;O, Seong-Gwon
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2008.04a
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    • pp.321-324
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    • 2008
  • Type-2 퍼지 집합은 Type-1 퍼지 집합에서는 다루기 어려운 언어적인 불확실성을 더욱 효과적으로 다룰 수 있다. TSK 퍼지 로직 시스템(TSK Fuzzy Logic Systems; TSK FLS)은 Mamdani 모델과 함께 가장 널리 사용되는 FLS이다. 본 연구의 Interval Type-2 TSK FLS 모델은 전반부에서 Type-2 퍼지 집합을 이용하고 후반부는 계수가 상수인 1차식을 사용한다. 전반부의 파라미터는 오류역전파 방법(Back-propagation)을 통한 학습으로 결정되고, 후반부 파라미터(계수)들은 Least squre method(LSM)를 사용하여 결정된 값을 사용하여 모델을 구축한다. 본 논문에서는 Type-1 TSK FLS과 Type-2 TSK FLS의 성능을 가스로 공정 데이터를 적용하여 비교 분석한다. 또한 랜덤 화이트 가우시안 노이즈를 추가한 테스트 데이터를 사용하여 노이즈에 대한 성능을 분석한다.

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Classification of Korean Rice Cultivars based on Reaction Pattern to Japanese Isolates of Blast Pathogen

  • Jin, Xuan-Ji;Lee, Eun-Jeong;Choi, Jae-Eul
    • Journal of Crop Science and Biotechnology
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    • v.10 no.1
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    • pp.3-7
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    • 2007
  • Classification of blast resistance type of 129 Korean rice cultivars was carried out based on reaction pattern to 10 Japanese blast pathogen isolates(Pyricularia oryzae). The cultivars were divided into 11 groups based on the presumed resistance genes as follows; Pia type(19 cultivars), Pita-2 type(4), Pik type(3), Pib type(5), Piz type(11), Pik-s type(8), Pik and Pii type(4), Pia and Pita type(8), Pia and Pik type(6), Pita, Pik and Pii type(4) and no-grouping type(57). These results would provide important information to rice breeding for durable and broad resistance to rice blast.

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The Study on the Socialization of Household Work to the difference of Life Style pattern (생활 양식 유형에 따른 가사노동 사회화에 관한 연구)

  • 문숙재
    • Journal of the Korean Home Economics Association
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    • v.26 no.3
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    • pp.153-169
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    • 1988
  • This study aimed at investigating the socialization of householdwork to the difference of life style pattern of housewives. For the purpose, questionnaires were administrated to the housewives in Seoul and to analyse of the date, factor analysis F-test, t-test and path analysis were used. The results can be summarized as follows ; 1. By utilizing factor analysis, the life style patterns of housewives were classified into 7 types, they were named, self-improvement type, social activity type, modernistic type, sound and thrifty type, variety-seeking type, passive stability-seeking type, the traditional and conservative type. And the patterns of life style differed significantly according to all of the demographic variables except family type. 2. The level of socialization of householdwork was not reaching the medium, and the mean was 19.45. 3. The socialization of householdwork were influenced indirectly by the age, educational level, income level, family type and social activity type, variety seeking type, traditional and conservative type of the life style pattern. And directly, the age and educational level influenced the socialization of householdwork.

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Development of Battery Type Powered Handpiece Drive System for Surgical Operation (Battery type 외과수술용 핸드피스 구동 드라이브 시스템)

  • Ha, Jung-Jun;Yoon, Yong-Ho
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.57 no.4
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    • pp.388-394
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    • 2008
  • The purpose of this paper is concerned with a battery type powered handpiece drive system for surgical operation. Battery type powered surgical handpiece is suitable for delicate surgical operating. The conventional air-type handpiece has a mechanical noise, a strong oscillation and a danger of infection. And the conventional contact switching type handpiece has problems that is restricted by surroundings. By reason of this kind, we studied noncontact switching type surgical handpiece to change conventional air type surgical handpiece and contact switching type. Also in this paper we develop the battery type power handpiece drive system for surgical operation using controller IC UC3625 of UNITRODE CO. Finally some experimental and simulation results are provided to demonstrate the validity of the proposed battery type power handpiece drive system.