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      • Application of Silk Proteins as Biomedical Materials

        최병희,김유경,조종수 대한민국 학술원 2011 학술원논문집 : 자연과학편 Vol.50 No.1

        Silk fibroin has been used as the biomedical materials due to the good mechanical strength, biocompatibility, high oxygen and water vapor permeability, slow enzymatic degradation and minimal inflammatory reactions. However, the silk fibroin in the sponge form is easily brittle, which has a disadvantage for the use of tissue engineering. Many researchers have studied silk fibroin/biomaterial blends to increase the mechanical properties of the silk fibroin. This review focuses on recent progress in blending of silk fibroin with other biomaterials for biomedical applications.

      • 絹絲 LOUSINESS 에 對한 硏究(Ⅰ)

        崔炳熙,金洛禎,朴光義,南重熙 서울대학교 1963 서울대학교 論文集 Vol.14 No.-

        This treatise is to set up a fundermental condition of checking silk lousiness and to set up a new improving method of cocoon bave lousiness after suer refining treatment. It is also studied whether silk lousiness can be eliminated through the observation of the silk gland or the lousiness can be able to improve through such a study. The conclusions obtained in this paper are as follows. 1. Silk lousiness is able to be observed most properly when the light direction and the fiber direction is paralleled in plan view of the silk cloth and the greater the angle between them is, the less the lousiness is observed. When, however, the angle is greater than some specific angle (30˚), no more lousiness is observed. This specific angle was named by the author as Lousiness Horizontal Critical Angle. 2. Silk lousiness can be observed when the angle of light incidense against the silk cloth is six degree, while the large the angle is, the less the lousiness is observed. When, however, the angle is greater than some specific angle(45˚), the lousiness disappears. Such a specific angle was named by the author as Lousiness vertical Critical Angles. 3. The best textile composition to decrease lousiness defect is plan weave, while twill and satin weave show more lousiness with same silk fiber. 4. Lousiness was classified as Lousiness A, B and C of which A was the general lousiness, B was the group type, and C was the glucose type one, and the standard photographs for the lousiness grading of these types were prepared. 5. The proper soap refining hours of silk for lousiness test was determined as eight hours. 6. The greater the difference of fiber diameter between the cocoon single bave and the splitend was, the more lousiness was composed. The normal splitends were measured as 1/4-1/5 of the main fiber. 7. The lousiness was found at the cocoon shape ends more than other parts, and found at the middle cocoon layer than other layer which was imagined to be as a result of poor uniform bave spinning of silk worm. 8. Male cocoon had more lousiness than the female cocoon. 9. It was found that there was a great possibility to have the splitends through the observation of the anatomical silk gland, and the author reached as conclusion that the lousiness can be improved some only be elimination of abnormal silk gland from the breeding aspects. 10. The cocoon bave of the offspring after super refining lousiness test and selection showed more improved lousiness defect than that of the parent.

      • KCI등재

        한국의료패널 자료를 이용한 한.양방 의료의 보완 및 대체관계 분석

        최병희,김동수,유왕근,윤영주,권영규,이상재,임병묵,Choi, Byunghee,Kim, Dong-Soo,Yoo, Wang-Keun,Yun, Youngju,Kwon, Young-Kyu,Lee, Sang-Jae,Lim, Byungmook 대한예방한의학회 2013 대한예방한의학회지 Vol.17 No.3

        Objectives: Korea has a dual medical system where traditional Korean Medicine (KM) and Western Medicine (WM) exist au equal terms with exclusive practice boundaries. The aim of this study was to identify complementary and substitute relationships between KM and WM in Korea. Methods: The data of 19,413 respondents were collected from the 2009 Korea Health Panel dataset. General characteristics and the medical utilization of respondents were analyzed descriptively. the Univariable Analysis was used to compare the factors that affected KM and WM utilization, and the Multivariable Analysis was applied to identify complementary or substitute relationships between the respondents' choices for KM and WM. The data were analyzed by the seven disease groups; diseases of nervous system, circulatory system, respiratory system, digestive system, skin and subcutaneous tissue, musculoskeletal system, and connective tissue, injury, poisoning and others. Results: 13.6% and 76.9% of respondents used KM and WM respectively last 12 mouths. 12.7% used both, and 0.9% used KM only. In overall, respondents who visited KM institutions used also WM. However, according to the analysis of choices of medical institutions, non-pharmacological KM treatment and WM has been used as a substitute for another in the diseases of the skin and subcutaneous tissue, diseases of the musculoskeletal system, and connective tissue, injury, poisoning and others. Conclusions: Despite some exceptional disease areas, Korean people use KM complementarily to WM, and this result can rationalize the recent Korean government policies encouraging the cooperation of KM and WM. This study can he used for the future policies development for KM service delivery.

      • KCI등재

        Factors related to the parallel use of complementary and alternative medicine with conventional medicine among patients with chronic conditions in South Korea

        최병희,한동운,나선삼,임병묵 한국한의학연구원 2017 Integrative Medicine Research Vol.6 No.2

        Background: This study aims to examine the characteristics and behavioral patterns of patients with chronic conditions behind their parallel use of the conventional medicine (CM) and the complementary and alternative medicine (CAM) that includes traditional Korean Medicine (KM). Methods: This cross-sectional study used the self-administered anonymous survey method to obtain the results from inpatients who were staying in three hospitals in Gyeongnam province in Korea. Results: Of the 423 participants surveyed, 334 participants (79.0%) used some form of CAM among which KM therapies were the most common modalities. The results of a logistic regression analysis showed that the parallel use pattern was most apparent in the groups aged over 40. Patients with hypertension or joint diseases were seen to have higher propensity to show the parallel use patterns, whereas patients with diabetes were not. In addition, many sociodemographic and health-related characteristics are related to the patterns of the parallel use of CAM and CM. Conclusion: In the rural area of Korea, most inpatients who used CM for the management of chronic conditions used CAM in parallel. KM was the most common in CAM modalities, and the aspect of parallel use varied according to the disease conditions.

      • 新纖維資源으로서의 MILKWEED 栽培와 利用性에 대하여

        崔炳熙 서울대학교 1962 서울대학교 論文集 Vol.11 No.-

        Seed fiber are used mainly in the manufacture of life belts, buoys, for stuffing pillows and mattresses, and for other similar purposes. Asclepiadacea-Asclepias-Syriaca is also one of the main seed fiber to be useful for the same purposes. There is few seed fiber available in Korea except cotton, which is very short for the consummation. Milkweed is the common name of the Asclepias-Syriaca and it is known as an economic fiber in America because of no labor work is required. The milkweed seed was brought into this country by the author and cultivated at the College of Agriculture, Seoul National University, where he found the good possibility of the cultivation as well as in the United Sates. This weed is not only useful for the seed fiber usage but also is useful for the stem fiber uses. They are able to spin with a special type of machineries. This weed grows even on the hill where does not require any fertilizing or weeding at any type of soil. The author observed the weed morphologically rather than machine process workabilities. He hopes that the cultivation of this weed will help the shortage of fiber demand in this country.

      • 製絲機 繰絲速度의 理論 處理

        崔炳熙 서울대학교 1961 서울대학교 論文集 Vol.10 No.-

        The theoretical treatment is give in this paper for longitudinal impact of silk yarn or raw silk yarn leads to a formula for the limiting breaking velocity. Because of periodical impact nature during the silk reeling process, this kind of studies are required for the safty operation of it. The limiting velocity of the reeling process is derived as 300 meters per minute with theoretical study. The theoretical treatment also leads to formulas for obtaining energy to any given stain. including rupture strain under different impact conditions so that the theoretical energy amount may be figured and designed with the automatic motion which is attached in the kennel system of the silk reeling machine. Meantine. a theoretical study of potential energy is mintioned to cause pressure on the winding reel during the reeling process.

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