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천옥경 남북문화예술학회 2010 남북문화예술연구 Vol.0 No.6
피아노협주곡《조선은 하나다》는 북한에서 창작된 피아노협주곡의대표작일 뿐만 아니라 북한에서 창작된 가요음악을 피아노 협주곡으로 편곡하고 나름대로 주체적 특성으로 발전시키는데서 이룩한 성과작품의 하나라고 본다. 이러한 시점에서 본 연구는 북한의 피아노협주곡《조선은 하나다》에 대한 음악특성연구를 중심으로 하고 그 작품의 예술풍격과 음악적 특징 및 연주특성에 대하여 살펴보고 분석하려 한다. 연구에 앞서 피아노협주곡《조선은 하나다》에 대한 역사배경분석, 예술풍격과 음악적 특징에 대한 분석, 연주특성 등 세 개 부분으로 나누어 논술한다. 첫째로, 북한음악의 핵심인 주체 음악논과 작품의 음악 실체에 대한 연구로부터 피아노협주곡《조선은 하나다》의 창작 및 사회배경과 작가의 창작의도 그리고 창작과정을 살펴보며 작품의 예술특징에 대해 분석하고, 둘째로, 작품의총체적인 결구, 예술풍격과 특징에 대하여 분석하려 한다. 셋째로, 피아노협주곡《조선은 하나다》의 선율과 그 속에 내포되어 있는 함의도 살펴보려 한다. 본 논문은 연구 성과가 피아노협주곡에 기초자료가 되고 현재 피아노를 학습하는 후학들에게 적으마한 도움이 되기를 바라는 바라고 향후 북한 음악연구에서의 디딤돌이 되었으면 한다.
태아의 치배 및 치렬궁의 성장과 발육에 관한 방사선적 연구
천옥경(Ok-Kyung Cheon),서정훈(Cheong-Hoon Suhr) 대한치과교정학회 1982 대한치과교정학회지 Vol.12 No.2
The purpose of this study was to analyze the growth and development of tooth germ and dental arch related to the bone growth during the fetal period. From 70 maxillae and 61 mandibles of the fetus aged 5, 6, 7, 8, 9 and 10 months, X-ray films were taken and measured. The results were as follows; 1. There was remarkable bone growth in the anterior and posterior area of palatum osseum, that were the interior portion of both deciduous canines anteriorly and the intero-posterior portion of both deciduous second molars posteriorly, where there was active bone growth and radiate formation of bony trabecylae was found. 2. The Growth of anterior tooth germ was greater than that of posterior germ, so anterior tooth germs were crowded. Especially in maxilla, the tooth germa of deciduous lateral incisors were located inside of dental arch and the tooth gerka of decoduous canines were located outside of dental arch. 3. Crowding amount increased with the fetal age because the growth of tooth germs was grdater than that of jow bone. 4. In the growth of upper dental arch, the increase of width was greater than that of length. 5. There was proportional relationship beween the arce of Palatal Trapezoid and the fetal age.
Soy Isoflavones as Safe Functional Ingredients
송원옥,천옥경,황인경,신한승,김봉관,김건수,이상연,신다연,이성지 한국식품영양과학회 2007 Journal of medicinal food Vol.10 No.4
In recent years, isoflavones have increased in popularity as an alternative to estrogen therapy, particularly af-trogen and progesterone intervention. Isoflavones are heterocyclic phenols with structural similarity to estradiol-17beta andselective estrogen receptor modulators. Actions at the cellular level depend on the target tissue, receptor status of the tissue,and the level of endogenous estrogen. Clinical studies of soy-based diets evaluating the relation between soy consumptionand serum lipid concentrations revealed that soy consumption significantly decreased total cholesterol, low-density lipopro-tein cholesterol, and triglyceride levels. Epidemiological studies suggest a protective effect of soy protein on breast tissue asucts also alleviate menopausal symptoms by reducing hot flashes. However, whether these biological effects of soy productsoriginated from isoflavones is not clear. Furthermore, data available from human studies on the effect of isoflavones on os-teoporosis are limited, and additional studies are needed to support a role in osteoporosis prevention. To date, no adverse ef-fects of short- or long-term use of soy proteins are known in humans, and the only adverse effects known are those reportedin animals. In conclusion, isoflavones are biologically active compounds, and current data are insufficient to draw definitiveconclusions regarding thhe use of isoflavones as an alternative to estrogeen for hormone replacemment in postmenopausal woomen.Large, long-term intervention studies examining adverse effects and disease outcomes are needed before definitive conclu-sion can be drawn.
Estimated daily per capita intakes of phenolics and antioxidants from coffee in the Korean diet
이봉한,남태규,김선영,천옥경,김대옥 한국식품과학회 2019 Food Science and Biotechnology Vol.28 No.1
This study evaluated the daily per drinkerintakes of total phenolics, total flavonoids, and antioxidantsfrom coffee in the Korean diet. Four types of coffee (instantcoffee, decaffeinated instant coffee, roasted coffee,and coffee mix) were selected and analyzed. Based on theKorea National Health and Nutrition Examination Surveyin 2012, the daily intakes per coffee drinker were estimatedto be 348.6 mg gallic acid equivalents for phenolics,222.5 mg catechin equivalents for flavonoids, and370.8 mg vitamin C equivalents (DPPH assay) or546.7 mg vitamin C equivalents (ABTS assay) forantioxidants. Men had higher intakes of instant coffee andcoffee mix, while women had a higher intake of roastedcoffee. Regarding age categories, over 58% of the coffeeconsumers were 30–59 years old. This study revealed that,in Korea, approximately half of the people drank about 1.4cups of roasted coffee or 2.0 cups of instant coffee everyday.