• 한국환경과학회지
• /
• 제5권1호
• /
• pp.15-23
• /
• 1996

During the last two decades, many industrial complexes for heavy and chemical industries have been established along the Korean coastline, thereby increasing the pollution materials burden on the coastal environment of seawater. Masan Bay is one of the most polluted coastal areas in Korea and the main soures of pollutants are domestic and industrial wastewater from Masan, Changwon. This study was aimed to evaluate relationships among the physicochemical parameters in the bottom water of Masan bay and to examine environmental factors affecting to pollutions of seawater by factor analysis. 'rife factor loading, 1 is showed higher increasing inclination after 1989 year in station 1. The variance of pollutant materials is showed 43.7% in which the coastal inflow water is indicated external loadings(factor 1 : NO3--N, TN, factor 4 : SiO2-Si) corresponded to domestic sewage, industrial wastewater, and earth-sands in the bottom water of Masan bay And the internal loadings(factor 2 : SS, salinity, factor 3 . W.T., DO) are explained 33.8%'corresponded the phenomena of sedimentary layer and oxygen concentration. Therefore, The external loadings are explained by the higher factor pollutantal variance in Masan bay.

• 한국축산시설환경학회지
• /
• 제18권1호
• /
• pp.19-24
• /
• 2012

젖소를 사육하는 유우농가 마을을 대상으로 선행 국내/외 문헌자료들에 대한 고찰을 통해 탄소 유입과 배출에 따른 각 부문별 발생량 원단위에 대한 다음과 같은 결론을 도출하였다. 1. 젖소 사육과정에서 탄소 유입에 대한 발생량 원단위는 젖소의 사료 섭취에 의한 탄소 유입(${\fallingdotseq}$ 5.9 ton C/head/year), 젖소 분뇨 퇴비를 초지로 환원시 탄소 유입(${\fallingdotseq}$ 2.3 ton C/head/year), 초지가 함유하고 있는 유기탄소(${\fallingdotseq}$ 318g C/$m^2$/year), 사료작물이 함유하고 있는 유기탄소(${\fallingdotseq}$ 145 g C/$m^2$/year) 및 광합성에의한 대기 중 $CO_2$의 초지 사료작물 흡수(${\fallingdotseq}$ 17 g C/$m^2$/year)로 정리할 수 있다. 2. 젖소 사육과정에서 탄소 배출에 대한 발생량 원단위는 젖소 호흡 및 트림에 의한 대기 중으로 $CO_2$와 $CH_4$ 배출(${\fallingdotseq}$ 2,9 ton C/head/year), 젖소 분뇨내 유기탄소 분해에 의한 대기 중으로 $CO_2$와 $CH_4$ 배출(${\fallingdotseq}$ 0.4 ton C/head/year), 초지에서 대기 중으로의 $CO_2$ 배출(${\fallingdotseq}$ 440 g C/$m^2$/year), 및 초지 내 유기탄소의 지하수 용출(${\fallingdotseq}$ 0)로 정리 할 수 있다.

• 대한예방한의학회지
• /
• 제20권2호
• /
• pp.77-86
• /
• 2016

Objectives : This study aims to investigate the current situation of domestic patents in Korea on natural products and to provide directions for developing and applying herbal medicinal products by in-depth analyses. Methods : Combinations of words, such as "A61K" or "A61P", "herb" or "Korean medicinal herb" or "Korean medicine" or "traditional" or "natural" or "$botanic^*$" or "China", and "medicine" or "treatment" or "prevention" or "improvement", were used to search patents in the World Intellectual Property Service (WIPS) database. Three methods were applied to analyze natural products patents. First, the number of patent registrations was sorted by year. Second, the assignees were analyzed by count and country of origin. Finally, cluster map analysis was conducted to explore frequently emerging words in natural products and the relationship amongst those words to treat corresponding diseases/technologies. Results : Results showed that, first, the total number of patents had been increasing. Among the patents, 76.4% were registered by domestic institutes/companies, and 23.6% by foreign institutes/companies. Second, USA, Japan, and China possess a considerable number of Korean patents and, therefore, domestic institutes/companies can seek joint technological development opportunities with their counterparts from those countries in the future. Finally, a total of four clusters were identified by cluster map analysis. Each of the clusters includes natural products related to diseases involving skin, aging, and blood sugar, as well as adult diseases. Conclusions : In this study, natural products patents registered in the Korean Intellectual Property Office were analyzed. The analyses results showed the kinds of natural products that had been employed for the treatment of certain diseases. However, natural products included in existing patents were minimal given that 4,174 species of indigenous plants are found in Korea. Thus, Korean institutes/companies should utilize unexplored plants to develop more value-added drugs.

• 벤처혁신연구
• /
• 제6권3호
• /
• pp.61-72
• /
• 2023

2020년 12월, 한국의 금산분리 원칙과 관련한 공정거래법이 개정되고 이를 1년 뒤인 2021년 12월 30일부터 시행한다는 정부의 발표가 있었다. 개정의 내용은 과거 금산분리의 대원칙이었던 산업자본의 금융시장 침투 금지 기조를 깨고 '일반지주회사의 중소기업창업투자회사와 신기술사업금융전문회사 주식의 소유 가능'이었다. 이 개정 법의 전제는 발행주식 총수의 소유이었지만, 법 개정 전후로 CVC(Corporate Venture Capital; 기업주도형 벤처캐피탈)의 연간 설립 건수와 투자 건수, 전략적 투자 건수 등의 추이에 변동이 있었다. CVC와 IVC(Independent Venture Capital; 독립 벤처캐피탈)는 투자 목적, 펀드 운용 유형, 투자 유형에 따라 그 특징이 구분되는데, 이 부분에서 금산분리법의 완화는 향후 벤처투자생태계와 혁신생태계의 활성화에 긍정적인 영향을 줄 수 있다고 기대된다. 본 연구에서는 법 개정 전인 2018년부터 법 개정 이후 2023년 5월까지 국내 CVC의 설립 건수, 투자 건수, 전략적 투자건수의 추이를 분석하여, 개정 금산분리법이 시행되었던 2021년을 기준으로 추이의 변화를 살펴보았다. 분석의 결과, 국내 CVC는 2021년에 전년대비 큰 폭으로 증가했으며, 투자건수와 전략적 투자건수, 전략적 투자의 투자금액 또한 과거에 비해 증가했음을 확인할 수 있었다. 본 연구는 이러한 결과를 토대로 향후 국내 CVC 투자와 전략적 투자, 벤처투자시장 활성화 등과 관련한 추가적인 연구의 방향을 제시한다.

• 한국안전학회지
• /
• 제35권4호
• /
• pp.48-55
• /
• 2020

The use of temporary Gondola has been steadily increasing. The temporary Gondola is required to get a safety certification review during installation and to be inspected during use within every six months. Most of them, however, are dismantled before six months, and inappropriate activities are conducted frequently for shorter working hours and convenience of work. In this study, the characteristics of the temporary Gondola and the domestic accident cases that occurred over the past 10 years(2008-2017) are analyzed for the type of accident, the state of the accident by year, and the actions of the workers in the event of an accident. Also comprehensive accident reduction measures were proposed by identifying the fundamental causes of temporary Gondola accidents, problems of existing preventive measures, and system defects by utilizing Bow-Tie techniques.

• 한국의류산업학회지
• /
• 제13권1호
• /
• pp.1-6
• /
• 2011

Design patent is a type of industrial design right that is granted on the ornamental design of a functional item. We analyzed domestic design patents that were applied from 1965 until 2008, to the field of functional clothing. Since the year 2000 the number of design patents of functional clothing progressively increased. Design patents applied to the functional clothing field includes sport wear (47%), working clothes (34%), and leisure wear (19%). Design development of the sports wear from the latter half of 1990's has shown a continuously increasing tendency. The most patent applications belonged to the companies(51.4%), followed by individual applicants (46.6%), and the universities or laboratories had the least number of applications (2.0%). In case of working clothes or the leisure wear, the number of design applications focusing on the functional characteristic is higher than that of aesthetic characteristic, however, the number of design applications focusing on the aesthetic characteristic is higher in sportswear.

• 한국응용과학기술학회지
• /
• 제40권6호
• /
• pp.1445-1453
• /
• 2023

In 2022, the domestic production performance of functional cosmetics in South Korea reached 4.6 trillion won, accounting for 33.85% of the total cosmetics production. The number of functional cosmetics reviewed increased by about 7.5% from the previous year, totaling 974 items. Especially with the increasing importance of the skin barrier function due to skin sensitivity caused by various environmental pollutants, domestic cosmetic companies are showing interest in the development of new ingredients and products related to this area. This study aims to analyze academic research trends related to in vitro experiments for the development of cosmetics improving the skin barrier, to provide practical information for the cosmetic industry. The findings are as follows: Academic research mainly focused on the efficacy of natural ingredients in improving the skin barrier, but there is a significant lack of quantitative accumulation of research. For the development of skin barrier-improving cosmetic ingredients, efficacy evaluation indicators were set, including hyaluronic acid production, expression of filaggrin gene, loricrin, formation of cornified envelope (CE), and expression of ceramide synthesis enzyme genes. Moreover, effective cosmetic ingredients for improving the skin barrier included lemongrass and perilla leaf extracts, flavonoids, Lactococcus lactis subsp. lactis, Exosomelike Nanovesicles derived from apple callus, Eleutherococcus sessiliflorus, Acanthopanax sessiliflorus, Eleutherococcus gracilistylus, Acer okamotoanum extracts, Aloe vera adventitious root extract, ethanol extract of Aruncus dioicus, and organic solvent fraction of Dracocephalum argunense.

• 한국지진공학회논문집
• /
• 제26권4호
• /
• pp.173-180
• /
• 2022

Most of the drinking water dams managed by the local governments in Korea are earthfill dams, and these dams have almost no geotechnical property information necessary for seismic performance evaluation. Nevertheless, in the rough planning stage for improving seismic safety for these dams, it is necessary to classify their relative seismic hazard against earthquakes and conduct an additional ground investigation. The zero seismic failure probability curve is a curve suggested in this study in which the probability of failure due to an earthquake becomes '0' regardless of the geotechnical properties of the earthfill dam. By examining the method and procedure for calculating failure probability due to an earthquake suggested in previous researches, the zero seismic failure probability curves for an earthquake in 1,000-year and 2,400-year return periods in Korea were presented in the form of a hyperbola on the plane of the dam height versus freeboard ratio (ratio of freeboard to dam height), respectively. The distribution characteristics of the dam height and the freeboard ratio of 81 Korean earthfill dams were presented. The two proposed zero seismic failure probability curves are shown on the plane of the dam height versus freeboard ratio, and the relative seismic hazard of 81 dams can be classified into three groups using these curves as boundaries. This study presented the method of classifying the relative seismic hazard and the classification result.

• 한국정보통신학회:학술대회논문집
• /
• 한국정보통신학회 2021년도 추계학술대회
• /
• pp.323-325
• /
• 2021

한국 택배 시장의 규모는 해가 지날수록 점점 성장하고 있다. 최근 코로나 19의 여파로 인해 그 성장 폭은 훨씬 급등하였다. 지난 2020년 국내 택배 시장 물동량 추이를 살펴보면 약 34억 박스로 전년 약 28억 개에 비해 약 21% 증가하였다. 그리고 매출은 약 7조 5천억 원으로 전년 약 6조 3천억 원과 비교하면 약 19%가 증가하였다. 택배 시장이 성장하면서 택배 피해 구제에 대한 비율도 적지 않은 비율로 발생하고 있다. 1000명 중 약 33%가 배송사고 경험이 있고 이 중 약 41%가 파손 또는 훼손 경험을 한 적이 있다고 설문하였다. 본 논문에서는 파손된 택배를 감지하기 위해 택배를 감지할 수 있는 딥러닝 모델을 생성하였다. 이 모델의 성능을 확인하고 실시간 감지 카메라와 이 모델을 이용하여 배송과정에서 택배를 감지하여 분류할 수 있는 시스템을 연구하였다.

• 생물환경조절학회지
• /
• 제16권1호
• /
• pp.13-20
• /
• 2007

수경 재배 관련 기술개발 및 수경재배의 효율화를 위한 기초 자료 수집 측면에서 온라인 특허 검색 유료사이트(http://www2.wips.co.kr)를 이용해 1983년부터 2006년 1월까지의 수경재배와 관련된 국 내 특허출원정보를 분석하였다. 수경재배에 관련된 특허출원은 59건이 검색되었다. 특허의 내용은 수경재배 장치에 관한 것 19건(32.2%), 수경재배 자재에 관한 것 13건(22.0%), 양액의 조성에 관한 것이 11건(18.6%), 수경에 의한 재배방법에 관한 것 9건(15.3%), 수경재배배지에 관한 것 7건(11.9%) 순으로 많았다. 특정의 작물을 대상으로 한 양액의 조성 및 수경에 의한 재배방법의 대상 작물로는 토마토가 5건, 감자가 4건으로 많았다. 특허 출원시기는 전체적으로 2000년 이전에 출원된 것이 33건(55.9%)을 차지하였으며, 2000년 이전에는 양액조성과 자재와 관련된 것이 상대적으로 많았고, 2000년 이후에는 수경 재배방법과 배지에 관한 것이 상대적으로 많았다.