• Title/Summary/Keyword: consumption category

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Evaluating Carbon Dioxide Emission from Cadastral Category based on Tier 3 Approach (Tier 3 방식에 의거한 지목별 온실가스 배출 실태평가)

  • Kim, Dae-Ho;Um, Jung-Sup
    • Spatial Information Research
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    • v.19 no.3
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    • pp.11-22
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    • 2011
  • It is usual for the carbon dioxide emission to be calculated by official energy consumption statistics produced from a number of specialized industrial process such as refinery, power plant etc. The aim of this research was to evaluate potential of cadastral system in monitoring carbon dioxide emitted from land use. An empirical study for a cadastral category was conducted to demonstrate how a on-site measurement can be used to assist in estimating the carbon dioxide emission in terms of land use specific settings. The cadastral category based analysis made it possible to identify area-wide patterns of carbon dioxide emission, which cannot be acquired by traditional Government statistics. It was possible to identify successively increasing trends in the human-related parcels such as housing land while decreasing trends of carbon dioxide in sink parcels(eg. forest). The results indicate that the cadastral parcel could be used not only as a tool to monitor carbon dioxide emission, but also as an evidence to restrict initiation of development activities causing negative influence to carbon dioxide emission such as road construction. As a result, the research findings have established the new concept of "carbon dioxide emission monitoring based on cadastral category", proposed as an initial aim of this paper.

Coffee and metabolic syndrome: A systematic review and meta-analysis (커피와 대사증후군 : 체계적 문헌고찰 및 메타분석)

  • Lee, Yujin;Son, Jakyung;Jang, Jiyoung;Park, Kyong
    • Journal of Nutrition and Health
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    • v.49 no.4
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    • pp.213-222
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    • 2016
  • Purpose: Coffee is the most frequently consumed food item in South Korea after rice and cabbage. Coffee contains various substances, including caffeine, cafestol, kahweol, chlorogenic acid, and many other known and unknown ingredients with some health benefits. Especially, cumulative evidence has shown that regular coffee use is associated with lower risk of type 2 diabetes, although limited and inconsistent data are available regarding metabolic syndrome. Methods: This study reviewed all available scientific and epidemiologic evidence on coffee consumption, metabolic syndrome, and the association between them. Most epidemiologic research regarding this association was of a cross-sectional design, and a few case-control and cohort studies were available. We conducted meta-analysis with 11 observational studies investigated in Europe, America, and Asia. Summary odds ratios (OR) were calculated using a random-effects model. Results: The overall OR of metabolic syndrome was 0.90 (95% Confidence Interval (CI), 0.81-0.99) for the highest category of coffee intake compared with the lowest intake category. These associations were stronger in populations of US and Europe (OR 0.84, 95% CI 0.76-0.94), whereas no association was observed in the Asian population (OR 1.00, 95% CI 0.81-1.23). Conclusion: The review results indicate that frequent coffee consumption may be beneficial to metabolic syndrome, but the association between coffee consumption and metabolic syndrome may differ by nations or continents.

Survey of Elementary School Students and Their Mothers Awareness and Intake Patterns of Kimchi in Changwon (창원지역 초등학교 학생과 어머니의 김치에 대한 의식 및 섭취실태 조사)

  • Cho, Ah-Ra;Kang, Ok-Ju;Cheong, Hyo-Sook
    • Journal of the Korean Dietetic Association
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    • v.17 no.3
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    • pp.276-286
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    • 2011
  • This study aimed to examine consumers' interest, preference, and consumption frequency of Kimchi in elementary school students in the fifth grade and their mothers living in Changwon city. In a comparison of eating habits, students exhibited better eating habits than their mothers (P<0.01). Though the mothers' levels, were higher than those of the students in the category of 'eat foods with a bit of salt usually', the students' levels were higher in the rest of the eating habit categories. The categories of 'like Kimchi', 'spicy taste', and 'appropriately spicy taste' got high levels. Among several kinds of Kimchi, both students and mothers preferred 'cabbage Kimchi' the most. Among various Kimchi foods, preferences for 'Kimchi pancake', 'fried rice with Kimchi', and 'tuna Kimchi soup', were highest in that order. The preferences differed between students and mothers in each category; mothers' preferences were significantly higher than those of students. However, in the rest of categories, except 'boiled kimchi and fish' and 'Kimchi and stir-fried spicy pork', students' preferences were higher than mothers' ones. Compared to their preferences, students' consumption frequencies were significantly higher than mothers' ones (P<0.01). There were positive correlations among students' eating habits, awareness of Kimchi, consumption frequency, and preference. For mothers, there were positive correlations not only between eating habits and awareness, but also between awareness and preference.

A Study on the Performance Measuring Methods and Standard for the Technical Package in Zero Energy Building (제로에너지빌딩의 기술 패키지 구성을 위한 성능 기준 및 성능 측정 방법에 관한 연구)

  • Sung, Uk-Joo;Rim, Min-Yeop;Kim, Seok-Hyun;Cho, Soo
    • Journal of Korean Institute of Architectural Sustainable Environment and Building Systems
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    • v.12 no.6
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    • pp.543-556
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    • 2018
  • Zero energy building was attended for energy consumption minimization by the energy saving technology about building heating and cooling energy consumption and the renewable energy production facility. So the government has supported the zero energy building supply for decreasing green gas emissions. The study about inventory of zero energy building has many proceeding. That inventory need the information of material and equipment. So information of material and equipment about zero energy building must be included for the zero energy building realization. Actually the database of zero energy building inventory construction through the inventory established studies has difficult because the database need many information. In this study, author proposed the test methods and performance reference for upload at inventory. It was constructed to material - module - package. Also the author analyzed the construction of the technical package for zero energy building. The author separated performance category to the energy performance for energy analysis and other performance for confirmed the durability, stability and etc. This performance category proposed the table. The test methods of material and equipment in the passive package and active package proposed to the international standard and korea standard basically korea standard. Also the performance reference was proposed to korea legal standard and various standard by this study results. And the authors proposed the table of performance value, test methods, performance reference. By result of this study, the test methods and performance reference will be used the basic data for inventory of zero energy building.

A study on the impact of consumers' psychological discomfort regarding eco-friendly products on their willingness to pay additional prices and the moderating effect of category involvement (친환경 제품에 대한 소비자의 심리적 불편함이 추가가격 지불 의향에 미치는 영향 및 제품군 관여의 조절효과 연구)

  • Eun-Jung Lee
    • The Journal of the Convergence on Culture Technology
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    • v.10 no.1
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    • pp.253-259
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    • 2024
  • From the consumer's perspective, eco-friendly consumption is still a topic that can cause various psychological discomforts, and psychological discomfort can lower the intention to consume eco-friendly products through negative consumer psychological mechanisms. This study analyzed the influence of psychological discomfort regarding eco-friendly consumption on people's willingness to pay additional prices for eco-friendly products. In addition, we examined the moderating effect of consumers' involvement in the product family in this relationship. As a result of a statistical analysis based on consumer response data obtained from an online survey conducted with 407 American consumers, the level of people's psychological discomfort with eco-friendly consumption is directly related to their willingness to pay additional prices for eco-friendly products. Although it did not have a significant effect, it was confirmed that the influence of psychological discomfort on willingness to pay premium price was significantly different depending on the consumer's level of involvement.

Trends in Deep Learning Inference Engines for Embedded Systems (임베디드 시스템용 딥러닝 추론엔진 기술 동향)

  • Yoo, Seung-mok;Lee, Kyung Hee;Park, Jaebok;Yoon, Seok Jin;Cho, Changsik;Jung, Yung Joon;Cho, Il Yeon
    • Electronics and Telecommunications Trends
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    • v.34 no.4
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    • pp.23-31
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    • 2019
  • Deep learning is a hot topic in both academic and industrial fields. Deep learning applications can be categorized into two areas. The first category involves applications such as Google Alpha Go using interfaces with human operators to run complicated inference engines in high-performance servers. The second category includes embedded applications for mobile Internet-of-Things devices, automotive vehicles, etc. Owing to the characteristics of the deployment environment, applications in the second category should be bounded by certain H/W and S/W restrictions depending on their running environment. For example, image recognition in an autonomous vehicle requires low latency, while that on a mobile device requires low power consumption. In this paper, we describe issues faced by embedded applications and review popular inference engines. We also introduce a project that is being development to satisfy the H/W and S/W requirements.

Adolescents' Nutrient Intake Determined by Plate Waste at School Food Services (잔반 조사를 통한 중학생의 학교급식 영양섭취 실태 조사)

  • Lee Kyung-Eun
    • Korean Journal of Community Nutrition
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    • v.10 no.4
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    • pp.484-492
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    • 2005
  • The purposes of the study were to analyze nutrients of the menus served and to evaluate students' nutrient consumption at school food services. Three middle schools (boys, girls, and co-ed schools) were located in Seoul and Kyunggi Province. A weighed plate method was employed to measure plate wastes and consumption of the menus served. Data was collected for 3 consecutive days at each school. Nutrient analyses for the served and consumed menus were performed using CAN-PRO. On average the students consumed $67\%$ of the menus they were served. By menu category, the students consumed more than $90\%$ of the rice and one-dish foods they were served. Kimchis ($54\%$) and soups/stews ($55\%$) were the menu categories with the lowest consumption rates. The menus served at the boys and coed schools did not meet 1/3 of the recommended daily allowances (RDA) for calcium, iron, and vitamin $B_2$. Due to the plate wastes, the actual consumption of the boys school students did not meet the 1/3 RDA for calories, calcium, iron, vitamin A, vitamin $B_1$ vitamin $B_2$ and niacin. The menus served at the girls school exceeded the 1/3 RDA for all nutrients, but the actual consumption did not meet the 1/3 RDA for calcium, iron, and vitamin $B_2$. During the 3-day periods, the served and consumed menus provided $27\%$ and $24\%$ of energy from fat, which exceeded the recommended proportion of $20\%$. To improve nutrition management at school food services, dietitians should understand factors that influence students' consumption and implement nutrition education programs that emphasize balanced diets.

Change of Ammonia Consumption with Gas Turbine Output in DeNOx System for a 580 MW Combined Cycle Power Plant (580 MW급 복합발전소 탈질설비에서 가스터빈 출력에 따른 암모니아 소모량 변화)

  • Jang, Yong-Woo;Yoo, Ho-Seon
    • Plant Journal
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    • v.15 no.3
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    • pp.23-28
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    • 2019
  • In this study, ammonia consumption by gas turbine output was adjusted to find out the amount of ammonia consumption that complies with the enhanced Air Quality Preservation Act and internal regulation emission standards in SCR type DeNOx System for a 580 MW Sejong Combined Cycle Power Plant. For measurements, the gas turbine output was varied to 50, 99, 149, 198 MW and ammonia consumption was adjusted with the combustion gas and ammonia supply conditions fixed at each stage. When the emission limit were change from 10 ppm to 8 ppm, ammonia consumption was increased from 78, 93, 105, 133 kg/h to 89, 113, 132, 176 kg/h. The increase rate of ammonia consumption was 14, 22, 26, 32% per output category compared to the 10 ppm emission limit, which was shown to increase as output increased.

Beverage Consumption Patterns of Inhabitants in Seoul (서울 주거민의 음료섭취에 관한 조사 연구)

  • 김인수
    • Journal of Nutrition and Health
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    • v.20 no.4
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    • pp.281-288
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    • 1987
  • In this study we have evaluated daily beverage intake of the inhabitants in Seoul by a 24 hrs. recall procedure from 1145 respondents between pre-school children to adults in the period of June-July 1985. Estimates of consumption were made for each of seven beverage groups and comparisons were made within age, sex and body weight. Significant differences existed for certain beverage in each category analyzed. Total Fluid intake was greater for male than female at all ages and tended to be lower in the older age group with adjustment for differences in body weight. Milk was the major beverage among children while soft drinks were the predominant beverage for teen-ages. Alcoholic drinks represented the smallest component of daily fluid intake among women but were the second largest component of daily fluid levels for men over the age of 24 years.

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A study on the development strategy of home meal replacement in relation to the consumption trends (소비 트렌드에 따른 가정간편식 개발 전략)

  • Hong, Wan-Soo
    • Food Science and Industry
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    • v.50 no.3
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    • pp.2-32
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    • 2017
  • Due to the increasing demand for convenience and simplicity, Home Meal Replacement (HMR) has become a key trend in the food service industry. This study researched the current consumer trend and analyzed the national and international HMR product trend, aiming to find useful insights for the field. Results showed that in order to expand the HMR market demand, it is possible to consider diversifying the product category by making customized premium products, such as products for the elderly, infants, patients, and sports players, or products with enhanced nutritional fortification. From the industrial aspect, centralization through Central Kitchen (CK) and implementation of the scientific and advanced ISO and HACCP system are necessary. Lastly, to develop high value-added HMR products, it is deemed essential to utilize the so-called 'food tech', the technology which integrates core technologies of the fourth industrial revolution into the food industry.