• 제목/요약/키워드: Quantifying

검색결과 960건 처리시간 0.031초

Study on Method of Measurement for Stress-Easing Viewing Urban Greenery

  • Yamamoto, Satoshi;Iwasaki, Yutaka
    • 한국조경학회:학술대회논문집
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    • 한국조경학회 2007년도 Journal of Landscape Architecture in Asia Vol.3
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    • pp.84-88
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    • 2007
  • When people recognize a landscape, they first need to see it for a definite period time. This study clarified the way green space in a landscape is recognized using eye movement analysis, and evaluated the Pffi9bility for quantifying stress-reducing effects of seeing a landscape. The results of the experiments on eye movement analysis suggest that the way of recognizing green space in a landscape may depend on a ratio of the amount of scenic greenery in a landscape, color and greenery layout. Especially, this study also suggests that the possibility of the greenery layout guiding eye movement could be verified by conducting a study on planting patterns. In addition, the results of the experiments for quantifying stress-reducing substances found that it is likely that a green space in an urban area has stress-reducing effects.

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중국 황도화(黃島話)의 'NP1+VP+기(起)+NP2'구문에 관한 초보적 고찰

  • 채춘옥
    • 중국학논총
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    • 제63호
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    • pp.65-90
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    • 2019
  • In Huangdao Dialect, the "NP1+VP+起+NP2" sentence structure can not only be used with monosyllabic and bisyllabic adjectives and active adjectives, but also with passive adjectives. The usage of the VP is broader in Huangdao Dialect than in Qingdao dialect in case it is a verb phrase. The negative of "NP1+VP+起+NP2" sentence structure uses "不" or "沒有." If common comparative element can be found between NP1 and NP2, the negative particles are used at the beginning of the sentence in general to generate topic sentences. NP1 is often a common noun, modifying phrase, and quantifying phrase, while it can also be a verb-object phrase or modifying phrase. Huangdao Dialect may exhibit specific quantifying phrases that express comparative differences. The inquisitive style of "NP1+VP+起+NP2" sentence structure include appending a question mark at the end of the sentence, combining the positive and negative forms of the adjective, and appending "'是沒" or "是不是" in the front of the adjective.

Quantifying Values from BIM-projects life cycle with cloud-based computing

  • Choi, Michelle Mang Syn;Kim, Inhan
    • 국제학술발표논문집
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    • The 6th International Conference on Construction Engineering and Project Management
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    • pp.271-275
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    • 2015
  • A variety of evaluation application and initiatives on the adoption of Building Information Modelling (BIM) have been introduced in recent years. Most of which however, focused mainly on evaluating design to construction phase-processes, or BIM utilization performances. Through studying existing publications, it is found that continuous utilization of BIM data throughout the building's life cycle is comparatively less explored or documented. Therefore, this study looks at improving this incomplete life cycle condition with the concept that accumulated BIM data should be carried forward and statistically quantified for cross comparison, in order to facilitate practitioners to better improve the projects the future. Based on this conceptual theory of moving towards a closedloop BIM building life cycle, this study explores, through existing literature, the use of cloud based computing as the means to quantify and adaptively utilize BIM data. Categorization of BIM data relations in adaptive utilization of BIM data is then suggested as a initial step for enhancing cross comparison of BIM data in a cloud environment.

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화학공장의 안전성 평가에 관한 고찰

  • 박창복
    • 방재기술
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    • 통권16호
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    • pp.28-40
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    • 1994
  • This objective of safety assessment is to determine the acceptability of risks of hazards, or the coping measures, if not acceptable, by identifying and quantifying the risks potentially involved in incidents, with the information of new technology and the disasterous cases.

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실물옵션에 의한 민간투자사업 사업타당성 평가 : 초과수익분배비율 및 최소수입보장비율 가치 정량화 (Estimating Profitability of Private Finance Investment Using Real Option : Quantifying Value of Overturn Share Ratio and Minimum Revenue Guarantee)

  • 정우용;구본상;한승헌
    • 한국건설관리학회:학술대회논문집
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    • 한국건설관리학회 2008년도 정기학술발표대회 논문집
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    • pp.606-609
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    • 2008
  • 현재 민간투자사업의 경제적 타당성 평가는 현금흐름할인률(Discounted Cash Flow : DCF)에 의한 현재가치(Net Present Value : NPV)와 정부지원금 크기로 평가되고 있으나 실제 수익성에 중요한 영향을 미칠 수 있는 초과수익에 대한 정부와 민간의 초과수익분배 비율과 최소수입보장(Minimum Revenue Guarantee: MRG)의 영향은 제대로 고려되고 있지 못하다. 동일한 NPV라고 할지라도 변동성(Volatility)의 크기에 따라 투자타당성이 크게 달라질 수 있음에도 불구하고 이를 고려하고 있지 않은 이유는 낙찰 또는 수익성을 위해 예상수익을 고의적으로 과대 또는 과소평가하는 기회주의적 입찰(Opportunistic Bidding) 뿐만 아니라 이 변수들의 가치를 정량적으로 평가하는 방법이 제시되지 않았기 때문으로 사료된다. 따라서 본 연구에서는 초과수익분배 비율과 최소수입보장비율 변수들을 고려한 수정이항 실물옵션모형을 제시한 뒤 각 요소에 의해 투자타당성이 어떻게 변화하는지를 고찰하였다. 민간투자 사업에서 협상 변수가 될 수 있는 이 요소를 옵션가치로 환산하는 것은 발주자 입장에서는 정부지원금의 축소를 유도할 수 있으며 사업자 입장에서는 수익성을 보다 실질적으로 예측하도록 하는 유효한 수단이 될 수 있을 것이다.

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정량화 이론을 활용한 논픽션 창작도구 모델 연구 : <소트 오피스> 및 <스토리헬퍼> 비교분석 중심으로 (A Study Based on Quantifying Theory for a Non-fiction Creation Tool : Focus on Comparative Analysis of and )

  • 류철균;박은경
    • 한국콘텐츠학회논문지
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    • 제16권3호
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    • pp.247-256
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    • 2016
  • 본 논문은 기존 디지털 서사 창작도구가 허구적 서사를 중심으로 한 엔터테인먼트 스토리텔링 분야에 편향되었음을 지적하고, 논픽션 저작에 특화된 창작도구를 제안하고자 한다. 이를 위해 디지털 창작도구에서 서사 정보를 수치화하는 알고리즘인 정량화 이론을 살펴보고, 정량화 이론을 바탕으로 한 가십 시스템 개념을 활용한다. 논픽션을 위한 가십 시스템 설계에 앞서, 가십 시스템 개념을 통해 <소트 오피스>와 <스토리헬퍼>를 비교 분석하였다. 그 결과 <소트 오피스>의 연동형 구조는 논픽션의 제재를 찾는 창작 발상 단계에 유용하며, <스토리헬퍼>의 분리형 구조는 이야기 구조를 조직하는 제재 배열 단계에 적합함을 알 수 있었다. 이에 본 논문은 가십 시스템의 두 구조 간 적절한 결합을 통해 창작 소재인 사실 정보를 이야기로 전환하는 방식을 제시함으로써 논픽션에 적합한 디지털 서사 창작도구를 가정하는 바이다.

도시가스 배관의 위험평가 방법론 제시 (An Approach to Risk Assessment of City Gas Pipeline)

  • 박교식;이진한;조영도;박진희
    • 한국가스학회지
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    • 제7권1호
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    • pp.33-40
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    • 2003
  • 본 연구에서는 위험을 등급화하여 검사대상 및 주기를 결정하여 투자비용기 효용성을 높이는 기술의 접근방법을 도입하여, 위험의 정도뿐만 아니라 위험의 양(손실비용)을 평가 할 수 있는 활용 방법을 제시하였다. 위험의 정량화를 위해 가스배관의 손상확률과 영향을 예측하는 방법이 필요한데 손상확률의 경우 사고원인을 굴착공사, 외부부식, 지반침하 및 장치손상으로 구분하였고, 그 각각의 원인에 대해 사고발생빈도를 구하는 방법을 제시하였으며 영향을 예측하기 위하여 가스의 누출시 주로 피해를 유발하는 화제에 대해 사망, 화상 및 건물에 피해를 줄 수 있는 경우 그 피해범위를 산정하는 방법을 제시하였다. 또한, 이 확률과 영향을 결합하여 위험비용을 예측하는 방법과 그 결과를 예시하였는데 이 기술은 경제적인 측면을 고려한 종합적 안전관리 기술로서 위험관리가 중요한 도시가스업계에 적용된다면, 위험을 줄일 수 있는 최적의 위험감소 전략 수립에 유용한 정보를 제공할 수 있다.

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광물산업의 국가온실가스배출계수 정량·평가항목 가중치에 관한 연구 (A Study on the Quantitative and Evaluation Weights of National Greenhouse Gas Emission Factors in the Mineral Industry)

  • 윤영중;조창상;전의찬
    • 한국기후변화학회지
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    • 제9권1호
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    • pp.81-90
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    • 2018
  • "The Framework Act on Low-Carbon Green Growth" specifies the requirements for the development and verification of emission factors for establishing reliable national greenhouse gas statistics. The scope of the regulations covers the development and validation of energy, industrial processes, solvents and other product use, agriculture, land use, land use change and emission and absorption coefficients of the forestry and waste sector as defined in the 1996 IPCC Guideline and GPG 2000, The minerals sector to be covered in this study belongs to industrial processes. As a representative method for quantifying and evaluating GHG emission factors, there are emission grade quality grading and DARS (Data Rating Rating System) in the 'Procedures for Preparing Emission Factor Documents (1997)' reported by US-EPA. However, the above two methods are not specific and comprehensive, and lack the details for accurate emission factor verification. Therefore, there is a need for a method for verifying and quantifying certified greenhouse gas emission factors that reflects characteristics of each industry sector in Korea and accord with IPCC G/L and GHG target management. In this study, we conducted a weighted study on quantitative and evaluation lists of emission factor using questionnaires to develop a more accurate methodology for quantifying national greenhouse gas emission factors in the mineral sector. Quantification and evaluation of emission factor are classified into essential verification and quality evaluation. The essential verifications are : administrative compatibility, method of determining emission factors, emission characteristics, sampling methods and analysis methods, representativeness of data. The quality evaluations consisted of the quality control of the data, the accuracy of the measurement and analysis, the level of uncertainty, not directly affect the emission factor, but consisted of factors that determine data quality.

Reliability of Quantifying Maximal Mouth Opening and Lateral Mandibular Shift in Individuals With and Without Temporomandibular Disorder Using Three-dimensional Ultrasound-based Motion Analysis

  • Oh, Jae-seop;Kim, Si-hyun;Kyung, Moon-su;Park, Kyue-nam
    • 한국전문물리치료학회지
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    • 제26권3호
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    • pp.99-105
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    • 2019
  • Background: Although magnetic resonance imaging is accurate, it is expensive to measure the movement of temporomandibular joint. The three-dimensional (3D) motion analysis system is an inexpensive measurement tool. Objects: This study examined the reliability of quantifying the mouth opening and lateral mandibular shift and differences between individuals with and without temporomandibular disorder (TMD) using the hygienic method of surface markers on the skin with 3D ultrasound-based motion analysis. Methods: This study included 24 subjects (12 with and 12 without TMD). Temporomandibular joint motion during mouth opening was recorded using two surface markers with 3D ultrasound-based motion analysis. An intraclass correlation coefficient [ICC (3,k)] was used to confirm the intrarater reliability of quantifying kinematic temporomandibular joint motion, and an independent t-test was used to evaluate differences in maximal mouth opening and lateral mandibular shift between the two groups. Results: Assessment of mouth opening and lateral mandibular shift showed excellent test-retest reliability with low standard error of measurement. The lateral mandibular shift and opening-lateral mandibular shift ratio were significantly increased in the TMD group during maximum mouth opening (p<.05). However, no significant difference in maximal mouth opening was observed between the groups with and without TMD (p>.05). Conclusion: This hygienic and simple surface marker method can be used to quantify the mouth opening and lateral mandibular shift at the end-range of mouth opening. The TMD group showed an increased lateral mandibular shift movement at the end-range of mouth opening. The lateral mandibular shift movement can be regarded as a symptom in the diagnosis and treatment of TMD.