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- 저자 : ( Ming Ming Chiu ) (검색결과 54 건)
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Sustainable Product and Supply Chain Design Decisions under Uncertainties
Ming-Chuan Chiu,Li-Wei Teng 한국정밀공학회 2013 International Journal of Precision Engineering and Vol. No.
Nowadays enterprises are forced to consider broader aspects while designing and manufacturing products. The scarcity of natural resources as well as stern environmental regulations have obliged enterprises to develop new products that can satisfy profit, people,and planet during its life cycle. In the last decade, many research efforts have incorporated supply chain and sustainability into product design. However, most of the studies provided deterministic based methodologies. Enterprises who intend to improve sustainability under various uncertainties couldn’t find an appropriate method. The method based on fuzzy set theory is proposed in this study to tackle the uncertainty of supply chain and highlight the sustainable design concepts considering product disassemblability, closed loop supply chain performance, and carbon footprint. A scooter company case study is presented to demonstrate the advantage of this methodology. Because the risk of impreciseness of data could be reduced, decision-makers only have to provide suitable regions to express the costs and lead-time instead of exact numbers. This method can support decision-makers to make the most sustainable decisions which contain both product and the closed loop supply chain design based on the concern of lead-time, cost, and carbon footprint. As a result, sustainable product and supply chain design under uncertainties can be addressed at the product design stage.
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Review of Sustainable Product Design from Life Cycle Perspectives
Ming-Chuan Chiu,Chih-Hsing Chu 한국정밀공학회 2012 International Journal of Precision Engineering and Vol. No.
Design stages have been widely recognized as a key phase in a product’s life cycle in implementing sustainability. Since the late 1990s, various sustainable design methods and techniques have been developed in response to the requirements of sustainable product development. Understanding what types of sustainable methods have been applied in which design phases is advantageous for determining future research directions. The main purpose of this study is to systematically review past studies on sustainable product design. These studies are categorized into different types according to a twodimensional framework. The ideas and limitations of representative approaches in each category are discussed. The results show important findings and implications.
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Ming-Chih Chiu,Tzu-Yu Chou,Mei-Hwa Kuo 한국응용곤충학회 2018 Journal of Asia-Pacific Entomology Vol.21 No.1
Freshwater ecosystems are affected by a variety of anthropogenic stressors. Temporal variability of bioticcommunities in these ecosystems makes it difficult to accurately assess the impacts of specific stressors, whichhas seldom been considered in understudied regions of Asia. We studied the seasonal effects of anthropogenicstressors on stream macroinvertebrates based on sampling every three months over two years at five stream sitesin central Taiwan. Several macroinvertebrate metrics (taxon richness, Shannon diversity index, and relativeabundance of Trichoptera) were lower during the wet season than the dry season. The presence of dams causedchanges in the structure of macroinvertebrate communities, decreased the seasonal variability in relativeabundances of Trichoptera, as well as resulted in lower dissolved inorganic nitrogen concentrations and largersubstrate size. The presence of urban areas had less or no influence on environmental factors and structuralchanges. However, significantly lower total abundance, taxon richness, and relative abundance of Trichopteraoccurred in the presence of either dams and/or urban areas. One key management implication from the presentstudy is that bioassessment utilizing macroinvertebrates should be facilitated by awareness of the potential roleof temporal factors on the effects of anthropogenic stressors, especially in monsoonal Asia.
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Jer Ming Chiu,So Gu Kim 한국지진연구소 2004 김소구 개인논문 Vol.3 No.-
Located between the very active Japan and Ryukyu subduction zones and the northern China plate, the Korea Peninsula has been considered a part of the stable Eurasia continent and is very quiet in seismic and tectonic activity. Although there were many significant damaging earthquakes reported in historical times, seismic hazard in Korea has long been overlooked. Modern earthquake activity in the Korean Peninsula is very low and is not well recorded, at least until 1998 when the modernization of the Korean National Seismic Network was implemented. Thus, modern earthquake data are not adequate for evaluating seismic hazard in the Korean Peninsula. On the other hand, the historical earthquake catalog, which includes documented earthquake information from around the Korean Peninsula and can be dated back to as early as A.D. 2, provides the only available long-term database for the investigation of temporal and spatial patterns of earthquake activity. The importance of seismic hazard assessment has significantly increased in modern times because of the precent construction of many critical facilities, such as nuclear power plants, supercomputer centers, large hospitals, and high-technology centers, throughout the entire Korean Peninsula. Although uncertainties on the historical earthquake locations and their magnitudes are expected to be large, information obtained from this historical earthquake catalog can ta least provide a long-term scientific basis for an estimation of seismic hazard in Korea. For the entire Korean Peninsula, seismic hazard is evaluated in terms of the spatial distribution of seismicity and relative seismic energy release over the 2000 years of the historical record. Results from our preliminary analysis clearly demoinstratc that seismic activity in the Korean Peninsula can be categorized into four prominent seismic zones, inside which seismic hazard is much higher than that in the surrounding regions. These four seismic zones include: (1) the western Korean seismic zone extending from Seoul to Pyongyang, which is characterized by a few concentrated regions of high seismicity and a high relative seismic energy release; (2) the eastern Korean seismic zone, which is characterized by a low seismic rate but a high relative seismic energy release from a few large historical events; (3) the northeastern Korean seismic zone, which is probably related to the deep Japan subduction-zone earthquake underneath northeast China and has a very low seismicity but a very high relative energy release; and (4) the southern Korean seismic zone, which is characterized by many scattered patches of high seismicity and a few zones of high seismicity and relative seismic energy release from a few large historical events. Among the three most seismically active regions near Pyongyang, Soeul, and Pusan, the probability of occurrence for and earthquake of magnitude grearter than 5.0 is estimated to be about 1%, 2% and 3% per year, respectively. Since significant damaging earthquakes (M>-7.0) have occurred in these three regions in historical times, an effective assessment of seismic hazard potential in the Pyongyang, Seoul, and Pusan regions cannot be overlooked.
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Health and Income Variation – A Panel Data Study on the Developed and Less Developed Economies
I-MING CHIU,TETSUJI YAMADA,CHIA-CHING CHEN 한국국제경제학회 2011 International Economic Journal Vol.25 No.2
In this paper, human capital in the form of ‘health status’ is introduced into a neoclassical economic growth model as one of the main factors differentiating rich and poor countries. Various panel data models are used to examine how health and other growth factors affect average income in different countries. Our main empirical finding indicates that a one-year increase in life expectancy (the health status measure) raises GDP per capita by 0.5–0.9%. Based on this result, a baseline health status can be established to help poor countries achieve a targeted economic growth rate.
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Peter Yat-Ming Woo,Jennifer Hiu-Fung Chiu,Kar-Ming Leung,Kwong-Yau Chan 대한척추외과학회 2014 Asian Spine Journal Vol.8 No.5
A 44-year-old woman with progressive cervical myelopathy and central cord syndrome was noted to have an extensive cervical intramedullary contrast-enhancing lesion on magnetic resonance imaging (MRI). The lesion resembled a spinal astrocytoma or ependymoma that required surgical intervention. She was subsequently diagnosed to have neuromyelitis optica (NMO), a rare idiopathic inflammatory demyelinating disorder, when the clinical examination revealed left optic atrophy. This was confirmed by a test showing seropositivity for NMO-immunoglobulin (IgG). Disease control was achieved with corticosteroids and immunosuppressive therapy. We report a rare case of a patient with NMO who had MRI features that could have easily led to the condition being misdiagnosed as a spinal cord tumor. The importance of careful history taking, awareness of typical radiological findings and the usefulness of serum NMO-IgG as a diagnostic tool are emphasized.
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