• Title/Summary/Keyword: Indicator values

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Calculation of an Indicator for Early Death Using Atomic Bomb Survivors' Data

  • Sasaki, Michiya;Fujimichi, Yuki;Yoshida, Kazuo;Iwasaki, Toshiyasu
    • Journal of Radiation Protection and Research
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    • v.47 no.1
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    • pp.22-29
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    • 2022
  • Background: A comprehensive, traceable, and easy-to-understand radiation risk indicator is desired for radiological protection. The early-onset hypothesis could be used for this purpose. Materials and Methods: An indicator for early death (IED) was developed and calculated using the epidemiological dataset from the 14th Report of the Life Span Study (LSS) of Hiroshima and Nagasaki. By clarifying the calculation process, IED for all-cause mortality was estimated. In addition, the characteristics of IED for solid cancer mortality and cardiovascular mortality as well as those of men and women, and their dependence on age at exposure were investigated for detailed analysis. Results and Discussion: The IED for all-cause mortality was estimated to be approximately 4 years for an acute radiation exposure of 1 Gy regardless of the fitting dose range. The cumulative death rate for all solid cancers also indicated the early-death tendency (approximately 7-10 years at 1 Gy). Although, there is a slight difference in the characteristics of the risk obtained from the LSS study and this study, it is considered that the IED in a unit of years can also be used to show the overall picture of risk due to radiation exposure. Conclusion: We developed and calculated the indicator for early death, IED, for the cumulative mortality rate of all causes of death, all solid cancers, and circulatory diseases. The quantitative values of IED were estimated to be 4 years for all causes of death, 7-10 years for all solid cancers. IED has an advantage for intuitively understanding the meaning of radiation risk since it can be obtained by a simple and traceable method.

Interrelationship Study about Pilotis space utilization in high-rise apartment complex and indicator values related with Space Syntax circulation -Focusing on Hwaseong Dongtan Newtown Area Apartment- (고층아파트단지 필로티 공간의 이용도와 공간구문론 동선관련 지표값과의 상관성 연구 -화성동탄신도시아파트를 중심으로-)

  • Song, Byung-Ha;Lee, Ki-Seok
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.8
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    • pp.5673-5682
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    • 2015
  • Purpose of this study is to examine and investigate the utilization of low-rise floor Pilotis space which is frequently selected as a major planning element in recent high-rise apartment complex and to identify the interrelationship between the placement of Pilotis space in the complex and space utilization frequency by comparing circulation related indicators of Connectivity, Control Value, Global Integration and Local Integration through Space Syntax axial analysis. Conclusions of this study are, first, Pilotis space is not used as a space to improve regional community consciousness because it is mostly used as a 'simple movement space'. Second, regarding space utilization frequency differences in Pilotis space in each apartment building, projecting entry access+pilotis addition type complex shows more significant utilization frequency than pilotis access type complex, and the vandalism phenomenon is observed more often. Third, Pilotis space utilization is related with Connectivity, Control Value, Global Integration and Local Integration which are circulation related indicators in Space Syntax, and Pilotis spaces with high indicator values over 2 tend to show higher utilization frequency and those with low indicator values over 2 tend to show low utilization frequency.

Intelligent Monitoring Network System (지능형 모니터링 네트웍 시스템 구성에 관한 연구)

  • 김영구;조현찬;김두용;전홍태
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2000.11a
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    • pp.393-398
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    • 2000
  • In this paper, we propose an Intelligent Monitoring Network System(IMNS) for the truck scale balance system. Truck scale balance system consis of three parts; Load cell part, Indicator part, and Junction box part. IMNS is attached to Junction box in truck scale balance system. Even if Load cell have been some problems, a truck scale balance system still has been run to determine, the values involved error. Therefore prosed system is has concentrated on Load cell part. Other Parts have been changed a portion of circuit for monitoring system.

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The Intelligent Monitoring System for a heavy weight scale (고 중량 측정 장치를 위한 지능형 모니터링 시스템)

  • 김영구;조현찬;정병우;김두용
    • Proceedings of the IEEK Conference
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    • 2000.11c
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    • pp.41-44
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    • 2000
  • In this paper, we propose an Intelligent Monitoring Network System(IMNS) for The truck scale balance system. Truck scale balance system consis of three parts; Load cell part, Indicator part, and Junction box part. IMNS is attached to Junction box in truck scale balance system. Even if Load cell have been some problems, a truck scale balance system still has been run to determine, the values involved error. therefore prosed system is has concentrated on Load cell part. Other Parts have been changed a portion of circuit for monitoring system.

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Longitudinal Variation of Fish Communities in the Geum River, Korea: Application of the Concept of Beta Diversity and Local Uniqueness

  • Kim, Jeong-Hui;Park, Sang-Hyeon;Baek, Seung-Ho;Hong, Donghyun;Jo, Hyunbin
    • Proceedings of the National Institute of Ecology of the Republic of Korea
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    • v.3 no.2
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    • pp.122-128
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    • 2022
  • To present the spatial variation of fish assemblages in the Geum River in Korea, the concept of beta diversity (β-diversity) estimates based on the variance of the community data table was applied. Fish communities and environmental variables were collected from 13 sampling sites along the in mid-low reaches of the River. We calculated the β-diversity and local contribution to beta diversity (LCBD) values at each site depending on the two types of data, 'occurrence' with Jaccard and Sørensen dissimilarity coefficients, and 'abundance' with Hellinger distance. Multivariate and correlation analyses were also performed to determine the relationships between LCBD and other variables, such as community indices and physicochemical and hydrological factors. The β-diversity values of fish communities in the River were estimated as 0.218 and 0.145 for occurrence data table with Jaccard and Sørensen respectively, and 0.268 for abundance data. Similar patterns of LCBD along the sampling sites were detected in two dissimilarity measurements of occurrence table, and LCBD values with abundance data were slightly different. The LCBD values are strongly correlated with community indices, and also suitable for indicating the uniqueness of fish assemblages. However, further research is needed to determine the LCBD value as an indicator of environmental variability.

An Integrated Approach for Position Estimation using RSSI in Wireless Sensor Network

  • Pu, Chuan-Chin;Chung, Wan-Young
    • Journal of Ubiquitous Convergence Technology
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    • v.2 no.2
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    • pp.78-87
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    • 2008
  • Received signal strength indicator (RSSI) is used as one of the ranging techniques to locate dynamic sensor nodes in wireless sensor network. Before it can be used for position estimation, RSSI values must be converted to distances using path loss model. These distances among sensor nodes are combined using trilateration method to find position. This paper presents an idea which attempts to integrate both path loss model and trilateration as one algorithm without going through RSSI-distance conversion. This means it is not simply formulas combination but a whole new model was developed. Several advantages were found after integration: it is able to reduce processing load, and ensure that all values do not exceed the maximum range of 16-bit signed or unsigned numbers due to antilog operation in path loss model. The results also show that this method is able to reduce estimation error while inaccurate environmental parameters are used for RSSI-distance conversion.

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Genetic Analysis of Direct and Maternal Effects for Calf Market and Carcass Weights in Japanese Black Cattle

  • Kitamura, C.;Yasuda, Y.;Kobayashi, T.;Nomura, T.;Shimada, K.
    • Asian-Australasian Journal of Animal Sciences
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    • v.12 no.6
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    • pp.843-845
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    • 1999
  • To evaluate direct and maternal effects on calf market weight (CMW) and carcass weight (CW) in Japanese Black cattle under an animal model, genetic parameters were estimated using 51,320 records of CMW and 11,944 records of CW, respectively. Direct and maternal heritabilities, and direct-maternal genetic correlation were estimated to be 0.22, 0.06 and 0.27 for CMW, and 0.23, 0.12 and -0.40 for CW, respectively. Correlation coefficient between maternal breeding values for CMW and CW was 0.521 for 157 sires appeared in both CMW and CW data sets. These results suggest that the maternal genetic effect on pre-weaning growth carries over to carcass weight. Maternal breeding values for both calf market weight and carcass weight could be used as the indicator traits of maternal ability in Japanese Black cattle.

OJIP분석을 이용한 식물의 환경스트레스 지표의 검색

  • O Soon Ja;Go Sug Chan
    • Proceedings of the Korea Society of Environmental Biology Conference
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    • 2002.11a
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    • pp.127-131
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    • 2002
  • The OJIP transients were investigated from leaves of Crinum asiaticum var. japonicum, Osmanthus insularis, Chloranthus glaber and Asplenium antiquum, in order to screen the indicators for quantification of environmental stresses and to apply them to the plant vitality test. The obvious diurnal changes or OJIP transients were found in Crinum asiaticum var. japonicum, Osmanthus insularis growing in sunny habitats, showing lower Fp and higher Fo in day time. The values of SF $I_{no}$ and P $I_{NO}$ increased dramatically in day time in leaves of Crinum asiaticum var. japonicum, Osmanthus insularis, and Asplenium antiquum. Although the value of RC/CS decreased slightly in day time in leaves of 4 tropica $l_tropical plants, the obvious diurnal changes or OJIP transients were not seen in winter, suggesting that tropica $l_tropical paints used in this research seemed to be irreversibly damaged in winter. However, the values of ETo/RC and Ψo/(1-Ψo) increased significantly in leaves of Crinum asiaticum var. japonicum, indicating that ETO/RC and Ψo/(1-Ψo) were useful as indicator parameters for scensing of low temperature.ature.

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Effects of Administration of CCl$_{4}$ on Liver Function in Rats 1. Clinical Signs and Blood Chemical Values (사염화탄소(CCI$_{4}$)의 투여가 쥐의 간기능에 미치는 영향 1. 임상증상 및 혈액화학치)

  • 강정부;이은석;허주헝
    • Journal of Veterinary Clinics
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    • v.14 no.2
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    • pp.268-272
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    • 1997
  • This study was performed to estimate the clinical signs and biochemical para meters of indicator on acute hepatic injury induced by the administration of CCl$_{4}$ in rats. Minor behavioral changer brittleness of skin hair and decreased volume of water and food intake were observed in rats after 2 hours of $CCl_{4}$ administration compared to control group. Concentration of serum albumin has shown lower than that of control group. However concentration of total bilirubin has shown higher than that of control group. As times go onto serum LDH activity was significantly increased compared to control Broup. Serum CPK activity hasn't shown change compared to control group. Passive hemagglutination that of afetoprotein was shown negative reaction in all the treatment groups and control group.

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Estimation of Risk from Air Pollution in the Underground Highway Proposed to Construct in Seoul, Korea

  • Lee, Ki-Young;Yukio-Yanagisawa
    • Journal of Korean Society for Atmospheric Environment
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    • v.9 no.E
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    • pp.397-400
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    • 1993
  • The possible air pollution problems in a proposed underground highway are discussed using carbon monoxide (CO) as an indicator. Carbon monoxide concentrations in the underground highway depend on several factors, including the size of tunnel, the number of automobiles, the CO emission rate, and the tunnel ventilation rate. Using the estimated values, CO concentrations in the underground highway can be predicted. Without proper ventilation system, CO concentration in the underground highway can be dangerous level. However, the cost of operating the mandatory mechanical ventilation system may be tremendouslyy high and may be technically unrealistic to implement. If the underground highway is constructed with proper ventilation system, a continuous air pollution monitoring system with alarming function must be installed to alert personnel of serious air pollution built up in the underground highway. Traffic must be restricted, whenever the inside air pollution levels exceed agreed values. Short distances between evacuation exits are necessary for emergency situations or malfunction of ventilation system.