• Title/Summary/Keyword: Quantification II

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The Evaluation of Failure Factors on Cutting Slopes of Forest Road by Quantification Theory(II) (수량화 II 류에 의한 임도절토사면의 붕괴요인 평가)

  • Cha, Du-Song;Ji, Byoung-Yun
    • Journal of Forest and Environmental Science
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    • v.18 no.1
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    • pp.7-14
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    • 2001
  • On the basis of data obtained from forest road collapsed due to a heavy rainfall, this study carried out to evaluate the cutting slope failure factors of forest road by using Quantification theory(II). The results were summarized as follows. The factors on cutting slope failure was ranked in the order of cutting slope length, soil type, aspect, cutting slope gradients and slope gradients. And the slope failure was mainly occurred under such conditions as cutting slope length longer than 8m, soil type with soil, aspect of N, cutting slope gradients steeper than 600 and slope gradients greater than $35{\sim}40^{\circ}$.

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A Study on the Development and Applicative Estimation of Safety Evaluation Model for Water Supply Pipelines using Quantification Theory Type II (수량화II류이론을 활용한 상수도관로의 안전성 평가 모델 개발 및 적용성 평가 연구)

  • Kim, Kibum;Shin, Hwisu;Seo, Jeewon;Koo, Jayong
    • Journal of Korean Society of Water and Wastewater
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    • v.30 no.1
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    • pp.59-67
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    • 2016
  • Owing to time and cost constraints, new methods that would make it possible to evaluate the safety of the water supply pipeline in a less time- and cost-consuming manner are urgently needed. In response to this exigency, the present study developed a new statistical model to assess the safety of the water supply pipeline using the quantification theory type II. In this research, the safety of the water supply pipeline was defined as 'a possibility of the pipeline failure'. Quantification analysis was conducted on the qualitative data, such as pipe material, coating, and buried condition. The results of analyses demonstrate that the hit ratio of the quantification function amounted to 77.8% of hit ratio, which was a fair value. In addition, all variables that were included in the quantification function were logically valid and demonstrated statistically significant. According to the results derived from the application of the safety evaluation model, the coefficient of determination ($R^2$) between K-region's water supply pipeline safety and the safety inspection amounted to 0.80. Therefore, these findings provide meaningful insight for the measured values in real applications of the model. The results of the present study can also be meaningfully used in further research on safety evaluation of pipelines, establishing of renewal prioritization, as well as asset management planning of the water supply infrastructure.

Practical Guide to NMR-based Metabolomics - II : Metabolite Identification & Quantification

  • Jung, Young-Sang
    • Journal of the Korean Magnetic Resonance Society
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    • v.22 no.1
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    • pp.10-17
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    • 2018
  • Metabolite identification and quantification are one of the foremost important issues in metabolomics. In NMR based metabolomics, mainly one-dimensional proton NMR spectra of biofluids, such as urine and serum are measured. However, it is not always easy to identify and quantify metabolites in one-dimensional proton NMR spectra. This article introduces useful public metabolite databases, metabolic profiling software, and articles.

Evaluation of the Signal Word Cognition using Quantification Methods (수량화 분석을 이용한 신호단어의 인식도 평가)

  • 고병인;김동하;임현교
    • Journal of the Korean Society of Safety
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    • v.15 no.4
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    • pp.134-138
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    • 2000
  • Signal words such as DANGER, WARNING, CAUTION, etc. have been used in order to transmit a potential hazard easily and quickly. But they were applied to a number of the sites without consistency. Thus, this study took Quantification Method and Cluster Analysis in order to judge the signal words corresponding to the urgency of situations, and to analyze whether signal words are used properly or not. According to the result of Quantification Method II signal words were most affected by Understanding, Severity and Likelihood in both student group and industrial worker group. And in Quantification Method III CAUTION corresponded to Immediacy and Understanding whereas NOTICE did to Receptivity, WARNING, DEADLY and DANCER did to Likelihood, Dangerousness and Severity. Finally, Cluster Analysis showed that CAUTION and NOTICE were recognized as similar words.

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Symmetric Paths: Their Structures and Relations

  • Nam, Seungho
    • Language and Information
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    • v.17 no.1
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    • pp.1-16
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    • 2013
  • The goal of this paper is two-fold: (i) the paper aims to characterize unique semantics of so called "symmetric" locatives like across the street - this will provide a guiding semantics for annotating a variety of paths; and (ii) the paper claims that we need "symmetric" paths to give a unified account of the various semantic effects of symmetric locatives. The paper illustrates several semantic effects induced by symmetric locatives: (i) symmetric underspecification, (ii) path-/event-quantification, (iii) static symmetric relations, and (iv) the symmetric inference by the adverb back. The paper defines the semantic class of symmetric locatives, and accounts for the symmetry effects in terms of properties and relations of Path Structure proposed by Nam (1995).

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The Study to Diagnose the Road-Driver Compatibility II: Data Collection, Variable Selection and Parameter Quantification (운전자 주행 적합성 진단을 위한 연구 II: 생체신호 추출, 선정 및 정량화)

  • Kim, Jung-Yong;Yoon, Sang-Young;Park, Ji-Soo
    • Journal of Korean Institute of Industrial Engineers
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    • v.30 no.1
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    • pp.50-57
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    • 2004
  • The aim of this study is to collect driver's psychophysiological signal under various road condition and to select and quantify psychophysiological variables for diagnosis of road-driver compatibility. A 4x4 vehicle with measuring devices was developed to collect driver's psychophysiological signal and collected driver's psychophysiological signal under various road conditions. The collected data were analyzed by the temporal pattern of signal overtime. Thirteen bio-signals with consistent pattern were selected and quantified in terms of slope and amplitude of the signal. These quantified values could be used as a part of tool to diagnose the road-driver compatibility.

Elevated Expression of Maspin mRNA as a Predictor of Survival in Stage II and III Gallbladder Cancer Cases

  • Baghel, Kavita;Kazmi, Hasan Raza;Raj, Saloni;Chandra, Abhijit;Srivastava, Rajeshwar Nath
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.1
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    • pp.343-347
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    • 2014
  • Background: Maspin expression is a potential prognostic factor for various malignancies but its relation with gallbladder cancer is unknown and needs to be investigated needs to be investigated. We therefore here focused on maspin mRNA expression in normal, gall stone disease and gallbladder cancer subjects, with particular attention to prognostic importance in individuals with malignancies. Materials and Methods: This study was carried out at the Department of Surgical Gastroenterology, King George's Medical University, Lucknow, India. Gallbladder samples from normal (n=25), gall stone disease (n=25) and cancer patients (n=38) were analysed for maspin mRNA expression by semi-quantitative reverse transcriptase PCR and quantitative real time PCR. Statistical analysis was carried out using the Students t test or ANOVA. Survival analysis was conducted according to the Kaplan-Meier method and correlations were assessed using the Pearson correlation method. p<0.05 was considered statistically significant. Results: Significant increase (p=0.028) in expression of maspin mRNA was observed in gallbladder cancer as compared to gall stone disease, whereas no expression was found in normal tissues. Significant correlation (Pearson's coefficient(r)=-0.798, p<0.0001) was observed between relative quantification of maspin mRNA and survival of cancer patients after surgery, with significantly shorter (p=0.002) survival in patients having relative quantification >1.5 as compared to those having relative quantification <1.5. Similarly, significant differences in patient survival for maspin mRNA expression was observed for stage II (p=0.025) and III (p=0.011) cancer. Conclusions: Higher expression of maspin mRNA in gallbladder cancer has prognostic significance for stage II and III cancer, which needs to be investigated further.

Prediction Modeling through Quantification for Qualitative Variables (질적변수에 대한 계량화를 통한 사면붕괴 예측모형)

  • Na, Jong-Hwa;Yu, Hye-Kyung;Nam, Eun-Mi;Cho, Wan-Sup
    • Journal of Korea Society of Industrial Information Systems
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    • v.14 no.5
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    • pp.281-288
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    • 2009
  • The purpose of this paper is to provide the statistical models for landslide prediction through quantification and AHP methods. Quantification method is a statistical method of providing quantity to qualitative variables by analyzing the observed data. In this paper, we suggest the quantification process based on the results of cannonical correlation analysis. In contrast with the quantification method which is based on given data the AHP(Analytic Hierarchy Process) technique is a kind of method based on questionaire data which is usually taken from professionals. We analyze both the real data(provided from KIGAM) and questionaire data collected from professionals of various related area. We developed two kinds of evaluation table which provide the scores of land slide possibility and the logistic model providing the probability of occurring landslide. Finally we compare the performance and evaluate the stability of the suggested two models.

Detection and Quantification of Methanogenic Communities in Anaerobic Processes Using a Real-Time PCR

  • Yu Youngseob;Hwang Seokhwan
    • Proceedings of the Microbiological Society of Korea Conference
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    • 2003.05a
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    • pp.118-121
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    • 2003
  • A method for detection and quantification of aceticlastic methanogens using a real-time PCR with a TaqMan probe was developed. Two sets of primers and probes targeting the family Methanosarcinaceae and Methanosaetaceae were designed by using the Ribosormal Database Project (RDP) II, and softwares for phylogenetic probe design and sequence analysis. Target-group specificity of each set of primers and probe was verified by testing DNAs isolated from pure cultures of 28 archaeal strains purchased from DSMZ. Cell numbers in the 28 archaeal cultures and in the samples from anaerobic processes were quantified using a real-time PCR with the sets of primers and probe. In conclusion, the real-time PCR assay was very specific for the corresponding target methanogenic family and was proved to be a powerful method for quantification of aceticlastic methanogens in anaerobic processes.

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Validation of a Real-Time RT-PCR Method to Quantify Newcastle Disease Virus (NDV) Titer and Comparison with Other Quantifiable Methods

  • Jang, Juno;Hong, Sung-Hwan;Kim, Ik-Hwan
    • Journal of Microbiology and Biotechnology
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    • v.21 no.1
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    • pp.100-108
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    • 2011
  • A method for the rapid detection and quantification of Newcastle disease virus (NDV) produced in an animal cell culture-based production system was developed to enhance the speed of the NDV vaccine manufacturing process. A SYBR Green I-based real-time RT-PCR was designed with a conventional, inexpensive RT-PCR kit targeting the F gene of the NDV LaSota strain. The method developed in this study was validated for specificity, accuracy, precision, linearity, limit of detection (LOD), limit of quantification (LOQ), and robustness. The validation results satisfied the predetermined acceptance criteria. The validated method was used to quantify virus samples produced in an animal cell culture-based production system. The method was able to quantify the NDV samples from mid- or late-production phases, but not effective on samples from the early-production phase. For comparison with other quantifiable methods, immunoblotting, plaque assay, and tissue culture infectious dose 50 ($TCID_{50}$) assay were also performed with the NDV samples. The results demonstrated that the real-time RT-PCR method is suitable for the rapid quantification of virus particles produced in an animal cell-culture-based production system irrespective of viral infectivity.