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출생 후 빠르게 호전된 특발성 태아동맥관 수축과 동반된 우심실 부전
이두리 ( Doo Ri Lee ),안경진 ( Kyung Jin Ahn ),김기범 ( Gi Beom Kim ),권보상 ( Bo Sang Kwon ),배은정 ( Eun Jung Bae ),노정일 ( Chung Il Noh ) 대한주산의학회 2014 Perinatology Vol.25 No.4
Premature constriction of the ductus arteriosus is rare, but it can occur during fetal life idiopathically or secondaryto medications or structural lesions. Premature constriction of the ductus arteriosus can lead to progressive rightheart dysfunction, heart failure, subsequent hydrops fetalis, and even fetal death. Herein, we describe a case offetal ductus arteriosus constriction of unknown etiology with a severely enlarged and hypertrophied right ventricle,which resolved dramatically soon after birth.
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허태영,이두리,조중재,Heo, Tae-Young,Lee, Doo-Ri,Cho, Joong-Jae 한국통계학회 2012 Communications for statistical applications and me Vol.19 No.3
층화확률추출은 모집단을 어떤 층화기준에 의해 여러 층으로 분할한 다음 각 층으로부터 독립적으로 표본을 임의추출하는 방법으로 여러 가지 장점을 가지고 있어 실제 조사에서 많이 활용되고 있다. 본 연구에서는 대규모 표본조사에서 많이 사용하고 있는 층화확률추출을 사용하여 추출된 표본을 통해 모평균에 대한 붓스트랩 추정량과 신뢰구간 및 가설검정 등 통계적 추론에 대하여 연구하였다. 층화모집단에서의 모평균의 추정량과 관련된 극한 분포이론들을 기초로 붓스트랩 일치성을 근거로 층화 모평균에 대해 표준 붓스트랩 방법, 백분위수 붓스트랩 방법, 스튜던트화 붓스트랩 방법을 활용한 신뢰구간과 붓스트랩 가설검정 방법을 제안하였으며, 모의실험을 통해 신뢰구간 추정 방법들의 유효성을 확인하였다. In a stratified sample, the sampling frame is divided into non-overlapping groups or strata (e.g. geographical areas, age-groups, and genders). A sample is taken from each stratum, if this sample is a simple random sample it is referred to as stratified random sampling. In this paper, we study the bootstrap inference (including confidence interval) and test for a stratified population mean. We also introduce the bootstrap consistency based on limiting distribution related to the plug-in estimator of the population mean. We suggest three bootstrap confidence intervals such as standard bootstrap method, percentile bootstrap method and studentized bootstrap method. We also suggest a bootstrap test method computing the $ASL_{boot}$(Achieved Significance Level). The results of estimation are verified using simulation.
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박희연 ( Hee Yeon Park ),장주리 ( Joo Ri Jang ),남기호 ( Gi Ho Nam ),이두석 ( Doo Seog Lee ),윤호동 ( Ho Dong Yoon ),장미순 ( Mi Soon Jang ) 한국식품저장유통학회(구 한국농산물저장유통학회) 2011 한국식품저장유통학회지 Vol.18 No.4
The chemical components (e.g., proximate composition, nucleotide-related compounds, and amino-acid content) of raw, dried, and boiled giant squids were investigated. The moisture contents of raw, dried, and boiled giant squids were 75.65, 39.75, and 41.12%, respectively. The boiled giant squid had a higher moisture content than the dried giant squid. The crude protein contents of raw, dried, and boiled giant squids were 20.10, 56.25, and 49.58%, respectively, with that of the dried giant squid higher than that of the boiled giant squid. The crude lipid contents of the raw, dried, and boiled giant squids were 0.15, 0.57, and 1.35%, respectively, with the boiled giant squid having the highest crude lipid content. The crude ash content of raw, dried, and boiled giant squids were 1.68, 4.50, and 6.77%, respectively. IMP content was detected in the dried (1.21 mg/100 g) and boiled(0.25 mg/100 g) giant squids. In the sensory scores, the degree of bitterness, acidity, and aftertaste had lower values in the dried and boiled giant squids than in the raw giant squid. A total of 18 amino acids were detected in the samples, and most of the samples had high contents of glutamic acid, aspartic acid, proline, and arginine and low contents of histidine, tyrosine, and methionine. The free-amino-acid content was related to the taste component. The major free amino acid contained by the samples were hydroxyproline, alanine, arginine.
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