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홋카이도 남부 Warm Core Ring의 탄성파 반사법 영상화
( Mikiya Yamashita ),( Kanako Yokota ),( Yoshio Fukao ),( Shuichi Kodaira1 ),( Seiichi Miura1 ),( Katsuro Katsumata ) 한국지구물리·물리탐사학회 2011 지구물리와 물리탐사 Vol.14 No.1
A multi-channel seismic reflection (MCS) survey was conducted in 2009 to explore the deep crustal structure of the Pacific Plate south of Hokkaido. The survey line happened to traverse a 250-km-wide Warm Core Ring (WCR), a current eddy that had been generated by the Kuroshio Extension. We attempted to use these MCS data to delineate the WCR fine structure. The survey line consists of two profiles: one with a shot interval of 200mand the other with a shot interval of 50m. Records from the denser shot point line show much higher background noise than the records from the sparser shot point line. We identified the origin of this noise as acoustic reverberations between the sea surface, seafloor and subsurface discontinuities, from previous shots. Results showed that a prestack migration technique could enhance the signal buried in this background noise efficiently, if the sound speed information acquired from concurrent temperature measurements is available. The WCR is acoustically an assemblage of concave reflectors dipping inward, with steeper slopes (~2°) on the ocean side and gentler slopes (~1°) on the coastal side. Within the WCR, we recognised a 30-km-wide lens-shaped structure with reflectors on the perimeter.
Study on a Temperature Scale from 24,5561 K to 273,16 K by Comparison Calibration
Kazuaki Kodaira 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
A comparison calibration apparatus using a GM cryocooler was developed. This apparatus has the structure that temperature changes of the cryocooler do not conduct directly to improve the temperature stability. A practical temperature scale from 24,5561 K to 273,16 K was examined by using the comparison calibration apparatus. Generally, a standard platinum resistance thermometer (SPRT) is calibrated at the triple points of hydrogen, neon, oxygen, argon, mercury and water in the international temperature scale of 1990 (ITS-90) for this temperature range. In this work, a capsule type SPRT was calibrated by comparison calibration method at the temperature close to these fixed point temperature. And the temperature scale using the results of the comparison calibration was compared with the temperature scale defined in the ITS-90. As a result, two temperature scales corresponded within 1,5 mK.
Seismic reflection imaging of a Warm Core Ring south of Hokkaido
야먀스타 미키야,요코다 카나코,푸카시오 요시오,고다이라 슈이치,미우라 세이치,가츠마타 카츠로,Yamashita, Mikiya,Yokota, Kanako,Fukao, Yoshio,Kodaira, Shuichi,Miura, Seiichi,Katsumata, Katsuro Korean Society of Earth and Exploration Geophysici 2011 지구물리와 물리탐사 Vol.14 No.1
A multi-channel seismic reflection (MCS) survey was conducted in 2009 to explore the deep crustal structure of the Pacific Plate south of Hokkaido. The survey line happened to traverse a 250-km-wide Warm Core Ring (WCR), a current eddy that had been generated by the Kuroshio Extension. We attempted to use these MCS data to delineate the WCR fine structure. The survey line consists of two profiles: one with a shot interval of 200m and the other with a shot interval of 50 m. Records from the denser shot point line show much higher background noise than the records from the sparser shot point line. We identified the origin of this noise as acoustic reverberations between the sea surface, seafloor and subsurface discontinuities, from previous shots. Results showed that a prestack migration technique could enhance the signal buried in this background noise efficiently, if the sound speed information acquired from concurrent temperature measurements is available. The WCR is acoustically an assemblage of concave reflectors dipping inward, with steeper slopes (${\sim}2^{\circ}$) on th ocean side and gentler slopes (${\sim}1^{\circ}$) on the coastal side. Within the WCR, we recognised a 30-km-wide lens-shaped structure with reflectors on the perimeter.
Wu, Huali,Infante, Jeffrey R,Keedy, Vicki L,Jones, Suzanne F,Chan, Emily,Bendell, Johanna C,Lee, Wooin,Kirschbrown, Whitney P,Zamboni, Beth A,Ikeda, Satoshi,Kodaira, Hiroshi,Rothenberg, Mace L,Burris Dove Medical Press 2015 International journal of nanomedicine Vol.10 No.-
<P>IHL-305 is a PEGylated liposomal formulation of irinotecan (CPT-11). The objective of this study was to evaluate the factors associated with interpatient variability in the pharmacokinetics and pharmacodynamics of IHL-305 in patients with advanced solid tumors. IHL-305 was administered intravenously once every 4 weeks as part of a Phase I study. Pharmacokinetic studies of the liposomal sum total CPT-11, released CPT-11, SN-38, SN-38G, 7-ethyl-10-[4-N-(5-aminopentanoic acid)-1-piperidino]-carbonyloxycamptothecin, and 7-ethyl-10-[4-amino-1-piperidino]-carbonyloxycamptothecin in plasma were performed. Noncompartmental and compartmental pharmacokinetic analyses were conducted using pharmacokinetic data for sum total CPT-11. The pharmacokinetic variability of IHL-305 is associated with linear and nonlinear clearance. Patients whose age and body composition (ratio of total body weight to ideal body weight [TBW/IBW]) were greater than the median age and TBW/IBW of the study had a 1.7-fold to 2.6-fold higher ratio of released CPT-11 area under the concentration versus time curve (AUC) to sum total CPT-11 AUC. Patients aged <60 years had a 1.3-fold higher ratio of percent decrease in monocytes at nadir to percent decrease in absolute neutrophil count at nadir as compared with patients aged ≥60 years. There was an inverse relationship between patient age and percent decrease in monocytes at nadir, ie, younger patients have a higher percent decrease in monocytes. Patients with a higher percent decrease in monocytes at nadir have a decreased plasma exposure of sum total CPT-11. The pharmacokinetics and pharmacodynamics of IHL-305 are consistent with those of other PEGylated liposomal carriers. Interpatient variability in the pharmacokinetics and pharmacodynamics of IHL-305 was associated with age, body composition, and monocytes.</P>