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Irvine, John T.S.,Bae, Joongmyeon,Park, Jun-Young,Choi, Won Seok,Kim, Jung Hyun Elsevier 2017 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY - Vol.42 No.2
<P><B>Abstract</B></P> <P>The electrochemical properties and long-term performance of an in-situ composite cathode comprised of SmBa<SUB>0.5</SUB>Sr<SUB>0.5</SUB>Co<SUB>2</SUB>O<SUB>5+δ</SUB> (SBSCO) and Ce<SUB>0.9</SUB>Gd<SUB>0.1</SUB>O<SUB>2−δ</SUB> (CGO91) are investigated for metal supported solid oxide fuel cell (MS-SOFC) application.</P> <P>The Area Specific Resistance (ASR) of an in-situ composite cathode comprised of 50 wt% of SBSCO and 50 wt% of CGO91 (SBSCO:50) is 0.031 Ω cm<SUP>2</SUP> in the first stage of measurement at 700 °C; this value of ASR increases to 0.138 Ω cm<SUP>2</SUP> after 1000 h. The ASR of SBSCO:50 (in-situ sample at 750 °C) is 0.014 Ω cm<SUP>2</SUP> at the initial stage of measurement; the increase of ASR after 1000 h at 750 °C is only 0.067 Ω cm<SUP>2</SUP>. These results suggest that the optimum temperature for in-situ firing of an SBSCO:50 cathode sample of MS-SOFC is higher than 700 °C, ideally around 750 °C.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Electrochemical properties of the in-situ SBSCO:50 cathode were investigated. </LI> <LI> The ASR values of in-situ cathode were 0.031 and 0.014 Ω cm<SUP>2</SUP> at 700 and 750 °C. </LI> <LI> The increase of ASR after 1000 h at 750 °C was found to be only 0.067 Ω cm<SUP>2</SUP>. </LI> </UL> </P>
Kyle Irvine,Russell Murphy,Dimitrios Coutsinos 대한내분비외과학회 2023 The Koreran journal of Endocrine Surgery Vol.23 No.4
Primary hyperparathyroidism is a common cause of hypercalcemia but is rarely caused by a parathyroid carcinoma. Supernumerary glands are also uncommon in the setting of recurrent disease. We present a case of an 87-year-old female who presented in a hypercalcemic crisis due to recurrent primary hyperparathyroidism. Imaging studies showed a large parathyroid adenoma in the superior mediastinum believed to be a supernumerary gland. She was taken for a joint operation with ear, nose and throat and thoracic surgery where she underwent a thoracoscopic resection of the gland. The lesion appeared to be locally invasive involving the mediastinal fat and azygous vein. Intraoperative parathyroid hormone (PTH) levels showed an appropriate drop and post-operative calcium levels normalised. Final pathology showed a 5 cm parathyroid adenoma which in the setting of her significantly elevated PTH and locally aggressive lesion would be consistent with a supernumerary parathyroid carcinoma.
광범위한 전단률에서 적용가능한 수정된 POWER LAW 유체에 대한 GRAETZ문제 해법
T.F. irvine, Jr 한국유변학회 1995 Korea-Australia rheology journal Vol.7 No.1
층류 열전달에서 작은 Reynolds number에서의 원통내의 흐름에대한 Power law 유 체의 해법이 사용될 수가 없는 것을 낮은 전단률(Shear Rate)에서 Power Law 법칙이 적용 되지 않기 때문이다. 본 연구에서는 이문제를 새로운 구성방정식을 이용하여 높은 전단률에 서는 Power Law 법칙이 낮은 전단률에서는 Newtonian 법칙이 그 중간에서는 천이과정을 모두 포함하는 전범위의 전단률에 대해 해결하였다. 이러한 구성방정식의 기본개졈은 실험 결과와도 잘 일치하였따. 이 구성방정식을 이용하여 Graetz 문제를 해결하였고 경계조건은 일정온도와 일정열속이다. 이용하기 쉬운 전단률변수는 적용범위가 Newtonian인지 Power law 인지 아니면 중간 천이과정인지를 나타내준다.
Divided Values, Shadow Languages: Positioning and Perspective in Linguistic Ideologies
Judith T. Irvine 한국외국어대학교 HK 세미오시스 연구센터 2018 Signs and Society Vol.6 No.1
“Linguistic ideology,” a field of inquiry opened by Michael Silverstein, has become a major topic in semiotically oriented disciplines. This article focuses on an important aspect of ideology (linguistic or otherwise): its connection with social positioning, point of view, and differentiation. Two sets of examples, mainly from fieldwork in Senegal, are drawn upon to illustrate that connection. One set concerns people living in the same community but differing in the ideologized values and projects through which they interpret linguistic practices. The other set concerns people who are relative strangers, speaking languages that are not their native tongues—in ways that can reveal Whorfian effects from the native language that rests in the background. Although these two sets of examples are initially drawn upon to emphasize different points, the article argues that they differ more in degree than in kind. Both illustrate how social positioning is tied to differences in ideologized interpretation and, more generally, that where there is ideology, there is differentiation.
Variance components estimation for farrowing traits of three purebred pigs in Korea
Lopez, Bryan Irvine,Kim, Tae Hun,Makumbe, Milton Tinashe,Song, Chol Won,Seo, Kang Seok Asian Australasian Association of Animal Productio 2017 Animal Bioscience Vol.30 No.9
Objective: This study was conducted to estimate breed-specific variance components for total number born (TNB), number born alive (NBA) and mortality rate from birth through weaning including stillbirths (MORT) of three main swine breeds in Korea. In addition, the importance of including maternal genetic and service sire effects in estimation models was evaluated. Methods: Records of farrowing traits from 6,412 Duroc, 18,020 Landrace, and 54,254 Yorkshire sows collected from January 2001 to September 2016 from different farms in Korea were used in the analysis. Animal models and the restricted maximum likelihood method were used to estimate variances in animal genetic, permanent environmental, maternal genetic, service sire and residuals. Results: The heritability estimates ranged from 0.072 to 0.102, 0.090 to 0.099, and 0.109 to 0.121 for TNB; 0.087 to 0.110, 0.088 to 0.100, and 0.099 to 0.107 for NBA; and 0.027 to 0.031, 0.050 to 0.053, and 0.073 to 0.081 for MORT in the Duroc, Landrace and Yorkshire breeds, respectively. The proportion of the total variation due to permanent environmental effects, maternal genetic effects, and service sire effects ranged from 0.042 to 0.088, 0.001 to 0.031, and 0.001 to 0.021, respectively. Spearman rank correlations among models ranged from 0.98 to 0.99, demonstrating that the maternal genetic and service sire effects have small effects on the precision of the breeding value. Conclusion: Models that include additive genetic and permanent environmental effects are suitable for farrowing traits in Duroc, Landrace, and Yorkshire populations in Korea. This breed-specific variance components estimates for litter traits can be utilized for pig improvement programs in Korea.
( Ian J. Irvine ),( William A. Sims ) 세종대학교 경제통합연구소 1993 Journal of Economic Integration Vol.8 No.1
This paper uses a disaggregated micro-model of the alcoholic beverage sector to investigate reforms of discriminatory pricing practices attributable to differential provincial markups and federal excise levies in Canada. The reform of markups has been demanded in a recent GATT ruling. We find that major changes in the structure of this industry could follow and that both provincial and federal government tax revenues respond to measures initiated by the other level of government. A cooperative tax reform strategy, which leaves each level of government with unchanged revenues, is then modeled. This entails major changes in trade patterns, relative outputs and producer revenues.