• Title/Summary/Keyword: COR

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Cor Triatriatum Dexter Complicated with Pulmonic Stenosis and Patent Foramen Ovale in A Pitbull Terrier Puppy (핏불테리어종 자견에서 폐동맥 협착과 난원공 개존증이 합병된우측 삼중심방증)

  • Choi, Ran;Lee, Dong-Guk;Choi, Hyun-Seok;Hyun, Changbaig
    • Journal of Veterinary Clinics
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    • v.31 no.2
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    • pp.112-116
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    • 2014
  • A 2-month-old intact male Pitbull terrier (weighing 1.01 kg) were referred with primary complaints of severe abdominal distension, exercise intolerance, retarded growth, yellow nasal discharge and anorexia. Diagnostic imaging studies found enlarged right atrium partitioned by abnormal membrane, severe pulmonic systolic jets (5.66 m/s of peak velocity) and right-to-left blood shunt at the inter-atrial septum. Based on clinical and diagnostic findings, the case was diagnosed as cor triatriatum dexter complicated with severe pulmonic stenosis and right-to-left shunted patent foramen ovale. Either surgical or interventional therapy has not been attempted, because of unstable patient's condition. Using blood transfusion, oxygen supply and cardiac medications (i.e., sildenafil, spironolactone, enalapril), the dog was recovered.

A Study on Status and Utilization of Korean Rare Books in Collège de France (꼴레쥬 드 프랑스 소장 한국 고서의 현황과 활용방안)

  • Lee, Hye-Eun;Lee, Hee-Jae
    • Journal of the Korean Society for Library and Information Science
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    • v.45 no.4
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    • pp.235-251
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    • 2011
  • The aim of this article is to outline the history and importance of the Korean rare books in Coll$\grave{e}$ge de France. With this purpose in mind, the historical background and the process of how these books came to Coll$\grave{e}$ge de France were studied through cataloguing the list, and then analyzing them by subject, printing type, and timeline. We examined the relationship between the private collections of Maurice Courant(1865-1935) and the Korean rare books held in Coll$\grave{e}$ge de France. The Bibliographie Cor$\acute{e}$enne written by Maurice Courant is the most important reference book for studying the publication of the late Joseon dynasty and finding the whereabouts of the Korean books in France. Also, we tried to figure out the best way to implement and make use of a bibliographic database, and contribute to the exploration and study of Korean Cultural Heritage scattered outside Korea.

Anti-hyperglycemic and Anti-hyperlipidemic Effects of the Triterpenoid-Rich Fractions from Rubus coreanus and Rubus crataegifolius and Their Main Component, Niga-ichigoside $F_1$, in Streptozotocin-induced Diabetic Rats

  • Choi, Jong-Won;Yoo, Yeong-Min;Kim, Min-Young;Nam, Jung-Hwan;Nugroho, Agung;Park, Hee-Juhn
    • Natural Product Sciences
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    • v.14 no.4
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    • pp.260-264
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    • 2008
  • To find the antidiabetic activity of the tripterpenoid-rich fractions of Rubus coreanus (TRF-cor) and R. crataegifolius (TRF-cra) leaves or its main component niga-ichigoside $F_1$ (Niga-$F_1$), anti-hyperglycemic and antihyperlipidemic effects were investigated in the diabetic rat model induced by streptozotocin (STZ). Treatments of rats with 200 mg/kg of the TRF-cor, TRF-cra (each, p.o.) or 20 mg/kg of Niga-$F_1$ significantly inhibited the increase of blood glucose concentration about 44.8%, 28.7% or 20.6%, respectively, in the diabetic rats. In addition, treatments with those fractions inhibited the increase of serum concentrations of triglyceride, total cholesterol or LDL-cholesterol caused by STZ. The inhibitory rate on atherogenic index (AI) values of the TRFcor (200 mg/kg), TRF-cra (200 mg/kg) or Niga-$F_1$ (20 mg/kg)-treated groups were decreased about 55.7%, 36.3% or 22.6%, respectively, comparable to STZ-treated group. In the oral glucose tolerance test, treatment of TRF-cor or TRF-cra inhibited the increase of blood glucose concentration in the STZ-induced rats. Administration of 20 mg/kg of Niga-$F_1$ (p.o.) also exhibited similar effects with the effects of both TRFs at 200 mg/kg dose (p.o.). These results support that the triterpenoids, in particular Niga-$F_1$, are contributed to the antidiabetic effects of R. coreanus or R. crataegifolius.

Phonological Characteristics of Russian Nasal Consonants (러시아어 비음의 음운적 특성)

  • Kim, Shin-Hyo
    • Cross-Cultural Studies
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    • v.39
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    • pp.381-406
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    • 2015
  • Russian nasal consonants / m /, / n / have a feature value not only [+consonant] in common with obstruents, but also [+sonorant] in common with vowels. Nasal / m /(bi-labial) and / n /(dental) have the same place of articulation but different manner of articulation. The feature value of / m / is [+cons, +son, +nas, +ant, -cor, -high, -low, -back, -cont, -del, rel, -strid, +voic], and that of / n / is [+cons, +son, +nas, +ant, +cor, -high, -low, -back, -cont, -del, rel, -strid, + voic]. There is a difference in feature [cor] value of / m / and / n /. In this study it is confirmed that it is a fact that the Russian nasal consonants behave differently from the other consonants in each phonological phenomenon due to their phonological characteristics. The preceding voiced obstruent is changed to an unvoiced one in a process where the last voiceless obstruent in the consonant cluster ' voiced obstruent + nasal /m/ + voiceless obstruent' skips the nasal consonant and spreads its feature value to the preceding voiced obstruent transparently because of the feature [+sonorant] of the nasal consonant. The coronal nasal /n/ participates in a palatalization with the following palatal actively and palatalize preceding plain consonants passively because of markedness hierarchy such as 'Velar > Labial > Coronal'. But the labial nasal /m/ is palatalized with the following velar palatal actively and participates in a palatalization with the following coronal palatal passively. This result helps us confirm the phonological difference of /m/ and /n/ in a palatalization. When the a final consonant is nasal, the unvoicing phenomenon of a final consonant doesn't occur. In such a case as cluster 'obstruent + nasal' the feature value [voiced] of the preceding obstruent doesn't change, but the following nasal can assimilate into the preceding obstruent. When continuing the same nasals / -nn- / in a consonant cluster, the feature value [+cont] of a weak position leads the preceding nasal / n / to be changed into [-cont] / l /. Through the analysis of the frequency of occurrences of consonants in syllabic onsets and codas that should observe the 'Sonority Sequence Principle', the sonority hierarchy of nasal consonants has been confirmed. In a diachronic perspective following nasal / m /, / n / there is a loss of the preceding labial stop and dental stop. But in clusters with the velar stop+nasal, the two-component cluster has been kept phonetically intact.

Evaluation of Korean Water Quality Standards in Winter by Characteristics and Statistical Analyses of the Effluent Water Quality at the Sewage Treatment Plants in Korea (우리나라 공공하수처리시설의 방류수 수질현황 분석을 통한 겨울철 방류수수질기준의 적정성 평가)

  • Um, Chul Yong;Chu, Kyoung Hoon;Yun, Zu Whan;Choi, Ik Hoon;Park, Jae Young;Lee, Han Saem;Ko, Kwang Baik
    • Journal of Korean Society on Water Environment
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    • v.27 no.4
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    • pp.523-532
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    • 2011
  • In this study, from 2004 to 2008 influents and discharging effluents from 241 municipal public sewage treatment plants were surveyed. Statistics including average, Coefficient of Variation (CV) and Coefficient of Reliability (COR) for each season, time series analysis for removal efficiency and water quality of effluents, and a comparison of the effluent standards in Korea and other countries were presented. The average concentrations of TN and TP in influents. during winter season were 32.6 and 3.78 mg/L and during other season were 30.8 and 3.61 mg/L in 2008, respectively. The average TN concentration on the basis of the maximum monthly concentrations in the effluents during winter season ranged from 14.2~17.4 mg/L and during other season ranged from 12.2~14.8 mg/L. The TP concentration in the effluents depending on the each season was no big difference. TN removal efficiency decreased from Jan. to Feb. and TP removal efficiency decreased in Jan., Jun and July. Maximum COR during winter season were 0.61 but the COR for TN and TP during other season ranged from 0.96~1.48 and 1.09~1.81, respectively, due to big difference in the standard for TN and TP in effluents depending on the season. TN and TP standards for effluent of sewage treatment during winter season in Korea was much higher than those in other countries. Therefore the lower effluent standards during winter season is essential for the water quality improvement.

Origin and formation mechanism of LASCO-C2 post CME blobs observed on 2017 September 10

  • Lee, Jae-Ok;Cho, Kyung-Suk;Lee, Kyoung-Sun
    • The Bulletin of The Korean Astronomical Society
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    • v.44 no.2
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    • pp.41.3-41.3
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    • 2019
  • To find out the origin and formation mechanism of LASCO-C2 post-CME blobs, we investigate 2 LASCO-C2 blobs and 35 low corona blobs observed by K-Cor on 2017 September 10 from 17:11 to 18:58 UT. By visual inspection of a post-CME ray and the locations of low corona blobs in K-Cor and LASCO-C2 images with examining the time-height data of all blobs, we find the following results: (1) The post-CME ray structure is well identified in the K-Cor images than LASCO-C2 ones. (2) Low corona blobs can be classified into two groups according to their formation mechanisms: 27 blobs belong to Group 1, generated by the tearing mode instability near the middles of current sheets as described by Furth et al., 1963; Shibata & Tanuma, 2001; Shen et al., 2011, the others belong to Group 2, formed by the tearing mode instability near the tips of current sheets as shown in Figure 5 of Sitnov et al., 2002. (3) Group 1 has low initial appearance heights <1.30 Rs>, broad speed range (38 ~ 945 km/s), and high accelerations <4,272 m/s2 > than Group 2, which has initial appearance heights <1.72 Rs>, speed range (579 ~ 843 km/s), and accelerations <1,413 m/s2 >. (4) among 8 blobs for Group 2, only 2 blobs are temporally and spatially associated with 2 LASCO-C2 ones and their initial observation heights are 1.93 and 1.79 Rs, respectively. Our results firstly demonstrate that LASCO-C2 blobs form the heights from about 1.7 to 2.0 Rs and they are generated by the tearing mode instability near the tips of current sheets.

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Etiologies and Prognostic Factors of Chronic Cor Pulmonale (만성 폐성심의 원인 질환 빛 예후 인자에 관한 연구)

  • Park, Yoong-In;Kim, Sang-Hyun;Ha, Jae-Kyung;Kim, Seong-Ho;An, Byoung-Jae;Bae, Woo-Hyung;Lee, Hyeon-Gook;Chun, Kook-Jin;Hong, Taek-Jong;Park, Soon-Kew;Shin, Yung-Woo
    • Tuberculosis and Respiratory Diseases
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    • v.47 no.5
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    • pp.609-617
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    • 1999
  • Background: The aims of this study were to assess the etiologies, survival and prognostic factors of patients with chronic cor pulmonale visited Pusan National University Hospital. Methods : This study included 103 patients with chronic cor pulmonale. There were 67 men and 36 women. The diagnosis of chronic cor pulmonale was primarily based on the presence of underlying lung disorder and echocardiographic finding of enlarged or hypertrophied right ventricle. Other clinical data including patients' symptoms and signs, findings of arterial blood gas analysis, hematologic and biochemical laboratory and pulmonary function test were assessed. Results: The most common underlying lung disorder was pulmonary tuberculosis(59.2%) and chronic obstructive pulmonary disease was the next(28.2%). The survival rate was 57% in one year, 45% in two years, and 34% in three years. The prognostic factors were maximal voluntary ventilation(MVV), forced vital capaoity(FVC), $FEV_1$ serum Na, vital capacity(VC), serum albumin and peak expiratory flow(PEF) in univariate analysis. And in multivariate analysis, serum albumin(p=0.0144) and VC(p=0.0078) were statistically significant. Conclusion: Pulmonary tuberculosis was the most important underlying lung disorder in chronic cor pulmonale. The survival rate was 57% in one year, 45% in two years, and 34% in three years. Serum albumin (p=0.0144) and VC(p=0.0078) were statistically significant prognostic factors.

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Change of arterial pulse wave characteristic by measurement posture and brachial blood pressure (측정 자세 및 상완 혈압에 의한 맥파 특성 변화)

  • Nam, Ki-Chang;Kim, Eun-Gun;Hoe, Hyun;Huh, Young
    • Science of Emotion and Sensibility
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    • v.12 no.3
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    • pp.299-306
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    • 2009
  • In this study, pulse waves were measured at radial artery using non-invasive tonometric pulse pressure measurement system, SphygmoCor(AtCor, Australia), according to subject's posture. Then it was analysed whether the pulse wave parameters, which contain heart activities, change among three different postures (upright stand, sit, and supine). And it was also verified that the pulse wave parameters change among blood pressure level groups(hypotensive, normotensive, and hypertensive). As a results, posture effects were verified in time information of pulse wave rather than amplitude. But some parameters calculated by ratio of two amplitude, such as augmented index(AI) and ratio of central aortic pulse and radial artery pulse, showed significant difference according to postures. In post hoc test, time to the $1^{st}$ and $2^{nd}$ pulse peak(P_$T_1$, and P_$T_2$), ED(ejection duration), and HR(heart rate) showed significant difference among posture groups with each other. In comparison of blood pressure groups, it was verified that the parameters related to amplitude of pulse wave showed significant difference rather than time information.

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