• Development and Reproduction
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• v.21 no.4
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• pp.361-370
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• 2017

Koi herpesvirus (KHV), also known as Cyprinid herpes virus 3 (Cyprinid 3) is lethal disease in common carp and koi (Cyprinus carpio). Two different groups (KK and RK) were infected KHV by intraperitoneal injection. Fish for gene expression analysis were sampled at 0 h, 12 h, 24 h, 48 h and 72 h post infection (p.i). The results showed that two immune related gene, Interferons (INFs) ${\alpha}{\beta}$ and Interleukin (IL)-12 p35 induced a high response in RK. The IL-12 p35 cytokine and Toll-like receptor (TLR) 9 were significantly high expressed on 48 h post infection (p.i) in RK as compared to the KK. The histopatological examination reveals focal necrosis in liver and infiltrate of lymphocytes in spleen of KK as compared to the RK. In immunohistochemistry analysis, the KHV protein high expressed in the infected kidney cell and slenocyte of KK. Therefore, the expression of IL-12 p35, IFN ${\alpha}{\beta}$ and TLR 9 may provide a potentially genes related with KHV resistance in Koi and red common carp ${\times}$ koi.

• Journal of Power Electronics
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• v.13 no.4
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• pp.647-655
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• 2013

In this paper, an approach to reduce the common-mode voltage and to eliminate narrow pulse for implemented AC-DC matrix converters is presented. An improved space vector modulation (SVM) strategy is developed by replacing the zero space vectors with suitable pairs of active ones. Further, while considering the commutation time, the probability of narrow pulse in the conventional and proposed SVM methods are derived and compared. The advantages of the proposed scheme include: a 50% reduction in the peak value of the common-mode voltage; improved input and output performances; a reduction in the switching loss by a reduced number of switching commutations and a simplified implementation via software. Experimental results are presented to demonstrate the correctness of the theoretical analysis, as well as the feasibility of the proposed strategy.

• Journal of The Korean Association For Science Education
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• v.24 no.2
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• pp.202-212
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• 2004

The purpose of this study was to examine the connection among inquiry activities related to 'Metabolism' presented in life science textbooks developed according to the national common basic curriculum. To perform this, the type, process and context of inquiry activities of life science textbooks were analyzed. The number of inquiry activities is gradually increased from elementary to secondary school. As result of analysis, types, processes and skills, and context of inquiry were not balanced according to textbooks and school levels. It is suggested that the framework of evaluating inquiry activities based on curriculum objectives be provided when developing science textbooks. It also implies that teachers need to reconstruct inquiry contents and activities suitable to school situations when they teach in the real fields of education.

• Plant Resources
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• v.7 no.2
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• pp.159-162
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• 2004

Many higher fungi were collected at Mt.Sunun, Mt.Kangchon and Mt.Moak from June, 1991 to April, 2003. They were identified and surveyed with references. According to the result, Cordyceps clavata, C. cocciniocapite, C. ryougamimontanna, C. tuberculate J. moelleri and C. yakushimensis are unrecorded species to Korea. They were designed Korean common names by authors. Common names: Cordyceps clavata, C. cocciniocapite, C. ryougamimontanna, C. tuberculate f moelleri, C. yakushimensis, unrecorded species, common names.

• Nonlinear Functional Analysis and Applications
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• v.26 no.2
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• pp.289-301
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• 2021

In this research, we interpret the notion of a b-cyclic (𝚽, C, D)-contraction for the pair (g, S) of self-mappings on the set Y. We employ our definition to introduce some common fixed point theorems for the two mappings g and S under a set of conditions. Also we introduce an example to support our results.

• Korean Journal of Food Science and Technology
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• v.50 no.5
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• pp.549-554
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• 2018

The objective of the current study was to evaluate the antioxidant activity of ethanol extracts from common and tartary buckwheat milling fractions (hull, bran, and flour). The results indicated that total polyphenol and flavonoid contents were higher in tartary buckwheats than in common buckwheats, which was related to high rutin levels. In particular, the highest rutin content was detected in the bran fraction. ABTS and DPPH radical scavenging activities of tartary buckwheats were higher than those of common buckwheats, especially in bran. Cellular antioxidant activity of tartary buckwheat milling fractions was more pronounced than that of common buckwheat in both Caco-2 and Raw 264.7 cells, demonstrating the higher cellular antioxidant effect of tartary buckwheat bran. The cytotoxic effect of both common and tartary buckwheat milling fractions on cell proliferation was not significant. These results suggest that tartary buckwheat bran may have much potential for usefulness in protective and therapeutic antioxidant applications.

• Journal of the Korean Operations Research and Management Science Society
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• v.24 no.3
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• pp.39-47
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• 1999

It has been concluded that the performance of class-based storage policy is better than the performance of random storage policy in the literature. However, the rack shortage problem assigned to the 1st class items makes the decision hard to apply the class-based storage policy in practice. In this paper, a new common zone concept is introduced between two classes to resolve the problem with class-based storage policy. The common zone is the area to accept items from both classes. An AS/RS model is developed for computer simulation study and the effect of common area sizes with various AS/RS operation conditions is analyzed.

• Journal of the Korean Data and Information Science Society
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• v.23 no.3
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• pp.605-616
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• 2012

This article deals with the problem of testing on the common mean of several normal populations. We propose Bayesian hypothesis testing procedures for the common normal mean under the noninformative prior. The noninformative prior is usually improper and yields a calibration problem that makes the Bayes factor to be defined u to a multiplicative constant. So we propose the default Bayesian hypothesis testing procedures based on the fractional Bayes factor and the intrinsic Bayes factors under the reference priors. Simulation study and an example are provided.

• Journal of Life Science
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• v.10 no.6
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• pp.543-547
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• 2000

Quartz porphyry (QP) on the contents of mineral tissues of male common finch by feeding the basal diet (Control group) containing 3.0% QP (QP group) for 14 days was studied. The relative weight (mg/10 g body weight) of kidney and gizzard in the QP group were higher and lower than in the control group, respectively. However, the relative weight of liver and heart were not significantly different in the both groups. The mineral contents of liver, kidney, heart and gizzard were significantly higher in common finch fed with the diet containing quartz porphyry than that of control diet. The major minerals of these tissues were P, Ca and Fe.

• The Journal of Korean Institute of Electromagnetic Engineering and Science
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• v.12 no.4
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• pp.644-650
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• 2001

A remotely located synchronization system which is locked to the remote master clock has been implemented by using GPS Common-View technique. The measurement results showed that the accuracy of the remote synchronization system could be kept within a few parts in $10^{-12}$ and MTIE(Maximum Time Interval Error) met the ITU-T Recommendation(G.811). A prototype system having fully automatic operational functions has been realized up to now and is expected to be used in the network synchronization in the near future.