• Title/Summary/Keyword: Lsi2

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Development of 7 Learning Style Inventory Korean Version for IT Major Students

  • Park, Jong-Jin
    • International Journal of Advanced Culture Technology
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    • v.8 no.2
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    • pp.42-47
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    • 2020
  • This study is to develop Korean version of the 7 Learning Style Inventory(LSI) for IT major Students by systematic translation process and to test learning style of IT major University students. Translated and developed Korean version of LSI was verified of validity by comparing with existing V.A.K. learning style model. We can develop various tactics for 7 learning styles of students. Once the learning style of each student is confirmed, customized teaching for individual and team can be done more efficiently through teaching and learning strategies according to each learning style. Developed LSI was applied to the IT major students of two classes from Chungwoon University in Incheon. Results of LSI survey show that learning styles of 24 students out of 35 students from two classes are matched with V.A.K. learning styles of same students. It was 68.6% match in learning style, and shows that validity of 7 LSI. We need to elaborate Korean questionnaires of the LSI more, and extend and apply to the non-IT major students group.

Molecular Characterization of Silicon (Si) Transporter Genes, Insights into Si-acquisition Status, Plant Growth, Development, and Yield in Alfalfa

  • Md Atikur Rahman;Sang-Hoon Lee;Yowook Song;Hyung Soo Park;Jae Hoon Woo;Bo Ram Choi;Ki-Won Lee
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.43 no.3
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    • pp.168-176
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    • 2023
  • Silicon (Si) has the potential to improve plant growth and stress tolerance. The study aimed to explore Si-involving plant responses and molecular characterization of different Si-responsive genes in alfalfa. In this study, the exogenous supplementation of Si enhanced plant growth, and biomass yield. Si-acquisition in alfalfa root and shoot was higher in Si-supplemented compared to silicon deficient (-Si) plants, implying Si-acquisition has beneficial on alfalfa plants. As a consequence, the quantum efficiency of photosystem II (Fv/Fm) was significantly increased in silicon-sufficient (+Si) plants. The quantitative gene expression analysis exhibited a significant upregulation of the Lsi1, Lsi2, Lsi3, NIP5;1, and NIP6;1 genes in alfalfa roots, while BOR1, BOR4, NIP2, and NIP3 showed no significant variation in their expression. The MEME results further noticed the association of four motifs related to the major intrinsic protein (MIP). The interaction analysis revealed that NIP5;1 and Lsi1 showed a shared gene network with NIP2, BOR1, and BOR4, and Lsi2, Lsi3 and NIP3-1, respectively. These results suggest that members of the major intrinsic proteins (MIPs) family especially Lsi1, Lsi2, Lsi3, NIP5;1, and NIP6;1 genes helped to pass water and other neutral solutes through the cell membrane and those played significant roles in Si uptake and transport in plants. Together, these insights might be useful for alfalfa breeding and genome editing approaches for alfalfa improvement.

Characterization of the Lsi1 Homologs in Cucurbita moschata and C. ficifolia for Breeding of Stock Cultivars Used for Bloomless Cucumber Production

  • Jung, Jaemin;Kim, Joonyup;Jin, Bingkui;Choi, Youngmi;Hong, Chang Oh;Lee, Hyun Ho;Choi, Youngwhan;Kang, Jumsoon;Park, Younghoon
    • Horticultural Science & Technology
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    • v.35 no.3
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    • pp.333-343
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    • 2017
  • Bloomless cucumber fruits are commercially produced by grafting onto the pumpkin stocks (Cucurbita moschata) to restricted silicon ($SiO_2$) absorption. Inhibition of silicon absorption in bloomless stocks is conferred by a mutant allele of the CmLsi1 homologous to Lsi1 in rice. In this study, we characterized the Lsi1 homologs in pumpkin (C. moschata) and its cold-tolerant wild relative C. ficifolia ('Heukjong') in order to develop a DNA marker for selecting a bloomless trait and to establish the molecular basis for breeding bloomless stock cultivars of C. ficifolia. A Cleaved amplified polymorphic sequence (CAPS) marker (CM1-CAPS) was designed based on a non-sysnonymous single nucleotide polymorphism (SNP, C>T) of the CmLsi1 mutant-type allele, and its applicability for Marker-assisted selection (MAS) was confirmed by evaluating three bloom and five bloomless pumpkin stock cultivars. Quantitative RT-PCR of the CmLsi1 for these stock cultivers implied that expression level of the CmLsi1 gene does not appear to be associated with the bloom/bloomless trait and may differ depending on plant species and tissues. A full length cDNA of the Lsi1 homolog [named CfLsi1($B^+$)] of 'Heukjong' (C. ficifolia), was cloned and sequence comparison between CmLsi1($B^+$) and CfLsi1($B^+$) revealed that there exists total 24 SNPs, of which three were non-synonymous. Phylogenetic analysis of CfLsi1($B^+$) and Lsi1 homologs further revealed that CfLsi1($B^+$) is closesly related to Nodulin 26-like intrinsic proteins (NIPs) and most similar to CpNIP1 of C. pepo than C. moschata.

고속 디지틀 교환 IC (HDS-LSI)의 소개

  • Jeong, Chan-Geun;Lee, Yeong-Gyu
    • ETRI Journal
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    • v.7 no.2
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    • pp.43-48
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    • 1985
  • 일반적으로 시분할 전자 교환기의 time-switch로는 RAM을 이용한 방식이 많이 사용되고 있는데 본고에서는 간단한 하드웨어와 빠른 교환 속도의 특징을 갖는 고속 디지틀 스위칭 IC, HDS(Highspeed Digital Switch)-LSI에 관하여 간단히 소개하고자 한다. 먼저 일반적인 time-switch의 구조와 동작에 대해 간단히 설명하고 HDS-LSI의 기본 원리와 구조 그리고 응용 분야에 대해 예를들어 설명하였다.

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Fabrication of CMOS Custom LSI for Implantable Biotelemeter (바이오 텔레메-터용 CMOS Custom LSI 제작)

  • Seo, Hee-Don;Choi, Se-Gon
    • Proceedings of the KIEE Conference
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    • 1987.07b
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    • pp.1305-1308
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    • 1987
  • This paper presents a design of an optimized implantable biotelemetry system and the fabrication of custom CMOS LSI for implementing this system. The internal circuits of this system are fabricated on a single silicon chip with a size of $4{\times}5mm^2$. This LSI is designed and fabricated not only to get as small size and low power dissipation as possible, but also to have multiple function. Its main functions are to select one of implanted sensors and to accomplish ON - OFF power switching of an implanted battery by receiving appropriate Command signals and control signals fran external circuits. The internal system which was assembled on a bread-board using fabricated LSI chip is confirmed to work as designed. The total power dissipation of this interal system was $10.12{\mu}W$.

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Design of real-time microvision for edge detection with vertical integration structure of LSIs (LSI 수직적층 구조를 가지는 윤곽검출용 실시간 마이크로 비젼의 설계)

  • Yu, Kee-Ho
    • Journal of Institute of Control, Robotics and Systems
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    • v.4 no.3
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    • pp.329-333
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    • 1998
  • 본 논문에서는, LSI 적층 기술을 이용한 실시간 처리 마이크로 비젼의 개발을 소개하고 있다. 새롭게 개발된 LSI 적층기술을 이용하여, 영상신호의 증폭, 변환, 연산처리등의 기본기능을 가지는 다수의 LSI 웨이퍼를 적층한다. 각 층간의 고밀도 수직배선을 통하여 대량의 영상정보를 동시에 전달하므로써, 대규모 동시 병렬처리를 가능하게 하며, 다수의 층에 걸쳐 파이프 라인 처리가 이루어진다. VLSI 설계시스템을 이용하여, 윤곽 검출기능을 가지는 테스트 칩을 설계(2 .mu.m CMOS design rule)하고, 시뮬레이션을 통하여 양호한 동작(처리시간 10 .mu.s)을 확인하고 있다. 시험제작을 위해서는, 새롭게 개발된 LSI 적층기술이 이용된다. 영상처리의 기본회로가 실려있는 웨이퍼의 기반을 30 .mu.m 의 두께까지 연마하고, 개발된 웨이퍼 aligner를 이용하여 수직배선이 형성된 상하 두 개의 웨이퍼를 미세조정하면서 접착한다. 이상의 제작과정을 반복하여 두께 1mm이하의 인공망막과 같은 마이크로 비젼을 제작한다.

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ViP: A Practical Approach to Platform-based System Modeling Methodology

  • Um, Jun-Hyung;Hong, Sung-Pack;Kim, Young-Taek;Chung, Eui-Young;Choi, Kyu-Myung;Kong, Jeong-Taek;Eo, Soo-Kwan
    • JSTS:Journal of Semiconductor Technology and Science
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    • v.5 no.2
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    • pp.89-101
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    • 2005
  • Research on highly abstracted system modeling and simulation has received a great deal of attention as of the concept of platform based design is becoming ubiquitous. From a practical design point of view, such modeling and simulation must consider the following: (i) fast simulation speed and cycle accuracy, (ii) early availability for early stage software development, (iii) inter-operability with external tools for software development, and (iv) reusability of the models. Unfortunately, however, all of the previous works only partially addresses the requirements, due to the inherent conflicts among the requirements. The objective of this study is to develop a new system design methodology to effectively address the requirements mentioned above. We propose a new transaction-level system modeling methodology, called ViP (Virtual Platform). We propose a two-step approach in the ViP method. In phase 1, we create a ViP for early stage software development (before RTL freeze). The ViP created in this step provides high speed simulation, lower cycle accuracy with only minor modeling effort.(satisfying (ii)). In phase 2, we refine the ViP to increase the cycle accuracy for system performance analysis and software optimization (satisfying (i)). We also propose a systematic ViP modeling flow and unified interface scheme based on utilities developed for maximizing reusability and productivity (satisfying (ii) and (iv)) and finally, we demonstrate VChannel, a generic scheme to provide a connection between the ViP and the host-resident application software (satisfying (iii)). ViP had been applied to several System-on-a-chip (SoC) designs including mobile applications, enabling engineers to improve performance while reducing the software development time by 30% compared to traditional methods.

Design of a Bidirectional Switching Network for High-Speed Processing of LSI Pattern Data (LSI패턴 데이타 고속처리용 양방향 스위칭 네트워크 설계)

  • Kim, Seong-Jin;Seo, Hui-Don
    • The Transactions of the Korea Information Processing Society
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    • v.1 no.1
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    • pp.99-104
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    • 1994
  • This paper proposes the method to process many pattern data 2-dimensionally at high speed in designing the physical of LSI. And this study shows that the switching network,which transmits pattern data between memory and processing elements at high speed on bidirection,has been designed using the barrel shifter and simulated with VHDL design system.

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