• Title/Summary/Keyword: functional importance

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Functional characterization of gibberellin signaling-related genes in Panax ginseng

  • Kim, Jinsoo;Shin, Woo-Ri;Kim, Yang-Hoon;Shim, Donghwan;Ryu, Hojin
    • Journal of Plant Biotechnology
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    • v.48 no.3
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    • pp.148-155
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    • 2021
  • Gibberellins (GAs) are essential phytohormones for plant growth that influence developmental processes and crop yields. Recent functional genomic analyses of model plants have yielded good characterizations of the canonical GA signaling pathways and related genes. Although Panax ginseng has long been considered to have economic and medicinal importance, functional genomic studies of the GA signaling pathways in this crucial perennial herb plant have been rarely conducted. Here, we identified and performed functional analysis of the GA signaling-related genes, including PgGID1s, PgSLY1s, and PgRGAs. We confirmed that the physiological role of GA signaling components in P. ginseng was evolutionarily conserved. In addition, the important functional domains and amino acid residues for protein interactions among active GA, GID1, SCFSLY1, and RGA were also functionally conserved. Prediction and comparison of crystallographic structural similarities between PgGID1s and AtGID1a supported their function as GA receptors. Moreover, the subcellular localization and GA-dependent promotion of DELLA degradation in P. ginseng was similar to the canonical GA signaling pathways in other plants. Finally, we found that overexpression of PgRGA2 and PgSLY1-1 was sufficient to complement the GA-related phenotypes of atgid1a/c double- and rga quintuple-mutants, respectively. This critical information for these GA signaling genes has the potential to facilitate future genetic engineering and breeding of P. ginseng for increased crop yield and production of useful substances.

Development of ISO 26262 based Requirements Analysis and Verification Method for Efficient Development of Vehicle Software

  • Kyoung Lak Choi;Min Joong Kim;Young Min Kim
    • International Journal of Internet, Broadcasting and Communication
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    • v.15 no.3
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    • pp.219-230
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    • 2023
  • With the development of autonomous driving technology, as the use of software in vehicles increases, the complexity of the system increases and the difficulty of development increases. Developments that meet ISO 26262 must be carried out to reduce the malfunctions that may occur in vehicles where the system is becoming more complex. ISO 26262 for the functional safety of the vehicle industry proposes to consider functional safety from the design stage to all stages of development. Specifically at the software level, the requirements to be complied with during development and the requirements to be complied with during verification are defined. However, it is not clearly expressed about specific design methods or development methods, and it is necessary to supplement development guidelines. The importance of analysis and verification of requirements is increasing due to the development of technology and the increase of system complexity. The vehicle industry must carry out developments that meet functional safety requirements while carrying out various development activities. We propose a process that reflects the perspective of system engineering to meet the smooth application and developmentrequirements of ISO 26262. In addition, the safety analysis/verification FMEA processforthe safety of the proposed ISO 26262 function was conducted based on the FCAS (Forward Collision Avoidance Assist System) function applied to autonomous vehicles and the results were confirmed. In addition, the safety analysis/verification FMEA process for the safety of the proposed ISO 26262 function was conducted based on the FCAS (Forward Collision Avoidance Assist System) function applied to the advanced driver assistance system and the results were confirmed.

APPLICATION AND FUNCTIONAL REQUIREMENTS OF SIMULATOR IN HARBOR AND WATERWAY DESIGN

  • Shi, Chaojian
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2001.10a
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    • pp.142-152
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    • 2001
  • The roles and importance of the application of simulator in harbor and waterway design are emphasized. Different methods of simulation and their application are described. A large-scale simulation concept, group simulation, is proposed. Requirements of the simulator for accomplishing the tasks properly and effectively are suggested. Some points on modeling of ship hydrodynamics and environmental factors, welch are critical especially in waterway design simulation are discussed and algorisms presented.

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The Study of Myofascial Meridian Clinical Application for Functional Exercise and Manual Therapy (기능적인 움직임 치료를 위한 경근(經筋)의 임상활용에 대한 연구(I))

  • Lim, Hyung-Ho;Song, Yun-Kyung
    • The Journal of Korea CHUNA Manual Medicine
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    • v.3 no.1
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    • pp.65-83
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    • 2002
  • We are made a comparison between 12 meridian tendino-musculature and myofascial/locomotor anatomy in which the bodywide connections among the muscles within the fascial net. We consider that these unique 'whole systems' view is of vital importance to understanding the role of fascial in normal movement and postural distortion and to application of manual and movement therapy.

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A Surgical Experience of Adult TOF with Anomalous Systemic Venous Return (체정맥 이상환류를 동반한 성인 활로씨 4증후군의 치험 1례)

  • 유환국
    • Journal of Chest Surgery
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    • v.24 no.11
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    • pp.1154-1159
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    • 1991
  • Anomalous systemic venous return to the right atrium is clinically innocuous and cause no functional disturbances or physiologic abnormalities by themselves and consequently require no treatment but may be surgical importance. We experienced a case of adult TOF combined with anomalous systemic venous drainage. Rudimentary right SVC with draining left sided vertical vein and IVC with separately drained left vein was revealed at operation time. With the bicaval cannulation, large sucker was used for drainage of blood from the left hepatic vein. Postoperative angiocardiogram showed above findings and combined double inferior vena cava at lumbar level.

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Nonparametric Estimation of Pr[X>Y] from Random Censored Data (임의절단 자료에서의 Pr[X>Y]의 비모수적 추정)

  • Jeong, Hai-Sung;Kim, Jae-Joo
    • Journal of Korean Society for Quality Management
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    • v.23 no.2
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    • pp.91-102
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    • 1995
  • For two independent random variables X and Y, the functional R=Pr[X>Y] is of practical importance in reliability. X can be interpreted as the strength of a component subjected to a stress Y, and R is the component's reliability. In this paper nonparametric approach to estimation of R based on censored observations in the strength variables is analyzed and compared by simulations in the moderate sample sizes.

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Development of Slicing Algorithm for Rapid Prototyping (RP를 위한 절단 알고리즘의 개발)

  • 채희창
    • Proceedings of the Korean Society of Machine Tool Engineers Conference
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    • 1999.10a
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    • pp.81-86
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    • 1999
  • Nowadays, as the development period of new products becomes shorter and consumer's requirement is more various, the importance of Rapid Protytyping Technology has been rapidly increased. Rapid Protytyping makes protytypes or functional parts directly using the 3D CAD data. But RP machines can make protytype in limit size. But RP machines can make protytype in limit size. For making large size protytype, we slice solid, which is made of STL file, and then glue sliced solid. This paper is concerned with slicing solid on STL file.

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New technology for doped Fe alloys production

  • Ksandopoulo, G.;Korobova, N.;Baydeldinova, A.;Isaykina, O.;Soh, Deawha
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2000.07a
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    • pp.274-277
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    • 2000
  • SHS is recognized as an attractive process for producing high-temperature, hard materials that difficult and/or expensive to produce by conventional fabrication methods. The goal of this work is to investigate new express technology of doped Fe alloys materials. The high density, homogeneity of the components, and the low processing temperatures achieved and minimum synthesis time are all of paramount importance in fabricating Fe alloys as functional materials.

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