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RISS 인기검색어
- 검색키워드
- 저자 : Hongxia Ye (검색결과 5 건)
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Ethylene Control of Flowering and Sex Differentiation in Three Sex Types of Inbred Melon Lines
Hongxia Ye,Tonglin Wang,Lv Lv,Yuqing Hu,Bingliang Wang 한국원예학회 2020 원예과학기술지 Vol.38 No.4
Flower types and sex expression are important traits for melon (Cucumis melo L.) and hybrid seed production. Here, we studied the effects of ethrel, aminoethoxyvinylglycine (AVG) and silver nitrate (AgNO3) on floral development and sex expression in andromonoecious, monoecious, and hermaphroditic inbred melon lines in an experimental field at Zhejiang University, Hangzhou China during the autumn of 2017. The application of 100, 200, and 400 µL·L-1 of 40% ethrel delayed the initiation of male/bisexual flowers on the main stem and inhibited the formation of lateral branches bearing female/bisexual flowers. Ethrel exposure changed the flower sex type on the main stem of the three inbred melon lines. Melon sexual types could be converted from andromonoecious to hermaphroditic, from monoecious to gynoecious, and from hermaphroditic to gynomonoecious/gynoecious and be devoid of buds destined to be male flowers. The three inbred melon lines responded differently to ethrel during floral development and sex transition, with the monoecious line being the most sensitive and the hermaphroditic line being the most insensitive. The inhibitor of ethylene biosynthesis, AVG (100 mg·L-1), and the inhibitor of ethylene action, AgNO3 (300 mg·L-1), were ineffective in altering sex expression. However, the male/bisexual flowers on the main stem formed at lower nodes in AVG- or AgNO3-treated plants, resulting in earlier flower initiation for the hermaphroditic line. Thus, the application of AVG or AgNO3 promoted earlier fruit setting in hermaphroditic melon. In addition, the use of ethrel to induce male sterility in melon could replace the expensive labor necessary for the mechanical emasculation of hybrids and ensure hybrid seed purity.
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Study on Predictive Maintenance Strategy
Hongxia Wang,Xiaohui Ye,Ming Yin 보안공학연구지원센터 2016 International Journal of u- and e- Service, Scienc Vol.9 No.4
Predictive Maintenance is the catchword in the present times. First ,the paper analyze the feature of the Predictive Maintenance, include scientific, approximation, timeliness, condition monitoring, fault diagnostic and so on, second the technology system for Predictive maintenance has been studied, including: condition monitoring technology, fault diagnosis technology, state prediction and maintenance decision support and maintenance activities. Finally, the Strategies of Predictive maintenance is given.
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Study on the Allocation Problem of the Equipment Maintenance Support Resources
Wang Hongxia,Ye Xiaohui,Yin ming 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.7
Aiming at the problems of lacking of system engineering method for the equipment maintenance support resource allocation problem, the problem to be solved for resource allocation is proposed from the three hierarchical perspective which is “what to allocate , how to allocate, and how much to allocate”; from the three aspects of the demand analysis, allocation method, optimizing allocation, the connotation of the problem is described, and for the each problem the essence of the problem solving method is studied systematically; the proposed method can provide science and technology support for the equipment maintenance support resources allocation scheme in the design phase.
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Identification of Steel Pipe Defect Based on Virtual Instrument
Yin Ming,Ye Xiaohui,Wang Hongxia,Pan Hongbing 보안공학연구지원센터 2015 International Journal of Signal Processing, Image Vol.8 No.6
Aiming at the problem of traditional nondestructive testing steel pipe defect, Ultrasonic testing system based on Virtual Instrument was designed. The hardware platform is the signal source which is based on micro-controller, and the HS4 data acquisition card by USB bus. The software platform adopts the LabVIEW to program by using the multithread to acquire all kinds of signal by real-time. The nondestructive feature was found by using the filter, STFT analysis and joint time domain analysis. The designed system has been used to the pipe defect inspection of some company, which is stable and can achieve an anticipant effect.
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Healthy Assessment Research Electronic Equipment Based on Data Fusion
Ming Yin,Xiaohui Ye,Hongxia Wang 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.11
Healthy assessment weights of using of modern electronic equipment is too subjective problem, it is proposed in this paper that is based on fuzzy analytic hierarchy process and the method based on the theory of the D-S evidence. In solid state transmitter, for example, by analysis of working principle, from the perspective of healthy status evaluation, it will be associated with healthy status indicators stratified processing. Then according to the hierarchy correlation index from the bottom of each layer in systems integration, the paper consider the complexity of system structure and index measurability, and use the analytic hierarchy process and the D-S evidence fusion solid state transmitter overall healthy assessment results.
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