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Damage Tolerance Approach in Life Management of Helicopter Dynamic Components

Liu Wenlin,Mu Zhitao, Duan Chengmei

Strategic Study of CAE 2005, Volume 7, Issue 2,   Pages 76-80

Abstract: management methods of helicopter dynamic components were discussed, such as safe-life method, flaw-tolerancemethod, damage-tolerance method and fault-tolerance method.The origin and the current status about damage-tolerance method in life management both at home and abroadIn comparison with the fixed wing aircraft, three main aspects, which can make the damage tolerance approachSeveral key technical settlements when damage tolerance method was put in practice in life management

Keywords： helicopter     damage tolerance     life management     nondestructive inspection    

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Cracking evolution behaviors of lightweight materials based on

Y. Luo, S. C. Wu, Y. N. Hu, Y. N. Fu

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 461-481 doi: 10.1007/s11465-018-0481-2

Abstract:

Damage accumulation and failure behaviors are crucial concerns during the design and service of aThird-generation synchrotron radiation X-ray computed microtomography can be used to detect the inner damageVarious damage modes under both static and dynamic loading are elucidated for pure aluminum, aluminum

Keywords： fatigue crack initiation and growth     fatigue damage mechanism     damage tolerance     defect characterization    

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Functional tolerance theory in incremental growth design

YANG Bo, ZE Xiangbo, YANG Tao

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 336-343 doi: 10.1007/s11465-007-0059-x

Abstract: The evolutionary tolerance design strategy and its characteristics are studied on the basis of automationrequirement to geometry constraints between parts, and finally to dimension constraints, a functional toleranceA mathematical model with a correlated sensitivity function between cost and the tolerance is createdthe usage cost, and the depreciation cost of the product are regarded as control constraints of the toleranceThus, allocation of the dimension tolerance as the function and cost over the whole lifetime of the product

Keywords： successful transformation     mathematical     automation technology     tolerance allocation     minimum    

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TiO supported IrO for anode reversal tolerance in proton exchange membrane fuel cell

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 852-861 doi: 10.1007/s11708-021-0811-7

Abstract: Fuel starvation can occur and cause damage to the cell when proton exchange membrane fuel cells operatelonger reversal time (530 min) than IrOx (75 min), showing an excellent reversal toleranceO7 with a high dispersity has a great potential to the application on the reversal tolerance

Keywords： proton exchange membrane fuel cell (PEMFC)     fuel starvation     cell reverse     reversal tolerance anode    

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APPLE SUMO E3 LIGASE MDSIZ1 NEGATIVELY REGULATES DROUGHT TOLERANCE

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract: Here, we demonstrate that MdSIZ1 in apple has a negative relationship with drought tolerance

Keywords： apple / drought tolerance / gene expression / MdSIZ1    

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A Robust Tolerance Design Method Based on Fuzzy Quality Loss

CAO Yan-long, MAO Jian, YANG Jiang-xin, WU Zhao-tong, WU Li-qun

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 101-105 doi: 10.1007/s11465-005-0010-y

Abstract:

The traditional tolerance design model ignores the impact of noise factor, so that the design mayBased on the analysis of fuzzy factors in tolerance design and the limitations of the traditional TaguchiA robust tolerance design model using a fuzzy quality loss function was proposed.

Keywords： impact     function     robust tolerance     suitable     quality    

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Spectral reflectance indices as proxies for yield potential and heat stress tolerance in spring wheat

Caiyun LIU, Francisco PINTO, C. Mariano COSSANI, Sivakumar SUKUMARAN, Matthew P. REYNOLDS

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 3,   Pages 296-308 doi: 10.15302/J-FASE-2019269

Abstract:

The application of spectral reflectance indices (SRIs) as proxies to screen for yield potential (YP) and heat stress (HS) is emerging in crop breeding programs. Thus, a comparison of SRIs and their associations with grain yield (GY) under YP and HS conditions is important. In this study, we assessed the usefulness of 27 SRIs for indirect selection for agronomic traits by evaluating an elite spring wheat association mapping initiative (WAMI) population comprising 287 elite lines under YP and HS conditions. Genetic and phenotypic analysis identified 11 and 9 SRIs in different developmental stages as efficient indirect selection indices for yield in YP and HS conditions, respectively. We identified enhanced vegetation index (EVI) as the common SRI associated with GY under YP at booting, heading and late heading stages, whereas photochemical reflectance index (PRI) and normalized difference vegetation index (NDVI) were the common SRIs under booting and heading stages in HS. Genome-wide association study (GWAS) using 18704 single nucleotide polymorphisms (SNPs) from Illumina iSelect 90K identified 280 and 43 marker-trait associations for efficient SRIs at different developmental stages under YP and HS, respectively. Common genomic regions for multiple SRIs were identified in 14 regions in 9 chromosomes: 1B (60–62 cM), 3A (15, 85–90, 101–105 cM), 3B (132–134 cM), 4A (47–51 cM), 4B (71–75 cM), 5A (43–49, 56–60, 89–93 cM), 5B (124–125 cM), 6A (80–85 cM), and 6B (57–59, 71 cM). Among them, SNPs in chromosome 5A (89–93 cM) and 6A (80–85 cM) were co-located for yield and yield related traits. Overall, this study highlights the utility of SRIs as proxies for GY under YP and HS. High heritability estimates and identification of marker-trait associations indicate that SRIs are useful tools for understanding the genetic basis of agronomic and physiological traits.

Keywords： genome-wide association study (GWAS)     heat tolerance     spectral reflectance     spring wheat    

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Polyamines and antioxidant defense system are associated with cold tolerance in centipedegrass

Jingjing CHEN, Junyang FANG, Zhenfei GUO, Shaoyun LU

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 1,   Pages 129-138 doi: 10.15302/J-FASE-2017197

Abstract: Exogenous Put or Spd increased antioxidant enzyme activities and chilling tolerance.The results suggested that polyamine-regulated antioxidants are important for chilling tolerance in centipedegrassand protect plants against chilling induced oxidative damage.

Keywords： antioxidants     centipedegrass     chilling     photosynthesis     polyamines    

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Windborne debris damage prediction analysis

Fangfang SONG, Jinping OU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 326-330 doi: 10.1007/s11709-010-0067-5

Abstract: Windborne debris is one of the most important causes of the envelop destruction according to the post-damageThe problem of windborne debris damage could be summarized as three parts, including windborne debrisBesides, the process of windborne debris damage analysis is described in detail.

Keywords： typhoon     windborne debris     structural envelopes     damage estimation    

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Corrosion damage assessment and monitoring of large steel space structures

Bo CHEN, You-Lin XU, Weilian QU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 354-369 doi: 10.1007/s11709-010-0088-0

Abstract: This paper proposes a framework for assessing the corrosion damage of large steel space structures subjectedreal large steel space structure built in the southern coastal area in China to assess its corrosion damage

Keywords： large steel space structure     atmospheric corrosion     stress corrosion cracking     corrosion damage     damage assessment    

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Detection of damage locations and damage steps in pile foundations using acoustic emissions with deep

Alipujiang JIERULA, Tae-Min OH, Shuhong WANG, Joon-Hyun LEE, Hyunwoo KIM, Jong-Won LEE

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 318-332 doi: 10.1007/s11709-021-0715-y

Abstract: The aim of this study is to propose a new detection method for determining the damage locations in pileFirst, the damage location is simulated using a back propagation neural network deep learning model withIn particular, the damage location is identified using two parameters: the pile location ( ) and theSecond, the damage step condition is determined using a classification model with an acoustic emissionFinally, a new damage detection and evaluation method for pile foundations is proposed.

Keywords： pile foundations     damage location     acoustic emission     deep learning     damage step    

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FTRP: a new fault tolerance framework using process replication and prefetching for high-performance Research

Wei HU, Guang-ming LIU, Yan-huang JIANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 10,   Pages 1273-1290 doi: 10.1631/FITEE.1601450

Abstract: Existing fault tolerance mechanisms, such as periodic checkpointing and process redundancy, cannot effectivelyTo address this issue, we present a new fault tolerance framework using process replication and prefetchingFTRP incorporates a novel cost model and a new proactive fault tolerance mechanism to improve the application‘work-most’ (WM) model, makes runtime decisions to adaptively choose an action from a set of fault toleranceIn the new proactive fault tolerance mechanism, process replication with process prefetching is proposed

Keywords： High-performance computing     Proactive fault tolerance     Failure locality     Process replication     Process prefetching    

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PTRLEA7, A LATE EMBRYOGENESIS ABUNDANT FAMILY GENE FROM PONCIRUS TRIFOLIATA, CONFERS ENHANCED DROUGHT TOLERANCE

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract: identified an LEA family gene (PtrLEA7) from Poncirus trifoliata and studied its function in drought toleranceStress tolerance assays show that overexpression lines had enhanced dehydration and drought tolerancecompared with wild type plants, indicating that PtrLEA7 positively regulates drought tolerance.Collectively, this study demonstrates that PtrLEA7 can confer enhanced drought tolerance partially via
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Creep life assessment of aero-engine recuperator based on continuum damage mechanics approach

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0702-6

Abstract: The creep life of an aeroengine recuperator is investigated in terms of continuum damage mechanics by

Keywords： creep     life assessment     brazed joint     continuum damage mechanics     aeroengine recuperator    

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Bacterial inactivation, DNA damage, and faster ATP degradation induced by ultraviolet disinfection

Chao Yang, Wenjun Sun, Xiuwei Ao

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1192-6

Abstract: • Long amplicon is more effective to test DNA damage induced by UV. • ATP in bacteria does not degradeWe used quantitative polymerase chain reaction (qPCR) to investigate DNA damage and evaluated adenosineThe results of qPCR effectively showed the DNA damage induced by UV when using longer gene amplicons,

Keywords： UV disinfection     DNA damage     qPCR     ATP    

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Title Author Date Type Operation

Damage Tolerance Approach in Life Management of Helicopter Dynamic Components

Liu Wenlin,Mu Zhitao, Duan Chengmei

Journal Article

Cracking evolution behaviors of lightweight materials based on

Y. Luo, S. C. Wu, Y. N. Hu, Y. N. Fu

Journal Article

Functional tolerance theory in incremental growth design

YANG Bo, ZE Xiangbo, YANG Tao

Journal Article

TiO supported IrO for anode reversal tolerance in proton exchange membrane fuel cell

Journal Article

APPLE SUMO E3 LIGASE MDSIZ1 NEGATIVELY REGULATES DROUGHT TOLERANCE

Journal Article

A Robust Tolerance Design Method Based on Fuzzy Quality Loss

CAO Yan-long, MAO Jian, YANG Jiang-xin, WU Zhao-tong, WU Li-qun

Journal Article

Spectral reflectance indices as proxies for yield potential and heat stress tolerance in spring wheat

Caiyun LIU, Francisco PINTO, C. Mariano COSSANI, Sivakumar SUKUMARAN, Matthew P. REYNOLDS

Journal Article

Polyamines and antioxidant defense system are associated with cold tolerance in centipedegrass

Jingjing CHEN, Junyang FANG, Zhenfei GUO, Shaoyun LU

Journal Article

Windborne debris damage prediction analysis

Fangfang SONG, Jinping OU,

Journal Article

Corrosion damage assessment and monitoring of large steel space structures

Bo CHEN, You-Lin XU, Weilian QU,

Journal Article

Detection of damage locations and damage steps in pile foundations using acoustic emissions with deep

Alipujiang JIERULA, Tae-Min OH, Shuhong WANG, Joon-Hyun LEE, Hyunwoo KIM, Jong-Won LEE

Journal Article

FTRP: a new fault tolerance framework using process replication and prefetching for high-performance

Wei HU, Guang-ming LIU, Yan-huang JIANG

Journal Article

PTRLEA7, A LATE EMBRYOGENESIS ABUNDANT FAMILY GENE FROM PONCIRUS TRIFOLIATA, CONFERS ENHANCED DROUGHT TOLERANCE

Journal Article

Creep life assessment of aero-engine recuperator based on continuum damage mechanics approach

Journal Article

Bacterial inactivation, DNA damage, and faster ATP degradation induced by ultraviolet disinfection

Chao Yang, Wenjun Sun, Xiuwei Ao

Journal Article