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Stability and transferability assessment of the cotton fiber strength QTL qFS-c7-1 on chromosome A07

The Crop Journal 2021年第2期9卷 380-386页

作者： david d.Fang Linghe Zeng Gregory N.Thyssen christopher d.delhom Efrem Bechere don C.Jones Ping Li Cotton Fiber Bioscience Research Unit USDA-ARS-SRRCNew OrleansLA 70124USA Crop Genetics Research Unit USDA-ARSStonevilleMS 38776USA Cotton Chemistry&Utilization Unit USDA-ARS-SRRCNew OrleansLA 70124USA Cotton Structure and Quality Research Unit USDA-ARS-SRRCNew OrleansLA 70124USA Cotton Incorporated CaryNC 27513USA

Previously we identified a major cotton fiber strength QTL(qFS-c7-1)on chromosome A07 using a multiparent advanced generation intercross(MAGIC)*** assess the stability and transferability of this QTL and its utility in cotton breeding,we made ten new *** populations were developed from crosses between MAGIC recombinant inbred lines,or between cotton cultivars that are different from the MAGIC parents.A total of 2801 F_(2) plants were grown and their fiber quality traits were *** also selected a subset of F_(3) seeds from two populations,and grew F_(3) progeny plots to further evaluate the stability of this *** results showed that the peak of qFS-c7-1 is at 70–72 Mb *** QTL had a major effect on fiber strength explaining 21.9%phenotypic *** effect on other fiber quality attributes such as micronaire,short fiber content,length and uniformity varied between populations,and no effect on fiber elongation was *** QTL effects were stable in the populations analyzed,and in different generations of the same *** SSR and SNP markers near and within the QTL peak reported herein will assist selecting superior fiber quality traits in breeding,with a recommendation that the parental cotton lines should be analyzed using the seven dNA markers within the QTL peak before fully implementing marker assisted selection in a cotton breeding program.

关键词： Cotton Fiber quality Fiber strength MAGIC population qFS-c7-1

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A Review of State-of-the-art Flexible Power Point Tracking Algorithms in Photovoltaic Systems for Grid Support:Classification and Application

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Journal of Modern Power Systems and Clean Energy 2024年第1期12卷 1-21页

作者： Mina Haghighat Mehdi Niroomand Hossein dehghani Tafti christopher d.Townsend Tyrone Fernando the department of Electrical Engineering University of IsfahanIsfahanIran the department of Electrical Electronic and Computer EngineeringUniversity of Western AustraliaCrawley WA 6009Australia

To maximize conversion efficiency,photovoltaic(PV)systems generally operate in the maximum power point tracking(MPPT)***,due to the increasing penetra tion level of PV systems,there is a need for more developed control functions in terms of frequency support services and voltage control to maintain the reliability and stability of the power ***,flexible active power control is a manda tory task for grid-connected PV systems to meet part of the grid ***,a significant number of flexible pow er point tracking(FPPT)algorithms have been introduced in the existing *** purpose of such algorithms is to real ize a cost-effective method to provide grid support functional ities while minimizing the reliance on energy storage *** paper provides a comprehensive overview of grid support functionalities that can be obtained with the FPPT control of PV systems such as frequency support and volt-var *** of these grid support functionalities necessitates PV sys tems to operate under one of the three control strategies,which can be provided with FPPT *** three control strate gies are classified as:①constant power generation control(CP GC),②power reserve control(PRC),and③power ramp rate control(PRRC).A detailed discussion on available FPPT algo rithms for each control strategy is also *** paper can serve as a comprehensive review of the state-of-the-art FPPT algorithms that can equip PV systems with various grid support functionalities.

关键词： Maximum power point tracking(MPPT) flexi ble power point tracking(FPPT) power reserve control(PRC) power ramp rate control(PRRC) low voltage ride-through(LVRT) constant power generation(CPG)

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ACC for generalized log canonical thresholds for complex analytic spaces

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Science China Mathematics 2024年

作者： christopher d.Hacon Lingyao Xie University of Utah department of Mathematics

We show that generalized log canonical thresholds for complex analytic spaces satisfy the ACC(ascending chain condition) and we characterize the accumulation points.

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Comparison of ERA5 turbulent fluxes at the air-sea interface with measurements from a wave-following platform

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Atmospheric and Oceanic Science Letters 2024年第3期 34-38页

作者： Sa?d Benjeddou denis Bourras christopher Luneau Aix Marseille Université National Center for Scientific ResearchMediterranean Institute of Oceanography Observatory of the Sciences of the Universe Pythéas Institute National Center for Scientific Research

Turbulent fluxes at the air-sea interface were estimated with data collected in 2011-2020 with a low-profile platform named OCARINA during eight experiments in five regions:2011,2015,and 2016 in the Iroise Sea;2012 in the tropical Atlantic;2014 in the Chilie-Peru upwelling;2017 and 2018 in the Mediterranean Sea,and 2018 and 2020 in *** observations were carried out with moderate winds(2-10 m s-1) and average wave heights of 1.5 *** this study,the authors used the fluxes calculated by the bulk method using OCARINA-sampled data as the *** data can validate the fluxes estimated from ERAS reanalysis *** OCARINA and ERA5 data were taken *** do this,the authors established an algorithm to extract the OCARINA data as closely as possible to the reanalysis data in time and *** measurements of the OCARINA platform can conclude on the relevance of the widely used reanalysis data.

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Photosynthetic response to a winter heatwave in leading and trailing edge populations of the intertidal red alga Corallina offi-cinalis(Rhodophyta)

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Acta Oceanologica Sinica 2024年第7期43卷 70-77页

作者： Regina Kolzenburg Federica Ragazzola Laura Tamburello Katy R.Nicastro christopher d.McQuaid Gerardo I.Zardi UmeåMarine Sciences Centre UmeåUniversity90571 NorrbynSweden University of Portsmouth Institute of Marine SciencePortsmouth PO49LYUK Stazione Zoologica Anton dohrn Genova Marine CenterGenova 16126Italy Stazione Zoologica Anton dohrn Sicily Marine CenterPalermo 90149Italy department of Zoology and Entomology Rhodes UniversityMakhanda(Grahamstown)6139South Africa Centre of Marine Sciences University of AlgarveFaro 8005-139Portugal Laboratoire d’Océanologie et de Géosciences Universitéde LilleLille 59000France Universitéde Caen Normandie Laboratoire de Biologie des Organismes et des Ecosystèmes AquatiquesCaen 14032France

Marine heatwaves(MHWs)caused by anthropogenic climate change are becoming a key driver of change at the ecosystem *** conditions experienced by marine organisms across their distribution,particularly towards the equator,are likely to approach their physiological limits,resulting in extensive mortality and subsequent changes at the population *** at the margins of their species’distribution are thought to be more sensitive to climate-induced environmental pressures than central populations,but our understanding of variability in fitness-related physiological traits in trailing versus leading-edge populations is *** a laboratory simulation study,we tested whether two leading(Iceland)and two trailing(Spain)peripheral populations of the intertidal macroalga Corallina officinalis display different levels of maximum potential quantum efficiency(Fv/Fm)resilience to current and future winter MHWs *** study revealed that ongoing and future local winter MHWs will not negatively affect leading-edge populations of ***,which exhibited stable photosynthetic efficiency throughout the *** edge populations showed a positive though non-significant trend in photosynthetic efficiency throughout winter MHWs *** and equatorward populations did not produce significantly different results,with winter MHWs having no negative affect on Fv/Fm of either ***,we found no long-term regional or population-level influence of a winter MHWs on this species’photosynthetic ***,we found no statistically significant difference in thermal stress responses between leading and trailing ***,*** showed a trend towards higher stress responses in southern than northern *** responses rest on a variety of local population traits,they are difficult to predict based solely on thermal pressures.

关键词： marginal population coralline algae climate change ecophysiology photophysiology macroalgae Fv/Fm

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Stability and transferability assessment of the cotton fiber strength QTL qFS-c7-1 on chromosome A07

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The Crop Journal 2021年第2期

作者： david d.Fang Linghe Zeng Gregory N.Thyssen christopher d.delhom Efrem Bechere don C.Jones Ping Li

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Graphene-calcium carbonate coating to improve the degradation resistance and mechanical integrity of a biodegradable implant

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Journal of Magnesium and Alloys 2024年第1期12卷 394-404页

作者： Lokesh Choudhary Parama Chakraborty Banerjee R.K.Singh Raman derrek E.Lobo christopher d.Easton Mainak Majumder Frank Witte Jörg F.Löffler department of Mechanical and Aerospace Engineering Monash UniversityClayton CampusMelbourneVIC 3800Australia department of Chemical and Biological Engineering Monash UniversityClayton CampusMelbourneVIC 3800Australia Nanoscale Science and Engineering Laboratory(NSEL) Bldg 37Monash UniversityClayton CampusMelbourneVIC 3800Australia CSIRO Materials Science and Engineering Bayview AvenueClaytonVIC 3168Australia Julius Wolff Institute and Berlin Brandenburg Center for Regenerative Therapies Charité–Universitätsmedizin BerlinAugustenburger Platz 113353 BerlinGermany Laboratory of Metal Physics and Technology Department of MaterialsETH Zurich8093 ZurichSwitzerland

Biodegradable implants are critical for regenerative orthopaedic procedures,but they may suffer from too fast corrosion in human-body *** necessitates the synthesis of a suitable coating that may improve the corrosion resistance of these implants without compromising their mechanical *** this study,an AZ91 magnesium alloy,as a representative for a biodegradable Mg implant material,was modified with a thin reduced graphene oxide(RGO)-calcium carbonate(CaCO_(3))composite *** analytical and in-vitro electrochemical characterization reveals that this coating significantly improves the corrosion resistance and mechanical integrity,and thus has the potential to greatly extend the related application field.

关键词： Graphene coating Biodegradable implant Hydroxyapatite Corrosion Magnesium alloy

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Inpatient management of iron deficiency anemia in pediatric patients with inflammatory bowel disease: A single center experience

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World Journal of Clinical Pediatrics 2024年第1期13卷 107-117页

作者： Krishanth Manokaran Jonathan Spaan Giulio Cataldo christopher Lyons Paul d Mitchell Tatyana Sare LoriA Zimmerman Paul A Rufo Center for Inflammatory Bowel disease Boston Children's HospitalBostonMA 02115United States Institutional Centers for Clinical and Translational Research Boston Children's HospitalBostonMA 02115United States

BACKGROUNd Screening for iron deficiency anemia(IdA)is important in managing pediatric patients with inflammatory bowel disease(IBd).Concerns related to adverse reactions may contribute to a reluctance to prescribe intravenous(IV)iron to treat IdA in this *** To track the efficacy and safety of IV iron therapy in treating IdA in pediatric IBd patients admitted to our *** A longitudinal observational cohort study was performed on 236 consecutive pediatric patients admitted to our tertiary IBd care center between September 2017 and december 2019.92 patients met study criteria for IdA,of which 57 received IV iron,17 received oral iron,and 18 were discharged prior to receiving iron *** Patients treated with IV iron during their hospitalization experienced a significant increase of 1.9(±0.2)g/dL in mean(±SE)hemoglobin(Hb)concentration by the first ambulatory follow-up,compared to patients who received oral iron 0.8(±0.3)g/dL or no iron 0.8(±0.3)g/dL(P=0.03).One out of 57(1.8%)patients that received IV iron therapy experienced an adverse *** Our findings demonstrate that treatment with IV iron therapy is safe and efficacious in improving Hb and iron levels in pediatric patients with IdA and active IBd.

关键词： Iron deficiency anemia Pediatric inflammatory bowel disease Intravenous iron therapy Inflammatory bowel disease

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Photosynthetic response to a winter heatwave in leading and trailing edge populations of the intertidal red alga Corallina officinalis(Rhodophyta)

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Acta Oceanologica Sinica 2024年第7期 70-77页

作者： Regina Kolzenburg Federica Ragazzola Laura Tamburello Katy R.Nicastro christopher d.McQuaid Gerardo I.Zardi Ume? Marine Sciences Centre Ume? University University of Portsmouth Institute of Marine Science Stazione Zoologica Anton dohrn Genova Marine Center Stazione Zoologica Anton dohrn Sicily Marine Center department of Zoology and Entomology Rhodes University Centre of Marine Sciences University of Algarve Laboratoire d'Océanologie et de Géosciences Université de Lille Université de Caen Normandie Laboratoire de Biologie des Organismes et des Ecosystèmes Aquatiques

Marine heatwaves(MHWs) caused by anthropogenic climate change are becoming a key driver of change at the ecosystem level. Thermal conditions experienced by marine organisms across their distribution, particularly towards the equator, are likely to approach their physiological limits, resulting in extensive mortality and subsequent changes at the population level. Populations at the margins of their species' distribution are thought to be more sensitive to climate-induced environmental pressures than central populations, but our understanding of variability in fitness-related physiological traits in trailing versus leading-edge populations is limited. In a laboratory simulation study, we tested whether two leading(Iceland) and two trailing(Spain)peripheral populations of the intertidal macroalga Corallina officinalis display different levels of maximum potential quantum efficiency(Fv/Fm) resilience to current and future winter MHWs scenarios. Our study revealed that ongoing and future local winter MHWs will not negatively affect leading-edge populations of C. officinalis,which exhibited stable photosynthetic efficiency throughout the study. Trailing edge populations showed a positive though non-significant trend in photosynthetic efficiency throughout winter MHWs exposure. Poleward and equatorward populations did not produce significantly different results, with winter MHWs having no negative affect on Fv/Fm of either population. Additionally, we found no long-term regional or population-level influence of a winter MHWs on this species' photosynthetic efficiency. Thus, we found no statistically significant difference in thermal stress responses between leading and trailing populations. Nonetheless, C. officinalis showed a trend towards higher stress responses in southern than northern populations. Because responses rest on a variety of local population traits, they are difficult to predict based solely on thermal pressures.

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dynamics of self-hybridized exciton–polaritons in 2d halide perovskites

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Light(Science & Applications) 2024年第1期13卷 13-22页

作者： Surendra B.Anantharaman Jason Lynch christopher E.Stevens christopher Munley Chentao Li Jin Hou Hao Zhang Andrew Torma Thomas darlington Francis Coen Kevin Li Arka Majumdar PJames Schuck Aditya Mohite Hayk Harutyunyan Joshua R.Hendrickson deep Jariwala department of Electrical and Systems Engineering University of PennsylvaniaPhiladelphiaPA19104USA KBR Inc. BeavercreekOH45431USA Air Force Research Laboratory Sensors DirectorateWright-Patterson Air Force BaseOH45433USA department of Physics University of WashingtonSeattleWA98195USA department of Physics Emory UniversityAtlantaGA30322USA department of Chemical and Biomolecular Engineering Rice UniversityHoustonTX77005USA department of Materials Science and Nanoengineering Rice UniversityHoustonTX77005USA Applied Physics Program Smalley‐Curl InstituteRice UniversityHoustonTX77005USA department of Mechanical Engineering Columbia UniversityNew YorkNY10027USA department of Electrical and Computer Engineering University of WashingtonSeattleWA98195USA

Excitons,bound electron–hole pairs,in two-dimensional hybrid organic inorganic perovskites(2d HOIPs)are capable of forming hybrid light-matter states known as exciton-polaritons(E–Ps)when the excitonic medium is confined in an optical *** the case of 2d HOIPs,they can self-hybridize into E–Ps at specific thicknesses of the HOIP crystals that form a resonant optical cavity with the ***,the fundamental properties of these self-hybridized E–Ps in 2d HOIPs,including their role in ultrafast energy and/or charge transfer at interfaces,remain ***,we demonstrate that>0.5µm thick 2d HOIP crystals on Au substrates are capable of supporting multiple-orders of self-hybridized E–P *** E–Ps have high Q factors(>100)and modulate the optical dispersion for the crystal to enhance sub-gap absorption and *** varying excitation energy and ultrafast measurements,we also confirm energy transfer from higher energy E–Ps to lower energy E–***,we also demonstrate that E–Ps are capable of charge transport and transfer at *** findings provide new insights into charge and energy transfer in E–Ps opening new opportunities towards their manipulation for polaritonic devices.

关键词： charge polar excitation

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