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面向重要负荷的可靠供电岛拓扑结构及应用

高电压技术 2016年第7期42卷 2037-2046页

作者：毛承雄王元超王丹梁宇张高言华中科技大学强电磁工程与新技术国家重点实验室武汉430074

针对重要负荷高可靠和高品质供电需求,提出并设计了一种可靠供电岛方案,包括电源侧电能控制器、负荷侧电能控制器、母线电能控制器、应急电源系统、交流母线和直流母线等部分,可以实现多电源无缝转换供电、电源潮流有效控制、负荷电力... 详细信息

针对重要负荷高可靠和高品质供电需求,提出并设计了一种可靠供电岛方案,包括电源侧电能控制器、负荷侧电能控制器、母线电能控制器、应急电源系统、交流母线和直流母线等部分,可以实现多电源无缝转换供电、电源潮流有效控制、负荷电力定制供给、应急电源无缝并网、母线电量始终平稳等功能。全面阐述可靠供电岛的基本结构和工作原理,给出双电源带双负荷供电、采用三相四线制接线、高速电子开关替代LPC、储能系统接于直流母线、采用互备式双交流母线等5种不同可靠性等级的应用实例,并对工业设备供电、信息设备供电、安全应急供电、重要场合保电等4种典型应用场景进行分析。研究表明,可靠供电岛是一种提高供电可靠性和改善电能质量的综合性解决方案。

关键词：可靠供电岛供电可靠性电能质量无缝转换拓扑结构重要负荷

Phylogenetic and transcriptional analysis of an expanded bZIP transcription factor family in Phytophthora sojae

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Phylogenetic and transcriptional analysis of an expanded bZI...

2014年第七届中国模式真菌研讨会

作者：叶文武 Yang wang Suomeng Dong Brett M.Tyler yuanchao wang Department of Plant Pathology Nanjing Agricultural University Center for Genome Research and Biocomputing and Department of Botany and Plant PathologyOregon State University

Basic leucine zipper(bZIP) transcription factors are present exclusively in eukaryotes and constitute one of the largest and most diverse transcription factor *** proteins are responsible for central developmental and physiological processes in plants,animals,and fungi,including the pathogenicity of fungal plant ***,there is limited understanding of bZIPs in oomycetes,which are fungus-like organisms in the kingdom *** include many destructive plant pathogens,including the well-studied species Phytophthora sojae,which causes soybean stem and root *** bZIPs encoded in the genomes *** and four other oomycetes,two diatoms,and two fungal species were predicted using bioinformatic *** analysis revealed expanded numbers of bZIP candidates in oomycetes,especially the Phytophthora species,due to the expansion of several novel bZIP classes whose highly conserved asparagines in basic DNA-binding regions were substituted by other residues such as *** majority of these novel bZIP classes were mostly restricted to *** large number of novel bZIPs appears to be the result of widespread gene duplications during oomycete *** majority of *** bZIP candidates,including both conventional and novel bZIP classes,were predicted to contain canonical protein secondary *** of gene transcripts using digital gene expression profiling and qRT-PCR suggested that most of the candidates were not *** major transcriptional shifts of bZIPs occurred during the zoosporangia/zoospore/cyst and host infection *** infection-associated bZIP genes were identified that were positively regulated by H

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基于多变流器控制的可靠供电岛接入拓扑及其控制策略

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电力系统自动化 2017年第3期41卷 103-109页

作者：梁宇毛承雄王丹王元超萧珺强电磁工程与新技术国家重点实验室(华中科技大学) 湖北省武汉市430074

提出了可靠供电岛方案,描述了其在保障可靠供电、高质量供电以及促进配电网智能化方面的优越性。以双电源、双负荷可靠供电岛为研究对象,首先给出了方案的拓扑结构,提出了控制策略,并建立了其数学模型。理论分析表明,该控制策略普适于... 详细信息

提出了可靠供电岛方案,描述了其在保障可靠供电、高质量供电以及促进配电网智能化方面的优越性。以双电源、双负荷可靠供电岛为研究对象,首先给出了方案的拓扑结构,提出了控制策略,并建立了其数学模型。理论分析表明,该控制策略普适于可靠供电岛运行于不同工况,具体控制时仅可控量设定数值不同而控制策略无须切换。其次根据所提控制策略,详细设计了岛内各变换器的控制方式。最后在不同工况下仿真验证了可靠供电岛功能的可实现性,进一步表明了基于所提控制策略的可靠供电岛方案在保障可靠供电和高质量供电方面的有效性。

关键词：配电网可靠供电岛高可靠性重要负荷控制策略

A new distinct geminivirus causes soybean stay-green disease

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Molecular Plant 2022年第6期15卷 927-930页

作者： Ruixiang Cheng Ruoxin Mei Rong Yan Hongyu Chen Dan Miao Lina Cai Jiayi Fan Gairu Li Ran Xu Weiguo Lu Yu Gao Wenwu Ye Shuo Su Tianfu Han Junyi Gai yuanchao wang Xiaorong Tao Yi Xu Department of Plant Pathology Nanjing Agricultural UniversityNanjing 210095China The Key Laboratory of Bio-interaction and Crop Health Nanjing Agricultural UniversityNanjing 210095China Key Laboratory of Soybean Disease and Pest Control(Ministry of Agriculture and Rural Affairs) Nanjing Agricultural UniversityNanjing 210095China Engineering Laboratory of Animal Immunity of Jiangsu Province College of Veterinary MedicineAcademy for Advanced Interdisciplinary StudiesNanjing Agricultural UniversityNanjing 210095China Crop Research Institute Shandong Academy of Agricultural SciencesJinanShandong 250100China Henan Academy of Crop Molecular Breeding ZhengzhouHenan 450002China College of Plant Protection Jilin Agricultural UniversityChangchunJilin 130018China MOA Key Laboratory of Soybean Biology(Beijing) Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Soybean Research Institute Nanjing Agricultural UniversityNanjing 210095China

Dear Editor,Plant viruses make up almost half of the plant disease-causing pathogens,affecting crop yields and the global economy(Savary et al.,2019).Soybean(Glycine max)is one of the most valuable legume crops in the world,supplying 25%of the global edible oil and two-thirds of the global concentrated protein for livestock ***,the outbreak of soybean stay-green syndrome with delayed leaf senescence(stay-green),flat pods,and increased number of abnormal seeds has swept the soybean production in the Huang-Huai-Hai region of China,resulting in huge yield losses(Xu et al.,2019).This disease has become an epidemic and prominent problem in soybean production and is still expanding its geography,including North America,posing a serious threat to soybean production(Harbach et al.,2016;Zhang et al.,2016;Li et al.,2019).However,the cause of soybean stay-green syndrome remains obscure.

关键词： soybean crops expanding

Transcriptional Programming of Phytophthora sojae for Organ-Specific Infection

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Transcriptional Programming of Phytophthora sojae for Organ-...

中国植物病理学会2017年学术年会

作者： Ye Wenwu wang Yang Lin Long Wu Jiawei Chen Han Lin Yachun wang yuanchao Department of Plant Pathology Nanjing Agricultural University

The different organs of a plant are significandy different in structure,metabolism,and defense response,however,the mechanisms on how plant pathogens regulate for organ-specific infection were largely *** proteins are secreted by many plant pathogens topromote infection,e.g.,the genome of the soybean root rot pathogen Phytophthora sojae contains hundreds of effector *** have found that different effector genes could be transcriptionally programmed following infection,and the mechanism facilitated the effectors target different functional branches of the plant defense *** learn our next hypothesis that *** transcriptionally reprogram effector genes to facilitate its organ-specific infection in soybean,we recendy compared the transcriptomes of *** during the early stage of its infection in soybean roots and *** identified the differentially expressed genes and found many enriched pathogenicity-related gene families were likely associated with the response of pathogen against different plant cell structure components and defense *** of several candidate genes were further studied based on CRISPR/CAS9-mediaed gene knock out.A bZIP transcription factor of *** was revealed to play a specific role in the infection of soybean *** results revealed that transcriptional programming are important for successful infection and host environment adaptability of Phytophthora padiogens.

关键词： Phytophthora Organ-specific infection Transcription Effectors CRISPR

Achieving Intrinsic Dual-Band Excitonic Luminescence from a Single Three-Dimensional Perovskite Nanoparticle Through Ni^(2+)-Mediated Halide Anion Exchange

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CCS Chemistry 2024年第2期6卷 415-426页

作者： Licheng Yu Youchao Wei yuanchao Lei Caiping Liu Yongsheng Liu Maochun Hong State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhouFujian 350002 Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China FuzhouFujian 350108 School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210

Rapid halide anion exchange easily occurring in metal-halide perovskite nanoparticles(NPs)makes it nearly impossible to create a single three-dimensional(3D)CsPbX_(3)(X=Cl,Br,I)NP that simultaneously comprises two separate perovskite *** circumvent this problem,we first propose a Ni^(2+)-mediated halide anion-exchange strategy in zero-dimensional(0D)Ni^(2+)-doped Cs_(4)PbBr_(6)(Cs_(4)PbBr_(6):Ni)perovskites to achieve ultra-stable 3D CsPbX_(3)NPs with two coexisting different perovskite individuals of CsPbCl_(3)and/or CsPbBr_(3).By combining the experimental results with first-principles calculations,we confirm that the completely isolated[PbBr_(6)]4−octahedra in 0D Cs_(4)PbBr_(6):Ni NPs can restrict rapid halide anion exchange and the anion diffusion preferentially proceeds in the proximity of substitutional NiPb centers,namely[NiBr_(6)]4−octahedra in a meta-stable state,rather than in the 0D Cs_(4)PbBr_(6)and residual 3D CsPbBr_(3)regions,thereby delivering intrinsic dual-band excitonic luminescence from a single 3D CsPbX_(3)NP with a more stable and efficient CsPbCl_(3)component as compared to its counterparts synthesized using conventional *** new insights regarding the precise control of halide anion exchange enable the preparation of a new type of high-efficiency perovskite materials with suppressed anion interdiffusion for prospective optoelectronic devices.

关键词： excitonic luminescence three-dimensional CsPbX_(3) perovskite nanoparticle halide anion exchange impurity doping

Development of A Loop-mediated Isothermal Amplification Assay for the Rapid Diagnosis of Soybean Rust Caused by Phakopsora pachyrhizi

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Development of A Loop-mediated Isothermal Amplification Assa...

中国植物病理学会2023年学术年会

作者： OUYANG Haibing ZHANG Zhichao SUN Guangzheng YANG Huawei YE Wenwu wang yuanchao Department of Plant Pathology Nanjing Agricultural University Key Laboratory of Soybean Disease and Pest Control (Ministry of Agriculture and Rural Affairs) Nanjing Agricultural University

Soybean rust caused by the fungus Phakopsora pachyrhizi is one of the most destructive diseases to soybean production *** detect *** for the rapid diagnosis and control of soybean rust,we developed a loop-mediated isothermal amplification(LAMP) assay that targets a ***-specific gene(Phapa409908) identified from a comparative genomic;analysis of 61 Puo ciniomycotina *** a set of screened primers and the optimized reaction conditions of 62℃ for 70 min,the LAMP assay can detect the DNA of *** while excluding other plant *** assay consistently showed high sensitivity in detecting low contents of *** DNA(10 pg).We confirmed the practical application of this LAMP assay in diagnosing soybean rust using soybean leaf samples collected from fields in four cities of Sichuan Province,China,in 2020 and *** developed LAMP assay provides a specific,sensitive,and rapid method for the diagnosis of soybean rust caused by *** to assist in the predication,prevention,and control of this major soybean disease.

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High throughput sequencing reveals endophytic fungal communityin field-grown soybean of Huang-huai-hai region of China

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High throughput sequencing reveals endophytic fungal communi...

中国植物病理学会2017年学术年会

作者： Yang Hongjun Ye Wenwu Ma Jiaxin Zeng Dandan wang yuanchao Zheng Xiaobo Plant Pathology Department Nanjing Agricultural University

Plants depend upon beneficial interactions between roots and endophytic fungal for growth promotion,disease suppression,and stress *** this study,we analyzed the endophytic fungal community harbored in the root of soybean plants grown in field in Huang-huai-hai region,one of the main producing areas of soybeans in *** on ITS amplicon sequencing for soybean samples collected from Shandong,Jiangsu,and Anhui province,we found the majority of endophyte taxa were Ascomycota（87%）,followed by Basidiomycota（10%） and Zygomycota（1%）.The species composition and abundanceof endophytic fungi were significantly dependent on the geographic locality and the plant developmental *** deep sequencing results were confirmed by traditional methods for isolation of fungi from corresponding *** most frequendy isolatesin genus were Haematonectria（60%）,Phoma（10%）,Fusarium（8%）,Rhizoctonia（6）,Clonostachys（6）,Macrophomina（3）,and Ceratobasidium（2%）.Many phytopathogenic species associated with soybean disease were found;however,it remains to be determined whether these endophytes are latent pathogens or non-pathogenic forms that benefit the *** results have revealed the endophytic fungal community in field-grown soybean of Huang-huai-hai region,providing insight for further study of plant-endophyte interaction.

关键词： Endophytic fungi Soybean ITS Plant pathogens Microbiome

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植物免疫诱抗剂的应用研究进展

中国植保导刊 2019年第2期39卷 24-32页

作者：杨波王源超南京农业大学植物保护学院

近年来,利用植物免疫的原理开发植物免疫诱抗剂成为植物保护研究的全新领域。本文阐述了植物免疫诱抗剂的作用机理,总结了植物免疫激发子的主要种类(蛋白类、寡糖类、脂类激发子等)及其鉴定方法,介绍了目前国内外植物免疫诱抗剂的开发... 详细信息

近年来,利用植物免疫的原理开发植物免疫诱抗剂成为植物保护研究的全新领域。本文阐述了植物免疫诱抗剂的作用机理,总结了植物免疫激发子的主要种类(蛋白类、寡糖类、脂类激发子等)及其鉴定方法,介绍了目前国内外植物免疫诱抗剂的开发及应用现状,并对植物免疫诱抗剂的研究与应用前景进行了展望。

关键词：植物免疫诱抗剂受体生物农药环保