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Natural variations of HvSRN1 modulate the spike rachis node number in barley

Plant Communications 2024年第1期5卷 148-163页

作者： Chaofeng Fan Dongdong Xu Chunchao Wang Zhaoyan Chen Tingyu Dou Dandan Qin aikui guo Meng Zhao Honghong Pei Mengwei Zhao Renxu Zhang Ke Wang Jing Zhang Zhongfu Ni Ganggang guo Key Laboratory of Grain Crop Genetic Resources Evaluation and Utilization(MARA) The National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop SciencesChinese Academy of Agricultural Sciences(ICS-CAAS)Beijing 100081China Hainan Yazhou Bay Seed Laboratory Sanya 572025China Institute of Industrial Crops Shandong Academy of Agricultural SciencesJinan 250100China Key Laboratory of Crop Heterosis and Utilization Beijing Key Laboratory of Crop Genetic ImprovementChina Agricultural UniversityBeijing 100193China Key Laboratory for Crop Molecular Breeding of Ministry of Agriculture and Rural Affairs Institute of Food CropsHubei Academy of Agricultural SciencesWuhan 430064China

Grain number,one of the major determinants of yield in Triticeae crops,is largely determined by spikelet number and spike rachis node number(SRN).Here,we identified three quantitative trait loci(QTLs)for SRN using 145 recombinant inbred lines derived from a barley R90/1815D ***1,the major-effect QTL,was mapped to chromosome 2H and explained up to 38.77%of SRN ***-based cloning revealed that qSRN1 encodes the RAWUL domain-containing protein *** analysis revealed that two key SNPs in the HvSRN1 promoter region(-2 kb upstream of the transcription start site)affect the transcript level of HvSRN1 and contribute to variation in *** to its orthologous proteins OsLAX2 and ZmBA2,HvSRN1 showed protein–protein interactions with HvLAX1,suggesting that the LAX2–LAX1 model for spike morphology regulation may be conserved in Poaceae ***-Cas9-induced HvSRN1 mutants showed reduced SRN but increased grain size and weight,demonstrating a trade-off *** results shed light on the role of HvSRN1 variation in regulating the balance between grain number and weight in barley.

关键词： barley fine-mapping grain number kernel weight

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Innovations in metallurgical and materials processes:advancing liquid theory and honoring ***-jie guo's contributions to physical chemistry in metallurgy

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Journal of Iron and Steel Research International 2024年第1期31卷 1-2页

作者： Shuai Liu Jing guo Han-jie guo School of Artificial Intelligence Beijing Technology and Business UniversityBeijing100048China School of Metallurgical and Ecological Engineering University of Science and Technology Beijing(USTB)Beijing100083China

Spanning three decades,***-jie guo's research group has dedicated itself to exploring the fundamental theories and practical applications of physical chemistry within the realm of *** under the assumption that molecul... 详细信息

关键词： chemistry liquid complexes

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小麦种质资源性状分析及遗传多样性评价

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大麦与谷类科学 2024年第3期41卷 8-13,18页

作者：汪强沈会权徐肖张英虎杨红燕程怡璠梁志浩薛松郭爱奎于文青李宇星栾海业江苏沿海地区农业科学研究所江苏盐城224002 盐城师范学院江苏盐城224002

为筛选适宜在江苏淮河以南地区生长的小麦种质资源,为后续育种工作提供参考。本研究分析了国内外257份小麦种质资源的株高、千粒质量、穗粒数等12个农艺及品质性状的变异情况,通过遗传多样性分析、相关性分析及系统分析,发现除了淀粉含... 详细信息

为筛选适宜在江苏淮河以南地区生长的小麦种质资源,为后续育种工作提供参考。本研究分析了国内外257份小麦种质资源的株高、千粒质量、穗粒数等12个农艺及品质性状的变异情况,通过遗传多样性分析、相关性分析及系统分析,发现除了淀粉含量(质量分数,下同)外各性状都有较大的变异幅度,其中白粉病抗性的抗性类型最为丰富,遗传多样性指数达到1.2736,籽粒品质性状之间的相关性较显著,蛋白质含量、湿面筋含量、沉降值、淀粉含量之间均呈极显著相关(<0.01);利用系统聚类分析将257份种质分为10类,且主要分布在5个类群,各个类群的性状各具特点,其中第Ⅰ类群的种质资源农艺性状较好,抗性优良,白粉病、锈病发病指数均在2以下,但蛋白质含量较低,平均蛋白质含量为13.17%,可以进行优质弱筋小麦的遗传育种。

关键词：种质资源农艺性状品质性状相关性

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高产高适啤酒大麦新品种盐麦6号的选育及栽培技术

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大麦与谷类科学 2024年第4期41卷 71-75页

作者：郭爱奎沈会权梁志浩李宇星杨红燕徐肖汪强程怡璠于文青薛松乔海龙张英虎江苏沿海地区农业科学研究所江苏盐城224000

盐麦6号是由江苏沿海地区农业科学研究所以东江2号为母本、苏啤3号为父本于2008年杂交组配(盐08218),历经7年选育而成的耐盐啤酒大麦新品种,品种权号为CNA20184556.6。2019和2020年参加江苏省大麦多点鉴定试验,产量分别位居参试品系第3... 详细信息

盐麦6号是由江苏沿海地区农业科学研究所以东江2号为母本、苏啤3号为父本于2008年杂交组配(盐08218),历经7年选育而成的耐盐啤酒大麦新品种,品种权号为CNA20184556.6。2019和2020年参加江苏省大麦多点鉴定试验,产量分别位居参试品系第3位和第1位,较对照增产5.84%和10.09%。2015和2016年参加大麦新品系耐盐鉴定试验,2年产量均居参试品系第1位,分别为5250.0、4875.0 kg/hm^(2)。盐麦6号高产、高抗黄花叶病,可在江苏省及黄淮地区广泛种植。

关键词：耐盐啤酒大麦盐麦6号品种选育

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Emerging direct current triboelectric nanogenerator for high-entropy mechanical energy harvesting

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Science China(Technological Sciences) 2024年第5期67卷 1297-1316页

作者： CHEN Jie guo RuiLong guo HengYu College of Physics and Electronic Engineering Chongqing Normal UniversityChongqing 401331China Department of Applied Physics Chongqing UniversityChongqing 401331China

In the era of the Internet of Things(IoT),the provision of sustainable power to distributed,mobile,and low-power-consumption electronic devices is a critical *** overcome this challenge,the triboelectric nanogenerator(TENG),a highly efficient high-entropy mechanical energy harvesting device,was developed in *** device enables the direct conversion of irregular and low-frequency mechanical energy into pulsed alternating current(AC)***,the incompatibility of most electronic devices with AC signals necessitates rectifier circuits or generators that deliver direct current(DC)*** recent years,DC-TENGs have undergone extensive development,achieving significant milestones in various application fields while also facing crucial challenges that require *** this review,three categories of DC-TENG devices with distinct operating mechanisms are comprehensively explored:multiphase coupling,mechanical rectification,and air *** typical structures and working mechanisms are thoroughly discussed,and specific output performance limitations,along with corresponding optimization strategies,are ***,the applications of DC-TENGs in various scenarios are ***,the challenges faced by DC-TENGs and potential solutions are analyzed to guide further advancements in this technology.

关键词： TENG direct current working mechanisms output performance limitations optimization strategies

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Physicochemical principles of hydrogen metallurgy in blast furnace

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Journal of Iron and Steel Research International 2024年第1期31卷 46-63页

作者： Han-jie guo School of Metallurgical and Ecological Engineering University of Science and Technology BeijingBeijing100083China Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials Beijing100083China

Based on the stoichiometric method and the free energy minimization method,an ideal model for the reduction of iron oxides by carbon and hydrogen under blast furnace conditions was established,and the reduction efficiency and theoretical energy consumption of the all-carbon blast furnace and the hydrogen-rich blast furnace were *** results show that after the reduction reaction is completed at the bottom of the blast furnace,the gas produced by reduction at 1600℃still has a certain excessive reduction capacity,which is due to the hydrogen brought in by the hydrogen-rich blast as well as the excess carbon monoxide generated by the reaction of the coke and the oxygen brought in by the *** the process of the gas with excessive reduction capacity rising from the bottom of the blast furnace and gas reduction process,the excessive reduction capacity of the gas gradually decreases with the increase in the dydrogen content in the *** the all-carbon blast furnace,the excess gas reduction capacity is the strongest,and the total energy consumption per ton of iron reduction is the *** shows that,for the current operation mode of the blast furnace,adding hydrogen in the blast furnace cannot reduce the consumption of carbon required for reduction per ton of iron,but rather increases the consumption of carbon.

关键词： Hydrogen metallurgy Excess gas reduction capacity Theoretical energy consumption Hydrogen-rich blast furnace Thermodynamic model Gibbs minimum free energy method

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Control Strategies for Digital Twin Systems

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IEEE/CAA Journal of Automatica Sinica 2024年第1期11卷 170-180页

作者： guo-Ping Liu IEEE the Center for Control Science and Technology Southern University of Science and TechnologyShenzhen 518055China

With the continuous breakthrough in information technology and its integration into practical applications, industrial digital twins are expected to accelerate their development in the near future. This paper studies various control strategies for digital twin systems from the viewpoint of practical *** make full use of advantages of digital twins for control systems, an architecture of digital twin control systems, adaptive model tracking scheme, performance prediction scheme, performance retention scheme, and fault tolerant control scheme are proposed. Those schemes are detailed to deal with different issues on model tracking, performance prediction, performance retention, and fault tolerant control of digital twin systems. Also, the stability of digital twin control systems is analysed. The proposed schemes for digital twin control systems are illustrated by examples.

关键词： Digital twin control systems fault tolerant control model tracking performance prediction performance retention

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Configuration Synthesis and Grasping Performance Analysis of Multi-Loop Coupling Capture Mechanism for Launch and Recovery of Torpedo-Shaped Autonomous Underwater Vehicle

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China Ocean Engineering 2024年第3期38卷 453-466页

作者： ZHANG guo-xing XIA Xin-lu guo Jin-wei School of Mechanical Engineering Jiangsu University of Science and TechnologyZhenjiang 212100China

Research of capture mechanisms with strong capture adaptability and stable grasp is important to solve the problem of launch and recovery of torpedo-shaped autonomous underwater vehicles(AUVs).A multi-loop coupling capture mechanism with strong adaptability and high retraction rate has been proposed for the launch and recovery of torpedo-shaped AUVs with different morphological ***,the principle of capturing motion retraction is described based on the appearance characteristics of torpedo-shaped AUVs,and the configuration synthesis of the capture mechanism is carried out using the method of constrained chain ***,the screw theory is employed to analyze the degree of freedom(DoF)of the capture ***,the 3D model of the capture mechanism is established,and the kinematics and dynamics simulations are carried *** with the capture orientation requirements of the capture mechanism,the statics and vibration characteristics analyses are carried ***,considering the capture process and the underwater working environment,the motion characteristics and hydraulics characteristics of the capture mechanism are ***,a principle prototype is developed and the torpedo-shaped AUVs capture experiment is *** work provides technical reserves for the research and development of AUV capture special equipment.

关键词： capture mechanism torpedo-shaped AUVs configuration synthesis launch and recovery grasping performance analysis

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Al_(1-x)Sc_(x)Sb_(y)N_(1-y):An opportunity for ferroelectric semiconductor field effect transistor

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Science China(Physics,Mechanics & Astronomy) 2024年第11期67卷 133-140页

作者： Shujin guo Xianghua Kong Hong guo College of Physics and Electronic Engineering Center for Computational SciencesSichuan Normal UniversityChengdu 610068China College of Physics and Optoelectronic Engineering Shenzhen UniversityShenzhen 518060China Department of Physics McGill UniversityMontreal H3A 2T8Canada

For the in-memory computation architecture,a ferroelectric semiconductor field-effect transistor(FeSFET)incorporates ferroelectric material into the FET channel to realize logic and memory in a single *** emerging groupⅢnitride material Al_(1-x)Sc_(x)N provides an excellent platform to explore FeSFET,as this material has significant electric polarization,ferroelectric switching,and high carrier ***,steps need to be taken to reduce the large band gap of~5 eV of Al_(1-x)Sc_(x)N to improve its transport property for in-memory logic *** state-of-the-art first principles analysis,here we predict that alloying a relatively small amount(less than~5%)of Sb impurities into Al_(1-x)Sc_(x)N very effectively reduces the band gap while maintaining excellent *** show that the co-doped Sb and Sc act cooperatively to give a significant band bowing leading to a small band gap of~1.76 eV and a large polarization parameter~0.87 C/m^(2),in the quaternary Al_(1-x)Sc_(x)Sb_(y)N_(1-y)*** Sb impurity states become more continuous as a result of interactions with Sc and can be used for impurity-mediated *** on the Landau-Khalatnikov model,the Landau parameters and the corresponding ferroelectric hysteresis loops are obtained for the quaternary *** findings indicate that Al_(1-x)Sc_(x)Sb_(y)N_(1-y)is an excellent candidate as the channel material of FeSFET.

关键词： ferroelectricity Al_(1-x)Sc_(x)N FeSFET

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A Deep Learning Method for Computing Eigenvalues of the Fractional Schrödinger Operator

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Journal of Systems Science & Complexity 2024年第2期37卷 391-412页

作者： guo Yixiao MING Pingbing LSEC Institute of Computational Mathematics and Scientific/Engineering ComputingAcademy of Mathematics and Systems ScienceChinese Academy of SciencesBeijing 100190China School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049China

The authors present a novel deep learning method for computing eigenvalues of the fractional Schrödinger *** proposed approach combines a newly developed loss function with an innovative neural network architecture that incorporates prior knowledge of the *** improvements enable the proposed method to handle both high-dimensional problems and problems posed on irregular bounded *** authors successfully compute up to the first 30 eigenvalues for various fractional Schrödinger *** an application,the authors share a conjecture to the fractional order isospectral problem that has not yet been studied.

关键词： Eigenvalue problem deep learning fractional Schrödinger operator isospectral problem

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