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Probing the Kinematic Signatures of Planet Formation in the Gas Disk of MWC 480

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Research in Astronomy and Astrophysics 2024年第6期24卷 110-118页

作者： min zhao Haochuan Yu Zhengxiang Li Department of Astronomy Beijing Normal UniversityBeijing 100875China Sub-department of Astrophysics Department of PhysicsUniversity of OxfordOxfordOX13RHUK

The disk around MWC 480 has shown multiple substructures in both dust and gas observations,possibly suggesting ongoing planet formation in *** this paper,we explore the gas kinematics of the MWC 480 disk by analyzing the archival Atacama Large Millimeter/submillimeter Array observations of^(12)CO(J=2-1),^(13)CO(J=2-1),and C^(18)O(J=2-1).By modeling the line-of-sight velocities,inferred from the Doppler shifts of the emission lines,we are able to decompose the three-dimensional(3D)velocity field of the disk into rotational,radial,and vertical *** analysis reveals the presence of large-scale gas flows in the(r,z)***,we identify potential meridional flows across various heights as traced by all three CO isotopologues in the 80–120 au region,possibly associated with ongoing planet formation activities in this ***,we find upward flows near 200 au for all three CO isotopologues,which may point to the presence of disk winds.

关键词： protoplanetary disks planet-disk interactions planet-star interactions

Amino acids TORC(talk)to anabolism through uncharged tRNA

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Science China(Life Sciences) 2024年第8期67卷 1775-1776页

作者： Zhen-Zhen Ma Shi-min zhao The Obstetrics&Gynecology Hospital of Fudan University State Key Laboratory of Genetic EngineeringShanghai Key Laboratory of Metabolic Remodelling and HealthFudan UniversityShanghai 200090China

Anabolism is essential for proliferation as well as to replenish dysfunctional macromolecules in *** to that both substantial building blocks and energy are required for anabolism,cells must double check whether these prerequisites are met before deciding to start *** acids are building blocks of protein synthesis,their sufficiency in cells is closely monitored by several mechanisms,which all are linked to protein synthesis.

关键词： synthesis. synthesis deciding

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THE PERSISTENCE OF SOLUTIONS IN A NONLOCAL PREDATOR-PREY SYSTEM WITH A SHIFTING HABITAT

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Acta Mathematica Scientia 2024年第3期44卷 1096-1114页

作者：赵敏袁荣 School of Science Tianjin Chengjian UniversityTianjin300384China Laboratory of Mathematics and Complex Systems(ministry of Education) School of Mathematical SciencesBeijing Normal UniversityBeijing100875China

In this paper,we mainly study the propagation properties of a nonlocal dispersal predator-prey system in a shifting *** is known that Choi et al.[J Differ Equ,2021,302:807-853]studied the persistence or extinction of the prey and of the predator separately in various moving *** particular,they achieved a complete picture in the local diffusion ***,the question of the persistence of the prey and of the predator in some intermediate moving frames in the nonlocal diffusion case was left open in Choi et al.'s *** using some a prior estimates,the Arzelà-Ascoli theorem and a diagonal extraction process,we can extend and improve the main results of Choi et *** achieve a complete picture in the nonlocal diffusion case.

关键词： predator-prey system persistence nonlocal dispersal shifting environment

Position-aware pushing and grasping synergy with deep reinforcement learning in clutter

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CAAI Transactions on Intelligence Technology 2024年第3期9卷 738-755页

作者： min zhao Guoyu Zuo Shuangyue Yu Daoxiong Gong Zihao Wang Ouattara Sie Intelligent Robotics Laboratory Faculty of Information TechnologyBeijing University of TechnologyBeijingChina Beijing Key Laboratory of Computational Intelligence and Intelligent Systems BeijingChina Laboratory of Biomechatronics and Intelligent Robotics(BIRO) Department of Mechanical and Aerospace EngineeringNorth Carolina State UniversityRaleighNorth CarolinaUSA

The positional information of objects is crucial to enable robots to perform grasping and pushing manipulations in *** effectively perform grasping and pushing manipu-lations,robots need to perceive the position information of objects,including the co-ordinates and spatial relationship between objects(e.g.,proximity,adjacency).The authors propose an end-to-end position-aware deep Q-learning framework to achieve efficient collaborative pushing and grasping in ***,a pair of conjugate pushing and grasping attention modules are proposed to capture the position information of objects and generate high-quality affordance maps of operating positions with features of pushing and grasping *** addition,the authors propose an object isolation metric and clutter metric based on instance segmentation to measure the spatial re-lationships between objects in cluttered *** further enhance the perception capacity of position information of the objects,the authors associate the change in the object isolation metric and clutter metric in cluttered environment before and after performing the action with reward function.A series of experiments are carried out in simulation and real-world which indicate that the method improves sample efficiency,task completion rate,grasping success rate and action efficiency compared to state-of-the-art end-to-end *** that the authors’system can be robustly applied to real-world use and extended to novel *** material is available at https://***/NhG\_k5v3NnM}{https://***/NhG\_k5v3NnM.

关键词： deep learning deep neural networks intelligent robots

Human lineage mutations regulate RNA-protein binding of conserved genes NTRK2 and ITPR1 involved in human evolution

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General Psychiatry 2024年第3期37卷 375-387页

作者： Wenxiang Cai Weichen Song Shunying Yu min zhao Guan Ning Lin Shanghai Mental Health Center Shanghai Jiao Tong University School of MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghaiChina Shanghai Key Laboratory of Psychotic Disorders ShanghaiChina

Background The role of human lineage mutations(HLMs)in human evolution through post-transcriptional modification is *** To investigate the contribution of HLMs to human evolution through post-transcriptional *** We applied a deep learning model Seqweaver to predict how HLMs impact RNA-binding protein *** We found that only 0.27%of HLMs had significant impacts on RNA-binding proteins at the threshold of the top 1%of human common *** HLMs enriched in a set of conserved genes highly expressed in adult excitatory neurons and prenatal Purkinje neurons,and were involved in synapse organisation and the GTPase *** genes also carried excess damaging coding mutations that caused neurodevelopmental disorders,ataxia and *** these genes,NTRK2 and ITPR1 had the most aggregated evidence of functional importance,suggesting their essential roles in cognition and *** Our findings suggest that a small subset of human-specific mutations have contributed to human speciation through impacts on post-transcriptional modification of critical brain-related genes.

关键词： evolution conserved Human

RebL1 is required for macronuclear structure stability and gametogenesis in Tetrahymena thermophila

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Marine Life Science & Technology 2024年第2期6卷 183-197页

作者： Huijuan Hao Yinjie Lian Chenhui Ren Sitong Yang min zhao Tao Bo Jing Xu Wei Wang Key Laboratory of Chemical Biology and Molecular Engineering of ministry of Education Institute of BiotechnologyShanxi UniversityTaiyuan 030006China School of Life Science Shanxi UniversityTaiyuan 030006China Shanxi Key Laboratory of Biotechnology Taiyuan 030006China

Histone modification and nucleosome assembly play important roles in chromatin-related *** chaperones form different complexes and coordinate histone transportation and *** histone chaperone complexes have been identified in different *** ciliate protozoa(ciliates)have various chromatin structures and different nuclear ***,histone chaperone components and functions of different subunits remain unclear in ***-rahymema thermophila contains a transcriptionally active macronucleus(MAC)and a transcriptionally inactive micronu-cleus(MIC)which exhibit multiple replication and various chromatin remodeling progresses during vegetative growth and sexual developmental ***,we found histone chaperone RebL1 not only localized evenly in the transcriptionally active MAC but also dynamically changed in the MIC during vegetative growth and sexual developmental ***1 knockdown inhibited cellular *** macronuclear morphology became bigger in growing *** abnormal macronuclear structure also occurred in the starvation ***,micronuclear meiosis was disturbed during sexual development,leading to a failure to generate new gametic ***1 potentially interacted with various factors involved in histone-modifying complexes and chromatin remodeling complexes in different developmental ***1 knockdown affected expression levels of the genes involved in chromatin organization and *** together,RebL1 plays a vital role in maintaining macronuclear structure stability and gametogenesis in ***.

关键词： Gametogenesis Histone chaperone Macronuclear structure RebL1 Tetrahymena thermophilaIntroduction

Understanding and addressing the challenges of online gambling addiction in China's Mainland

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General Psychiatry 2024年第2期37卷 315-318页

作者： Gangliang Zhong Jiang Du min zhao Shanghai Mental Health Center Shanghai Jiao Tong University School of MedicineShanghaiChina Shanghai Key Laboratory of Psychotic Disorders Shanghai Mental Health CenterShanghaiChina CAS Center for Excellence in Brain Science and Intelligence Technology(CEBSIT) Chinese Academy of SciencesShanghaiChina

Introduction Gambling in China has a long and evolving history,from ancient court cockfighting to preliberation casinos with games like baccarat.1 Over time,gambling in China has evolved to include a wide range of activities,including gaming machines,online gambling and commercial *** being declared illegal and regulated after the establishment of the People’s Republic of China,gambling remains deeply ingrained in Chinese culture.

关键词： mainland fighting spite

Rational design of superior catalysts from topological semimetals with nontrivial energy window

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Rare Metals 2024年第5期43卷 1956-1964页

作者： min zhao Li-Rong Wang Wei Liu ming-Hang Li Ying Liu Xue-Fang Dai Guo-Dong Liu Xiao-ming Zhang Key Laboratory of Reliability and Intelligence of Electrical Equipment School of Materials Science and Engineering ManufacturingHebei University of TechnologyTianjin 300130China

Materials featuring topological energy bands and nontrivial surface states hold significant promise in unlocking unprecedented opportunities for innovating electrocatalytic ***,it remains a challenge to realize superior topological catalysts which can carry both high catalytic activity and excellent catalytic ***,we propose that a family of Ni-based binary materials hosting fantasying topological conjunct-nodalpoint state and a large nontrivial energy window(NEWD)represents an ideal choice for such superior topological catalysts in hydrogen evolution *** presence of conjunct-nodal-points ensures long Fermi arcs on the surface,thereby enabling an extremely high catalytic *** NEWD plays a crucial role in stabilizing the high catalytic activity against external perturbations,such as strain and electron/hole *** roles for conjunctnodal-points and NEWD are substantiated by the observable weakening of catalytic performance during topological phase transitions,which result in the removal of the conjunct-nodal-points,NEWD and their corresponding long Fermi *** work unveils a hidden mechanism and opens a feasible route for developing superior quantum catalysts from novel topology point of view.

关键词： First-principles modeling Topological semimetal Nontrivial surface states Hydrogen evolution reaction

Injury Mortality of Children and Adolescents Aged 0–19 Years—China,2010–2021

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China CDC weekly 2024年第14期6卷 294-299,I0001-I0006页

作者： Jingtao Zhou min zhao Hao Huang David C.Schwebel Peishan Ning Zhenzhen Rao Peixia Cheng Li Li Guoqing Hu Department of Epidemiology and Health Statistics Hunan Provincial Key Laboratory of Clinical EpidemiologyXiangya School of Public HealthCentral South UniversityChangsha CityHunan ProvinceChina Department of Psychology University of Alabama at BirminghamBirminghamALUSA Department of Child Adolescent and Women’s HealthSchool of Public HealthCapital Medical UniversityBeijingChina National Clinical Research Center for Geriatric Disorders Xiangya HospitalCentral South UniversityChangsha CityHunan ProvinceChina

Introduction:To examine the recent trends in child injury mortality in ***:Injury mortality data of 2010–2021 for children and adolescents aged 0–19 years were from the China Health Statistics *** mortality disparities across urban *** locations,gender,and age groups were *** percent change(APC),average annual percent change(AAPC),and their 95%confidence intervals(95%CI)were estiamted usimg Joinpoint regression ***:The age-standardized injury mortality significantly dropped from 21.87 to 9.41 per 100,000 population among children and youth aged 0–19 years during 2010–2021,with an AAPC of−6.7%(95%CI:−8.2%,−5.2%).The urban-rural disparity and gender gap in injury mortality reduced *** 2021,drowning and road traffic crashes were the top two causes of child injury deaths,explaing 31.1%and 27.9%of total injury deaths,*** accounted for 62.3%of injury deaths among infants younger than a ***,the suicide mortality rate rose from 2.16 to 3.42 per 100,000 population between 2010 and 2021 among teenagers aged 15–19 *** analyses yielded similar ***:During 2010–2021,the injury mortality decreased significantly among Chinese children and adolescents,and the responding urbanrural disparities narrowed.

关键词： injury younger narrow