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Possibility of reaching the predicted center of the“island of stability”via the radioactive beam-induced fusion reactions

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Nuclear Science and Techniques 2024年第9期35卷 186-195页

作者： Ming-Hao Zhang Ying Zou Mei-Chen Wang gen Zhang Qing-lin Niu Feng-Shou Zhang The Key Laboratory of Beam Technology of Ministry of Education School of Physics and AstronomyBeijing Normal UniversityBeijing 100875China Institute of Radiation Technology Beijing Academy of Science and TechnologyBeijing 100875China School of Physical Science and Technology Guangxi UniversityNanning 530004China Center of Theoretical Nuclear Physics National Laboratory of Heavy Ion Accelerator of LanzhouLanzhou 730000China

Based on the dinuclear system model,the synthesis of the predicted double-magic nuclei^(2.8)Fl and 30412. was investigated via neutron-rich radioactive beam-induced fusion *** reaction^(58)Ca+^(2.4)Pu is predicted to be favorable for producing^(2.8)Fl with a maximal ER cross section of 0.301 *** of the entrance channel effect reveal that the^(2.4)Pu target is more promising for synthesizing^(2.8)Fl than the neutron-rich targets^(2.8)Cm and^(2.9)Bk,because of the influence of the Coulomb *** the synthesis of 30412.,the maximal ER cross section of 0.046 fb emerges in the reaction^(58)V+^(2.9)Bk,indicating the need for further advancements in both experimental facilities and reaction mechanisms.

关键词： Superheavy nuclei Dinuclear system model Fusion reaction Double-magic nucleus Radioactive beam

Current knowledge for the risk factors of early permanent pacemaker implantation following transcatheter aortic valve replacement and what is next for the primary prevention?

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World Journal of Cardiology 2024年第2期16卷 54-57页

作者： gen-Min lin Wei-Chun Huang Chih-Lu Han Department of Medicine Hualien Armed Forces General HospitalHualien 970Taiwan Cardiovascular Center Kaohsiung Veterans General HospitalKaohsiung 81346Taiwan Department of Medicine Taipei Veterans General HospitalTaipei 112Taiwan

In this editorial,we comprehensively summarized the preoperative risk factors of early permanent pacemaker implantation after transcatheter aortic valve replacement(TAVR)among patients with severe aortic stenosis from several renowned clinical studies and focused on the primary prevention of managing the modifiable factors,e.g.,paroxysmal atrial fibrillation before the TAVR.

关键词： Permanent pacemaker implantation Transcatheter aortic valve replacement Interventricular conduction delay Diabetes Supraventricular arrhythmia

Association of preoperative antiviral treatment with incidences of post-hepatectomy liver failure in hepatitis B virus-related hepatocellular carcinoma

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World Journal of Gastrointestinal Surgery 2024年第7期16卷 2106-2118页

作者： Xiao Wang Zhao-Yi lin You Zhou Qin Zhong Zong-Ren Li Xi-Xiang lin Ming-{2. Hu Kun-Lun He Medical Big Data Research Center Chinese PLA General HospitalBeijing 100853China Medical School of Chinese PLA Chinese PLA General HospitalBeijing 100853China Department of Hepatobiliary Surgery Chinese PLA 970th HospitalYantai 264001Shandong ProvinceChina Faculty of Hepato-Pancreato-Biliary Surgery The First Medical Center of Chinese PLA General HospitalBeijing 100853China School of Medicine Nankai UniversityTianjin 300071China

BACKGROUND Post-hepatectomy liver failure(PHLF)is a common consequence of radical partial hepatectomy in hepatocellular carcinoma(HCC).AIMS To investigate the relationship between preoperative antiviral therapy and PHLF,as well as assess the potential efficacy of hepatitis B virus(HBV)DNA level in predicting *** A retrospective study was performed involving 1301 HCC patients with HBV who underwent radical *** operating characteristic(ROC)analysis was used to assess the capacity of HBV DNA to predict PHLF and establish the optimal cutoff value for subsequent *** regression analyses were performed to assess the independent risk factors of *** increase in the area under the ROC curve,categorical net reclassification improvement(NRI),and integrated discrimination improvement(IDI)were used to quantify the efficacy of HBV DNA level for predicting *** P2.9 IU/mL(P2.(95%CI:0.705-0.754),1.382.95%CI:1.341-1.42.),and 0.112.95%CI:0.110-0.114),*** the above findings were statistically *** In summary,preoperative antiviral treatment can reduce the incidence of PHLF,whereas an increased preoperative HBV DNA level has a correlative relationship with an increased susceptibility to PHLF.

关键词： Hepatocellular carcinoma Hepatitis B virus Preoperative antiviral treatment Liver resection Post-hepatectomy liver failure

A fast forward computational method for nuclear measurement using volumetric detection constraints

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Nuclear Science and Techniques 2024年第2期35卷 47-63页

作者： Qiong Zhang lin-Lv lin University of Electronic Science and Technology of China Chengdu 610000China

Owing to the complex lithology of unconventional reservoirs,field interpreters usually need to provide a basis for interpretation using logging simulation *** the various detection tools that use nuclear sources,the detector response can reflect various types of information of the *** Monte Carlo method is one of the primary methods used to obtain nuclear detection responses in complex ***,this requires a computational process with extensive random sampling,consumes considerable resources,and does not provide real-time response ***,a novel fast forward computational method(FFCM)for nuclear measurement that uses volumetric detection constraints to rapidly calculate the detector response in various complex environments is ***,the data library required for the FFCM is built by collecting the detection volume,detector counts,and flux sensitivity functions through a Monte Carlo ***,based on perturbation theory and the Rytov approximation,a model for the detector response is derived using the flux sensitivity function method and a one-group diffusion *** environmental perturbation is constrained to optimize the model according to the tool structure and the impact of the formation and borehole within the effective detection ***,the method is applied to a neutron porosity tool for *** various complex simulation environments,the maximum relative error between the calculated porosity results of Monte Carlo and FFCM was 6.80%,with a rootmean-square error of 0.62.*** field well applications,the formation porosity model obtained using FFCM was in good agreement with the model obtained by interpreters,which demonstrates the validity and accuracy of the proposed method.

关键词： Nuclear measurement Fast forward computation Volumetric constraints

In-situ thermal Raman mapping and stress analysis of CNT/CF/epoxy interfaces

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新型炭材料（中英文） 2024年第4期39卷 703-714页

作者： HE Jing-zong CHEN Shi MA Zheng-kun LU Yong-gen WU Qi-lin State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China

A study of the interfacial behavior and internal thermal stress distribution in fiber-reinforced composites is essential to assess their performance and ***/carbon fiber(CF)hybrid fibers were constructed using electrophoretic *** interfacial properties of CF/epoxy and CNT/CF/epoxy composites were statistically investigated and compared using in-situ thermal Raman mapping by dispersing CNTs as a Raman sensing medium(CNT_(R))in a *** associated local thermal stress changes can be simulated by capturing the G'band position distribution of CNT_(R) in the epoxy at different *** was found that the G'band shifted to lower positions with increasing temperature,reaching a maximum difference of 2.43 cm^(−1) at 100℃.The interfacial bonding between CNT/CF and the matrix and the stress distribution and changes during heat treatment(2.-100℃)were investig-ated in *** work is important for studying thermal stress in fiber-reinforced composites by in-situ thermal Raman mapping technology.

关键词： Thermal Raman mapping Stress distribution Carbon fiber Carbon nanotube Interface

Hydrogen-rich water alleviates constipation by attenuating oxidative stress through the sirtuin1/nuclear factor-erythroid-2.related factor 2.heme oxygenase-1 signa{2.g pathway

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World Journal of Gastroenterology 2024年第20期30卷 2709-2725页

作者： Kai-Di Chen Kui-ling Wang Chen Chen Yi-Jia Zhu Wen-Wen Tang Yu-Ji Wang Ze-Peng Chen lin-Hai He Yu-{2. Chen Wei Zhang Jiangsu Province Hospital of Chinese Medicine The Affiliated Hospital of Nanjing University of Chinese MedicineNanjing 210029Jiangsu ProvinceChina The No.1 Clinical Medical College Nanjing University of Chinese MedicineNanjing 210029Jiangsu ProvinceChina Department of Colorectal Surgery Jiangsu Province Hospital of Chinese MedicineThe Affiliated Hospital of Nanjing University of Chinese MedicineNanjing 210029Jiangsu ProvinceChina Jiangsu Province Key Laboratory of Tumor Systems Biology and Chinese Medicine The Affiliated Hospital of Nanjing University of Chinese MedicineNanjing 210029Jiangsu ProvinceChina Jiangsu Collaborative Innovation Center of Chinese Medicine in Prevention and Treatment of Tumor The Affiliated Hospital of Nanjing University of Chinese MedicineNanjing 210029Jiangsu ProvinceChina

BACKGROUND Constipation,a highly prevalent functional gastrointestinal disorder,induces a significant burden on the quality of patients'life and is associated with substantial healthcare ***,identifying efficient therapeutic modalities for constipation is of paramount *** stress is a pivotal contributor to colonic dysmotility and is the underlying pathology responsible for constipation ***,we postulate that hydrogen therapy,an emerging and promising intervention,can serve as a safe and efficacious treatment for *** To determine whether hydrogen-rich water(HRW)alleviates constipation and its potential *** Constipation models were established by orally loperamide to Sprague-Dawley *** freely consumed HRW,and were recorded their 2. h total stool weight,fecal water content,and charcoal propulsion *** samples were subjected to 16S rDNA gene *** non-targeted metabolomic analysis,malondialdehyde,and superoxide dismutase levels were *** tissues were stained with hematoxylin and eosin,Alcian blue-periodic acid-Schiff,reactive oxygen species(ROS)immunofluorescence,and immunohistochemistry for cell growth factor receptor kit(c-kit),PGP 9.5,sirtuin1(SIRT1),nuclear factor-erythroid-2.related factor 2.Nrf2.,and heme oxygenase-1(HO-1).Quantitative real-time PCR and western blot analysis were conducted to determine the expression level of SIRT1,Nrf2.and HO-1.A rescue experiment was conducted by intraperitoneally injecting the SIRT1 inhibitor,EX52.,into constipated ***460 cells were induced with H2.2.and treated with the metabolites to evaluate ROS and SIRT1 *** HRW alleviated constipation symptoms by improving the total amount of stool over 2. h,fecal water content,charcoal propulsion rate,thickness of the intestinal mucus layer,c-kit expression,and the number of intestinal *** modulated intestinal microbiota imbalance and abnormaliti

关键词： Hydrogen-rich water Constipation Sirtuin1 Oxidative stress Gut microbiota Serum metabolites

The Existence of a Meridional Curve in Closed Incompressible Surfaces in Fully Alternating link Complements

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Chinese Annals of Mathematics,Series B 2024年第1期45卷 73-80页

作者： Wei lin School of Mathematical Sciences Dalian University of TechnologyDalian 116024LiaoningChina

Menasco showed that a closed incompressible surface in the complement of a non-split prime alternating link in S^(3) contains a circle isotopic in the link complement to a meridian of the *** on this result,he was able to argue the hyperbolicity of non-split prime alternating links in *** et *** that if F■S×I\L is an essential torus,then F contains a circle which is isotopic in S×I\L to a meridian of *** author generalizes his result as follows:Let S be a closed orientable surface,L be a fully alternating link in S×I\If F ■ S×I\L is a closed essential surface,then F contains a circle which is isotopic in S×I\L to a meridian of L.

关键词： Fully alternating Incompressible surfaces Meridionally incompressible

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磁畴壁拓扑结构研究进展

物理学报 2024年第1期73卷 57-68页

作者：张颖李卓霖沈保根中国科学院物理研究所磁学国家重点实验室北京100190

拓扑磁性斯格明子作为信息载体单元具备高可靠性、高集成度、低能耗等优势,有望提高数据读写精度、降低功耗,从而研发新型拓扑自旋电子学材料与原理型器件,为信息技术、5G通信和大数据等的高速发展提供材料与技术支持.但磁性斯格明子同... 详细信息

拓扑磁性斯格明子作为信息载体单元具备高可靠性、高集成度、低能耗等优势,有望提高数据读写精度、降低功耗,从而研发新型拓扑自旋电子学材料与原理型器件,为信息技术、5G通信和大数据等的高速发展提供材料与技术支持.但磁性斯格明子同时存在需要磁场稳定以及电流驱动下斯格明子霍尔效应引起偏转等缺点,严重阻碍了其在实际器件中的应用,因此探索新型拓扑磁畴结构和适宜应用的材料体系成为研究的关键.本文将重点介绍自2.13年理论预言磁畴壁斯格明子以来,利用高分辨率洛伦兹透射电子显微镜原位实空间发现并研究磁畴壁拓扑麦纫和磁畴壁斯格明子的实验工作.首次在范德瓦耳斯Fe_(5–x)GeTe_(2.二维磁性材料中发现温度诱发的180°磁畴壁转变为拓扑麦韧链,研究了磁畴壁麦纫态在外界电场、磁场作用下的集体运动行为,揭示了基于自旋重取向、磁畴壁限域效应以及弱相互作用下生成磁畴壁拓扑态的机制.在该机制指导下,设计制备了具有自旋重取向的GdFeCo非晶亚铁磁薄膜,不仅获得了磁畴壁麦纫,验证了生成机制的普适性,还成功实现了畴壁麦韧对到畴壁斯格明子的可逆拓扑转变,开辟了基于磁畴壁等内禀限域效应开展拓扑磁性物态探索和研究的新方向.

关键词：磁畴壁麦纫磁畴壁斯格明子自旋重取向洛伦兹透射电子显微镜二维磁性材料

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Enhancing Safety in Autonomous Vehicle Navigation:An Optimized Path Planning Approach Leveraging Model Predictive Control

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Computers, Materials & Continua 2024年第9期80卷 3555-3572页

作者： Shih-lin lin Bo-Chen lin Graduate Institute of Vehicle Engineering National Changhua University of EducationChanghua50007TaiwanChina

This paper explores the application of Model Predictive Control(MPC)to enhance safety and efficiency in autonomous vehicle(AV)navigation through optimized path *** evolution of AV technology has progressed rapidly,moving from basic driver-assistance systems(Level 1)to fully autonomous capabilities(Level 5).Central to this advancement are two key functionalities:Lane-Change Maneuvers(LCM)and Adaptive Cruise Control(ACC).In this study,a detailed simulation environment is created to replicate the road network between Nantun andWuri on National Freeway No.1 in *** MPC controller is deployed to optimize vehicle trajectories,ensuring safe and efficient *** onboard sensors,including vehicle cameras and millimeterwave radar,are used to detect and respond to dynamic changes in the surrounding environment,enabling real-time decision-making for LCM and *** simulation resultshighlight the superiority of the MPC-based approach in maintaining safe distances,executing controlled lane changes,and optimizing fuel ***,the MPC controller effectively manages collision avoidance,reduces travel time,and contributes to smoother traffic flow compared to traditional path planning *** findings underscore the potential of MPC to enhance the reliability and safety of autonomous driving in complex traffic *** research will focus on validating these results through real-world testing,addressing computational challenges for real-time implementation,and exploring the adaptability of MPC under various environmental *** study provides a significant step towards achieving safer and more efficient autonomous vehicle navigation,paving the way for broader adoption of MPC in AV systems.

关键词： Autonomous driving model predictive control(MPC) lane change maneuver(LCM) adaptive cruise control(ACC)