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A precision clock source design

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Radiation Detection Technology and Methods 2021年第2期5卷 238-244页

作者： Liu Peng wang guanwen Chen Jinhui wang Lei Shi Hua Huo Lihua Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China

Objective HEPS is a fourth-generation photon source under *** adopts the magnetic focusing structure of 7BA,and the beam dynamics aperture is very *** injection scheme adopts the on-axis injection *** minimize perturbation on adjacent bunches during on-axis swap out injection,a set of superfast kicker and high-voltage fast pulse power supply are *** high-voltage fast pulse power supply uses pulsed power stacking technologies,and the power supply needs the multichannel and low jitter clock ***,it is necessary to develop a precise clock *** The clock source adopts FPGA controller with full digital control,and the output pulse mode of the system can be adjusted in real time.A detection module based on program control is used to check repetition rate and bottom width of input clock and output clock in real ***-speed and precision clock signal output circuit is used to guarantee signal integrity and reduce clock signal *** The prototype experiment proves that the output clock can well meet requirements of *** minimum bottom width of the independent clock is 5 ns,the minimum time interval of the two groups of clocks is 5 ns,and the jitter of output clock is lower than 50 *** developed clock source can well meet the application requirements of high-voltage fast pulse power supply in HEPS injection system.

关键词： HEPS Kicker Clock source High-voltage fast pulse power supply Low jitter

Unlocking Societal Recognition and Acceptance: A Case Study of Python

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Proceedings of Business and Economic Studies 2023年第6期6卷 69-75页

作者： guanwen wang Taigu Campus Shanxi Agricultural UniversityJinzhong 030600Shanxi ProvinceChina

This study employs Python,a high-level programming language,as a case *** analyzing the inherent characteristics of Python within its social context,this study explores its advantages in meeting social needs,influencing social psychology,and garnering external *** primary objective of this analysis is to disrupt the established monopoly held by older programming languages such as Java,Rust,and C++.As a result,Python has emerged as the most widely utilized and popular programming language *** Python as a representative example,this study extends its focus to examine the conditions under which products across various societal domains not only gain recognition but also find widespread acceptance and application in the *** thorough scrutiny within the demanding landscape of society,the study contends that products meeting such conditions are well-positioned to contribute significantly to societal progress.

关键词： Python Society Acceptance

Interfacial nitrogen engineering of robust silicon/MXene anode toward high energy solid-state lithium-ion batteries

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Journal of Energy Chemistry 2022年第4期31卷 727-735页

作者： Xiang Han Weijun Zhou Minfeng Chen Jizhang Chen guanwen wang Bo Liu Linshan Luo Songyan Chen Qiaobao Zhang Siqi Shi Ching-Ping Wong College of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037JiangsuChina School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaUSA College of Mathematics and Physics Jinggangshan UniversityJi'an 343009JiangxiChina Department of Physics Jiujiang Research Institute and Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient DevicesXiamen UniversityXiamen 361005FujianChina Department of Materials Science and Engineering College of MaterialsXiamen UniversityXiamen 361005FujianChina School of Materials Science and Engineering Shanghai UniversityShanghai 200444China

Replacing the conventional carbonate electrolyte by solid-state electrolyte (SSE) will offer improved safety for lithium-ion *** further improve the energy density,Silicon (Si) is attractive for next generation solid-state battery (SSB) because of its high specific capacity and low *** energy density and safe Si-based SSB,however,is plagued by large volume change that leads to poor mechanical stability and slow lithium ions transportation at the multiple interfaces between Si and ***,we designed a self-integrated and monolithic Si/two dimensional layered T_(3)C_(2)T_(x)(MXene,T_(x) stands for terminal functional groups) electrode architecture with interfacial nitrogen *** a heat treatment process,the polyacrylonitrile not only converts into amorphous carbon (a-C) that shells Si but also forms robust interfacial nitrogen chemical bonds that anchors Si and *** repeated lithiation and delithiation processes,the robust interfacial engineered Si/MXene configuration enhances the mechanical adhesion between Si and MXene that improves the structure stability but also contributes to form stable solid-electrolyte interphase (SEI).In addition,the N-MXene provides fast lithium ions transportation ***,the Si/MXene with interfacial nitrogen engineering (denoted as Si-N-MXene) deliveres high-rate performance with a specific capacity of 1498 m Ah g^(-1) at a high current of 6.4 A g^(-1).A Si-N-MXene/NMC full cell exhibited a capacity retention of 80.5%after 200 *** Si-N-MXene electrode is also applied to SSB and shows a relative stable cycling over 100 cycles,demonstrating the versatility of this concept.

关键词： Solid-state lithium-ion battery Monolithic Si/MXene anode Interfacial nitrogen engineering Lithium ions transportation

Development of the pulse bump magnet in HEPS

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Radiation Detection Technology and Methods 2023年第4期7卷 521-530页

作者： Lihua Huo Jinhui Chen guanwen wang Lei wang Yuemei Peng Zhe Duan Yuanyuan Guo Guanjian Wu Xinzhe Zhai Institute of High Energy Physics Chinese Academy of SciencesBeijing100049China University of Chinese Academy of Sciences CASBeijing100049China

Purpose In the extraction process from booster to storage ring(BTS)for high energy photon source(HEPS),the implementation of four pulse bump magnets plays a crucial role in creating a localized *** serves to effectively reduce the upstream kicker strength and facilitate the extraction *** this paper,the development of four pulse bump magnets is presented,which were meticulously designed and thoroughly discussed,taking into consideration dynamic characteristics of the pulse magnet such as magnetic field,eddy current,induced voltage,and *** The magnetic field and eddy currents of the pulse bump magnet were calculated through simulation using OPERA/ELLEKTRA,based on the 3D *** design of the magnet incorporated the utilization of eddy currents within the vacuum chamber to achieve improved field ***,the measurements were performed to validate the magnet's *** The central magnetic field,integral magnetic field,effective length,and field uniformity measured for the first magnet meet the design *** temperature measurement of the first magnet indicates that the temperature in the magnet was within acceptable *** measurement results for the other three magnets are consistent with those of the first *** The magnetic field performances of four pulse bump magnets meet the physical requirements for beam extraction in BTS of ***,the magnets have demonstrated reliable operation during extended testing periods.

关键词： Pulse bump magnet Magnetic field Eddy current Induced voltage Vibration Measurement

A novel isoform of ATOH8 promotes the metastasis of breast cancer by regulating RhoC

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Journal of Molecular Cell Biology 2021年第1期13卷 59-71页

作者： Mengyao Xu Shan Huang Xiaoli Dong Yanan Chen Miao Li Wen Shi guanwen wang Chongbiao Huang Qiong wang Yanhua Liu Peiqing Sun Shuang Yang Rong Xiang Antao Chang School of Medicine Nankai UniversityTianjin 300071China Department of Cancer Biology and Comprehensive Cancer Center Wake Forest University Medical CenterWinston-SalemNC 27157USA International Collaborative Innovation Center of Medicine Nankai UniversityTianjin 300071China Department of Pancreatic Cancer Tianjin Medical University Cancer Institute and Hosp让alNational Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin 300060China

Metastases are the main cause of cancer-related mortality in breast *** significant progress has been made in the field of tumor metastasis,the exact molecular mechanisms involved in tumor metastasis are still ***,we report that ATOH8-V1,a novel isoform of ATOH8,is highly expressed in breast cancer and is a negative prognostic indicator of survival for *** expression of ATOH8-V1 dramatically enhances,while silencing of ATOH8-V1 decreases the metastasis of breast cancer cell ***,ATOH8-V1 directly binds to the RhoC promoter and stimulates the expression of RhoC,which in turn enhances the metastasis of breast ***,our data demonstrate that ATOH8-V1 is a novel pro-metastatic factor that enhances cancer metastasis,suggesting that AT0H8-V1 is a potential therapeutic target for treatment of metastatic cancers.

关键词： breast cancer ATOH8 metastasis RhoC

The interferon-stimulated exosomal hACE2 potently inhibits SARS-CoV-2 replication through competitively blocking the virus entry

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Signal Transduction and Targeted Therapy 2021年第6期6卷 1811-1821页

作者： Junsong Zhang Feng Huang Baijin Xia Yaochang Yuan Fei Yu guanwen wang Qianyu Chen Qian wang Yuzhuang Li Rong Li Zheng Song Ting Pan Jingliang Chen Gen Lu Hui Zhang Guangdong Provincial People's Hospital Guangdong Academy of Medical SciencesGuangzhouGuangdong China Institute of Human Virology Key Laboratory of Tropical Disease Control of Ministry EducationGuangdong Engineering Research Center for Antimicrobial Agent and ImmunotechnologyZhongshan School of MedicineSun Yat-sen UniversityGuangzhouGuangdongChina Bioland Laboratory(Guangzhou Regenerative Medicine and Health Guangdong Laboratory) GuangzhouGuangdongChina School of Medicine Sun Yat-sen UniversityGuangzhouGuangdongChina Infectious Disease Center Guangzhou Eighth People's Hospital Guangzhou Medical UniversityGuangzhouChina Department of Respiratory Diseases Guangzhou Women and Children HospitalGuangzhouGuangdongChina

Since the outbreak of coronavirus disease 2019(COVID-19),it has become a global *** spike(S)protein of etiologic severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)specifically recognizes human angiotensin-converting enzyme 2(hACE2)as its receptor,which is recently identified as an interferon(IFN)-stimulated ***,we find that hACE2 exists on the surface of exosomes released by different cell types,and the expression of exosomal hACE2 is increased by IFNα/β *** particular,exosomal hACE2 can specifically block the cell entry of SARS-CoV-2,subsequently inhibit the replication of SARS-CoV-2 in vitro and ex *** findings have indicated that IFN is able to upregulate a viral receptor on the exosomes which competitively block the virus entry,exhibiting a potential antiviral strategy.

关键词： interferon competitive acute

全球生态治理的现实挑战及中国方案——基于“生命共同体”方法论视角

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浙江学刊 2022年第6期 150-156页

作者：王冠文大连理工大学马克思主义学院大连116026

构建全球生态治理体系是推动全球绿色发展与建设全球生态文明的迫切需要,它突破了地域空间和主权国家的局限,致力于在全球范围内建造一个追求生态利益、承担生态责任、实现生态共治共享的“清洁美丽的世界”亦即人与自然生命共同体。“... 详细信息

构建全球生态治理体系是推动全球绿色发展与建设全球生态文明的迫切需要,它突破了地域空间和主权国家的局限,致力于在全球范围内建造一个追求生态利益、承担生态责任、实现生态共治共享的“清洁美丽的世界”亦即人与自然生命共同体。“生命共同体”方法论是生态危机视角下解决人与自然矛盾的科学方法论指导,成为解决生态环境问题的出发点与归宿。本文从全球生态治理面临的现实挑战出发,遵循“生命共同体”方法论的生态治理建构原则并指出其逻辑必然,提出“生命共同体”方法论嵌入全球生态治理的中国方案。

关键词：人与自然生命共同体全球生态治理现实困境

人与自然和谐共生现代化的价值超越与实践路径

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浙江学刊 2024年第6期 12-18页

作者：王冠文大连理工大学马克思主义学院大连116024

建设人与自然和谐共生的现代化体现了党对新时代中国社会主要矛盾的准确把握与科学回应,是中国式现代化的重要特征和本质要求之一。人与自然和谐共生现代化是对由资本逻辑主导的西方现代化道路的价值超越,致力于解决资本与生态的对抗性... 详细信息

建设人与自然和谐共生的现代化体现了党对新时代中国社会主要矛盾的准确把握与科学回应,是中国式现代化的重要特征和本质要求之一。人与自然和谐共生现代化是对由资本逻辑主导的西方现代化道路的价值超越,致力于解决资本与生态的对抗性矛盾。建设人与自然和谐共生的现代化,要将以人与自然和谐共生为核心的生态化价值规律贯穿于现代化的理念、领域、体制、动力、目标之中,实现生态文明建设与社会主义现代化建设的统一。

关键词：人与自然和谐共生现代化生态文明资本

以马克思主义民本观为指导的民生保障机制构建

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学术前沿 2017年第22期 88-91页

作者：王冠文王丹大连海事大学马克思主义学院

当前,我国在调整利益格局的同时,如何切实改善民生,已成为政府在改革深化过程中必须虑及的问题。因此,我党已对民生问题给予了高度关注,在深化改革的同时,着力缓解教育、收入、医疗以及养老等热点问题,但目前收效仍与预期存在差距。为... 详细信息

当前,我国在调整利益格局的同时,如何切实改善民生,已成为政府在改革深化过程中必须虑及的问题。因此,我党已对民生问题给予了高度关注,在深化改革的同时,着力缓解教育、收入、医疗以及养老等热点问题,但目前收效仍与预期存在差距。为加速改善民生问题,须在马克思主义民本观的指导下,构建更趋完善的民生保障机制。

关键词：时代特征马克思主义民本观民生保障机制构建路径