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企业档案工作数字化转型模式与路径

山西档案 2025年第3期 117-120页

作者：周宁中共郑州市委党校郑州450042

在梳理企业档案工作数字化转型内涵的基础上,从转型的必要性、模式构建、实施路径等方面进行了系统研究。数字化转型是应对信息时代挑战、提升企业档案管理水平的必由之路。构建企业档案工作数字化转型模式,需要从信息化基础设施建设、... 详细信息

在梳理企业档案工作数字化转型内涵的基础上,从转型的必要性、模式构建、实施路径等方面进行了系统研究。数字化转型是应对信息时代挑战、提升企业档案管理水平的必由之路。构建企业档案工作数字化转型模式,需要从信息化基础设施建设、业务流程再造、管理模式变革等方面整体设计、协同推进。实现企业档案工作数字化转型,要树立数字化转型新理念,健全标准规范体系,加强人才队伍建设,创新成果应用服务,强化过程管控与评估。

关键词：企业管理企业档案工作数字化转型

H_(2)/CO_(2)气体分离用聚苯并咪唑膜的研究进展

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高分子通报 2025年第1期38卷 75-89页

作者：武佳宁中石化(北京)化工研究院有限公司北京100013

H_(2)/CO_(2)气体分离膜技术具有高能效、维护简单等优点,在高纯氢气生产领域有着巨大的潜力。在众多气体分离膜中,仅有小部分能够耐受氢气生产中的严苛环境,并兼具高氢气渗透性能和高H_(2)/CO_(2)选择性。聚苯并咪唑(PBI)因有着优异的... 详细信息

H_(2)/CO_(2)气体分离膜技术具有高能效、维护简单等优点,在高纯氢气生产领域有着巨大的潜力。在众多气体分离膜中,仅有小部分能够耐受氢气生产中的严苛环境,并兼具高氢气渗透性能和高H_(2)/CO_(2)选择性。聚苯并咪唑(PBI)因有着优异的化学稳定性和热稳定性,以及固有的分子筛分能力,已成为高温H_(2)/CO_(2)分离膜的备选材料。本文综述了近年来H_(2)/CO_(2)分离用PBI膜的研究进展,包括PBI交联膜、PBI共混膜、PBI混合基质膜、PBI/超分子复合膜、PBI中空纤维膜和基于PBI的碳分子筛膜,介绍了杂质气体对PBI膜分离性能的影响,分析了各类PBI膜面临的挑战,并对H_(2)/CO_(2)分离用PBI膜的未来发展进行了展望。

关键词：聚苯并咪唑气体分离碳捕集氢气纯化

Construction of extremely low-symmetry double-stranded helicates based on terpyridine ligands with consecutive unsymmetrical modification

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Science China Chemistry 2025年

作者： Shaozhi Wang Jianjun Ma ning Zhang Hao Yu Junjuan Shi Bao Li Houyu Zhang Kun Liu Ming Wang State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University Engineering Research Center of Xinjiang and Central Asian Medicine Resources Ministry of Education Xinjiang Medical University Jilin Province Product Quality Supervision and Inspection Institute

The development of artificial supramolecular double-stranded helical structures has received widespread attention;however,the reports focusing on the construction and resolution of double-stranded helical assemblies based on terpyridine are relatively ***,we report a series of extremely low-symmetry double-stranded helicates (S3,S4,and SR/S) based on the head-totail coordination mode of ladder-style ligands (L3,L4,and LR/S),which are apparently different from the conventional helicates with symmetrical *** ladder-style tridentate ligand L3was first designed and synthesized by characteristic consecutive unsymmetrical modification of *** chiral group 2,6-bis（oxazolinyl）pyridine （PyBox） was designed at the tail of tridentate ligand L3and achieved the chiral resolution of the ***,the self-assembly of mixed three ladder-style ligands （didentate L2,tridentate L3,and tetradentate L4） and single terpyridine ligand （L1） with Zn（II） also exhibited excellent narcissistic self-sorting behavior,without any statistical mixture.

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The Association between Problematic Internet Use,Resilience,and Fatigue in First-Year Medical College Students in China:A Moderated Mediation Model

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International Journal of Mental Health Promotion 2025年第1期27卷 51-63页

作者： Xiumei Chen Xiaobing Lu Yufu ning Lifeng Wang Jeffrey H.Gamble Xianhe Chen Xingyong Jiang I-Hua Chen Peijin Lin School of Information Engineering Shandong Youth University of Political ScienceJinan250103China Faculty of Education Qufu Normal UniversityQufu273165China Department of Applied Foreign Language Studies Nanjing UniversityNanjing210023China Department of English National Changhua University of EducationChanghua50007Taiwan No.1 Senior High School Nanchang330000China Yangan Primary School of Qionglai City Qionglai611535China Chinese Academy of Education Big Data Qufu Normal UniversityQufu273165China School of Education and Psychology Minnan Normal UniversityZhangzhou363000China

Background:Resilience is crucial for medical college students to thrive in the highly stressful environment of medical ***,the prevalence of problematic internet use(PIU)in this population may negatively impact their *** study investigated the influence of problematic online gaming(PG)and problematic social media use(PSMU)on the resilience of medical college students in ***:A sample of 5075 first-year medical college students from four Chinese universities was *** served as the independent variable,resilience as the dependent variable,fatigue as the mediator,and PSMU as the *** equation modeling was conducted using LISREL ***,a moderated mediation model was evaluated using the jAMM module in jamovi ***:The study’s findings revealed significant negative correlations between resilience and the variables of PG,PSMU,and *** mediated the relationship between PG and resilience(B=−0.04,95%CI=[−0.05,−0.03]).PSMU moderated the direct relationship between PG and resilience with the interaction term PG×PSMU significant(B=−0.004,t=−6.501,p<0.001)and the first stage(PG→fatigue)of the mediation with PG×PSMU significant(B=0.055,t=8.351,p<0.001).The detrimental effects of PG on resilience were more pronounced among individuals with lower levels of ***:This study concluded that addressing PIU,particularly PG,is essential for fostering resilience in medical college *** PSMU itself is maladaptive,the underlying social media engagement may serve a protective role through social support in mitigating the adverse effects of PG on resilience.

关键词： Problematic internet use problematic online gaming problematic social media use fatigue resilience structural equation modeling conditional mediation

CHOLINE TRANSPORTER-RELATED 4(CTR4)Is Involved in Drought and Saline Tolerance in Rice

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Rice science 2025年第1期32卷 52-66,I0041-I0049页

作者： YU Shicong LUO Ruxian ZHENG Shuqin ning Jing SHI Yuanzhu GUO Daiming JIA Liangmeng WANG Sen XIAO Guizong GUO Pengwang LI Yang MA Xiaoding State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China Rice Research InstituteSichuan Agricultural UniversityChengdu 611134China State Key Laboratory of Crop Gene Resources and Breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China National Crop Genebank Institute of Crop ScienceChinese Academy of Agricultural SciencesBeijing 100081China

The tolerance of rice to drought and saline stress is crucial for maintaining yields and promoting widespread *** an ethyl methanesulfonate(EMS)-mutagenized mutant library,we identified a mutant that is susceptible to osmotic stress,named Osmotic Stress Sensitivity 1(Oss1).Using MutMap sequencing,we characterized the role of a choline transporter-related family gene,CTR4(Choline Transporter-Related 4),in rice’s tolerance to drought and salt ***4 plays a critical role in regulating membrane lipid *** knockout mutants,the total membrane lipid content,especially unsaturated fatty acids,was significantly *** with the wild type,knockout mutants exhibited decreased membrane lipid stability under drought and salt stress,faster water loss,higher relative electrolyte leakage,and lower levels of proline and soluble sugars,leading to impaired tolerance to drought and salt *** contrast,the overexpression of CTR4 enhanced seedling tolerance to drought and saline *** overexpression lines displayed lower malondialdehyde levels,reduced relative electrolyte leakage,and slower rates of leaf water loss under stress conditions,thereby improving seedling survival rates during ***,lipid synthesis gene expression was down-regulated in CTR4 mutants,potentially exacerbating membrane permeability defects and further compromising stress *** findings suggest that CTR4 mediates choline transport and influences cell membrane formation,thereby enhancing rice defenses against drought and salt stress by maintaining lipid homeostasis.

关键词： Oryza sativa drought stress salt stress choline transporter lipid homeostasis

Forming limit and failure behavior of fiber metal laminates under low-constraint conditions

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Chinese Journal of Aeronautics 2025年第1期38卷 638-653页

作者： Yao WANG Feng DING Yong LI Yunhua ZHANG Sifa ZHENG Libin ZHAO ning HU School of Mechanical Engineering Hebei University of TechnologyTianjin 300401China Suzhou Automotive Research Institute(Xiangcheng) Tsinghua UniversitySuzhou 215134China State Key Laboratory of Reliability and Intelligence Electrical Equipment Hebei University of TechnologyTianjin 300130China School of Mechanical Engineering and Automation Beihang UniversityBeijing 100191China Henan Benjie Technology Co. Ltd.Zhengzhou 450003China Key Laboratory of Advanced Intelligent Protective Equipment Technology Ministry of EducationTianjin 300401China Key Laboratory of Hebei Province on Scale-span Intelligent Equipment Technology Hebei University of TechnologyTianjin 300401China

Fiber Metal Laminates(FMLs),as high-performance composite materials,demonstrate exceptional potential in a wide range of applications,such as aeronautical and astronautical ***,the traditional cured FMLs possess complex interlayer stresses and low forming limits,restricting further promotion and application of ***-constraint FMLs exhibit a lower forming resistance and better formability due to no curing during the forming process;however,the formation mechanism and response are not *** paper presents the Forming Limit Diagram(FLD)of low-constraint GLARE(glass fiber reinforced aluminum laminates)based on the forming limit test,and compares it with the conventionally cured laminates to evaluate the differences in the forming *** addition,combined with the analysis of failure mechanism and micro-deformation mechanism of specimens,the influence of different temperatures(20–80℃)and forming states(width)on the deformation performance of laminates is further *** results reveal that the forming limit curve of low-constraint laminates shifts up with the increase of temperature,the forming limit initially increases with the increase of width,then followed by a gradual decrease,and the maximum principal strain of low-constraint laminates is increased by 29% at 80℃ compared to 20℃.The cured laminate has a principal strain range of 0–0.02,while the low-constraint laminates have a principal strain range of 0.03–*** with cured laminates,low-constraint laminates possess a higher forming limit due to the improvement in deformable degree between layers by resin flow and fiber slippage,which enhances their *** study is expected to serve as a reference for establishing forming limit criteria and optimizing forming schemes for low-constraint laminates.

关键词： Fiber Metal Laminates(FMLs) GLARE Low-constraint state Forming limit Failure mechanism

基于毫米波MIMO信道多维优势提取的密钥协商方法

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通信学报 2025年第1期46卷 124-143页

作者：毛丹丹王宁甄姬娜张宁黄开枝郑州大学电气与信息工程学院河南郑州450001 东南大学毫米波全国重点实验室江苏南京210096 西安电子科技大学网络与信息安全学院陕西西安710126 国家数字交换系统工程技术研究中心河南郑州450002

为了在毫米波(mmWave)多输入多输出(MIMO)通信系统中实现高效的物理层安全密钥协商,基于毫米波MIMO多维信道参数特性,提出了一种基于多维优势提取(AD)的密钥协商方法。将毫米波MIMO信道建模为跨空-时-频域的高维张量,合法通信双方采用... 详细信息

为了在毫米波(mmWave)多输入多输出(MIMO)通信系统中实现高效的物理层安全密钥协商,基于毫米波MIMO多维信道参数特性,提出了一种基于多维优势提取(AD)的密钥协商方法。将毫米波MIMO信道建模为跨空-时-频域的高维张量,合法通信双方采用张量唯一性分解方法,通过一次双向信道估计同时获取幅度、角度、时延等多个信道参数估计值作为优势提取的公共随机性源进行密钥协商,提高了密钥协商效率。在此基础上,综合几何和统计特性分析,建立合法信道与窃听信道参数间的相关性模型,研究了所提方法在不同信道相关场景下的密钥率性能,分析了不同因素对密钥率的影响。

关键词：多维优势提取密钥协商毫米波信道张量分解信道相关性

Gradient‑Layered MXene/Hollow Lignin Nanospheres Architecture Design for Flexible and Stretchable Supercapacitors

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Nano-Micro Letters 2025年第2期17卷 447-462页

作者： Haonan Zhang Cheng Hao Tongtong Fu Dian Yu Jane Howe Kaiwen Chen ning Yan Hao Ren Huamin Zhai Jiangsu Provincial Key Lab of Sustainable Pulp and Paper Technology and Biomass Materials NanJing Forestry UniversityNanjing 210037People’s Republic of China Department of Chemical Engineering and Applied Chemistry University of Toronto200 College StreetTorontoON M5S 3E5Canada Department of Materials Science and Engineering University of Toronto184 College StreetTorontoON M5S 3E4Canada College of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037People’s Republic of China

With the rapid development of flexible wearable electronics,the demand for stretchable energy storage devices has *** this work,a novel gradient-layered architecture was design based on single-pore hollow lignin nanospheres(HLNPs)-intercalated two-dimensional transition metal carbide(Ti_(3)C_(2)T_(x) MXene)for fabricating highly stretchable and durable *** depositing and inserting HLNPs in the MXene layers with a bottom-up decreasing gradient,a multilayered porous MXene structure with smooth ion channels was constructed by reducing the overstacking of MXene ***,the micro-chamber architecture of thin-walled lignin nanospheres effectively extended the contact area between lignin and MXene to improve ion and electron accessibility,thus better utilizing the pseudocapacitive property of *** these strategies effectively enhanced the capacitive performance of the *** addition,HLNPs,which acted as a protective phase for MXene layer,enhanced mechanical properties of the wrinkled stretchable electrodes by releasing stress through slip and deformation during the stretch-release cycling and greatly improved the structural integrity and capacitive stability of the *** electrodes and symmetric flexible all-solid-state supercapacitors capable of enduring 600%uniaxial tensile strain were developed with high specific capacitances of 1273 mF cm^(−2)(241 F g^(−1))and 514 mF cm^(−2)(95 F g^(−1)),***,their capacitances were well preserved after 1000 times of 600%stretch-release *** study showcased new possibilities of incorporating biobased lignin nanospheres in energy storage devices to fabricate stretchable devices leveraging synergies among various two-dimensional nanomaterials.

关键词： Hollow lignin nanospheres MXene Gradient-layered architecture Wrinkled electrodes Stretchable supercapacitors

徐州引领淮海经济区高质量发展的动力机制及空间效应研究

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数理统计与管理 2025年第1期44卷 41-54页

作者：刘宁宁张晶罗璐娜徐州工程学院江苏徐州221018

淮海经济区地处苏鲁豫皖四省交界,区内经济发展差异较大、协调度不高。本文以淮海经济区核心区域10个城市为研究对象,选取人均GDP为响应变量,产业结构质量化与产业发展合理化为解释变量,科技水平、政府支出等要素为控制变量,借助莫兰指... 详细信息

淮海经济区地处苏鲁豫皖四省交界,区内经济发展差异较大、协调度不高。本文以淮海经济区核心区域10个城市为研究对象,选取人均GDP为响应变量,产业结构质量化与产业发展合理化为解释变量,科技水平、政府支出等要素为控制变量,借助莫兰指数进行空间相关性检验,结果表明淮海经济区核心区各城市之间的空间相关性显著。采用LM检验、Hausman检验以及Wald检验,选取时空双固定效应下的空间杜宾模型,对淮海经济区核心区经济发展进行空间溢出效应分析,得出产业发展合理化、科技投入、政府支出、市场需求、城市化水平等要素对徐州引领淮海经济区高质量发展有着正向的溢出效应;产业结构质量化、资本投入、劳动力资源等要素对徐州引领经济高质量发展有着负向的溢出效应。

关键词：区域中心城市高质量发展产业升级空间效应

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