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Linking of Chemical Reactions and Silica Nanoparticle Contact Using Synthetic Helical Molecules

Chinese Journal of Chemistry 2024年第15期42卷 1781-1796页

作者： Sheng Zhang ming bao Mieko Arisawa Masahiko Yamaguchi state Key Laboratory of Fine Chemicals Dalian University of TechnologyDalianLiaoning 116024China Department of Bioscience and Biotechnology Graduate Schoolof Bioresource and Bioenvironmental SciencesKyushu UniversityFukuoka 819-0395Japan

Biological cells exhibit diverse phenomena induced through linking of chemical reactions of molecules and solid surface *** is then a significant topic in the field of chemistry to study phenomena induced through this linking using synthetic systems,which can promote our understanding of biological phenomena and can be applied to the development of novel *** nanoparticles(sNPs),which are synthetic inorganic materials,are attractive for such purposes,because of their following characteristics:they can adsorb large amounts of molecules on their surfaces,they can aggregate through contact between SNPs as well as contact between molecules and SNPs,and the molecules can be easily removed from solutions by *** contact of sNP surfaces with molecules then affects chemical reactions of molecules and also behaviors of *** article describes systems derived from synthetic helical molecules and sNPs,which exhibit notable phenomena including selective adsorption and molecular recognition,equilibrium shift,step kinetics with induction period,precipitation with flow and sweeping,and disaggregation and desorption by sonication,in which the high affinity of helical molecules with sNP surfaces plays important *** models that explain the phenomena are *** applications are also discussed,including the separation of molecules,capture of intermediates,the storage and release of molecules,equilibrium shift,clocking,and the translation of mechanical stimulations into chemical reactions.

关键词： Silica nanoparticles Chemical reactions Molecular recognition Linking Nanoparticles Adsorption Chirality Precipitation

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On the Preparation of Low-Temperature-Rise and Low-Shrinkage Concrete Based on Phosphorus Slag

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Fluid Dynamics & Materials Processing 2024年第4期20卷 803-814页

作者： Jianlong Jin Jingjing Ding Long Xiong ming bao Peng Zeng China Construction Ready Mixed Concrete Co. Ltd.Wuhan430000China

The effects of different contents of a MgO expansive agent and phosphorus slag on the mechanical properties,shrinkage behavior,and the heat of hydration of concrete were *** slump flow,setting time,dry shrinkage,and hydration heat were used as sensitive parameters to assess the response of the considered *** shown by the results,in general,with an increase in the phosphorus slag content,the hydration heat of concrete decreases for all ages,but the early strength displays a downward trend and the dry shrinkage rate *** 90-d strength and dry shrinkage of concrete could be improved with a phosphorus residue content between 0%-20%,with the best performances in terms of mechanical properties and shrinkage characteristics being achieved for a content of 20 kg/m^(3).On the basis of these results,it can be concluded that appropriate amounts of phosphorus slag and MgO expansive agent can be used to improve the compressive strength of concrete in the later stage by reducing the hydration heat and dry shrinkage rate,respectively.

关键词： Phosphorus slag MgO expansion agent mass concrete hydration heat

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Lung ultrasound score evaluation of the effect of pressure-controlled ventilation volume-guaranteed on patients undergoing laparoscopicassisted radical gastrectomy

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World Journal of Gastrointestinal Surgery 2024年第6期16卷 1717-1725页

作者： Jian Tan Cheng-ming bao Xiao-Yuan Chen Department of Critical Care Medicine Lishui District People's HospitalNanjing 211200Jiangsu ProvinceChina Department of Ultrasound Medicine Lishui District People's HospitalNanjing 211200Jiangsu ProvinceChina

BACKGROUND Laparoscopic-assisted radical gastrectomy(LARG)is the standard treatment for early-stage gastric carcinoma(GC).However,the negative impact of this proce-dure on respiratory function requires the optimized intraoperative management of patients in terms of *** To investigate the influence of pressure-controlled ventilation volume-guaranteed(PCV-VG)and volume-controlled ventilation(VCV)on blood gas analysis and pulmonary ventilation in patients undergoing LARG for GC based on the lung ultrasound score(LUS).METHODS The study included 103 patients with GC undergoing LARG from May 2020 to May 2023,with 52 cases undergoing PCV-VG(research group)and 51 cases undergoing VCV(control group).LUS were recorded at the time of entering the operating room(T0),20 minutes after anesthesia with endotracheal intubation(T1),30 minutes after artificial pneumoperitoneum(PP)establishment(T2),and 15 minutes after endotracheal tube removal(T5).For blood gas analysis,arterial partial pressure of oxygen(PaO_(2))and partial pressure of carbon dioxide(PaCO_(2))were *** airway pressure(P_(peak)),plateau pressure(Pplat),mean airway pressure(P_(mean)),and dynamic pulmonary compliance(C_(dyn))were recorded at T1 and T2,1 hour after PP establishment(T3),and at the end of the operation(T4).Postoperative pulmonary complications(PPCs)were ***-and postoperative serum interleukin(IL)-1β,IL-6,and tumor necrosis factor-α(TNF-α)were measured by enzyme-linked immunosorbent *** Compared with those at T0,the whole,anterior,lateral,posterior,upper,lower,left,and right lung LUS of the research group were significantly reduced at T1,T2,and T5;in the control group,the LUS of the whole and partial lung regions(posterior,lower,and right lung)decreased significantly at T2,while at T5,the LUS of the whole and some regions(lateral,lower,and left lung)increased *** comparison with the control group,the whole and regional LUS of the research group were reduc

关键词： Lung ultrasound score Pressure-controlled ventilation volume-guaranteed Laparoscopic-assisted radical gastrectomy Blood gas analysis indexes Pulmonary ventilation

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Chinese version of the Perth Alexithymia Questionnaire:psychometric properties and clinical applications

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General Psychiatry 2024年第2期37卷 274-283页

作者： Xin-Lu Cai Qingying Ye Ke Ni Lin Zhu Qian Zhang Minmin Yin Zhe Zhang Wei Wei David A.Preece bao-ming Li Institute of Brain Science and Department of Physiology School of Basic Medical SciencesHangzhou Normal UniversityHangzhouZhejiangChina Zhejiang Philosophy and Social Science Laboratory for Research in Early Development and Childcare Hangzhou Normal UniversityHangzhouZhejiangChina Qiqihar Mental Health Center QiqiharChina Department of Special Education Faculty of EducationHangzhou Normal UniversityHangzhouZhejiangChina Department of Neurobiology Affiliated Mental Health Center&Hangzhou Seventh People's Hospital Zhejiang University School of MedicineHangzhouZhejiangChina Liangzhu Laboratory MOE Frontier Science Center for Brain Science and Brain-machine IntegrationState Key Laboratory of Brain-machine IntelligenceZhejiang UniversityHangzhouZhejiangChina NHC and CAMS Key Laboratory of Medical Neurobiology Zhejiang UniversityHangzhouChina School of Population Health and Curtin enAble Institute Curtin UniversityPerthWestern AustraliaAustralia School of Psychological ScienceThe University of Western AustraliaPerthWestern AustraliaAustralia

Background The alexithymia trait is of high clinical *** Perth Alexithymia Questionnaire(PAQ)was recently developed to enable detailed facet-level and valence-specific assessments of *** In this paper,we introduce the first Chinese version of the PAQ and examine its psychometric properties and clinical *** In Study 1,the PAQ was administered to 990 Chinese *** examined its factor structure,internal consistency,test-retest reliability,as well as convergent,concurrent and discriminant *** Study 2,four groups,including a major depressive disorder(MDD)group(n=50),a matched healthy control group for MDD(n=50),a subclinical depression group(n=50)and a matched healthy control group for subclinical depression(n=50),were *** comparisons were conducted to assess the clinical relevance of the *** In Study 1,the intended five-factor structure of the PAQ was found to fit the data *** PAQ showed good internal consistency and test-retest reliability,as well as good convergent,concurrent and discriminant *** Study 2,the PAQ was able to successfully distinguish the MDD group and the subclinical depression group from their matched healthy *** The Chinese version of the PAQ is a valid and reliable instrument for comprehensively assessing alexithymia in the general population and adults with clinical/subclinical depression.

关键词： clinical instrument matched

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Fifteen acute retrobulbar optic neuritis associated with COVID-19:A case report and review of literature

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World Journal of Clinical Cases 2024年第21期12卷 4827-4835页

作者： Rong-Rong Li bao-ming Zhang Su-Ran Rong Huan Li Peng-Fei Shi Yun-Chang Wang Hebei Provincial Key Laboratory of Ophthalmology Hebei Provincial Clinical Research Center for Eye DiseasesHebei Eye HospitalXingtai 054001Hebei ProvinceChina

BACKGROUND A subtype of the Omicron variant of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is suggested to be responsible for the outbreak in Northern China since the quarantine was lifted in December *** coronavirus disease 2019 virus is primarily responsible for the development of respiratory illnesses,however,it can present a plethora of symptoms affecting a myriad of body *** virus has been theorized to be linked to demyelinating lesions of the peripheral and central nervous system including transverse myelitis and acute retrobulbar optic neuritis(ARON).For example,magnetic resonance imaging(MRI)of the orbit and brain showed enlargement of the retrobulbar intraorbital segments of the optic nerve with high T2 signal,and no abnormalities were seen in the brain *** this case series,we analyzed the connection between SARSCoV-2 infection and the onset of *** SUMMARY Fifteen patients,and a teenage boy who did not have any pre-existing ocular or demyelinating diseases suddenly experienced a loss of vision after SARS-CoV-2 *** patients expressed a central scotoma and a fever as the primary *** results of the fundus photography were found to be ***,the automated perimetry and MRI scans showed evidence of some typical *** of the 15 patients diagnosed with ARON after SARS-CoV-2 infection,only one individual tested positive for the aquaporin-4 *** Direct viral invasion of the central nervous system and an immune-related process are the two primary causes of SARS-CoV-2-related ARON.

关键词： SARS-CoV-2 COVID-19 Acute retrobulbar optic neuritis Central scotoma Li RR et al.ARON associated with COVID-19

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哈特曼-夏克波前传感器高精度球面波标定方法研究

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中国光学（中英文） 2024年第3期17卷 521-527页

作者：包明帝史国华邢利娜何益中国科学技术大学生物医学工程学院(苏州) 江苏苏州215163 中国科学院苏州生物医学工程技术研究所江苏苏州215163

为解决哈特曼-夏克波前传感器传统标定方法存在的测量精度低、稳定性不足等问题,提出了一种基于球面波的哈特曼-夏克波前传感器高精度绝对标定方法。通过理论推导获取了球面波的高精度标定方法,结合搭建的球面波标定实验装置,对子孔径数... 详细信息

为解决哈特曼-夏克波前传感器传统标定方法存在的测量精度低、稳定性不足等问题,提出了一种基于球面波的哈特曼-夏克波前传感器高精度绝对标定方法。通过理论推导获取了球面波的高精度标定方法,结合搭建的球面波标定实验装置,对子孔径数为128×128的哈特曼-夏克波前传感器完成高精度标定。该方法计算得到了哈特曼-夏克波前传感器结构参数f,w以及L_(0)的精确值。对标定后的哈特曼-夏克波前传感器的测量精度进行测试,实验结果表明,经本文方法标定后的哈特曼-夏克波前传感器的波前复原精度达到了PV=1.376×10^(-2)λ,RMS=4×10^(-3)λ(λ=625 nm),重复性精度为PV=3.2×10^(-3)λ,RMS=9.76×10^(-4)λ(λ=625 nm)。该方法可以为大口径的SHWFS完成高精度标定,提升测量精度。

关键词：哈特曼-夏克波前传感器绝对标定球面波前

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Mo_(12)Bi_(1.2)Fe_(3)Co_(8)K_(0.4)用于异丁烯气相氧化制甲基丙烯醛

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精细化工 2024年第8期41卷 1774-1779页

作者：王加升王庆荣吴友根包明大连理工大学精细化工国家重点实验室辽宁盘锦124221

以(NH_(4))_(6)Mo_(7)O_(24)·4H_(2)O、Bi(NO_(3))_(3)·5H_(2)O、Fe(NO_(3))_(3)·9H_(2)O、Co(NO_(3))_(2)·6H_(2)O和KNO_(3)为前驱体金属盐,通过共沉淀法制备了一系列MoBiFeCoK混合氧化物催化剂,考察了主金属Mo、Bi,助金属Fe、Co和掺杂金属K含量对催化剂催化异丁烯气相氧化反应的影响,通过SEM、EDX、XRD、NH_(3)-TPD对掺杂K前后的催化剂进行了表征,同时对催化异丁烯气相氧化反应条件进行了优化,并测试其100 h的催化稳定性。结果表明,Bi、Fe、Co和K的含量对MoBiFeCoK混合氧化物催化剂催化异丁烯气相氧化反应的性能有显著影响,其中,Mo_(12)Bi_(1.2)Fe_(3)Co_(8)K_(0.4)表现出最优催化性能;K的掺杂降低了催化剂酸量(从Mo12Bi1.2Fe3Co8的15.27μmol/g降至Mo_(12)Bi_(1.2)Fe_(3)Co_(8)K_(0.4)的5.91μmol/g),并明显提升主产物甲基丙烯醛(MAL)的选择性;异丁烯气相氧化反应的最佳条件为:以0.66 g Mo_(12)Bi_(1.2)Fe_(3)Co_(8)K_(0.4)为催化剂,反应温度320℃,n(O_(2))∶n(异丁烯)(氧烯比)=10∶1,体积空速(GHSV)=2000h^(-1)。在该条件下,Mo_(12)Bi_(1.2)Fe_(3)Co_(8)K_(0.4)在100h的催化异丁烯气相氧化反应中表现稳定,异丁烯转化率保持在98.6%,MAL选择性保持在86.4%。

关键词：甲基丙烯醛选择性氧化异丁烯 K掺杂催化技术

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生成式人工智能的科技安全风险与防范

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陕西师范大学学报（哲学社会科学版） 2024年第1期53卷 108-121页

作者：孙那鲍一鸣西安交通大学法学院陕西西安710049

生成式人工智能作为科技变革和产业赋能的重要引擎,凭借其强大的自然语言处理能力而具备广泛的应用前景。生成式人工智能具有以下科技安全风险:数字霸权和科技资源垄断等国家安全风险;算法黑箱和算法歧视等算法安全风险;人机互动过程人... 详细信息

生成式人工智能作为科技变革和产业赋能的重要引擎,凭借其强大的自然语言处理能力而具备广泛的应用前景。生成式人工智能具有以下科技安全风险:数字霸权和科技资源垄断等国家安全风险;算法黑箱和算法歧视等算法安全风险;人机互动过程人的自主决策意识丧失的科技伦理风险;跨境流动过程产生的数据和知识产权侵权风险。为构建可信任的生成式人工智能,应共同打造多元共治的生成式人工智能安全风险治理局面,形成风险识别及防范的逻辑闭环。在国家层面应以系统安全观为战略指引,分阶段稳步推进生成式人工智能科技安全立法。在行业层面应以场景理论为导向,分情景开展生成式人工智能的风险识别及其防控。在企业层面应将风险意识植入企业内部文化,探索多模块多层次的风险治理模式,落实企业合规责任。在用户层面应自觉以权利意识和自主决策为基本遵循。

关键词：生成式人工智能科技安全算法监管风险治理

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全球半导体产业格局重塑下两岸半导体产业合作研究

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亚太经济 2024年第2期 140-150页

作者：周小柯李保明北京联合大学台湾研究院北京100101 清华大学台湾研究院北京100084 清华大学台资企业研究中心

全球半导体市场呈现“一超多强”基本格局和重塑态势,产业链出现分散化发展倾向。在技术驱动下先进工艺占比持续提升,在新兴需求拉动下终端应用从高度集中向相对多元发展,在政策推动下生产布局的再调整已经拉开序幕。全球半导体产业格... 详细信息

全球半导体市场呈现“一超多强”基本格局和重塑态势,产业链出现分散化发展倾向。在技术驱动下先进工艺占比持续提升,在新兴需求拉动下终端应用从高度集中向相对多元发展,在政策推动下生产布局的再调整已经拉开序幕。全球半导体产业格局重塑下,两岸半导体产业既面临台商内地投资被部分替代、高端产品贸易受阻及美国对两岸企业共同参与全球价值链的干预加深等不利影响,也面临合作范围拓宽、市场拉力增强及合作必要性提升等有利因素。深化两岸半导体产业合作,短期主要是强化应用端合作,巩固内地智能手机及电子计算机制造优势,拓展新的应用领域;中长期,两岸应共同致力在半导体上游领域开展合作,探索新商业模式,共创发展新空间。

关键词：半导体产业格局重塑影响分析两岸合作

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新质生产力促进体育产业高质量发展的动力机制与路径选择

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广州体育学院学报 2024年第2期44卷 10-19页

作者：罗锡文鲍明晓台州学院教师教育(体育)学院浙江台州318000 北京体育大学北京100084

新质生产力作为推动体育产业转型升级和实现高质量发展的关键动力,其内涵和特征需要进一步深化和理解。通过对新质生产力与体育产业高质量发展概念内涵的解析,探讨新质生产力促进体育产业高质量发展的动力机制,包括科技创新、产业融合... 详细信息

新质生产力作为推动体育产业转型升级和实现高质量发展的关键动力,其内涵和特征需要进一步深化和理解。通过对新质生产力与体育产业高质量发展概念内涵的解析,探讨新质生产力促进体育产业高质量发展的动力机制,包括科技创新、产业融合、需求驱动、政策制度和绿色持续等五个方面,展现新质生产力在提升体育竞技性能、丰富体育消费体验、促进产业结构优化等方面的关键作用。进一步分析影响新质生产力形成和体育产业高质量发展的关键问题,包括科研创新不足、产业融合不畅、需求供给不足、制度环境不健全和绿色理念缺乏等,针对问题提出有效的路径选择,如加强科研创新、促进产业融合、明确需求定位、完善制度环境、倡导绿色发展等策略,旨在为体育产业创新发展提供理论支撑和实践指导,助力实现体育强国梦想和推动社会全面进步。

关键词：新质生产力体育产业高质量发展动力机制路径选择

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