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Lorenz系统的可预报性

物理学报 2006年第2期55卷 969-977页

作者：何文平封国林董文杰李建平扬州大学物理科学与技术学院扬州225002 国家气候中心中国气象局气候研究开放实验室北京100081 中国科学院大气物理研究所东亚区域气候-环境重点实验室北京100029

定义一个动态窗口,以Lorenz模型为预报方程,通过对落入动态窗口中的粒子数和平均预报X分量随积分时间演化规律的分析,从另一个角度初步研究了Lorenz系统的可预报性问题,并讨论了高斯白噪声对系统可预报性的影响.结果表明,落入动态窗口... 详细信息

定义一个动态窗口,以Lorenz模型为预报方程,通过对落入动态窗口中的粒子数和平均预报X分量随积分时间演化规律的分析,从另一个角度初步研究了Lorenz系统的可预报性问题,并讨论了高斯白噪声对系统可预报性的影响.结果表明,落入动态窗口中的粒子数在一定程度上反映了系统的可预报性,处于不同区域的初值集合预报时限各不相同,且不同区域内的初值对于小扰动的敏感程度不一样;对于不同区域内的初值集合,高斯白噪声对系统的可预报时限的影响各不相同.

关键词：可预报性 Lorenz 动态窗口

Detectability of Discrete Event Systems Under Sensor Attacks

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Journal of Systems Science & Complexity 2025年第01期 150-177页

作者： RITSUKA K. lin feng LAFORTUNE Stéphane WANG Caisheng Department of Electrical Engineering and Computer Science University of Michigan Department of Electrical and Computer Engineering Wayne State University

The authors consider the property of detectability of discrete event systems in the presence of sensor attacks in the context of cyber-security. The authors model the system using an automaton and study the general notion of detectability where a given set of state pairs needs to be(eventually or periodically) distinguished in any estimate of the state of the system. The authors adopt the ALTER sensor attack model from previous work and formulate four notions of CA-detectability in the context of this attack model based on the following attributes: strong or weak; eventual or periodic. The authors present verification methods for strong CA-detectability and weak CA-detectability. The authors present definitions of strong and weak periodic CA-detectability that are based on the construction of a verifier automaton called the augmented CA-observer. The development also resulted in relaxing assumptions in prior results on D-detectability, which is a special case of CA-detectability.

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Revolutionizing breast cancer detection:Advances in fluorescent probe technology

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Nano Research 2025年第1期18卷 653-674页

作者： Qian Gao lin Tang Jun Zhan Yiyuan Xue feng Luo State Key Laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases West China Hospital of StomatologySichuan UniversityChengdu 610041China Emergency Obstetrics and Gynecology West China Second University HospitalSichuan UniversityChengdu 610041China Department of Obstetrics and Gynecology West China Second University HospitalSichuan UniversityChengdu 610041China Department of Prosthodontics West China School of StomatologySichuan UniversityChengdu 610041China

With the increasing incidence of breast cancer globally,there is an urgent demand for enhanced diagnostic and therapeutic *** comprehensive review explores advancements in fluorescent probe technology for breast cancer imaging and early *** probes offer unparalleled sensitivity and specificity in detecting cancer biomarkers,enabling early diagnosis and delineation of tumor margins during *** categorize these probes into molecular,nano,ratiometric,the second near-infrared window(NIR-II),and multifunctional varieties,each with unique capabilities for targeting specific cancer *** review highlights recent innovations in probe design,emphasizing their applications in pathogenesis studies,drug development,precision medicine,and fluorescence-guided *** their promising clinical potential,challenges such as safety,biomarker targeting accuracy,system compatibility,and clinical translation *** these hurdles is crucial for the integration of fluorescent probes into standard cancer care,aiming to improve treatment outcomes and patient quality of life.

关键词： breast cancer fluorescent probes imaging early diagnosis biomarker

The transcriptome of MHV-infected RAW264.7 cells offers an alternative model for macrophage innate immunity research

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Animal Models and Experimental Medicine 2025年第1期8卷 57-66页

作者： Yun Liu Ting-Ting feng Wei Tong Zhi guo Xia Li Qi Kong Zhi-Guang Xiang Institute of Laboratory Animal Sciences Chinese Academy of Medical Sciences(CAMS)and Comparative Medicine CenterPeking Union Medical College(PUMC)BeijingP.R.China

Background:Macrophages are the primary innate immune cells encountered by the invading coronaviruses,and their abilities to initiate inflammatory reactions,to main-tain the immunity homeostasis by differential polarization,to train the innate immune system by epigenic modification have been reported in laboratory animal ***:In the current in vitro research,murine macrophage RAW 264.7 cell were infected by mouse hepatitis virus,a coronavirus existed in *** 3-,6-,12-,24-,and 48-h post infection(hpi.),the attached cells were washed with PBS and harvested in Trizol *** The harvest is subjected to transcriptome ***:The transcriptome analysis showed the immediate(3 hpi.)up regulation of DEGs related to inflammation,like Il1b and *** related to M2 differential po-larization,like Irf4 showed up regulation at 24 hpi.,the late term after viral *** addition,DEGs related to metabolism and histone modification,like Ezh2 were de-tected,which might correlate with the trained immunity of ***:The current in vitro viral infection study showed the key innated im-munity character of macrophages,which suggested the replacement value of viral infection cells model,to reduce the animal usage in preclinical research.

关键词： coronavirus innate immunity macrophage transcriptome

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大学英语教师的教育理念

河南职业技术师范学院学报（职业教育版） 2005年第4期 34-35页

作者：丰国林河南师范大学外语部河南新乡453007

大学英语教师始终站在教学改革第一线,理应把握三种基本理念:教学理念--阅读是基础性的,要强化写作对阅读质量的监控作用,以听说教学为主.学生理念--激发学生学习英语的兴趣和积极性是教师角色转变的根本目的.科研理念--加强理论学习,... 详细信息

大学英语教师始终站在教学改革第一线,理应把握三种基本理念:教学理念--阅读是基础性的,要强化写作对阅读质量的监控作用,以听说教学为主.学生理念--激发学生学习英语的兴趣和积极性是教师角色转变的根本目的.科研理念--加强理论学习,提高理论修养,把教学过程变为科研过程.

关键词：大学英语教师教学理念学生理念科研理念

Nd@C3N4-photoredox/chlorine dual catalyzed synthesis and evaluation of antitumor activities of 4-alkylated sulfonyl ketimines

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Chinese Chemical Letters 2025年第2期36卷 412-416页

作者： Hong-Tao Ji Yu-Han Lu Yan-Ting Liu Yu-lin Huang Jiang-feng Tian feng Liu Yan-Yan Zeng Hai-Yan Yang Yong-Hong Zhang Wei-Min He Department of Ophthalmology The Affiliated Nanhua Hospital Hengyang Medical School University of South China School of Chemistry and Chemical Engineering University of South China Department of Lung Cancer and Gastroenterology Hunan Cancer Hospital The Affiliated Cancer Hospital of Xiangya School of Medicine Central South University

The first example of Nd@C3N4-photoredox/chlorine dual catalyzed alkylation with unactivated alkanes as the alkyl sources has been developed,which allows for the synthesis of various 4-alkylated cyclic sulfonyl *** this process,chlorine functions as both a redox and hydrogen atom transfer *** synergism of the reversible Nd2+/Nd3+and Clˉ/Cl˙redox pairs significantly enhances overall photocatalytic *** in vitro anticancer activity of 4-alkylated products was evaluated by using the CCK8assay against both human choroidal melanoma （MUM-2B） and lung cancer （A549） *** 3da showed approximately triple the potency of 5-fluorouracil.

关键词： Chlorine Dual catalysis Hydrogen atom transfer Redox catalyst Semiconductor

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机械产品虚拟样机本体元模型转换方法

机械设计 2016年第9期33卷 25-28页

作者：闫雪锋段国林戴怡天津职业技术师范大学机械工程学院天津300222 河北工业大学机械学院天津300130

为有效支持机械产品虚拟样机统一模型转换仿真及优化模型,基于元模型转换理论,构建虚拟样机EXPRESS本体设计元模型,分析基于设计元模型接口语句与变量型转换规则的学科元模型转换方法。最后以某发动机曲轴飞轮组元模型为例,转换并实例... 详细信息

为有效支持机械产品虚拟样机统一模型转换仿真及优化模型,基于元模型转换理论,构建虚拟样机EXPRESS本体设计元模型,分析基于设计元模型接口语句与变量型转换规则的学科元模型转换方法。最后以某发动机曲轴飞轮组元模型为例,转换并实例化虚拟样机运动仿真模型和有限元模型,证明了该方法的正确性、有效性与实用性。

关键词：机械产品虚拟样机设计元模型学科元模型 MDA

网络舆情事件中的意见领袖网络结构及其政治参与意涵

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东北大学学报（社会科学版） 2015年第2期17卷 169-174页

作者：郭凤林邵梓捷严洁北京大学政府管理学院北京100871

网络是否带来了更平等的政治参与结构?利用一起典型的网络舆情事件——夏俊峰事件的意见领袖微博数据,对其内部网络结构进行分析,发现意见领袖发挥着将公民个体诉求转化为大众议题的中介作用,网络政治参与呈现出"个体-意见领袖-大众"的... 详细信息

网络是否带来了更平等的政治参与结构?利用一起典型的网络舆情事件——夏俊峰事件的意见领袖微博数据,对其内部网络结构进行分析,发现意见领袖发挥着将公民个体诉求转化为大众议题的中介作用,网络政治参与呈现出"个体-意见领袖-大众"的两级结构;意见领袖群体有一定的垄断性特征,具有一定社会经济地位的人在其中发挥着稳定的作用;但意见领袖内部在观察角度和观点上都存在着差异,有助于舆论压力的缓解。

关键词：网络政治参与意见领袖社会网络分析

国民政府主计处的运作及其困境(1931—1949)

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淮阴师范学院学报（哲学社会科学版） 2024年第1期46卷 59-66页

作者：冯国林集美大学马克思主义学院福建厦门361021

国民政府主计处设于1931年,设立初衷是加强国民政府的财政监督。主计处致力于提高国民政府财政管理的现代化、科学化水平,在一定程度上扭转了以往财政紊乱的局面,对澄清吏治亦有重要贡献。主计处依据超然主计的理念而设。超然主计制度... 详细信息

国民政府主计处设于1931年,设立初衷是加强国民政府的财政监督。主计处致力于提高国民政府财政管理的现代化、科学化水平,在一定程度上扭转了以往财政紊乱的局面,对澄清吏治亦有重要贡献。主计处依据超然主计的理念而设。超然主计制度是一种先进科学的制度,但受限于客观环境,主计处的运行存在诸多问题。派系政治也让财政监督的效果大打折扣。

关键词：国民政府主计处财政监督超然主计制度派系之争