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我国医疗机构药品短缺供应保障制度的完善路径

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中国食品药品监管 2024年第6期 78-87页

作者：虞晓晴马韶青罗博文北京中医药大学人文学院

目前,我国基本形成以《药品管理法》为核心的药品短缺供应保障体系,但仍存在实施细则和具体规范有待完善、监管主体有待统一、监测平台有待健全、医疗机构监测能力有待提高、药品短缺报告不足、调配方式有待优化、医药企业质量管理和业... 详细信息

目前,我国基本形成以《药品管理法》为核心的药品短缺供应保障体系,但仍存在实施细则和具体规范有待完善、监管主体有待统一、监测平台有待健全、医疗机构监测能力有待提高、药品短缺报告不足、调配方式有待优化、医药企业质量管理和业务水平有待增强等情况。本文通过借鉴国内外典型做法,结合我国医疗机构药品短缺供应保障现状及面临的挑战,从国家、医疗机构和医药企业3个层面设计具体的完善路径。建议进一步完善立法,统一药品短缺供应协调的监管主体,健全国家药品供应保障综合管理平台,优化医疗机构的监测能力、调配方式和报告处理制度,加强药品生产、质量和流通管理,从而保障医疗机构药品供应,更好地解决药品短缺问题。

关键词：医疗机构药品短缺监测短缺报告供应保障

基于风险指引型设备分级的核电厂电动阀预防性维修周期替代技术的研究

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价值工程 2024年第2期43卷 26-28页

作者：金弘琨袁明豪罗文博曹光辉苏州热工研究院有限公司苏州215004

本文基于风险指引型设备分级的要求,确定了核电厂电动阀预防性维修替代技术的具体方法和流程,用于保证核电厂安全经济运行并提高电动阀可靠性。

关键词：核电厂预防性维修风险指引型设备分级概率安全评价

All-Optical Temporal Differentiator Using a High Resolution Optical Arbitrary Waveform Shaper

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Chinese Physics Letters 2012年第1期29卷 120-122页

作者： DONG Jian-Ji luo bo-wen ZHANG Yin LEI Lei HUANG De-Xiu ZHANG Xin-Liang Wuhan National Laboratory for Optoelectronics College of Optoelectronic Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074

We experimentally demonstrate an all-optical temporal differentiator using a high resolution optical arbitrary waveform shaper,which is based on liquid crystal on silicon switching elements,and both amplitude and phase of the spectrum are *** designing specific transfer functions with the optical waveform shaper,we obtain first-,second-,and third-order differentiators for periodic pulses with small average *** also theoretically analyze the bandwidth limitation of optical waveform shaper on the differentiator.

关键词： optical Optical designing

Substantial increase of heat-induced labor and economic loss in China under rapid economic and environmental temperature growth

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Advances in Climate Change Research 2024年第4期15卷 708-716页

作者： bo-wen CHU Jian-Feng luo Ke-Xin WANG Zhen-Cheng XING Hai-Kun WANG Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric SciencesNanjing UniversityNanjing 210023China Collaborative Innovation Center of Climate Change Jiangsu ProvinceNanjing 210023China Frontiers Science Center for Critical Earth Material Cycling Nanjing UniversityNanjing 210023China Nanjin-Helski Insiute in Amosperc and Earth System Sciences Nanjing UniversityNanjing 210023China

Exposure to heat stress causes diminished work performance and leads to economic *** the last two decades,China has experienced both rapid economic development and environmental warming;however,the spatiotemporal variations of association between environmental heat and labor loss have been rarely investigated behind this double ***,we evaluated the variation in China's heat-induced labor productivity loss and related economic cost from 2001 to 2019 and investigated the effect of economic development and regional *** found that decline in labor productivity because of heat stress increased significantly(p<0.05 for heavy-intensity work),and the corresponding economic loss also exhibited a drastic increase by 6-to *** relative economic loss showed a slight but nonsignificant increase with an average value of 0.54%of the annual total *** the sub-regional and sectoral level,adverse effects were more prominent in the southeast region,and the secondary industry sectors,such as construction and manufacturing,contributed to larger proportions of economic *** transformation of industrial structure made economic sectors more vulnerable to heat exposure,and increasingly preventive effects of air-conditioning use were noted on economic damage due to heat-induced productivity decline(36.0%relative economic benefits in 2019 compared to 9.7%in 2001).Our findings could provide a deep insight into heat burden on occupational health and heat adaptation strategies regionally under climate change,especially in developing areas with higher temperature and humidity environment.

关键词： Heat stress Labor loss Wet bulb globe temperature China Economic impact

Black hole evaporation and its remnants with the generalized uncertainty principle including a linear term

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Communications in Theoretical Physics 2024年第2期76卷 125-136页

作者： bo Yu Zheng-wen Long College of Physics Guizhou UniversityGuiyang550025China

In recent years,researchers have investigated the evaporation of Schwarzschild black holes using various forms of the generalized uncertainty principle(GUP),metric quantum correction,and noncommutative geometry,***,there are differences between the GUP correction and the other two methods in terms of describing the later stages of black hole ***,some studies argue that the GUP with a negative parameter cannot effectively correct black hole evaporation,while others contend that the positivity or negativity of the GUP parameters should not affect the correction *** the above into consideration,we reconsider black hole evaporation with the generalized uncertainty principle including a linear term(LGUP),and examine the case of negative *** results indicate that the evaporation behavior of both Schwarzschild black holes and Reissner–Nordstr?m black holes,under LGUP correction,is consistent with the results of metric quantum correction and non-commutative ***,the negative parameter LGUP can also effectively correct for black hole evaporation.

关键词： black hole evaporation generalized uncertainty principle negative parameter

Gear walk instability caused by brake-disc friction characteristics

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Chinese Journal of Aeronautics 2024年第2期37卷 343-359页

作者： Xiaoqiong DU Bin LI wen CAI Linyin luo School of Aeronautics Northwestern Polytechnical UniversityXi’an 710072China Department of Mechanical Engineering University of MichiganAnn Arbor 48109USA AVIC General Huanan Aircraft Industry Co.Ltd. Zhuhai 519040China

A multi-body dynamic rigid-flexible coupling model of landing gear is established to study the gear walk instability caused by the friction characteristics of the brake *** validating the model with the experimental results,the influence of the landing gear structure and braking system parameters on gear walk is further *** the above factors,the slope of the graph for the friction coefficient of the brake disc and the relative velocity of brake stators and rotors is the most influential factor on gear walk *** trajectory analysis verifies that gear walk occurs when the coupling of multiple factors causes the system to exhibit an equivalent negative damping *** consider a more realistic braking case,a back propagation neural network method is employed to describe the nonlinear behavior of the friction coefficient of the brake *** the realistic nonlinear model of the friction coefficient,the maximum error in predicting the braking torque is less than 10%and the effect of the brake disc temperature on gear walk is *** results reveal that a more negative friction slope may contribute to a more severe unstable gear walk,and reducing the braking pressure is an effective approach to avoid gear walk,which provides help for future braking system design.

关键词： Gear walk Friction characteristics of brake disc Brake-induced vibration Negative damping Rigid-flexible coupling Negative slope of braking torque

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基于二维几何特征的微地形快速识别算法

系统仿真学报 2008年第12期20卷 3320-3322,3326页

作者：罗柏文卜英勇杨勃中南大学机电工程学院长沙410083

为满足水下超声波准确、实时探测海底微地形的需要,研制出一种摆动式单波束探测系统。该系统在探测实验过程中,因出现高程奇异值而造成数字"伪"地形产生,由此提出一种基于二维几何特征的水平、斜坡和凹凸不平三种微地形模式的快速识别... 详细信息

为满足水下超声波准确、实时探测海底微地形的需要,研制出一种摆动式单波束探测系统。该系统在探测实验过程中,因出现高程奇异值而造成数字"伪"地形产生,由此提出一种基于二维几何特征的水平、斜坡和凹凸不平三种微地形模式的快速识别算法。该算法建立在现代统计分析与模糊聚类的理论基础上,具有准确性高、实时性好以及抗干扰能力强等优点;并由物理模拟实验证明,利用该算法能有效消除高程奇异值的影响,识别出来的微地形模式准确可靠,为下一步快速重构逼真的数字微地形提供了保障,能够应用于真实的海底微地形探测。

关键词：超声波微地形二维几何特征模糊聚类算法

关于“平面纯剪切大变形等效应变分析”一文的讨论

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塑性工程学报 2001年第1期8卷 8-8,12页

作者：罗文波湘潭大学基础力学与材料工程研究所湖南411105

对文献 [1]中的平面纯剪切大变形的变形特征及等效应变表达式提出质疑。本文给出了正确的解析表达式。

关键词：平面纯剪切大变形应变分析等效应变变形特征

A Novel 3D Gait Model for Subject Identification Robust against Carrying and Dressing Variations

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Computers, Materials & Continua 2024年第7期80卷 235-261页

作者： Jian luo bo Xu Tardi Tjahjadi Jian Yi College of Information Science and Engineering Hunan Normal UniversityChangsha410000China School of Engineering University of WarwickCoventryCV47ALUK

Subject identification via the subject’s gait is challenging due to variations in the subject’s carrying and dressing conditions in real-life *** paper proposes a novel targeted 3-dimensional(3D)gait model(3DGait)represented by a set of interpretable 3DGait descriptors based on a 3D parametric body *** 3DGait descriptors are utilised as invariant gait features in the 3DGait recognition method to address object carrying and *** 3DGait recognitionmethod involves 2-dimensional(2D)to 3DGaitdata learningbasedon3Dvirtual samples,a semantic gait parameter estimation Long Short Time Memory(LSTM)network(3D-SGPE-LSTM),a feature fusion deep model based on a multi-set canonical correlation analysis,and SoftMax recognition ***,a sensory experiment based on 3D body shape and pose deformation with 3D virtual dressing is used to fit 3DGait onto the given 2D gait images.3Dinterpretable semantic parameters control the 3D morphing and dressing *** degree measurement determines the semantic descriptors of 2D gait images of subjects with various shapes,poses and ***,using the 2D gait images as input and the subjects’corresponding 3D semantic descriptors as output,an end-to-end 3D-SGPE-LSTM is constructed and ***,body shape,pose and external gait factors(3D-eFactors)are estimated using the 3D-SGPE-LSTM model to create a set of interpretable gait descriptors to represent the 3DGait Model,i.e.,3D intrinsic semantic shape descriptor(3DShape);3D skeleton-based gait pose descriptor(3D-Pose)and 3D dressing with other ***,the 3D-Shape and 3D-Pose descriptors are coupled to a unified pattern space by learning prior knowledge from the *** research on CASIA B,CMU Mobo,TUM GAID and GPJATK databases shows that 3DGait is robust against object carrying and dressing variations,especially under multi-cross variations.

关键词： Gait recognition human identification three-dimensional gait canonical correlation analysis