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The 2022 Extreme Heatwave in Shanghai,Lower Reaches of the Yangtze River Valley:Combined Influences of Multiscale Variabilities

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Advances in Atmospheric Sciences 2024年第4期41卷 593-607页

作者： Ping LIANG Zhiqi ZHANG Yihui DING zeng-zhen HU Qi CHEN Key Laboratory of Cities’Mitigation and Adaptation to Climate Change in Shanghai Shanghai Regional Climate CenterChina Meteorological AdministrationShanghai 200030China National Climate Center China Meteorological AdministrationBeijing 100081China Climate Prediction Center NCEP/NWS/NOAACollege ParkMD 20740USA

In the summer of 2022,China(especially the Yangtze River Valley,YRV)suffered its strongest heatwave(HW)event since *** this study,we examined the influences of multiscale variabilities on the 2022 extreme HW in the lower reaches of the YRV,focusing on the city of *** found that about 1/3 of the 2022 HW days in Shanghai can be attributed to the long-term warming trend of global *** mid-summer of 2022,an enhanced western Pacific subtropical high(WPSH)and anomalous double blockings over the Ural Mountains and Sea of Okhotsk,respectively,were associated with the persistently anomalous high pressure over the YRV,leading to the extreme *** Pacific Decadal Oscillation played a major role in the anomalous blocking pattern associated with the HW at the decadal time ***,the positive phase of the Atlantic Multidecadal Oscillation may have contributed to regulating the formation of the double-blocking *** warming of both the warm pool of the western Pacific and tropical North Atlantic at the interannual time scale may also have favored the persistency of the double blocking and the anomalously strong *** the subseasonal time scale,the anomalously frequent phases 2-5 of the canonical northward propagating variability of boreal summer intraseasonal oscillation associated with the anomalous propagation of a weak Madden-Julian Oscillation suppressed the convection over the YRV and also contributed to the ***,the 2022 extreme HW originated from multiscale forcing including both the climate warming trend and air-sea interaction at multiple time scales.

关键词： extreme heatwave multiscale variability air-sea interaction warming trend Yangtze River Valley Shanghai

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Evaluation of the binding affinity and antioxidant activity of phlorizin to pepsin and trypsin

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Food Science and Human Wellness 2024年第1期13卷 392-400页

作者： Jing Zhang Lan Tang Xia Hu zhen zeng Wen Wu Fang Geng Hui Li Di Wu Meat Processing Key Laboratory of Sichuan Province School of Food and Biological EngineeringChengdu UniversityChengdu 610106China School of Chemical Engineering Sichuan UniversityChengdu 610065China

Phlorizin(PHL)is a natural compound with strong antioxidant properties mainly found in *** this paper,the interaction mechanism of PHL with pepsin and trypsin was comparatively evaluated by computer simulation,fluorescence spectra,circular dichroism(CD),and Fourier transform infrared(FT-IR)spectra at a molecular *** spectra showed that PHL quenches the pepsin/trypsin by static *** parameters indicated that PHL binds to pepsin mainly through hydrogen bonds and van der Waals forces,and that of trypsin was electrostatic *** ground state complexes PHL and protease have a moderate affinity of 105 L/mol PHL binds more strongly to trypsin than to *** and FT-IR spectra results showed that pepsin/trypsin decreased theβ-sheet content and slightly changed its secondary structure upon *** experimental results are mutually verified with the predicted computer-aid simulation *** PHL and trypsin binding,the antioxidant capacity of PHL was ***,the antioxidant capacity of PHL was decreased after binding to *** work elucidates the binding of PHL binding mechanisms to pepsin/trypsin and provides useful information for the digestion of PHL to improve the application of PHL in food processing.

关键词： Interaction Phlorizin Pepsin Trypsin Antioxidation

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Precision medicine in inflammatory bowel disease

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Precision Clinical Medicine 2024年第1期7卷 54-80页

作者： zhen zeng Mingshan Jiang Xi Li Jing Yuan Hu Zhang Department of Gastroenterology West China HospitalSichuan UniversityChengdu 610041China Centrefor Inflammatory Bowel Disease West China HospitalSichuan UniversityChengdu 610041China Lab of Inflammatory Bowel Disease Frontiers Science Center for Disease-Related Molecular NetworkWest China HospitalSichuan UniversityChengdu 610041China General Practice Ward/International Medical Center Ward General Practice Medical CenterWest China HospitalSichuan UniversityChengdu 610041China

Inflammatory bowel disease(IBD)is an incurable disease characterized by remission-relapse cycles throughout its *** Crohn's disease(CD)and ulcerative colitis(UC),the two main forms of IBD,exhibit tendency to develop complications and substantial heterogeneity in terms of frequency and severity of relapse,thus posing great challenges to the clinical management for *** treatment strategies are effective in different ways in induction and maintenance therapies for *** advances in studies of genetics,pharmacogenetics,proteomics and microbiome provide a strong driving force for identifying molecular markers of prognosis and treatment response,which should help clinicians manage IBD patients more effectively,and then,improve clinical outcomes and reduce treatment costs of *** this review,we summarize and discuss precision medicine in IBD,focusing on predictive markers of disease course and treatment response,and monitoring indices during therapeutic drug monitoring.

关键词： disease course inflammatory bowel disease precision treatment precision monitoring treatment response

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A novel nano-grade organosilicon polymer:Improving airtightness of compressed air energy storage in hard rock formations

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International Journal of Mining Science and Technology 2024年第3期34卷 305-321页

作者： Zhuyan zheng Guibin Wang Chunhe Yang Hongling Ma Liming Yin Youqiang Liao Kai Zhao zhen zeng Hang Li Yue Han Institute of Rock and Soil Mechanics Chinese Academy of SciencesWuhan 430071China University of Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Geomechanics and Geotechnical Engineering Wuhan 430071China State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing UniversityChongqing 400044China PowerChina Huadong Engineering Corporation Limited Hangzhou 310014China

Enhancing cavern sealing is crucial for improving the efficiency of compressed air energy storage(CAES)in hard rock *** study introduced a novel approach using a nano-grade organosilicon polymer(NOSP)as a sealant,coupled with an air seepage evaluation model that incorporates Knudsen ***,the initial coating application methods were outlined,and the advantages of using NOSP compared to other sealing materials,particularly regarding cost and construction techniques,were also examined and *** results indicated a significant reduction in permeability of rock specimens coated with a 7–10μm thick NOSP ***,under a 0.5 MPa pulse pressure,the permeability decreased to less than 1 n D,and under a 4 MPa pulse pressure,it ranged between4.5×10^(-6)–5.5×10^(-6)m D,marking a 75%–80%decrease in granite *** sealing efficacy of NOSP surpasses concrete and is comparable to rubber *** optimal viscosity for application lies between 95 and 105 KU,and the coating thickness should ideally range from 7 to 10μm,applied to substrates with less than 3%*** study provides new insights into air transport and sealing mechanisms at the pore level,proposing NOSP as a cost-effective and simplified solution for CAES applications.

关键词： Compressed air energy storage Lining Permeability Transient pulse method Hard rock cavern Nano-grade organosilicon polymer coating

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Rapid characterization of non-volatile phenolic compounds reveals the reliable chemical markers for authentication of traditional Chinese medicine Xiang-ru among confusing Elsholtzia species

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Chinese Journal of Natural Medicines 2024年第4期22卷 375-384页

作者： zeng zhen ZHANG Chen HU Jiadong WANG Feiyan WU Ziding WANG Jing ZHANG Jun YANG Shuda CHEN Junfeng LI Mingming TONG Qi QIU Shi CHEN Wansheng The SATCM Key Laboratory for New Resources&Quality Evaluation of Chinese Medicine Institute of Chinese Materia MedicaShanghai University of Traditional Chinese MedicineShanghai 201203China Department of Pharmacy Second Affiliated Hospital of Navy Medical UniversityShanghai 200003China Kunming Plant Classification Biotechnology Co. Ltd.Kunming 650500China School of Pharmaceutical Sciences and Yunnan Key Laboratory of Pharmacology for Natural Products Kunming Medical UniversityKunming 650500China State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs Beijing100700China

The aerial parts of Mosla chinensis *** Mosla chinensis cv.'Jiangxiangru'(MCJ)are widely utilized in traditional Chinese medicine(TCM),known collectively as ***,due to clinical effectiveness concerns and frequent misidentification,the original plants have increasingly been substituted by various species within the genera Elsholtzia and *** challenge in distinguishing between these genera arises from their similar morphological and metabolic *** address this issue,our study introduced a rapid method for metabolic characterization,employing high-resolution mass spectrometry-based *** detailed biosynthetic and chemometric analyses,we pinpointed five phenolic compounds—salviaflaside,cynaroside,scutellarein-7-O-D-glucoside,rutin,and vicenin-2—among 203 identified compounds,as reliable chemical markers for distinguishing Xiang-ru from closely related Elsholtzia *** methodology holds promise for broad application in the analysis of plant aerial parts,especially in verifying the authenticity of aromatic traditional medicinal *** findings underscore the importance of non-volatile compounds as dependable chemical markers in the authentication process of aromatic traditional medicinal plants.

关键词： Genus Elsholtzia Genus Mosla Traditional Chinese medicine Xiang-ru Non-volatile phenolic compounds Liquid chromatography-mass spectrometry

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公共服务体验:我国公共服务高质量发展的新趋势

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行政论坛 2024年第2期31卷 78-89页

作者：徐增阳曾祯华中师范大学政治学部湖北武汉430079 华中师范大学公共管理学院湖北武汉430079

理解我国公共服务在居民需求、治理模式、政策目标和评价方式等方面的时代变化,优化公共服务体验,实现公共服务精准供给,对建设高质量公共服务体系具有重要现实意义。基于对客户体验理论的修正,聚焦满足公众差异化和个性化的需求,本研... 详细信息

理解我国公共服务在居民需求、治理模式、政策目标和评价方式等方面的时代变化,优化公共服务体验,实现公共服务精准供给,对建设高质量公共服务体系具有重要现实意义。基于对客户体验理论的修正,聚焦满足公众差异化和个性化的需求,本研究提出公共服务体验的概念,并认为公共服务体验具体由感官体验、效用体验、关系体验、情感体验和认知体验等五个部分组成。受服务质量、服务流程、服务主体特征和外部环境等因素影响,提升公共服务体验要从公共服务需求管理、供给格局、服务场景和服务技术等方面着手,构建公共服务与公共治理的新发展格局。

关键词：公共服务公共服务体验高质量发展

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育训并举:高职院校与地方龙头企业构建命运共同体路径探索

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成才之路 2024年第10期 49-52页

作者：曾珍吉安职业技术学院江西吉安343000

为解决校企双主体育人难以真正落地、学校教学内容和企业实际需求脱节、学校职前人才培养和企业职后员工培训的衔接不畅等难题,校企双方应共建产业学院,坚持职前学校教育和职后员工培训共进并举,在学生培养和员工培训过程中互促互动、... 详细信息

为解决校企双主体育人难以真正落地、学校教学内容和企业实际需求脱节、学校职前人才培养和企业职后员工培训的衔接不畅等难题,校企双方应共建产业学院,坚持职前学校教育和职后员工培训共进并举,在学生培养和员工培训过程中互促互动、共享资源。建立“互促互动”的校企运行机制,构建“分层分类”的精准人才培养路径,学校和企业互融共生,双双得以长足发展,可以真正构建校企命运共同体。

关键词：高职院校育训并举校企命运共同体人才培养产教融合校企合作

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紫色页岩土壤玫瑰茄栽培技术试验

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河南林业科技 2024年第1期44卷 8-10页

作者：曾臻衡阳市林业局湖南衡阳421000

湖南省衡阳市林业局、衡阳市林业科学研究所从云南省农业科学院引进玫瑰茄品种在衡阳市雁峰区基地紫色页岩土壤上进行栽培对比试验,试验表明,玫瑰茄适应紫色页岩土壤条件,同时筛选出了玫瑰茄适应紫色页岩土壤生长的立地类型、播种时间... 详细信息

湖南省衡阳市林业局、衡阳市林业科学研究所从云南省农业科学院引进玫瑰茄品种在衡阳市雁峰区基地紫色页岩土壤上进行栽培对比试验,试验表明,玫瑰茄适应紫色页岩土壤条件,同时筛选出了玫瑰茄适应紫色页岩土壤生长的立地类型、播种时间、种植密度、轮作年限。

关键词：玫瑰茄紫色页岩土壤栽培试验

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大蒜粉对鸭肉午餐肉品质的影响

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食品工业科技 2024年第11期45卷 56-63页

作者：欧阳灿白辰雨顾泽鹏曾珍刘韫滔四川旅游学院烹饪学院四川成都610100 四川农业大学食品学院四川雅安625014

为探究蒜粉对鸭肉午餐肉品质的影响,获得最佳品质的产品。将0%、2%、4%、6%、8%的大蒜粉添加到午餐肉的制作中,利用电子鼻、质构仪、色差仪和低场核磁共振(Low-field Nuclear Magnetic Resonanc,LF-NMR)分别对产品各品质指标进行测定,... 详细信息

为探究蒜粉对鸭肉午餐肉品质的影响,获得最佳品质的产品。将0%、2%、4%、6%、8%的大蒜粉添加到午餐肉的制作中,利用电子鼻、质构仪、色差仪和低场核磁共振(Low-field Nuclear Magnetic Resonanc,LF-NMR)分别对产品各品质指标进行测定,并结合模糊数学感官评价对鸭肉午餐肉品质进行综合分析。研究结果显示,添加了蒜粉的鸭肉午餐肉与未添加蒜粉午餐肉气味间有较大差异。随着蒜粉添加量的增加,鸭肉午餐肉的各项质构指标和色度的L值均呈现先升高后降低的趋势,其中蒜粉添加量为4%时,各指标达到峰值。同时午餐肉色度的a值均降低,b值整体显著升高(P<0.05),此外午餐肉中的不易流动水含量呈现先增加后减小的趋势,在蒜粉添加量为6%时达到峰值。蒜粉对午餐肉的水分分布有一定的影响。结合模糊数学感官评价结果表明当蒜粉添加量为4%时,鸭肉午餐肉品质最佳。综上,添加4%的大蒜粉能够改善鸭肉午餐肉的质构特性和风味品质,可提高午餐肉的营养和经济价值。

关键词：大蒜粉鸭肉午餐肉低场核磁共振

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针对低像质轨道车辆车顶螺栓松动检测方法研究

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机械设计与研究 2024年第2期40卷 220-224页

作者：王正家谷峰曾臻湖北工业大学机械工程学院武汉430068 现代制造质量工程湖北省重点实验室武汉430068

在轨道车辆车顶螺栓松动检测中,由于维护厂棚内列车的上方架设有高压供电线路,导致对车顶器件的螺栓松动情况进行扫描式视觉检测的组件需要架设在更高的位置,使得相机采集的螺栓图像像素数量不多,螺栓图像质量较低,给螺栓松动的判断带... 详细信息

在轨道车辆车顶螺栓松动检测中,由于维护厂棚内列车的上方架设有高压供电线路,导致对车顶器件的螺栓松动情况进行扫描式视觉检测的组件需要架设在更高的位置,使得相机采集的螺栓图像像素数量不多,螺栓图像质量较低,给螺栓松动的判断带来困难的问题。提出了一种针对低像质轨道车辆车顶螺栓松动检测方法,实现了车顶区域螺栓松动的智能检测。检测时首先对线阵相机采集后的轨道车辆车顶图像进行拼接,并定位车顶螺栓的安装区域;其次将该区域细分为出风口、盖板和风机等几个子区域并导入基于深度学习的目标检测方法,从而确定分区内的螺栓位置;然后通过定位后的螺栓中心点坐标绘制等距半径圆,提取螺栓上的防松线并进行骨架提取与直线拟合;最后,通过计算两条直线之间的角度判断螺栓是否松动。实验结果表明,此方法的轨道车辆车顶螺栓松动的旋转角度,最大相对误差为5.8%,并且螺栓松动检出率达到80%以上,具有一定的工程实用价值。

关键词：轨道车辆螺栓松动目标检测深度学习 Halcon

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