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China Population and Development Studies 2023年第4期7卷 418-437页

作者： Yiyang Yuan changmin Peng Yan lin Shan Qu Department of Population and Quantitative Health Sciences University of Massachusetts Chan Medical School368 Plantation StreetWorcesterMA 01605USA Department of Gerontology John W.McCormack Graduate School of Public and Global StudiesUniversity of Massachusetts Boston100 Morrissey BoulevardBostonMA 02125USA

Older adults’social participation and social relationship may be affected by their partners’cognitive *** 3,722 cognitively intact married/partnered Health and Retirement Study respondents,latent profile analysis identified three social participation profiles(Limited overall social participation(prevalence:69%);Frequent volunteer participation(10%);Frequent non-volunteer participation(21%)),and three social relationship profiles(Social support from all relationships(68%);Mixed social support and strain from all relationships(18%);Social strain from partner with support from other relationships(14%)).Spouse/partner’s cognition was not significantly associated with social participation *** cognition in spouses/partners increased older adults’likelihood of perceiving social strain from their partners with support from other *** volunteer and non-volunteer participation and perceiving social support from all relationships predicted better self-rated health and lower odds of depressive *** findings highlight the need of community programs that promote social connectedness for older adults living with cognitively impaired spouses/partners.

关键词： Cognitive impairment Social participation Social relationship Latent profile analysis Self-rated health Depressive symptoms

Wearable Sweat Biosensors Refresh Personalized Health/Medical Diagnostics

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Research 2021年第1期2021卷 631-649页

作者： Wenhui Ji Jingyu Zhu Wanxia Wu Nanxiang Wang Jiqing Wang Jiansheng Wu Qiong Wu Xuewen Wang changmin Yu Gaofeng Wei lin Li Fengwei Huo Key Laboratory of Flexible Electronics&Institute of Advanced Materials Nanjing Tech UniversityNanjing 211816China Frontiers Science Center for Flexible Electronics Xi’an Institute of Flexible Electronics(IFE)and Xi’an Institute of Biomedical Materials&EngineeringNorthwestern Polytechnical UniversityXi’an 710072China Naval Medical Department Naval Medical UniversityShanghai 200433China The Institute of Flexible Electronics(IFE Future Technologies)Xiamen UniversityXiamen 361005China

Sweat contains a broad range of critical biomarkers including ions,small molecules,and macromolecules that may indirectly or directly reflect the health status of the human body and thereby help track disease *** sweat biosensors enable the collection and analysis of sweat in situ,achieving real-time,continuous,and noninvasive monitoring of human biochemical parameters at the molecular *** review summarizes the physiological/pathological information of sweat and wearable sweat ***,the production of sweat pertaining to various electrolytes,metabolites,and proteins is ***,the compositions of the wearable sweat biosensors are summarized,and the design of each subsystem is introduced in *** latest applications of wearable sweat biosensors for outdoor,hospital,and family monitoring are ***,the review provides a summary and an outlook on the future developments and challenges of wearable sweat biosensors with the aim of advancing the field of wearable sweat monitoring technology.

关键词： thereby summarized enable

Paper-based Fluorogenic Device for Detection of Copper ions in Biological Syetem

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Paper-based Fluorogenic Device for Detection of Copper ions ...

第十一届全国化学生物学学术会议

作者： Qiong Wu Jia Zhou Meirong Wu Chengwu Zhang changmin Yu lin Li Wei Huang Nanjing Tech University Northwestern Polytechnical University

Microfluidic paper-based analytical devices(μPADs), known as low-cost, easy-to-use, and portable analytical platforms, provide people living in the developing world with affordable and environmentally-friendly disease diagnosis. Sensors on paper are considered as a user-friendly alternative to conventional analytical instrumentations for ‘point-of-care’ medical diagnosis, environmental monitoring, and food quality control. With the properties of affordable, sensitive, specific, user-friendly, rapid and robust, equipment free and deliverable to end-users, μPADs have been widely used for metal ions testing. In this study, a series of sensitive and selective fluorescent sensors for detecting Cu were developed on μPADs. Here we report the small molecule fluorogenic probe(PP2) which is made up of fluorescein moieties and oxyalkyl chain. The sensor exhibits emissions at 520 nm under the excitation wavelength of 460 nm. The fluorescence can be selectively "turn on" upon exposure to Cu. A novel turn-off sensor(P2017) based on BODIPY was also reported. P2017 demonstrates better water solubility and selectivity for Cu detection and exhibits the emissions fluorescence at 510 nm under the excitation wavelength of 480 nm, presenting higher selectivity and sensitivity for Cu over other ions and amino acids. To avoid the quenching probe’s underproperties of fluorescence background, high SNR and wrong response, a reference dye(B001) was introduced on paper-based device, exhibiting the emissions at 690 nm under the 480 nm excitation wavelength. A quenched probe for detecting Cu was replaced by a ratio probe to avoid unnecessary red tape organic synthesis. In addition, this sensor can be effectively employed to detect Cu in the urine, serum, and cytochylema, indicating that this device could be applied to comprehensive sample and point-of-care detection.

关键词： Copper ion Quenched probe Ratiometric sensor Paper-based devices

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非特征边界的MHD方程的边界层

数学年刊（A辑） 2014年第2期35卷 171-192页

作者：谢晓强罗琳李常敏上海第二工业大学理学院上海大学管理学院

考查了小粘性时非特征边界情况下MHD方程在边界附近的性质,说明速度在边界上不为零.源于之前非特征边界条件下不可压缩Navier-Stokes方程边界层的工作,证明了边界层的存在性,并得到了当粘性收敛于零时,MHD方程的解收敛于理想MHD方程的解.

关键词： MHD方程非特征边界边界层

Mott gap engineering in Sr2IrO4/SrTiO3 superlattices

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Science China Materials 2020年第9期63卷 1855-1860页

作者： Xin Liu Yuben Yang Qinghua Zhang Dayu Yan Jingdi Lu Rongyan Chen Youguo Shi changmin Xiong Fa Wang lin Gu Jinxing Zhang Department of Physics Beijing Normal UniversityBeijing 100875China Beijing National Laboratory for Condensed Matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China International Center for Quantum Materials Peking UniversityBeijing 100871China

In recent years,iridium oxides have attracted intensive research interests both in experiments and theories due to their comparable energy scales of the Coulomb repulsion and strong spin-orbit coupling(SOC)[1,2],where a plenty of novel quantum states such as Weyl semimetal,topological insulator and quantum spin liquid have been studied[3–7].Among the iridates,the layered-perovskite Sr2IrO4(SIO)is a Jeff=1/2 Mott insulating antiferromagnet caused by the interplay of the SOC and electronic correlations[8,9].

关键词：自旋轨道耦合量子现象 SrTiO3 过渡金属氧化物强关联超晶格分子束外延原子尺度

Ho^(3+)/Yb^(3+)掺杂铋镓酸盐光学玻璃的上转换发光

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硅酸盐学报 2008年第1期36卷 122-127页

作者：李中华李长敏张莹莹杨殿来杨红侠林海大连工业大学化工与材料学院辽宁大连116034

制备了高折射率Ho3+/Yb3+掺杂铋镓酸盐玻璃,用Brewster原理测量玻璃的折射率为2.296。用倒易法计算Yb3+的发射截面面积为2.109×10?20cm2。在室温,用974nm激光器激发玻璃样品,观察并记录到强烈的双光子上转换荧光。分析认为:铋镓酸盐玻... 详细信息

制备了高折射率Ho3+/Yb3+掺杂铋镓酸盐玻璃,用Brewster原理测量玻璃的折射率为2.296。用倒易法计算Yb3+的发射截面面积为2.109×10?20cm2。在室温,用974nm激光器激发玻璃样品,观察并记录到强烈的双光子上转换荧光。分析认为:铋镓酸盐玻璃中Yb3+直接敏化Ho3+的上转换发光的激发机理是Yb3+到Ho3+的高效能量传递。上转换过程中红光相对强度较强的原因为:玻璃声子能量特性、最大能量声子密度降低和玻璃绿光区强吸收3方面因素增加了5F5能级上的粒子数布居,使5F5→5I8能级的跃迁几率升高,导致红光强度大于绿光强度。

关键词：铋镓酸盐玻璃钬/镱共掺受激发射截面上转换发光低声子能量

稀土钐离子可见荧光量子产率的精确测试与计算

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光学学报 2008年第2期28卷 311-315页

作者：王雪影李长敏于晓波杨殿来林海 Setsuhisa Tanabe 大连工业大学化工与材料学院辽宁大连116034 日本京都大学大学院日本京都606-8501

采用积分球配以CCD光谱测试系统,在蓝色半导体发光二极管激发下,对Sm3+掺杂的低声子能量、高折射率铋碲酸盐玻璃的荧光光谱进行测试。实现了荧光发射特性绝对评价为目的的绝对光谱功率分布测定,为发光与激光材料荧光发射特性的精确测量... 详细信息

采用积分球配以CCD光谱测试系统,在蓝色半导体发光二极管激发下,对Sm3+掺杂的低声子能量、高折射率铋碲酸盐玻璃的荧光光谱进行测试。实现了荧光发射特性绝对评价为目的的绝对光谱功率分布测定,为发光与激光材料荧光发射特性的精确测量与表征提供了一种准确方法。荧光测试系统由直径为25.4cm的积分球配以CCD探测器组成,通过标准卤素灯定标,辅助卤素灯校正积分球内环境变化,解析出样品的绝对光谱功率分布,并进一步计算出光量子数分布,求得荧光量子产率等荧光特征参量。测试与计算结果表明,对应可见区Sm3+四个特征发射峰,总荧光量子产率为7.55%。

关键词：光学材料量子产率积分球测试 Sm^3+离子光谱功率分布

珠江口盆地惠州凹陷珠江组K系列陆架砂脊沉积演化与成因

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石油与天然气地质 2014年第3期35卷 379-385页

作者：丁琳张昌民杜家元施和生罗明王湘蜀贾培蒙长江大学油气资源与勘探技术教育部重点实验室湖北武汉430100 中海石油(中国)有限公司深圳分公司广东广州510240

依据地震沉积学和层序地层学基本原理,对珠江口盆地惠州凹陷珠江组上段MFS18.5-SB17.5地层(K层系)进行了高精度层序地层格架划分,共划分出8个砂层或砂层组。通过以层序界面、最大海泛面及次一级海泛面作为约束条件提取地层切片的研究方... 详细信息

依据地震沉积学和层序地层学基本原理,对珠江口盆地惠州凹陷珠江组上段MFS18.5-SB17.5地层(K层系)进行了高精度层序地层格架划分,共划分出8个砂层或砂层组。通过以层序界面、最大海泛面及次一级海泛面作为约束条件提取地层切片的研究方法,结合钻/测井、岩心和区域沉积背景,在研究区开展精细的地震相和沉积相研究。惠州凹陷珠江组K系列地层主要分布两大沉积体系,西侧为三角洲前缘河口坝-席状砂沉积体系和东南侧为陆架砂脊沉积体系,其中陆架砂脊主要具备以下几个特点:(1)分布在三角洲朵体前端;(2)平行于岸线呈NEE方向,且为条带状展布;(3)向两翼减薄,部分砂脊一翼较厚并具有尖锐边缘,另一翼逐渐变薄,并具有不规则边缘。探讨了这些在陆架上沉积的条带状砂脊成因的机制,指出这些平行于岸线的指状砂脊是三角洲前缘砂受波浪搬运和改造的产物,其在侧向相变为泥岩,是地层岩性油气藏勘探的一个重要领域。

关键词：三角洲前缘陆架砂脊珠江组惠州凹陷珠江口盆地

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无人机集群协同飞行算法

沈阳师范大学学报（自然科学版） 2022年第2期40卷 133-140页

作者：申海于长敏林雨奇沈阳师范大学物理科学与技术学院沈阳110034

在现代战争中,由于单架无人机完成任务有限,无人机集群系统应运而生。如何在拥挤的低空领域中实现无人机集群协同飞行且避障是无人机集群系统需要解决的重要问题之一。针对这一问题,设计了可实现无人机集群协同飞行且在飞行中实现障碍... 详细信息

在现代战争中,由于单架无人机完成任务有限,无人机集群系统应运而生。如何在拥挤的低空领域中实现无人机集群协同飞行且避障是无人机集群系统需要解决的重要问题之一。针对这一问题,设计了可实现无人机集群协同飞行且在飞行中实现障碍物避障的算法,该算法基于无人机编队中的长机-僚机法及集群智能的粒子群算法,实现了无人机集群协同飞行,同时采用人工势场法实现障碍物避障。将1架长机与4架僚机协同飞行进行仿真测试,通过飞行运动轨迹图和无人机分布测试结果观测出,算法满足在静态环境条件下,无人机集群在长机带领下实现集群协同飞行,并自主规避障碍物,且所有无人机均可到达飞行终点,验证了算法具有正确性和鲁棒性。

关键词：无人机集群粒子群算法长机-僚机法人工势场法协同飞行

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德化地区马铃薯晚疫病药剂防治比较试验

中国马铃薯 2008年第4期22卷 223-224页

作者：林清举许长敏德化县农业技术推广中心福建德化362500

对易保、杀毒矾、施得益、克露、阿米西达、除清6种杀菌剂防治马铃薯晚疫病的药效进行比较试验,结果表明:易保、杀毒矾、施得益、克露处理药剂施2次药,防病效果均达95%以上,且保叶增产作用明显,增产率均达13%以上。

关键词：杀菌剂马铃薯晚疫病药效试验