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Acta Oceanologica Sinica 2008年第3期27卷 161-171页

作者： yan yan zhao xinyi zhou liping College of Urban and Environmental Sciences Laboratory for Earth Surface Processes of Ministry of Education Peking University Beijing 100871 China

Aim to linking the variability of drought in northwest China to the oceanic influence of North Atlantic SSTs at the background of global warming and at the regional climate change shifting stages, year aridity index variations in northwest China and summer North Atlantic sea surface temperature （SST） variations are examined for the 44 a period of 1961-2004 using singular value decomposition （SVD） analysis. Results show that the SST anomalies （SSTA）in the North Atlantic in summer reflected three basic models. The first SVD mode of SST pattern shows a dipole - like variation with the positive center located at southwest and negative center at northeast of extratropical North Atlantic. And it strongly relates to the positive trend in AI variation in northwest China. The second coupled modes display the coherent positive anomalies in extratropical North Atlantic SST and the marked opposite trend of AI variability between north and south of Xinjiang. In addition, the lag correlation analysis of the first mode of SSTA and geopotential heights at 500 hPa variations also shows that the indication of the former influencing the latter configuration, which result in higher air temperature and less precipitation when the SSTA in the North Atlantic Ocean in summer motivated Eurasian circulation of EA pattern, further to influence the wet - dry variations in northwest China by the ocean-to - atmosphere forcing.

关键词： aridity index SSTA teleconnection patterns SVD

Maternal Preconception Serum Alanine Aminotransferase Levels and Risk of Preterm Birth among Reproductive-Aged Women—China,2013-2017

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China CDC weekly 2024年第10期6卷 181-188,I0001页

作者： Chuanyu zhao Jiajing Jia Hanbin Wu Qin Xu xinyi Lyu Meiya Liu Xuan Hu Jueming Lei Yuzhi Deng Yuan He Yuanyuan Wang Zuoqi Peng Ya Zhang Hongguang Zhang Qiaomei Wang Haiping Shen Yiping Zhang Donghai yan Ying yang Xu Ma National Research Institute for Family Planning BeijingChina National Human Genetic Resources Center BeijingChina Graduate School of Peking Union Medical College BeijingChina Department of Epidemiology Fuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

Summary What is already known about this topic?The significance of maternal liver health concerning preterm birth(PTB)is well recognized;however,there is a gap in understanding the precise influence of preconception s... 详细信息

关键词： Serum precise concerning

AlphaFold-guided redesign of a plant pectin methylesterase inhibitor for broad-spectrum disease resistance

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Molecular Plant 2024年第9期17卷 1344-1368页

作者： Yeqiang Xia Guangzheng Sun Junhua Xiao xinyi He Haibin Jiang Zhichao Zhang Qi Zhang Kainan Li Sicong Zhang Xuechao Shi zhaoyun Wang Lin Liu Yao zhao Yuheng yang Kaixuan Duan Wenwu Ye Yiming Wang Suomeng Dong yan Wang Zhenchuan Ma Yuanchao Wang Department of Plant Pathology Nanjing Agricultural UniversityNanjingJiangsu 210095China Key Laboratory of Soybean Disease and Pest Control(Ministry of Agriculture and Rural Affairs) Nanjng Agricultural UniversityNanjngJiangsu 210095China Anhui Province Key Laboratory of Crop Integrated Pest Management Anhui Agricultural UniversityHefei 230036China School of Bioengineering Dalian University of TechnologyDalian 116024China State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBejing 100193China These authors contributed equally to the article.

Plant cell walls are a critical site where plants and pathogens continuously struggle for physiological *** we show that dynamic remodeling of pectin methylesterification of plant cell walls is a compo-nent of the physiological and co-evolutionary struggles between hosts and pathogens.A pectin methyles-terase(PsPME1)secreted by Phytophthora sojae decreases the degree of pectin methylesterification,thus synergizing with an endo-polygalacturonase(PsPG1)to weaken plant cell *** counter PsPME1-mediated susceptibility,a plant-derived pectin methylesterase inhibitor protein,GmPMl1,protects pectin to maintain a high methylesterification ***1 protects plant cell walls from enzymatic degrada-tion by inhibiting both soybean and *** pectin methylesterases during ***,constitutive expression of GmPMl1 disrupted the trade-off between host growth and defense *** therefore used AlphaFold structure tools to design a modified form of GmPMI1(GmPMI1R)that specifically targets and inhibits pectin methylesterases secreted from pathogens but notfrom *** expression of GmPMi1R enhanced plant resistance to oomycete and fungal *** summary,our work highlights the biochemical modification of the cell wall as an important focal point in the physiological and co-evolutionary conflict between hosts and microbes,providing an important proof of concept that Al-driven structure-based tools can accelerate the development of new strategies for plant protection.

关键词： apoplastic immunity AlphaFold-guided redesign broad-spectrum disease resistance pectin methyl-esteraseinhibitor cell wall

Association of psychological stress with wives’hypertension across over 10 million Chinese married female population aged 20-49 years

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Chinese Medical Journal 2024年第13期137卷 1583-1591页

作者： Zhenyan zhao Jiajing Jia xinyi Lyu Lihua Zhang Yuanyuan Wang Yuan He Zuoqi Peng Ya Zhang Hongguang Zhang Qiaomei Wang Haiping Shen Yiping Zhang Donghai yan Xu Ma Ying yang State Key Laboratory of Cardiovascular Disease Department of CardiologyFuwai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical Science and Peking Union Medical CollegeBeijing 100037China National Research Institute for Family Planning Beijing 100081China National Human Genetic Resources Center Beijing 102206China Graduate School of Peking Union Medical College Beijing 100730China Department of Maternal and Child Health National Health and Family Planning Commission of the PRCBeijing 100044China

Background:Psychological stress has been reported to be a potential risk factor for hypertension among females,but it remains unclear whether spousal chronic stress levels alter the risk of hypertension among *** examined the associations between stress within the family and hypertension among married ***:Reproductive-aged women who were planning for pregnancy and their husbands were recruited from the National Free Pre-pregnancy Checkup Projects(NFPCP)across 31 provinces in China in 2016 and *** stress of wives or husbands was measured with a 5-point Likert-type scale,and assessed from three domains:work/life-related stress,economic stress,and overall ***-adjusted logistic regression models were used to assess the associations between stress status and the prevalence of ***:Of 10,027,644 couples,261,098(2.60%)women had *** results showed that higher stress levels among themselves or their husbands were associated with a higher prevalence of hypertension in women(P_(for trend)<0.001).Compared with non-stressed participants,female participants with the highest stress themselves were at a greater risk of hypertension,with adjusted odds ratio(OR)of 1.31(95%confidence interval[CI]:1.25-1.37);and compared with participants whose husbands had no stress,those whose husbands had the highest stress level were at a higher risk of hypertension with adjusted OR of 1.24(95%CI:1.20-1.29).Moreover,compared with non-stressed status for both couples,only-wife-stressed,only-husband-stressed,and both-stressed couples were found to be significantly associated with increased risks of wives’hypertension,with adjusted ORs of 1.28(95%CI:1.25-1.31),1.19(95%CI:1.17-1.21),and 1.28(95%CI:1.26-1.31),***:Moderate to severe stress in both spouses might be associated with female hypertension prevalence,which highlights the importance of paying attention to the psychological stresses of couples within the f

关键词： Psychological stress Hypertension Occupational stress Life stress Financial stress

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先天性心脏病婴幼儿母乳喂养研究进展

中国儿童保健杂志 2024年第4期32卷 429-432页

作者：郑岩司在霞赵丽萍张金山东第一医科大学附属省立医院东院区新生儿科山东济南250014 山东中医药大学附属医院麻醉科

母乳是婴幼儿最佳天然食品,还可以降低先天性心脏病(先心病)婴幼儿坏死性小肠结肠炎、喂养不耐受和营养不良等的发生率,改善综合预后。然而,先心病婴幼儿的母乳喂养存在诸多障碍。因国内相关研究较少,本文主要基于国外研究,从母乳对先... 详细信息

母乳是婴幼儿最佳天然食品,还可以降低先天性心脏病(先心病)婴幼儿坏死性小肠结肠炎、喂养不耐受和营养不良等的发生率,改善综合预后。然而,先心病婴幼儿的母乳喂养存在诸多障碍。因国内相关研究较少,本文主要基于国外研究,从母乳对先心病婴幼儿的益处,先心病婴幼儿母乳喂养现状、母乳喂养率低的影响因素以及母乳喂养的实施等方面进行综述,提出未来临床实践的改进方向,以期为国内先心病婴幼儿的母乳喂养管理提供借鉴。

关键词：先天性心脏病婴幼儿母乳喂养

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超宽带薄型频率选择表面吸波体设计

强激光与粒子束 2024年第6期36卷 81-87页

作者：李希王东俊张袁赵翔闫丽萍四川大学电子信息学院成都610065 成都飞机工业(集团)有限责任公司成都610073 电子科技大学电子科学与工程学院成都611731

设计了一种新型集总电阻加载超宽带薄型频率选择表面(FSS)吸波体。该吸波体使用单层单谐振FSS损耗层结构,具有厚度薄、宽带吸波且极化稳定的特点。FSS损耗层单元结构采用非单元中心对称轴集总电阻加载方法,并结合非均匀金属导带宽度和... 详细信息

设计了一种新型集总电阻加载超宽带薄型频率选择表面(FSS)吸波体。该吸波体使用单层单谐振FSS损耗层结构,具有厚度薄、宽带吸波且极化稳定的特点。FSS损耗层单元结构采用非单元中心对称轴集总电阻加载方法,并结合非均匀金属导带宽度和圆顶枝节加载设计有效拓宽了吸波带宽。该吸波体的等效电路分析及全波仿真结果均表明该结构在6.0~26.77 GHz频段内对电磁波吸波率能够达到90%,相对带宽达到126.8%。该吸波体总厚度为0.086λ_(L)(λ_(L)为吸波频段最低频率对应波长),仅为Rozanov理论极限厚度的1.09倍。对该吸波体进行加工与测试,实测结果与仿真结果一致,验证了设计的有效性。

关键词：频率选择表面电路模拟吸波体薄型超宽带集总电阻加载

A review on flexible solar cells

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Science China Materials 2024年第9期67卷 2717-2736页

作者： Shenglei Huang Cheng Qian Xingting Liu liping Zhang Fanying Meng Zhu yan Yinuo zhou Junlin Du Bin Ding Jianhua Shi Anjun Han Wenjie zhao Jian Yu Xin Song Zhengxin Liu Wenzhu Liu Research Center for New Energy Technology(RCNET) National Key Laboratory of Materials for Integrated CircuitsShanghai Institute of Microsystem and Information Technology(SIMIT)Chinese Academy of Sciences(CAS)Shanghai 201800China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210China University of Chinese Academy of Sciences(UCAS) Beijing 100049China School of New Energy and Materials Southwest Petroleum UniversityChengdu 610500China School of Materials Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and ApplicationsChangzhou UniversityChangzhou 213164China Institute of Solid Mechanics Beihang UniversityBeijing 100191China

With the gradual progression of the carbon neutrality target,the future of our electricity supply will experience a massive increase in solar generation,and approximately 50%of the global electricity generation will come from solar generation by *** provides the opportunity for researchers to diversify the applications of photovoltaics(PVs)and integrate for daily use in the *** solar cell technology is the next frontier in solar PV and is the key way to achieve CO_(2)*** integration of PV technology with other fields will greatly broaden the development areas for the PV industry,providing products with higher added *** this paper,we reviewed the latest research progress on flexible solar cells(perovskite solar cells,organic solar cells,and flexible silicon solar cells),and proposed the future applications of flexible solar cell technology.

关键词： carbon neutrality flexible PVs perovskite solar cells organic solar cells flexible silicon solar cells

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基于随机调制实现光信道测量样本去相关分析

红外与激光工程 2024年第4期53卷 243-253页

作者：侯艺浩娄岩陈纯毅赵圣亚李辉李琼秦心怡长春理工大学空间光电技术国家地方联合工程研究中心吉林长春130022 长春理工大学光电工程学院吉林长春130022 长春理工大学重庆研究院重庆401135 长春理工大学计算机科学技术学院吉林长春130022

从大气光信道中可以提取两个合法通信方用来加密其传输的机密信息的公共密钥。首先,为了打破湍流引起的光学波动的相关时间对每秒提取的不相关光信道测量样本的数量限制,提出了为合法通信双方配备随机调制的方法,并针对其实现测量样本... 详细信息

从大气光信道中可以提取两个合法通信方用来加密其传输的机密信息的公共密钥。首先,为了打破湍流引起的光学波动的相关时间对每秒提取的不相关光信道测量样本的数量限制,提出了为合法通信双方配备随机调制的方法,并针对其实现测量样本去相关性进行了理论分析;其次,利用OptiSystem软件仿真分析了大气光信道水平路径传输距离为1 km,中湍流,调制方式为幅度调制条件下,合法通信方在无调制、单调制、双调制三种不同调制的情况下对光信道测量样本自相关性的影响。针对单调制的情形,分析了不同大气光信道传输系数相干时间、伪随机码生成速率、传输距离和信噪比对光信道测量样本自相关性的影响。结果表明,对比无调制情况,在相同采样间隔内,观测到的光信道测量样本的测量数据变化次数增多;同时施加随机调制的发射光信号,在小于湍流引起的光学波动的相关时间的采样间隔下,观测到的光信道测量样本,在滞后100个样本的延迟时间后的自相关性,从无调制情况下的0.676降低到单调制情况下的0.083和双调制情况下的0.035。

关键词：激光通信自相关随机调制大气湍流

肿瘤科护士工作生活质量与死亡应对能力的相关性研究

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中国护理管理 2024年第5期24卷 707-712页

作者：王奕敏祁丽萍赵琴琴颜君中山大学肿瘤防治中心影像科广州市510060 中山大学肿瘤防治中心放疗科广州市510060 中山大学肿瘤防治中心神经外科广州市510060 中山大学护理学院

目的:调查肿瘤科护士工作生活质量及死亡应对能力现状,探讨肿瘤科护士工作生活质量与死亡应对能力的相关性。方法:采用便利抽样法,于2020年7月—8月选取广州市某2家三级甲等肿瘤专科医院193名护士为研究对象,使用一般资料调查表、工作... 详细信息

目的:调查肿瘤科护士工作生活质量及死亡应对能力现状,探讨肿瘤科护士工作生活质量与死亡应对能力的相关性。方法:采用便利抽样法,于2020年7月—8月选取广州市某2家三级甲等肿瘤专科医院193名护士为研究对象,使用一般资料调查表、工作生活质量量表(第2版)、死亡应对能力量表进行现场调查。结果:工作生活质量总分为(106.89±16.46)分,处于中等水平。死亡应对能力总分为(128.29±27.83)分。工作生活质量总分与死亡应对能力总分呈正相关(r=0.161,P<0.05)。结论:肿瘤科护士工作生活质量及死亡应对能力处于中等水平;死亡应对能力是工作生活质量的重要影响因素。管理者可通过加强临终护理培训、心理辅导等措施提高护士死亡应对能力,以改善护士工作生活质量,稳定护理队伍。

关键词：肿瘤科护士工作生活质量死亡应对能力

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空间分集光密钥生成的信道相关性影响

光学精密工程 2024年第13期32卷 2128-2140页

作者：李辉娄岩赵义武陈纯毅侯艺浩赵圣亚秦心怡长春理工大学空间光电技术国家地方联合工程研究中心吉林长春130022 长春理工大学光电工程学院吉林长春130022 长春理工大学计算机科学技术学院吉林长春130022

利用无线光信道本身的特性实现光密钥生成和分发,可为高速星地保密通信提供安全和高效的保障。开展了无线光信道空间分集密钥生成系统相邻子信道相关性的研究。通过实现功率谱反演产生的Kolmogorov大气湍流相位屏,构建了无线光信道(WOC... 详细信息

利用无线光信道本身的特性实现光密钥生成和分发,可为高速星地保密通信提供安全和高效的保障。开展了无线光信道空间分集密钥生成系统相邻子信道相关性的研究。通过实现功率谱反演产生的Kolmogorov大气湍流相位屏,构建了无线光信道(WOC)信道中的多输入多输出(MIMO)模型,采用蒙特卡罗模拟了高斯光束经大气湍流传输特性,比较了不同湍流强度和光束传输距离对光强分布的影响,分析了大气湍流强度、相邻两接收孔径之间的距离、接收孔径、传输距离、光波波长对相邻子信道相关性的影响。结果表明,相邻两接收孔径接收到的光信号功率的相关性随相邻两接收孔径的直径和波长的增大而增加,随相邻两接收孔径之间的距离、光波的传输距离、湍流强度的增加而减小。在大气折射率结构常数C_(n)^(2)为5×10^(-14)m^(-2/3)、接收口径为0.03 m、传输距离为2000 m的近地水平链路条件下,相邻信道之间的距离在0.07 m时接收到的光信号功率的相关性近似为零,此时两个相邻信道彼此独立。该结果可为建立空间分集大气光信道密钥提取系统提供参考。

关键词：无线光通信多输入多输出信道相关性密钥生成湍流相位屏