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Association of glomerular filtration rate with arterial stiffness in Chinese women with normal to mildly impaired renal function

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Journal of Geriatric Cardiology 2012年第2期9卷 158-165页

作者： Su-Yan Bian Hong-Yang Guo Ping Ye Lei-Ming Luo Hong-Mei Wu Wen-Kai Xiao Li-PingQi he-peng yu Liu-Fa Duan The Second Department of Geriatric Cardiology Chinese PLA General Hospital 28 Fuxing Road Beijing 100853 China Departmen of Cardiology Chinese PLA General Hospital 28 Fuxing Road Beijing 100853 China

Objective Both decreased glomemlar filtration rate （GFR） and arterial stiffness were considered as risk factors for atherosclerosis. Previous studies have suggested the association between central arterial stiffness and the degree of GFR loss. Whether decreased GFR contributes to peripheral artery stiffness remains controversial. Moreover, data analyzed from a cohort of Chinese women are rare. Our aim was to explore the relationship between GFR and regional arterial stiffness in Chinese women. Methods In this cross-sectional study, we randomly recruited 1131 adult women residents with GFR 〉 60 mL/min per 1.73 m2 estimated by the Chinese Modification of Diet in Renal Disease equation from three large communities. Central and peripheral arterial stiffness were estimated simultaneously by measuring carotid-femoral pulse wave velocity （PWVcf） and carotid-radial PWV （PWVcr） using a validated automatic device. Augmentation Index at heart rate 75 beats/minutes （AIx-75） was measured by pulse wave analysis as a composite parameter reflecting both large and distal arterial properties. Results The mean estimated GFR （eGFR） of the study group was 100.05 ＋ 23.26 mL/minute per 1.73 m2. Subjects were grouped by tertiles of eGFR level. PWVef and AIx-75 increased ongoing from the top to the bottom eGFR tertile, while the values of PWVcr were comparable. Both univariate Pearson correlations and multiple stepwise regression analyses showed that eGFR significantly correlated to PWVcf, but not to PWVcr and AJx-75. Conclusions In Chinese women with normal to mildly impaired renal function, decreased eGFR affected carotid-to-femoral rather than carotid-to-radial stiffening. This provides rational to conduct future prospective studies to investigate predictors of atherosclerosis in this population.

关键词： Arterial stiffness Augmentation index Pulse wave velocity Glomerular filtration rate Chinese women

土地利用变化及林业温室气体排放核算制度与方法实证

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中国人口·资源与环境 2017年第10期27卷 168-177页

作者：王育宝何宇鹏西安交通大学经济与金融学院陕西西安710061

土地利用变化及林业(LUCF)活动是生态固碳最重要手段。研究确定LUCF温室气体排放核算制度和方法,对平衡碳排放、开展全国统一碳市场交易具有重要基础作用。在综述LUCF温室气体核算理论和方法基础上,借鉴IPCC指南和《省级温室气体清单编... 详细信息

土地利用变化及林业(LUCF)活动是生态固碳最重要手段。研究确定LUCF温室气体排放核算制度和方法,对平衡碳排放、开展全国统一碳市场交易具有重要基础作用。在综述LUCF温室气体核算理论和方法基础上,借鉴IPCC指南和《省级温室气体清单编制指南(试行)》推荐的基本方法,构建了符合地域特色的LUCF温室气体排放核算制度和方法。采用2014年第九次国家森林资源清查数据,以全国低碳试点省陕西省为实证对象,初步核算了陕西省LUCF温室气体的净排放量,并从排放能力、排放结构和空间特征等角度揭示了陕西省LUCF温室气体的排放特征。结果显示:(1)2014年,陕西省LUCF温室气体净吸收量为1 698.42万t CO_2e,其中森林及其他木质生物质碳贮量净吸收1 852.67万t CO2e,森林转化净排放154.25万t CO_2e。(2)乔木林等优势树种,是陕西省LUCF温室气体排放中重要的固碳源(吸收源)。(3)陕南地区是重要固碳贡献区,陕北地区森林固碳能力较差。最后,针对LUCF温室气体排放核算制度和方法不够完善、森林固碳能力差异较大、区域固碳分化严重等问题,提出了健全温室气体核算制度、平衡森林资源空间分布、改善固碳树种结构等加强陕西省LUCF活动应对气候变化统计核算制度和能力建设的基本措施。

关键词：土地利用变化及林业(LUCF) 温室气体排放和吸收第九次国家森林资源清查陕西省

Predictive Ability of the SYNergy Between Percutaneous Coronary Intervention with TAXus and Cardiac Surgery Score Ⅱ for Long-term Mortality in Patients with Three-vessel Coronary Artery Disease Undergoing Percutaneous Coronary Intervention Treated

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Chinese Medical Journal 2015年第16期128卷 2176-2182页

作者： Ji-Qiang he Xian-peng yu Cheng peng Quan Li Ya-Wei Luo yue-Chun Gao Xiao-Ling Zhang Chang-Yan Wu Hua Zhao yu-Chen Zhang Jing-Hua Liu Shu-Zheng Lyu Fang Chen Department of Cardiology Beijing Anzhen Hospital Capital Medical University and Institution of Beijing Heart Lung and Vascular Disease Beijing 100029 China

Background：The SYNergy between percutaneous coronary intervention with TAXus and cardiac surgery Score Ⅱ （SS-Ⅱ） can well predict 4-year mortality in patients with complex coronary artery disease （CAD）,and guide decision-making between coronary artery bypass graft surgery and percutaneous coronary intervention （PCI）.However,there is lack of data regarding the utility of the SS-Ⅱ in patients with three-vessel CAD undergoing PCI treated with second-generation drug-eluting stents （DES）.The purpose of the present study was to evaluate the ability of the SS-Ⅱ to predict long-term mortality in patients with three-vessel CAD undergoing PCI with second-generation ***：Totally,573 consecutive patients with de novo three-vessel CAD who underwent PCI with second-generation DES were retrospectively *** to the tertiles of the SS-Ⅱ,the patients were divided into three groups：The lowest SS-Ⅱ tertile （SS-Ⅱ ≤20）,intermediate SS-Ⅱ tertile （SS-Ⅱ of 21-31）,and the highest SS-Ⅱ tertile （SS-Ⅱ ≥32）.The survival curves of the different groups were estimated by the Kaplan-Meier *** and multivariate Cox proportional hazard regression analyses were performed to evaluate the relationship between the SS-Ⅱ and 5-year *** performance of the SS-Ⅱ with respect to predicting the rate of mortality was studied by calculating the area under the receiver operator characteristic （ROC） *** predictive ability of the SS-Ⅱ for 5-year mortality was evaluated and compared with the SS ***：The overall SS-Ⅱ was 27.6 ± *** patients in the lowest,intermediate and the highest SS-Ⅱ tertiles,the 5-year rates of mortality were 1.6%,3.2%,and 8.6%,respectively （P =0.003）;the cardiac mortality rates were 0.5%,1.9%,and 5.2%,respectively （P =0.014）.By multivariable analysis,adjusting for the potential confounders,the SS-Ⅱ was an independent predictor of 5-year mortality （hazard ratio：2.45,95% confidence interval：1.38-4.36;P=0.002）.The SS-Ⅱ demonstrated a high

关键词： Mortality Percutaneous Coronary Intervention Predictive Ability Second-generation Drug-eluting Stents SYNTAX Score II Three-vessel Coronary Artery Disease

Observation of acoustic hybrid topological phases induced by the p-d orbital interactions

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 132-139页

作者： Xiao Xiang Feng Gao yu-Gui peng peng Wu Zong-Lin Li Xue-Feng Zhu School of Physics and Innovation Institute Huazhong University of Science and Technology

In spinless systems,growing attention has recently been attracted to synthetic gauge fields,which redefine the fundamental crystal symmetries by utilizing the projective algebraic ***,synthetic gauge fields have been commonly investigated in single orbital systems,and explorations on hybrid orbitals remain elusive in ***,we report the experimental observation of hybrid topological phases induced by hybrid synthetic gauge flux,which is formed by the interaction between p and d orbitals embedded in acoustic *** breaking the translation symmetries of Lxand/or Ly,we unambiguously demonstrate the first-order M?bius edge states and higher-order corner *** work establishes a platform for seeking exotic topological phases induced by hybrid-orbitals interactions and initializing the framework of hybrid-orbitalsrelated topological *** applications can be anticipated in scenarios such as high-quality sensing and robust wave trapping due to the stepwise energy distribution of the hybrid topological phase.

关键词： topological insulator synthetic gauge field projective symmetry corner states

混合的大规模数据库中数值型数据聚类算法研究

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微电子学与计算机 2017年第2期34卷 119-122,127页

作者：何育朋广东财经大学华商学院广东广州511300

大规模数据库中的海量数据多具有混合属性,即数值型数据与其他类型的数据混合于一体、数据量庞杂、不易区分.传统算法往往忽视多种属性间的关联性,算法复杂、聚类速度慢、效果差.对此提出一种基于划分聚类的混合大规模数据库中数值型数... 详细信息

大规模数据库中的海量数据多具有混合属性,即数值型数据与其他类型的数据混合于一体、数据量庞杂、不易区分.传统算法往往忽视多种属性间的关联性,算法复杂、聚类速度慢、效果差.对此提出一种基于划分聚类的混合大规模数据库中数值型数据聚类算法.首先为降低传统算法的高复杂度,要从大规模的数据库中合理抽取多个小数据集,小数据集中要包含数据库中全部的自然簇;依据相似度定义构建小数据集的相似度矩阵,并分别进行数值型数据及其他类型数据的相似度计算;最后对抽样聚类的结果进行整合、均值更新和划分,实现混合的大规模数据库中数值型数据的聚类.仿真实验表明,提出的算法计算速度快、运算量相对较小、误差率低,能够得到更理想的聚类效果,适用于大规模的数据聚类处理.

关键词：大规模数值型数据聚类

Boosting bidirectional sulfur conversion enabled by introducing boron-doped atoms and phosphorus vacancies in Ni2P for lithium-sulfur batteries

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Journal of Energy Chemistry 2025年第1期100卷 760-769页

作者： Lin peng yu Bai Hang Li Meixiu Qu Zhenhua Wang Kening Sun Advanced Research Institute of Multidisciplinary Science Beijing Institute of Technology Beijing Key Laboratory of Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology

Lithium-sulfur （Li-S） batteries have gained great attention due to the high theoretical energy density and low cost,yet their further commercialization has been obstructed by the notorious shuttle effect and sluggish redox ***,we supply a strategy to optimize the electron structure of Ni2P by concurrently introducing B-doped atoms and P vacancies in Ni2P （Vp-B-Ni2P）,thereby enhancing the bidirectional sulfur *** study indicates that the simultaneous introduction of B-doped atoms and P vacancies in Ni2P causes the redistribution of electron around Ni atoms,bringing about the upward shift of d-band center of Ni atoms and effective d-p orbital hybridization between Ni atoms and sulfur species,thus strengthening the chemical anchoring for lithium polysulfides （LiPSs） as well as expediting the bidirectional conversion kinetics of sulfur ***,theoretical calculations reveal that the incorporation of B-doped atoms and P vacancies in Ni2P selectively promotes Li2S dissolution and nucleation ***,the Li-S batteries with Vp-B-Ni2P-separators present outstanding rate ability of 777 m A h g-1at 5 C and high areal capacity of 8.03 mA h cm-2under E/S of 5μL mg-1and sulfur loading of 7.20 mg *** work elucidates that introducing heteroatom and vacancy in metal phosphide collaboratively regulates the electron structure to accelerate bidirectional sulfur conversion.

关键词： Lithium sulfur batteries

mTOR蛋白抑制剂Torin2的合成与合成工艺优化

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国际药学研究杂志 2020年第7期47卷 549-554页

作者：王士旭钟武何宇鹏辽宁石油化工大学化学化工与环境学部抚顺113001 国家应急防控药物工程技术研究中心军事科学院军事医学研究院毒物药物研究所北京100850

目的对mTOR抑制剂Torin2合成方法进行探索及优化。方法以对溴苯胺作为起始原料,通过氨基键合、合环、氯化、键合3-氨基三氟甲苯环、氧化、合环和Suzuki反应得到目标产物。采用正交实验对关键中间体3、8和终产物合成条件进行了优化。结... 详细信息

目的对mTOR抑制剂Torin2合成方法进行探索及优化。方法以对溴苯胺作为起始原料,通过氨基键合、合环、氯化、键合3-氨基三氟甲苯环、氧化、合环和Suzuki反应得到目标产物。采用正交实验对关键中间体3、8和终产物合成条件进行了优化。结果与结论中间体和目标化合物结构经MS和1H NMR数据确认,目标化合物的反应总收率从3%提升至18%,无需柱色谱分离,适合工业化生产。

关键词： Torin2 mTOR抑制剂工艺优化

High-temperature-tolerant flexible supercapacitors: Gel polymer electrolytes and electrode materials

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Journal of Energy Chemistry 2025年第1期100卷 426-457页

作者： Chong peng Xinyi Huang Mingwei Zhao Shuling Liao Quanhong Yang Nianjun Yang Siyu yu School of Chemistry & Chemical Engineering Southwest University Nanoyang Group Tianjin Key Laboratory of Advanced Carbon and Electrochemical Energy Storage School of Chemical Engineering and Technology and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin University Department of Chemistry & IMO-IMOMEC Hasselt University

The development of flexible supercapacitors(FSCs) capable of operating at high temperatures is crucial for expanding the application areas and operating conditions of supercapacitors. Gel polymer electrolytes and electrode materials stand as two key components that significantly impact the efficacy of hightemperature-tolerant FSCs(HT-FSCs). They should not only exhibit high electrochemical performance and excellent flexibility, but also withstand intense thermal stress. Considerable efforts have been devoted to enhancing their thermal stability while maintaining high electrochemical and mechanical performance. In this review, the fundamentals of HT-FSCs are outlined. A comprehensive overview of state-of-the-art progress and achievements in HT-FSCs, with a focus on thermally stable gel polymer electrolytes and electrode materials is provided. Finally, challenges and future perspectives regarding HT-FSCs are discussed, alongside strategies for elevating operational temperatures and *** review offers both theoretical foundations and practical guidelines for designing and manufacturing HT-FSCs, further promoting their widespread adoption across diverse fields.

关键词： Flexible supercapacitors High-temperature tolerance Gel polymer electrolytes Electrode materials

Low-cost and fluoride-free synthesis of MFI zeolite nanosheets with enhanced stability for benzene alkylation with ethanol

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Journal of Energy Chemistry 2025年第1期100卷 458-468页

作者： peng Zhu Cun Liu Yiren yu Guoshu Gao yumeng Zhao Xiongfu Zhang Guodong Liu Guohui Yang State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences

Zeolite nanosheets with a short b-axis thickness are highly desirable in lots of catalytic reactions due to their reduced diffusion resistance. Nevertheless, conventional synthesis methods usually require expensive structure-directing agents(SDAs), pricey raw materials, and eco-unfriendly fluorine-containing additives. here, we contributed a cost-effective and fluoride-free synthesis method for synthesizing high-quality MFI zeolite nanosheets through a Silicalite-1(Sil-1) seed suspension and urea cooperative strategy, only with inexpensive colloidal silica as the Si source. Our approach was effective for synthesizing both Sil-1 and aluminum-containing ZSM-5 nanosheets. By optimizing key synthesis parameters,including seed aging time, seed quantity, and urea concentration, we achieved precise control over the crystal face aspect ratio and b-axis thickness. We also revealed a non-classical oriented nanosheet growth mechanism, where Sil-1 seeds induced the formation of quasi-ordered precursor particles, and the(010)crystal planes of these particles facilitated urea adsorption, thereby promoting c-axis-oriented *** obtained ZSM-5 nanosheets exhibited exceptional catalytic performance in the benzene alkylation with ethanol, maintaining stability for over 500 h, which is 5 times longer than traditional ZSM-5 catalysts. Furthermore, large-scale production of ZSM-5 nanosheets was successfully carried out in a 3 L highpressure autoclave, yielding samples consistent with those from laboratory-scale synthesis. This work marks a significant step forward in the sustainable and efficient production of MFI nanosheets using inexpensive and environmentally friendly raw materials, offering the broad applicability in catalysis.

关键词： MFI zeolite ZSM-5 Nanosheets Scale-up synthesis Aromatic alkylation