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急性ST段抬高型心肌梗死合并射血分数保留的心力衰竭患者SII、FAR、CAR与PCI术中无复流的关系

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现代生物医学进展 2024年第18期24卷 3529-3534页

作者：梁权满宋天宇容皓陈图刚陈灿广东医科大学附属第二医院心血管内科一区

目的：探讨急性ST段抬高型心肌梗死（STEMI）合并射血分数保留的心力衰竭（HFpEF）患者系统免疫炎症指数（SII）、纤维蛋白原/白蛋白比值（FAR）、C反应蛋白/白蛋白比值（CAR）与经皮冠状动脉介入治疗（PCI）术中无复流的关系。方法：... 详细信息

目的：探讨急性ST段抬高型心肌梗死（STEMI）合并射血分数保留的心力衰竭（HFpEF）患者系统免疫炎症指数（SII）、纤维蛋白原/白蛋白比值（FAR）、C反应蛋白/白蛋白比值（CAR）与经皮冠状动脉介入治疗（PCI）术中无复流的关系。方法：前瞻性选取2020年5月～2023年5月155例在我院行直接PCI治疗的STEMI合并HFpEF患者，根据PCI术中血流情况分为无复流组35例和正常复流组120例。计算SII、FAR、CAR。STEMI合并HFpEF患者PCI术中无复流的因素采用多因素Logistic回归模型分析，绘制受试者工作特征（ROC）曲线分析SII、FAR、CAR对STEMI合并HFpEF患者PCI术中无复流的预测价值。结果：155例STEMI合并HFpEF患者PCI术中无复流发生率为22.58%(35/155)。与正常复流组比较，无复流组SII、FAR、CAR升高（P<0.05）。STEMI合并HFpEF患者PCI术中无复流的独立危险因素为年龄增加和SII、FAR、CAR升高（P<0.05）。SII、FAR、CAR单独与SII、FAR、CAR联合预测STEMI合并HFpEF患者PCI术中无复流的曲线下面积分别为0.811、0.800、0.788、0.940。结论：STEMI合并HFpEF患者SII、FAR、CAR升高是PCI术中无复流的独立危险因素，SII、FAR、CAR联合对STEMI合并HFpEF患者PCI术中无复流的预测价值较高。

关键词：急性ST段抬高型心肌梗死射血分数保留的心力衰竭 SII FAR CAR PCI 无复流

An Efficient and Spam-Robust Proximity Measure Between Communication Entities

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Journal of Computer Science & Technology 2013年第2期28卷 394-400页

作者： Joo Hyuk Jeon Jihwan song Jeong Eun Kwon Yoon Joon Lee man Ho Park Myoung Ho Kim Department of Computer Science Korea Advanced Institute of Science and Technology Biz Solution Team SK Telecom Information Technology R&D Center Mobile Communication Convergence Research Team Electronics and Telecommunications Research Institute

Electronic communication service providers are obliged to retain communication data for a certain amount of time by their local laws. The retained communication data or the communication logs are used in various applications such as crime detection, viral marketing, analytical study, and so on. many of these applications rely on effective techniques for analyzing communication logs. In this paper, we focus on measuring the proximity between two communication entities, which is a fundamental and important step toward further analysis of communication logs, and propose a new proximity measure called ESP （Efficient and Spam-Robust Proximity measure）. Our proposed measure considers only the （graph- theoretically） shortest paths between two entities and gives small values to those between spam-like entities and others. Thus, it is not only computationally efficient but also spam-robust. By conducting several experiments on real and synthetic datasets, we show that our proposed proximity measure is more accurate, computationally efficient and spam-robust than the existing measures in most cases.

关键词： proximity closeness spam electronic communication

Fundamental mechanism of effects of MgO on sinter strength

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Journal of Iron and Steel Research International 2019年第11期26卷 1171-1177页

作者： Hong-song Han Feng-man Shen Xin Jiang Chuan-guang Bi Hai-yan Zheng Qiang-jian Gao School of Metallurgy Northeastern UniversityShenyang 110819LiaoningChina Technology Center Meishan Iron and Steel Limited CorporationNanjing 210000JiangsuChina

MgO-containing flux may have a series of effects on the quality of sinter and performances of the blast ***,the fundamental mechanism of the effects of MgO on the sinter strength was *** the chemical reagent and industrial flux were used for preparing the *** experimental results show that the sinter strength decreases with MgO *** are three reasons for *** first reason is diffusion *** all of the CaO may react with Fe2O3 and generate CaO Fe2O3,but most of MgO cannot react with Fe2O3,and it still remains in the state of original *** diffusion rate of MgO in iron oxide is only 17.51μm/min in 30 *** second reason is the fluidity and ability to generate liquid *** the case of Fe2O3 mixed with CaO,there is some liquid phase formed above 1200℃,while in the case of Fe2O3 mixed with MgO,even at 1200 and 1220℃,there is still no liquid *** third reason is *** the case of industrial flux,the compression strength of the specimens made of Fe2O3 and limestone is 0.52 and 0.71 kN at 1150 and 1180℃,respectively,while that of the specimens made of Fe2O3 and magnesite is 0.48 and 0.56 kN,***,the fundamental mechanism of the effects of MgO additive on sinter strength can be better understood based on the diffusion rate of MgO in iron oxides,the fluidity of liquid phase,and the self-strength of bonding phase.

关键词： MgO addition Sinter strength Blast furnace Mineralization rate Fluidity Self-strength

A Novel Strategy of In Situ Trimerization of Cyano Groups Between the Ti3C2Tx(MXene) Interlayers for High-Energy and High-Power Sodium-Ion Capacitors

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Nano-Micro Letters 2020年第10期12卷 177-191页

作者： Siyang Liu Fangyuan Hu Wenlong Shao Wenshu Zhang Tianpeng Zhang Ce song man Yao Hao Huang Xigao Jian School of Materials Science and Engineering State Key Laboratory of Fine ChemicalsKey Laboratory of Energy Materials and Devices(Liaoning Province)Dalian University of TechnologyDalian 116024People’s Republic of China State Key Laboratory of Fine Chemicals Department of Polymer Science and EngineeringDalian University of TechnologyDalian 116024People’s Republic of China School of Mathematical Sciences Dalian University of TechnologyDalian 116024People’s Republic of China

2D MXenes are attractive for energy storage applications because of their high electronic ***,it is still highly challenging for improving the sluggish sodium(Na)-ion transport kinetics within the MXenes ***,a novel nitrogen-doped Ti3C2Tx MXene was synthesized by introducing the in situ polymeric sodium dicyanamide(Na-dca)to tune the complex terminations and then utilized as intercalation-type pseudocapacitive anode of Na-ion capacitors(NICs).The Na-dca can intercalate into the interlayers of Ti3C2 Tx nanosheets and simultaneously form sodium tricyanomelaminate(Na3TCM)by the catalyst-free *** as-prepared Ti3C2Tx/Na3TCM exhibits a high N-doping of 5.6 at.%in the form of strong Ti-N bonding and stabilized triazine ring ***,coupling Ti3C2Tx/Na3 TCM anode with different mass of activated carbon cathodes,the asymmetric MXene//carbon NICs are *** is able to deliver high energy density(97.6 Wh kg-1),high power output(16.5 kW kg-1),and excellent cycling stability(≈82.6%capacitance retention after 8000 cycles).

关键词： Sodium-ion capacitors MXene Fast kinetics Triazine polymerization Nitrogen doping

HPLC-RID法测定不同厂家益母草药材中盐酸水苏碱含量

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湖南农业科学 2024年第2期 81-84页

作者：王秋萍杨邦祝宋善敏甘梦兰李满香何珺雷阳贵州农业职业学院贵州清镇551400 贵州大学贵州省生化工程中心贵州贵阳550025

建立了测定益母草中盐酸水苏碱含量的HPLC-RID方法,并测定分析了14家药厂的益母草中盐酸水苏碱的含量。结果表明:以Mercury益母草专用柱(250 mm×4.6 mm,5μm)为色谱柱,以70%乙腈溶液为流动相、流速1.0 mL/min、柱温45℃的条件下采用示... 详细信息

建立了测定益母草中盐酸水苏碱含量的HPLC-RID方法,并测定分析了14家药厂的益母草中盐酸水苏碱的含量。结果表明:以Mercury益母草专用柱(250 mm×4.6 mm,5μm)为色谱柱,以70%乙腈溶液为流动相、流速1.0 mL/min、柱温45℃的条件下采用示差检测器进行检测,盐酸水苏碱在0.100~0.523 mg/mL浓度范围内呈良好的线性关系;回归方程为y=91519 x+1342.2(R^(2)=0.9916),平均回收率100.07%,RSD为0.71%,且该方法具有重复性好、操作简便、快速、稳定、易于普及等优点;各厂家的益母草药材中盐酸水苏碱含量差异较大,14家厂家中仅有1367和8656这2家的益母草药材符合药典标准;盐酸水苏碱含量与益母草药材性状具有关联性,市民、药企和中药商等在购买益母草药材时,建议选择性状为叶多、青绿、茎细的益母草药材。

关键词：益母草盐酸水苏碱 HPLC-RID 不同厂家药材性状

Variation of Sediment Concentration and Its Drivers Under Different Soil management Systems

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Pedosphere 2010年第5期20卷 578-585页

作者： ZHANG Wen-Tai YU Dong-Sheng SHI Xue-Zheng TAN man-Zhi LIU Liu-song State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil Science Chinese Academy of Sciences Nanjing 210008 (China) College of Geography Sciences Nanjing Normal University Nanjing 210046 (China) Graduate University of the Chinese Academy of Sciences Beijing 100049 (China)

In order to prevent soil erosion in southern China,a study was performed to determine the drivers of sediment concentration variation using simulated rainfall and four soil management systems under field *** soil management systems,i.e.,forest and grass coverage(FG),forest coverage with disturbed soil surface(FD),contour tillage(CT) and downslope tillage(DT),were exposed to two rainfall intensities(40 and 54 mm h-1) using a portable rainfall *** drivers of sediment concentration variation were determined by the variations of runoff rate and sediment concentration as well as their *** effects of the four soil management systems in preventing water and soil losses were compared using runoff rates and sediment concentrations at steady *** runoff initial stage,sediment concentration variation was mainly driven by rainfall and *** degree of sediment concentration variation driven by flow varied with different soil management *** best relationships between runoff rate and sediment concentration were identified,i.e.,reciprocal(CT),quadratic(FG and FD) and exponential(DT).At steady state,runoff rates of the four soil management systems varied slightly,whereas their sediment concentrations varied *** and CT were recommended as the best soil management systems for preventing water and soil losses.

关键词： runoff rate runoff steady state simulated rainfall soil erosion

hematochezia due to rectal invasion by an internal iliac artery aneurysm: A case report

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World Journal of Clinical Cases 2024年第11期12卷 1980-1989页

作者： Fang Li Bin Zhao Yong-Qiang Liu Guo-Qing Chen Rong-Feng Qu Chao Xu Zhui Long Jin-song Wu Mao Xiong Wei-Hang Liu Li Zhu Xiao-Ling Feng Lei Zhang Department of General Surgery Chongqing General HospitalChongqing 401147China

BACKGROUND This case report presents the rare occurrence of hematochezia due to an internal iliac artery aneurysm leading to an arterioenteric fistula,expanding the differential diagnosis for gastrointestinal *** emphasizes the importance of considering vascular origins in cases of atypical hematochezia,particularly in the absence of common gastrointestinal causes,and highlights the role of imaging and multidisciplinary management in diagnosing and treating such unusual *** SUMMARY A 75-year-old man with a history of hypertension presented with 12 d of hematochezia,experiencing bloody stools 7-8 times per *** computed tomography(CT)scans revealed an aneurysmal rupture near the right internal iliac artery with suspected hematoma *** levels progressively decreased to 7 g/*** arterial angiography and iliac arterycovered stent placement were performed,followed by balloon *** initial stabilization,minor rectal bleeding and abdominal pain persisted,leading to further diagnostic *** identified a neoplasm and potential perforation at the proximal *** exploratory laparotomy confirmed the presence of a hematoma and an aneurysm invading the rectal wall,necessitating partial rectal resection,intestinal anastomosis,and *** recovery was successful,with no further bleeding incidents and normal follow-up CT and colonoscopy results after six *** In cases of unusual gastrointestinal bleeding,it is necessary to consider vascular causes for effective diagnosis and intervention.

关键词： Iliac artery aneurysm hematoma Rectum hematochezia Case report

Novel magnetic compression technique for the treatment of postoperative anastomotic stenosis in rectal cancer:A case report

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World Journal of Gastrointestinal Surgery 2024年第6期16卷 1926-1932页

作者： Miao-Miao Zhang Huan-Chen Sha Hai-Rong Xue Yuan-Fa Qin Xiao-Gang song Yun Li Yu Li Zheng-Wu Deng Yu-Lin Gao Fang-Fang Dong Yi Lyu Xiao-Peng Yan Department of hepatobiliary Surgery The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Department of Shaanxi Provincial Key Laboratory of Magnetic Medicine The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina Department of National Local Joint Engineering Research Center for Precision Surgery&Regenerative Medicine The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina Department of Gastroenterology The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina

BACKGROUND The treatment of postoperative anastomotic stenosis after excision of rectal cancer is *** balloon dilation and radial incision are not effective in all *** present a new endoscopy-assisted magnetic compression technique(MCT)for the treatment of rectal anastomotic *** successfully applied this MCT to a patient who developed an anastomotic stricture after radical resection of rectal cancer.A 50-year-old man had undergone laparoscopic radical rectal cancer surgery at a local hospital 5 months ago.A colonoscopy performed 2 months ago indicated that the rectal anastomosis was narrow due to which ileostomy closure could not be *** patient came to the Magnetic Surgery Clinic of the First Affiliated Hospital of Xi'an Jiaotong University after learning that we had successfully treated patients with colorectal stenosis using *** performed endoscopy-assisted magnetic compression surgery for rectal *** magnets were removed 16 d later.A follow-up colonoscopy performed after 4 months showed good anastomotic patency,following which,ileostomy closure surgery was *** MCT is a simple,non-invasive technique for the treatment of anastomotic stricture after radical resection of rectal *** technique can be widely used in clinical settings.

关键词： Rectal cancer Magnetic compression technique Magnetosurgery Anastomotic stricture Magnetic surgery clinic Case report

主体性与控制力:人机关系的深描与重塑——基于87例青年断网实践的现实考察

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中国青年研究 2024年第10期 58-66页

作者：同雪莉宋佳荣西北大学马克思主义学院

基于87例青年的断网实践考察,发现青年的人机关系主要呈现为主体理性工具型、无聊空虚消遣型、欲罢不能冲突型和主体迷失机械型四类,主体性与控制力的不同交互使青年存在人与娱乐的主体置换悖论、空虚与焦虑的时间控制悖论、丰富生活目... 详细信息

基于87例青年的断网实践考察,发现青年的人机关系主要呈现为主体理性工具型、无聊空虚消遣型、欲罢不能冲突型和主体迷失机械型四类,主体性与控制力的不同交互使青年存在人与娱乐的主体置换悖论、空虚与焦虑的时间控制悖论、丰富生活目的与程式化生活模式的动机悖论及追求时效与现实低能的效率悖论。针对青年人机关系困境的引导可通过觉醒自我意识、科学使用技术,提升控制能力、强化“中辍”自觉,加强自我联结、促进精神富足三个方面满足青年主体性与控制力的发展需要,重塑数字青年人机关系。

关键词：数字青年主体性控制力人机关系