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血必净注射液治疗急性ST段抬高型心肌梗死合并心力衰竭的有效性及安全性

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临床研究 2025年第2期33卷 104-107页

作者：李梦洁河南省直第三人民医院调剂室河南郑州450000

目的探讨急性ST段抬高型心肌梗死(ASTEMI)合并心力衰竭(HF)患者采用血必净注射液治疗的有效性及安全性。方法选取2021年1月至2023年8月在河南省直第三人民医院接受治疗的80例ASTEMI合并HF患者,以随机数字表法分为研究组(n=40)与对照组(n... 详细信息

目的探讨急性ST段抬高型心肌梗死(ASTEMI)合并心力衰竭(HF)患者采用血必净注射液治疗的有效性及安全性。方法选取2021年1月至2023年8月在河南省直第三人民医院接受治疗的80例ASTEMI合并HF患者,以随机数字表法分为研究组(n=40)与对照组(n=40),对照组采用常规药物治疗,研究组采用血必净注射液治疗,对两组临床疗效、中医证候积分、心功能指标[左心室舒张末期内径(LVEDD)、左心室射血分数(LVEF)、心排血量(CO)、左心室收缩末期内径(LVESD)]、心肌损伤标志物[N-末端前脑钠肽(NT-proBNP)、心肌肌钙蛋白Ⅰ(cTnⅠ)]、不良反应进行比较。结果研究组治疗治疗有效率(95.00%)高于对照组(72.50%),差异具有统计学意义(P0.05)。结论ASTEMI合并HF患者采用血必净注射液治疗,能够提高临床疗效,改善心功能,缓解症状,减轻心肌损伤,安全性较高,值得应用。

关键词：血必净注射液急性ST段抬高型心肌梗死心力衰竭有效性安全性

Slime coating of kaolinite on chalcopyrite in saline water flotation

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International Journal of Minerals,Metallurgy and Materials 2018年第5期25卷 481-488页

作者： Zhi-li li Feng Rao Shao-xian Song Yan-mei li Wen-biao liu CONACYT Instituto de Investigación en Metalurgiay Materiales Universidad Michoacana de San Nicolás de Hidalgo School of Resources and Environmental Engineering Wuhan University of Technology Departamento de Ingeniería en Minas Metalurgia y GeologíaUniversidad de Guanajuato Faculty of Land and Resource Engineering Kunming University of Science and Technology

In saline water flotation, the salinity can cause a distinguishable slime coating of clay minerals on chalcopyrite particles through its effect on their electrical double layers in aqueous solutions. In this work, kaolinite was used as a representative clay mineral for studying slime coating during chalcopyrite flotation. The flotation of chalcopyrite in the presence and absence of kaolinite in tap water, seawater, and gypsum-saturated water and the stability of chalcopyrite and kaolinite particles in slurries are presented. Zeta-potential distributions and scanning electron microscopy images were used to characterize and explain the different slime coating degrees and the different flotation performances. Kaolinite particles induced slime coating on chalcopyrite surfaces and reduced chalcopyrite floatability to the greatest extent when the p H value was in the alkaline range. At 0.24 wt% of kaolinite, the chalcopyrite floatability was depressed by more than 10% at alkaline p H levels in tap water. Salinity in seawater and gypsum-saturated water compressed the electrical double layers and resulted in extensive slime coating.

关键词： chalcopyrite clay minerals saline water flotation slime coating stability

Supramolecular synthesis of coumarin derivatives catalyzed by a coordination-assembled cage in aqueous solution

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Science China Chemistry 2019年第6期62卷 713-718页

作者： Shao-Chuan li li-Xuan Cai li-Peng Zhou Fang Guo Qing-Fu Sun State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences College of Chemistry Liaoning University

A self-assembled Pd_4L_2 cage is employed as a water-soluble molecular flask for the synthesis of functionalized coumarins from a series of salicylaldehyde derivatives and cyanoacetates/malononitrile. The catalytic reaction features mild aqueous conditions and broad substrate scope. Crystal structures of the host-guest complexes for two substrates and one analogous intermediate have been obtained, shedding light on the supramolecular reaction mechanism. Michaelis-Menten kinetic studies were performed in one typical case, revealing that the rate of product formation has been enhanced by over 23-fold in contrast to the background reaction without cage. Moreover, the same reaction catalyzed by a smaller Pd_6L_4 cage gives a mixture of products and much lower yields, suggesting that fine-tuning on the size and symmetry of the cages' cavity is crucial for their applications in supramolecular catalysis.

关键词： coordination-assembly cage encapsulation Knoevenagel condensation

Tuning li nucleation and growth via oxygen vacancy-enriched 3D flexible self-supporting protection layer of P-Mn_(3)O_(4-x)for advanced lithium-sulfur batteries

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Journal of Energy Chemistry 2023年第1期76卷 339-348,I0009页

作者： Tao liu Jing li Hongtao Cui Yuanyuan liu Kaihua liu Huiying Wei Meiri Wang Shandong Engineering Research Center of Green Manufacturing for New Chemical Materials School of Chemistry&Chemical EngineeringYantai UniversityYantai 264005ShandongChina School of Chemistry and Chemical Engineering Shandong UniversityJinan 250100ShandongChina

lithium sulfur batteries have attracted much attention due to their high theoretical specific energy and environmental ***,the practical application is severely plagued by the cycling life issues resulting from the uncontrollable generation and growth of li ***,an innovative 3D flexible self-supporting li anode protection layer of P-Mn_(3)O_(4-x)is constructed via a facile solvothermal method followed by an annealing *** from the rich oxygen vacancies coupled with the 3D flexible self-supporting skeleton,abundant lithiophilic sites and high ionic conductivity are obtained,which succeed in guiding li+homogeneous adsorption and redistribution,accelerating li+diffusion rate,inducing li+uniform deposition and *** calculations and experimental results conclusively demonstrate such a protection ***,the effective anchoring and catalytic nature of polar P-Mn_(3)O_(4-x)can also be applied as an immobilization-diffusion-conversion host to improve polysulfides *** advantage of these merits,super-stable functions for li symmetric cell matched with P-Mn_(3)O_(4-x)layer are achieved,which exhibits an ultralong lifespan of>5000 h with an ultralow overpotential of 20 m V,far lower than that of bare li symmetric cell(overpotential of 800 m V only after 250 h)at high current densities of 5 m A cm^(-2)and high plating/stripping capacity of 10 m A h cm^(-2).Even in li|P-Mn_(3)O_(4-x)||S full cell at 1 C,a high initial discharge specific capacity of 843.1 m A h g^(-1)is still delivered with ultralow capacity fading rate of 0.07%per cycle after 250 cycles,further confirming the synergistic regulation of P-Mn_(3)O_(4-x)for li nucleation *** work illustrates a sufficient guarantee of 3D protection layer coupled with oxygen vacancies in guiding li diffusion and nucleation behavior and provides new guidance for promoting the development of advanced li-S batteries.

关键词： Oxygen vacancy P-doping ithium sulfur batteries Protection layers

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水田灭茬旋埋联合整地机的研究

现代农业装备 2025年第1期46卷 42-46页

作者：李向军哈尔滨市农业科学院黑龙江哈尔滨150029

为实现水田秸秆全量还田、减少机具进地作业次数、提高作业效率,根据水田整地的农艺要求,研制了一种新型水田压茬旋埋联合整地机,主要对机具的整体结构、工作过程、核心部件设计进行详细阐述。通过田间试验表明,该机具一次下地作业可完... 详细信息

为实现水田秸秆全量还田、减少机具进地作业次数、提高作业效率,根据水田整地的农艺要求,研制了一种新型水田压茬旋埋联合整地机,主要对机具的整体结构、工作过程、核心部件设计进行详细阐述。通过田间试验表明,该机具一次下地作业可完成灭茬混拌、秸秆压茬、肥料条施、泥浆整平等多项作业,作业后的地表状况满足后期插秧要求。

关键词：秸秆还田灭茬水田耕整研究

城市地下水厂建设的水土流失防治布设及监测研究

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水利科学与寒区工程 2025年第2期8卷 113-116页

作者：李学伟四会市宏禹水利水电勘测设计有限公司广东四会526200

以城市地下水厂建设为背景,深入探讨了水土流失防治布设及监测实践的相关问题,分析了地下水厂建设过程中水土流失的成因和影响因素,为防治布设的制定提供了理论依据。采取了针对性的地下水厂建设水土流失防治布设的具体措施和方法,通过... 详细信息

以城市地下水厂建设为背景,深入探讨了水土流失防治布设及监测实践的相关问题,分析了地下水厂建设过程中水土流失的成因和影响因素,为防治布设的制定提供了理论依据。采取了针对性的地下水厂建设水土流失防治布设的具体措施和方法,通过持续的监测实践,可以及时发现和解决水土流失问题,确保防治效果的可持续性,旨在为类似项目提供实践参考。

关键词：水土流失防治布设水土保持监测

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新时代生态环境管理的措施与创新

黑龙江环境通报 2025年第2期38卷 145-147页

作者：厉昌余广州市无害化处理事务中心广州510163

随着经济社会的快速发展,我国生态环境保护形势日益严峻。为解决现代化建设给生态环境带来的严重影响,本文以广东省为例,对新时代生态环境管理的必要性、主要措施和创新举措进行研究,提出加强环境立法、实施重点行动、推进环境行为改造... 详细信息

随着经济社会的快速发展,我国生态环境保护形势日益严峻。为解决现代化建设给生态环境带来的严重影响,本文以广东省为例,对新时代生态环境管理的必要性、主要措施和创新举措进行研究,提出加强环境立法、实施重点行动、推进环境行为改造、发展数字环境管理等解决措施,以期为我国生态文明建设和美丽中国战略实施提供参考。

关键词：生态环境管理环境立法数字环境管理生态补偿机制绿色发展

In-situ polymerized PEO-based solid electrolytes contribute better li metal batteries:Challenges,strategies,and perspectives

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Journal of Energy Chemistry 2024年第5期92卷 548-571页

作者： Zhihui Jia Yong liu Haoming li Yi Xiong Yingjie Miao Zhongxiu liu Fengzhang Ren School of Materials Science and Engineering Henan Key Laboratory of Non-Ferrous Materials Science&Processing TechnologyHenan University of Science and TechnologyLuoyang 471023HenanChina Provincial and Ministerial Co-construction of Collaborative Innovation Center for Non-ferrous Metal new Materials and Advanced Processing Technology Henan University of Science and TechnologyLuoyang 471023HenanChina

Polyethylene oxide(PEO)-based solid polymer electrolytes(SPEs)with good electrochemical stability and excellent li salt solubility are considered as one of the most promising SPEs for solid-state lithium metal batteries(SSLMBs).However,PEO-based SPEs suffer from low ionic conductivity at room temperature and high interfacial resistance with the electrodes due to poor interfacial contact,seriously hindering their practical *** an emerging technology,in-situ polymerization process has been widely used in PEO-based SPEs because it can effectively increase li-ion transport at the interface and improve the interfacial contact between the electrolyte and ***,we review recent advances in design and fabrication of in-situ polymerized PEO-based SPEs to realize enhanced performance in *** merits and current challenges of various SPEs,as well as their stabilizing strategies are ***,various in-situ polymerization methods(such as free radical polymerization,cationic polymerization,anionic polymerization)for the preparation of PEO-based SPEs are *** addition,the application of in-situ polymerization technology in PEO-based SPEs for adjustment of the functional units and addition of different functional filler materials was systematically discussed to explore the design concepts,methods and working ***,the challenges and future prospects of in-situ polymerized PEO-based SPEs for SSLMBs are also proposed.

关键词： In-situ polymerization Polyethylene oxide Solid polymer electrolytes lithium metal anodes

Dependence of Initial Capacity Irreversibility on Oxygen Framework Chemistry in li-Rich Layered Cathode Oxides

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Energy & Environmental Materials 2024年第5期7卷 57-67页

作者： Xiao li Yibin Zhang Bao Qiu Guoxin Chen Yuhuan Zhou Qingwen Gu Zhaoping liu Ningbo Institute of Materials Technology&Engineering(NIMTE) Chinese Academy of SciencesNingbo 315201China College of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences(UCAS)Beijing 100049China

The undesirable capacity loss after first cycle is universal among layered cathode materials,which results in the capacity and energy *** key to resolving this obstacle lies in understanding the effect and origin of specific active li sites during discharge *** this study,focusing on Ah-level pouch cells for reliability,an ultrahigh initial Coulombic efficiency(96.1%)is achieved in an archetypical li-rich layered oxide *** the structure and electrochemistry analysis,we demonstrate that the achievement of high-capacity reversibility is a kinetic effect,primarily related to the sluggish li mobility during oxygen *** oxygen reduction through small density would induce the oxygen framework contraction,which,according to Pauli repulsion,imposes a great repulsive force to hinder the transport of tetrahedral *** tetrahedral li storage upon deep oxygen reduction is experimentally visualized and,more importantly,contributes to 6%Coulombic efficiency enhancement as well as 10%energy density improvement for pouch cells,which shows great potentials breaking through the capacity and energy limitation imposed by intercalation chemistry.

关键词： irreversible capacity loss li transport kinetics li-rich layered oxides oxygen framework chemistry tetrahedral li