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混凝土搅拌站主楼除尘系统研究

建筑机械 2018年第12期 54-56页

作者：信华章无锡市新蕾机械制造有限公司

文章介绍了目前混凝土搅拌站搅拌主楼采用的两种除尘方式(自然式排气除尘和强制式除尘)的结构和工作原理,并结合二者优劣以及适用场合进行了阐述。

关键词：混凝土搅拌站主楼自然式排气除尘强制式除尘

胃肠充盈超声造影检查补充诊断胃黏膜下微小占位病灶1例

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世界华人消化杂志 2024年第1期32卷 88-92页

作者：吕明月张新华甘肃中医药大学甘肃省人民医院超声医学科甘肃省兰州市730000

背景胃壁黏膜下病变体积过小或突出于胃腔外时,胃镜检查不易发现且易造成漏诊.病例简介本例患者胃镜首诊提示胃底黏膜下隆起型肿物,电子计算机断层扫描检查提示胃底黏膜下隆起型肿物为胃底间质瘤伴出血,该患者术前行胃肠充盈超声造影检... 详细信息

背景胃壁黏膜下病变体积过小或突出于胃腔外时,胃镜检查不易发现且易造成漏诊.病例简介本例患者胃镜首诊提示胃底黏膜下隆起型肿物,电子计算机断层扫描检查提示胃底黏膜下隆起型肿物为胃底间质瘤伴出血,该患者术前行胃肠充盈超声造影检查术前定位并补充诊断,明确了胃底间质瘤大小、内部回声及位置后,另于胃体小弯侧垂直部检出一大小5 mm×6 mm实性结节,患者行胃部病灶切除术,验证了胃底及胃体小弯侧垂直部2个病灶.结论术后病理及免疫组化证实胃底肿物为中危型胃间质瘤,胃体小弯侧垂直部为胃平滑肌瘤.胃肠充盈超声造影检查互补检出了前述两项检查未提示的胃体黏膜下小的占位性病灶.该项检查对胃黏膜下微小病变及向腔外突出的病灶,因其简便快捷精准有独特优势,可作为胃肠疾病首选的影像学互补检查手段.

关键词：胃间质瘤胃平滑肌瘤胃肠充盈超声造影补充诊断病理诊断

miR-200c-SUMOylated KLF4 feedback loop acts as a switch in transcriptional programs that control VSMC proliferation

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miR-200c-SUMOylated KLF4 feedback loop acts as a switch in t...

Recent progress in constructing fluorinated solid-electrolyte interphases for stable lithium metal anodes

脂质组学与脂蛋白的新功能——第十二届全国脂质与脂蛋白学术会议

作者： Bin Zheng xin-hua zhang Chan-quan Nie Yong hui Li Yong zhang Hui-jing Shi Yan Liu Cui-ying Zheng Tian zhang Jin-kun Wen Department of Biochemistry and Molecular Biology Hebei Medical University Department of Urinary Surgery Second Hospital of Hebei Medical University

The regulation of vascular smooth muscle cell(VSMC)proliferation is an important issue due to its major implications for the prevention of patliological vascular *** found that miR-200c inhibited the expression of Kruppel-like transcription factor 4(KLF4)and the SUMO-conjugating enzyme Ubc9 under basal *** of unSUMOylated KLF4 with p300 activated p21(p2ltranscription leading to

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 270-291页

作者： Di zhang Pengfei Lv Wei Qin xin He Yuanhua He Civil Aircraft Fire Science and Safety Engineering Key Laboratory of Sichuan Province College of Civil Aviation Safety EngineeringCivil Aviation Flight University of ChinaGuanghan 618307China School of Chemical Engineering Sichuan UniversityChengdu 610065China

Lithium metal batteries(LMBs)are emerging as a promising energy storage solution owing to their high energy density and specific ***,the non-uniform plating of lithium and the potential rupture of the solid-electrolyte interphase(SEI)during extended cycling use may result in dendrite growth,which can penetrate the separator and pose significant short-circuit *** a stable SEI is essential for the long-term operation of the ***-rich SEI has garnered significant attention for its ability to effectively passivate electrodes,regulate lithium deposition,and inhibit electrolyte *** the structural components and preparation methods of existing fluorinated SEI is crucial for optimizing lithium metal anode *** paper reviews the research on optimizing LiF passivation interfaces to protect lithium metal *** focuses on four types of compositions in fluorinated SEI that work synergistically to enhance SEI *** instance,combining compounds with LiF can further enhance the mechanical strength and ionic conductivity of the *** metals with LiF significantly improves electrochemical performance at the SEI/anode interface,with a necessary focus on reducing electron tunneling ***,incorporating polymers with LiF offers balanced improvements in interfacial toughness and ionic conductivity,though maintaining structural stability over long cycles remains a critical area for future *** alloys combined with LiF increase surface energy and lithium affinity,challenges such as dendrite growth and volume expansion *** summary,this paper emphasizes the crucial role of interfacial structures in LMBs and offers comprehensive guidance for future design and development efforts in battery technology.

关键词： LiF lithium metal anodes solid-electrolyte interphase interface cycling stability

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甲烷气相均相选择氧化合成甲醇

石油化工 2003年第3期32卷 195-199页

作者：张昕贺德华张启俭朱起明清华大学化学系一碳化学与化工国家重点实验室北京100084

在特殊设计的不同尺寸的微型反应器和模试反应器中考察了反应温度、气体流速、压力、CH4/O2体积比、反应器恒温段长度以及运行时间等因素对CH4气相均相选择氧化合成CH3OH的影响。结果表明:430～470℃、较高的反应压力、较高的V(CH4)/V(O... 详细信息

在特殊设计的不同尺寸的微型反应器和模试反应器中考察了反应温度、气体流速、压力、CH4/O2体积比、反应器恒温段长度以及运行时间等因素对CH4气相均相选择氧化合成CH3OH的影响。结果表明:430～470℃、较高的反应压力、较高的V(CH4)/V(O2),较大的反应气体流量的条件下,甲烷转化率为10%～13%,甲醇选择性为55%～65%,收率为7%～8%。反应尾气中还含有相当量的CO和H2,CO2选择性可以被控制在较低水平(≤5%)。提出了以管道天然气为原料一次通过直接氧化法合成CH3OH的新构想。

关键词：甲烷合成甲醇选择氧化气相均相反应一次通过法

Deciphering the role of ultra-low-loaded rhodium in NiFe-MIL-53 for superior oxygen evolution reaction

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Journal of Energy Chemistry 2025年第1期100卷 77-86页

作者： Jinzhi Jia Jinhua zhang Kailu Guo Lanyue zhang Gening Du Hao You Junfeng huang Mudong Tu hua Li Yong Peng Wei Dou Cailing Xu State Key Laboratory of Applied Organic Chemistry College of Chemistry and Chemical Engineering School of Materials and Energy Lanzhou University College of Chemistry and Chemical Engineering Luoyang Normal University

Designing highly active and stable electrocatalysts of oxygen evolution reaction （OER） is one of the crucial *** this study,a novel OER electrocatalyst,NiFe-MIL-53 modified with ultra-low rhodium（Rh@NiFe-MIL-53）,is successfully prepared via the hydrothermal ***-situ Raman spectroscopy and electrochemical impedance spectroscopy reveal that the doped Rh accelerates the phase transformation of NiFe-MIL-53 and the in-situ formed Rh@NiFeOOH is the actual active *** importantly,the enhanced reversibility of electrochemical reconstruction between NiFeOOH and NiFe（OH）2after doping Rh is beneficial for improving the electrochemical stability of the catalyst.X-ray photoelectron spectroscopy spectra show the strong electronic interaction between single-atom Rh and Ni/Fe in Rh@***,theoretical calculations confirm that the integration of single-atom Rh into the NiFeOOH successfully reduces the band gap,regulates the d-band center （εd）,accelerates the charge transfer,and optimizes the adsorption behavior of oxygen-containing intermediates,thereby lowering the energy barrier of rate-determining ***,the optimized Rh@NiFe-MIL-53 exhibits excellent OER activity （240 mV） with a small Tafel slope of 48.2 mV dec-1and long-term durability (over1270 h at 10 m A cm-2and 110 h at 200 mA cm-2).This work presents a new perspective on designing highly efficient OER electrocatalysts.

关键词： NiFe-MIL-53 Rh Electrochemical reconstruction Catalytic mechanism Oxygen evolution reaction

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HLS240混凝土搅拌楼概述

建筑机械 2019年第1期39卷 79-82页

作者：信华章张辉无锡市新蕾机械制造有限公司江苏无锡214131

本文从技术参数、结构组成、工作原理以及与传统混凝土搅拌站的比较优势介绍了新型产品HLS240混凝土搅拌楼。根据用户反馈和使用过程的跟踪情况来看,该产品达到甚至超出了预期效果,得到了用户的好评。随着混凝土搅拌设备不断向环保、节... 详细信息

本文从技术参数、结构组成、工作原理以及与传统混凝土搅拌站的比较优势介绍了新型产品HLS240混凝土搅拌楼。根据用户反馈和使用过程的跟踪情况来看,该产品达到甚至超出了预期效果,得到了用户的好评。随着混凝土搅拌设备不断向环保、节能、大型化方向发展,HLS240混凝土搅拌楼的市场前景将越来越广。

关键词： HLS240混凝土搅拌楼技术参数结构工作原理

中药单体氢溴酸槟榔碱对糖尿病胃轻瘫大鼠胃动力的影响

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世界华人消化杂志 2010年第10期18卷 975-980页

作者：张新华高峰严祥陈明刘纯甘肃省人民医院超声科甘肃省兰州市730000 甘肃省人民医院输血科甘肃省兰州市730000 兰州大学第一医院干部病房甘肃省兰州市730000 兰州大学第一医院核医学科甘肃省兰州市730000

目的:应用放射性核素单光子发射断层显像技术胃排空测定法(SPECT)观察中药单体氢溴酸槟榔碱(ARE)对糖尿病胃轻瘫(DGP)大鼠胃动力的影响及可能的作用机制.方法:清洁级(SPF)♂Wistar大鼠95只,随机分为正常对照组(n=20)、实验组(n=75).正... 详细信息

目的:应用放射性核素单光子发射断层显像技术胃排空测定法(SPECT)观察中药单体氢溴酸槟榔碱(ARE)对糖尿病胃轻瘫(DGP)大鼠胃动力的影响及可能的作用机制.方法:清洁级(SPF)♂Wistar大鼠95只,随机分为正常对照组(n=20)、实验组(n=75).正常对照组以普通饲料喂养20wk,实验组以高脂高糖饲料喂养6wk后,小剂量链脲佐菌素(STZ)腹腔注射建立糖尿病模型,以高糖高脂饲料及饮食失节法继续诱导20wk后,应用SPECT筛检出DGP大鼠模型,随机分为模型组、氢溴酸槟榔组(ARE)及红霉素组(ERY),而后进行药物尾静脉注射,前后再次测定胃排空.实验结束时各组大鼠空腹12h(禁食不禁水)后采血用生物化学方法测定血脂、血糖.结果:正常对照组、DGP模型组胃半排空时间(GET1/2)分别为71.96min±14.60min、161.9min±10.61min,模型组GET1/2显著高于正常对照组,差异有统计学意义(P<0.05),ARE组大鼠治疗后GET1/2(165.8min±18.30min)缩短为99.6min±16.60min,ERY组大鼠治疗后GET1/2(164.1min±20.71min)缩短为133.3min±19.70min,与本组治疗前比较均显著缩短,差异有统计学意义(P<0.05).ARE组GET1/2较ERY组缩短显著,组间比较差异有统计学意义(P<0.05),模型组治疗前后比较差异无统计学意义.实验结束时模型组大鼠空腹血糖(GLU)、三酰甘油(TC)较正常对照组明显升高,ARE组及ERY组治疗后TG较模型组下降,差异有统计学意义(P<0.05),GLU、TC、LDL-C均有下降趋势,差异无统计学意义.结论:ARE及ERY均可促进DGP大鼠的GET1/2,其中ARE的治疗效果优于ERY;给予ARE及ERY治疗后TG水平下降.

关键词：中药单体氢溴酸槟榔碱红霉素糖尿病胃轻瘫放射性核素胃排空测定法大鼠

Defect Engineering:Can it Mitigate Strong Coulomb Effect of Mg^(2+)in Cathode Materials for Rechargeable Magnesium Batteries?

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Nano-Micro Letters 2025年第1期17卷 135-159页

作者： Zhengqing Fan Ruimin Li xin zhang Wanyu Zhao Zhenghui Pan Xiaowei Yang School of Chemistry and Chemical Engineering Shanghai Jiao Tong UniversityShanghai 200240People’s Republic of China School of Chemistry and Chemical Engineering Taiyuan University of TechnologyTaiyuan 030024People’s Republic of China School of Materials Science and Engineering Tongji UniversityShanghai 201804People’s Republic of China

Rechargeable magnesium batteries(RMBs)have been considered a promising“post lithium-ion battery”system to meet the rapidly increasing demand of the emerging electric vehicle and grid energy storage ***,the sluggish diffusion kinetics of bivalent Mg^(2+)in the host material,related to the strong Coulomb effect between Mg^(2+)and host anion lattices,hinders their further development toward practical *** engineering,regarded as an effective strategy to break through the slow migration puzzle,has been validated in various cathode materials for *** this review,we first thoroughly understand the intrinsic mechanism of Mg^(2+)diffusion in cathode materials,from which the key factors affecting ion diffusion are further ***,the positive effects of purposely introduced defects,including vacancy and doping,and the corresponding strategies for introducing various defects are *** applications of defect engineering in cathode materials for RMBs with advanced electrochemical properties are also ***,the existing challenges and future perspectives of defect engineering in cathode materials for the overall high-performance RMBs are described.

关键词： Rechargeable magnesium battery Sluggish diffusion kinetic Defect engineering Cathode materials Ion migration