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Depression mechanism of sulfite ions on sphalerite and Pb^(2+)activated sphalerite in the flotation separation of galena from sphalerite

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 335-345页

作者： feng Zhang Chenyang Zhang Linlin Wu Wei sun Hongliang Zhang Jianhua Chen Yong Pei Songjiang Li Engineering Research Center of Ministry of Education for Carbon Emission Reduction in Metal Resource Exploitation and Utilization Hunan International Joint Research Center for Efficient and Clean Utilization of Critical Metal Mineral ResourcesSchool of Minerals Processing and BioengineeringCentral South UniversityChangsha 410083China State Key Laboratory of Mineral Processing Beijing General Research Institute of Mining&MetallurgyBeijing 100160China Hunan Provincial Key Laboratory of Micro&Nano Materials Interfaces Science College of Chemistry and Chemical EngineeringCentral South UniversityChangsha 410083China School of Resources Environment and MaterialsGuangxi UniversityNanning 530004China Department of Chemistry Xiangtan UniversityXiangtan 411105China China Railway Resource Group Co.Ltd Beijing 102300China

The depression mechanism of sulfite ions on sphalerite and Pb^(2+)activated sphalerite in the flotation separation of galena from sphalerite still lacked in-depth ***,the depression mechanism of sulfite ions on sphalerite and Pb^(2+)activated sphalerite in the flotation separation of galena from sphalerite was further systematically investigated with experiments and density functional theory(DFT)*** X-ray photoelectric spectroscopy(XPS)results,DFT calculation results,and frontier molecular orbital analysis indicated that sulfite ions were difficult to be adsorbed on sphalerite surface,suggesting that sulfite ions achieved depression effects on sphalerite through other non-adsorption ***,the oxygen content in the surface of sphalerite treated with sulfite ions in creased,which enhanced the hydrophilicity of the sphalerite and further increased the difference in hydrophilicity between sphalerite and ***,sulfite ions were chelated with lead ions to form PbSO_(3)in *** hydrophilic PbSO_(3)was more easily adsorbed on sphalerite than *** interaction between sulfite ions and lead ions could effectively inhibit the activation of *** addition the UV spectrum showed that after adding sulfite ions,the peak of perxanthate in the sphalerite treated xanthate solution was significantly stronger than that in the galena with xanthate solution,indicating that xanthate interacted more readily with sulfite ions and oxygen mo lecules within the sphalerite system,leading to the formation of ***,sulfite ions hardly depressed the flotation of ga lena and could promote the flotation of galena to some *** study deepened the understanding of the depression mechanism o sulfite ions on sphalerite and Pb^(2+)activated sphalerite.

关键词： sphalerite galena sulfite ion density functional theory depression mechanism

Ru doping triggering reconstruction of cobalt phosphide for coupling glycerol electrooxidation with seawater electrolysis

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Journal of Energy Chemistry 2025年第1期100卷 317-326页

作者： Binglu Deng Jie Shen Jinxing Lu Chuqiang Huang Zhuoyuan Chen feng Peng Yunpeng Liu School of Materials Science and Hydrogen Energy Foshan University School of Chemistry and Chemical Engineering Guangzhou University Guangdong Key Laboratory for Hydrogen Energy Technologies

Seawater electrolysis is a promising approach for sustainable energy without relying on precious ***,the large-scale seawater electrolysis is hindered by low catalytic efficiency and severe anode corrosion caused by the harmful *** contrast to the oxygen evolution reaction （OER）and chlorin ion oxidation reaction （ClOR）,glycerol oxidation reaction （GOR） is more thermodynamically and kinetically favorable ***,a Ru doping cobalt phosphide （Ru-CoP2） is proposed as a robust bifunctional electrocatalyst for seawater electrolysis and GOR,for the concurrent productions of hydrogen and value-added *** in situ and ex situ characterization analyses demonstrated that Ru doping featured in the dynamic reconstruction process from Ru-CoP2to Ru-CoOOH,accounting for the superior GOR *** coupling GOR with hydrogen evolution was realized by employing Ru-CoP2as both anode and cathode,requiring only a low voltage of 1.43 V at 100 mA cm-2,which was 250 m V lower than that in alkaline *** work guides the design of bifunctional electrocatalysts for energy-efficient seawater electrolysis coupled with biomass resource upcycling.

关键词： Glycerol electrooxidation Hydrogen evolution Ru doping Cobalt phosphide Bifunctional electrocatalysts

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醋酸酯淀粉浆的性能分析

四川纺织科技 2004年第2期 17-18,21页

作者：倪春锋宿颖峰颜晓青江苏沙洲工学院江苏张家港215600 内蒙古纺织工业学校内蒙古赤峰024005

对醋酸酯淀粉浆的浆液、浆膜性能进行了测试 ,通过与氧化淀粉的相关性能进行比较 ,获得了醋酸酯淀粉浆使用上的一些特性。

关键词：醋酸酯淀粉浆液性能浆膜性能

Responsive Polymeric Nanoparticles for Biofilm-infection Control

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Chinese Journal of Polymer Science 2021年第11期39卷 1376-1391页

作者： Lin-Zhu su Yong Liu Yuan-feng Li ying-Li An Lin-Qi Shi State Key Laboratory of Medicinal Chemical Biology Key Laboratory of Functional Polymer MaterialsMinistry of EducationInstitute of Polymer ChemistryCollege of ChemistryNankai UniversityTianjin 300071China Engineering Research Center of Clinical Functional Materials and Diagnosis&Treatment Devices of Zhejiang Province Wenzhou InstituteUniversity of Chinese Academy of SciencesOujiang LaboratoryWenzhou 325000China

With the emergence of multidrug resistance(MDR)in many pathogens,bacterial infections are becoming a growing threat to public *** frightening scenario is due largely to the formation of biofilms,in which the bacteria are extremely recalcitrant to the conventional antibiotic *** address the emergence of MDR and biofilm-associated infections,numerous polymer-based materials have been designed and prepared *** subject of this perspective is the recent development of polymer-based materials that have been applied to combat multidrug-resistant pathogens,to prevent the formation of biofilms,or enhance the eradication efficacy to mature biofilms via killing biofilm-bacteria or dispersing *** advantages and shortcomings of these polymer-based materials are discussed,as well as the challenges we are facing in the clinical translation of these systems.

关键词： Antibacterial Biofilm Multidrug resistance Polymeric nanoparticles Stimuli-responsive

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医院感染管理与护理管理的协同作用

中国保健营养（下半月） 2012年第6期22卷 1780-1780页

作者：苏凤英广西贵港市港北区人民医院

目的探讨和研究医院感染管理与护理管理的协同作用。方法我院自2010年开始实施护理管理制度改革,进一步的完善护理管理工作,摘取我院2010年全年7946例患者的感染统计,与2009年全年7491例患者的感染统计进行统计学处理和分析。结果 2010... 详细信息

目的探讨和研究医院感染管理与护理管理的协同作用。方法我院自2010年开始实施护理管理制度改革,进一步的完善护理管理工作,摘取我院2010年全年7946例患者的感染统计,与2009年全年7491例患者的感染统计进行统计学处理和分析。结果 2010年我院感染比例为0.97%(77),2009年院内感染比例为2.18%(163),2010年明显优于2009年,差异具有统计学意义(P<0.05)。结论护理管理的优化能够显著的降低院内感染的发生率,对于医院感染管理的控制是十分有利的。

关键词：护理管理医院感染预防

免疫微生态营养在结直肠癌手术加速康复外科中的应用

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德州学院学报 2020年第2期36卷 65-68页

作者：苏英锋薛建罗殿喜肖泉张越平德州市人民医院山东德州253014

手术成为治疗结直肠恶性肿瘤的首选方法.自加速康复外科(enhanced recovery after surgery,ERAS)理论的主要内容之一就是强调肠内营养在结直肠恶性肿瘤患者术后的恢复中起到重要的作用,而肠道免疫微生态营养在肠内营养的过程中扮演着重... 详细信息

手术成为治疗结直肠恶性肿瘤的首选方法.自加速康复外科(enhanced recovery after surgery,ERAS)理论的主要内容之一就是强调肠内营养在结直肠恶性肿瘤患者术后的恢复中起到重要的作用,而肠道免疫微生态营养在肠内营养的过程中扮演着重要的角色.本研究在加速康复外科理论基础上加用免疫微生态营养制剂,观察患者术后恢复情况及机体免疫状态、患者的预后,探讨免疫微生态制剂是否可以成为结直肠癌手术加速康复外科一种新的处理手段,从而推动加速康复外科的发展应用.

关键词：加速康复外科肠道免疫微生态营养结直肠癌

Development and Application of On-line Wind Power Risk Assessment System

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电力系统自动化 2012年第8期36卷 161-165页

作者： su, feng Zhou, Xiaoxin Yu, Haiguo Xian, Wenjun Lü, ying Ren, Lingyu Power System Department China Electric Power Research Institute Beijing 100192 China Qinghai Electric Power Dispatch Center Xining 810008 China

Because of the large-scale integration of wind power,the dynamic characteristics of power system have many uncertain *** on deterministic analysis methods,traditional on-line security assessment system cannot quantitatively estimate the actual operating conditions of the power system for only considering the most serious and credible ***,the risk theory is introduced into an on-line security assessment system and then an on-line risk assessment system for wind power is designed and implemented by combining with the dynamic security assessment *** on multiple data integration,the wind power disturbance probability is available and the security assessment of the power grid can obtain security indices in different *** operating risk index is an expectation of severity,computed by summing up all the products of the result probability and its *** results are reported to the dispatchers in on-line environment,while the comprehensive weak links are automatically provided to the power dispatching *** risk assessment system in operation can verify the reasonableness of the system.

关键词：安全评估系统风力发电系统风险理论应用开发定性分析方法动态安全评估电力调度中心

Copper homeostasis and neurodegenerative diseases

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Neural Regeneration Research 2025年第11期20卷 3124-3143页

作者： Yuanyuan Wang Daidi Li Kaifei Xu Guoqing Wang feng Zhang International Research Laboratory of Ethnomedicine of Ministry of Education Key Laboratory of Basic Pharmacology of Ministry of EducationLaboratory Animal Center and Key Laboratory of Basic Pharmacology of Guizhou ProvinceZunyi Medical UniversityZunyiGuizhou ProvinceChina

Copper,one of the most prolific transition metals in the body,is required for normal brain physiological activity and allows various functions to work normally through its range of *** homeostasis is meticulously maintained through a complex network of copper-dependent proteins,including copper transporters(CTR1 and CTR2),the two copper ion transporters the Cu-transporting ATPase 1(ATP7A)and Cu-transporting beta(ATP7B),and the three copper chaperones ATOX1,CCS,and *** in copper homeostasis can lead to either the deficiency or accumulation of copper in brain *** evidence suggests that abnormal copper metabolism or copper binding to various proteins,including ceruloplasmin and metallothionein,is involved in the pathogenesis of neurodegenerative ***,the exact mechanisms underlying these processes are not *** is a potent oxidant that increases reactive oxygen species production and promotes oxidative *** reactive oxygen species levels may further compromise mitochondrial integrity and cause mitochondrial *** oxygen species serve as key signaling molecules in copper-induced neuroinflammation,with elevated levels activating several critical inflammatory ***,copper can bind aberrantly to several neuronal proteins,including alphasynuclein,tau,superoxide dismutase 1,and huntingtin,thereby inducing neurotoxicity and ultimately cell *** study focuses on the latest literature evaluating the role of copper in neurodegenerative diseases,with a particular focus on copper-containing metalloenzymes and copper-binding proteins in the regulation of copper homeostasis and their involvement in neurodegenerative disease *** synthesizing the current findings on the functions of copper in oxidative stress,neuroinflammation,mitochondrial dysfunction,and protein misfolding,we aim to elucidate the mechanisms by which copper contributes to a wide range of heredit

关键词： Alzheimer's disease amyotrophic lateral sclerosis disease copper homeostasis copper toxicity Huntington's disease Menkes'disease multiple sclerosis neurodegenerative disease Parkinson's disease Wilson's disease

Revolutionizing breast cancer detection:Advances in fluorescent probe technology

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Nano Research 2025年第1期18卷 653-674页

作者： Qian Gao Lin Tang Jun Zhan Yiyuan Xue feng Luo State Key Laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases West China Hospital of StomatologySichuan UniversityChengdu 610041China Emergency Obstetrics and Gynecology West China Second University HospitalSichuan UniversityChengdu 610041China Department of Obstetrics and Gynecology West China Second University HospitalSichuan UniversityChengdu 610041China Department of Prosthodontics West China School of StomatologySichuan UniversityChengdu 610041China

With the increasing incidence of breast cancer globally,there is an urgent demand for enhanced diagnostic and therapeutic *** comprehensive review explores advancements in fluorescent probe technology for breast cancer imaging and early *** probes offer unparalleled sensitivity and specificity in detecting cancer biomarkers,enabling early diagnosis and delineation of tumor margins during *** categorize these probes into molecular,nano,ratiometric,the second near-infrared window(NIR-II),and multifunctional varieties,each with unique capabilities for targeting specific cancer *** review highlights recent innovations in probe design,emphasizing their applications in pathogenesis studies,drug development,precision medicine,and fluorescence-guided *** their promising clinical potential,challenges such as safety,biomarker targeting accuracy,system compatibility,and clinical translation *** these hurdles is crucial for the integration of fluorescent probes into standard cancer care,aiming to improve treatment outcomes and patient quality of life.

关键词： breast cancer fluorescent probes imaging early diagnosis biomarker