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流化床内重金属蒸发特性的动力学模型

工程热物理学报 2009年第2期30卷 347-349页

作者：刘晶 d gauthier S Abanades G Flamant 郑楚光华中科技大学煤燃烧国家重点实验室 CNRS-PROMES BP 5 Odeillo 66125 Font-Romeu France

在流化床内煤燃烧烟气中重金属浓度的实时监测基础上,发展动力学模型来研究重金属蒸发释放的动力学特性。该方法包括出口烟气中的重金属浓度变化的实验数据和一个反应器尺度的模型。在反应器的气体出口安装了在线分析系统,该在线分析系... 详细信息

在流化床内煤燃烧烟气中重金属浓度的实时监测基础上,发展动力学模型来研究重金属蒸发释放的动力学特性。该方法包括出口烟气中的重金属浓度变化的实验数据和一个反应器尺度的模型。在反应器的气体出口安装了在线分析系统,该在线分析系统可连续测量烟气中的重金属浓度变化规律。将烟气重金属在线分析的实验结果作为模型的输入参数,根据重金属的蒸发率和固体颗粒中重金属浓度的关系得到其蒸发的动力学规律,对于煤得到2级反应动力学规律。

关键词：重金属煤流化床烟气蒸发

基于烟气重金属浓度在线监测的流化床蒸发动力学模型

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中国电机工程学报 2008年第11期28卷 1-5页

作者：刘晶 S.Abanades d.gauthier G.Flamant 郑楚光煤燃烧国家重点实验室(华中科技大学) 湖北省武汉市430074 CNRS-PROMES BP 50deilloFont-Romeu 66125France

应用改进的电感耦合等离子体发射光谱仪对烟气中重金属的相对浓度进行在线测量,以全面跟踪重金属的释放过程。在烟气重金属浓度实时监测基础上,发展动力学模型来研究重金属蒸发释放的动力学特性。应用矿物质基体氧化铝的实验结果来验证... 详细信息

应用改进的电感耦合等离子体发射光谱仪对烟气中重金属的相对浓度进行在线测量,以全面跟踪重金属的释放过程。在烟气重金属浓度实时监测基础上,发展动力学模型来研究重金属蒸发释放的动力学特性。应用矿物质基体氧化铝的实验结果来验证数学模型的有效性,理论模拟值与实验结果吻合较好。结果表明应用模型,将烟气重金属在线分析的实验结果作为输入参数,可用于预测重金属的蒸发率。根据重金属的蒸发率和固体颗粒中重金属浓度的关系得到其蒸发的动力学规律,对于氧化铝得到1级反应动力学规律。

关键词：重金属蒸发动力学模拟烟气流化床

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烟气中重金属浓度的在线测量

化工学报 2006年第9期57卷 2185-2188页

作者：刘晶郑楚光陆继东 S.Abanades d.gauthier G.Flamant 华中科技大学煤燃烧国家重点实验室 CNRS-PROMES BP5 Odeillo66125 Font-RomeuFrance

An inductively coupled plasma atomic emission spectrometer （ICP-AES） was developed to continuously measure the heavy metals concentrations in flue gas in order to track the metal release *** system is devoted to the thermal treatment of metal-spiked mineral matrix, coal and municipal solid wastes in fluidized bed （850℃）.This method was used to study the kinetics of heavy metals *** optimum values of the gas flows from the 1200 W power generator were 0.1 L·min -1 for the sample gas and 0.2 L·min -1 for *** the thermal treatment of coal and municipal solid waste,Cd and Pb were released readily,while Zn was released at a lower level than Cd and *** formation of stable compounds such as ZnO·Al2O3 and CdO·Al2O3 from the reaction of heavy metals with fly ash particles could decrease heavy metals *** all cases, the experimental setup was successfully used to monitor the heavy metal release process during coal and solid waste thermal treatment.

关键词：在线测量重金属烟气流化床

城市垃圾焚烧过程中重金属释放行为的试验研究

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燃烧科学与技术 2003年第6期9卷 516-520页

作者：孙路石陆继东张娟 Abanades S Flamant G gauthier d 华中科技大学煤燃烧国家重点实验室武汉430074 法国国家科学研究中心材料过程研究所

以城市垃圾为研究对象,在流化床试验装置上进行焚烧试验,并采用电感耦合等离子体发射光谱仪在线测量烟气中的重金属浓度,研究不同气氛条件(空气、混合气和氮气)下Cd、Pb及Zn3种重金属的释放特性.试验发现,城市垃圾焚烧过程中,在还原气氛... 详细信息

以城市垃圾为研究对象,在流化床试验装置上进行焚烧试验,并采用电感耦合等离子体发射光谱仪在线测量烟气中的重金属浓度,研究不同气氛条件(空气、混合气和氮气)下Cd、Pb及Zn3种重金属的释放特性.试验发现,城市垃圾焚烧过程中,在还原气氛及HCl存在的情况下,Cd及Pb较易挥发释放,而Zn释放程度较低,且基本不受气氛条件的影响.研究结果对揭示城市垃圾流化床焚烧过程中重金属释放行为有一定的意义.

关键词：城市垃圾焚烧重金属释放流化床

胆道闭锁患儿Kasai术后远期预后研究——63例带自体肝患者生存20年评估

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临床小儿外科杂志 2005年第6期4卷 401-405页

作者：朱坚韩天权 Frédéric gauthier 上海交通大学附属瑞金医院上海消化内科研究所上海200025 法国巴黎大学附属医学中心(CHU)Bicêtre医院儿外科

目的评估胆道闭锁患儿Kasai术后远期预后。方法1968年～1983年,法国巴黎Bicêtre医院儿外科共对271例胆道闭锁患儿行Kasai手术或其变异术式,术后随访20年,对带自体肝生存患者进行综合性评估。结果271例患者中,63例(占23%)带自体肝者至... 详细信息

目的评估胆道闭锁患儿Kasai术后远期预后。方法1968年～1983年,法国巴黎Bicêtre医院儿外科共对271例胆道闭锁患儿行Kasai手术或其变异术式,术后随访20年,对带自体肝生存患者进行综合性评估。结果271例患者中,63例(占23%)带自体肝者至少生存20年。肝功能结果显示:21例总胆红素指标正常,其中12例γ-GT和转氨酶指标正常;44例有门脉高压表现;19例仍有晚期胆道感染发作;6例并发胆道结石;61例患者肝穿刺活检提示有不同程度肝硬化表现。20岁之后,2例死于肝功能衰竭;10例已行肝移植;4例正等待肝移植。结论胆道闭锁患儿Kasai术后带自体肝20年生存率仅为23%,大部分患儿转肝移植治疗。即使带自体肝生存患儿随访各项指标也不令人满意。因此密切关注肝脏情况,尽早发现并发症,对决定进一步治疗措施,改善预后,具有积极的意义。

关键词：胆道闭锁/外科学远期预后

术中门静脉测压对胆道闭锁患儿Kasai术后的预后评估

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临床外科杂志 2006年第5期14卷 294-296页

作者：朱坚韩天权张圣道 Frédéric gauthier 上海交通大学医学院附属瑞金医院普外科 200025 法国巴黎大学附属医学中心(CHU)Bicêtre医院儿外科

目的采用术中门静脉压力测定对胆道闭锁患儿Kasai术后的预后评估。方法1990年1月至1996年12月,法国巴黎Bic毢tre医院儿外科共对127例胆道闭锁患儿行Kasai手术或其变异术式,其中113例术中脐静脉插管行门静脉压力测定,术后平均随访9年。... 详细信息

目的采用术中门静脉压力测定对胆道闭锁患儿Kasai术后的预后评估。方法1990年1月至1996年12月,法国巴黎Bic毢tre医院儿外科共对127例胆道闭锁患儿行Kasai手术或其变异术式,其中113例术中脐静脉插管行门静脉压力测定,术后平均随访9年。分别计算患儿带自体肝生存率和带自体肝且无门静脉高压生存率,进行比较;依据患儿手术时的年龄,胆道闭锁的类型,手术方式,有无polysplenia综合征以及术时门静脉压力对生存率进行评估。结果术中门脉压力正常患儿带自体肝5年和10年生存率较门静脉压力升高组显著延长。门静脉压力升高组5年带自体肝且无门静脉高压表现的生存率显著低于门静脉压力正常组。胆道闭锁的类型和门静脉压力改变较其他指标更显著反映对Kasai术后预后影响。结论术前门静脉压力改变对Kasai术后的预后有显著性指导意义,并且优于其他指标。

关键词：胆道闭锁 Kasai手术门脉压力预后

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阿尔茨海默病现状及展望

Science Bulletin 2022年第24期67卷 2494-2497页

作者：刘文颖 Serge gauthier 贾建平 Innovation Center for Neurological disorders and department of Neurology Xuanwu HospitalCapital Medical UniversityNational Clinical Research Center for Geriatric DiseasesBeijing 100053China departments of Neurology and Neurosurgery and Department of PsychiatryMcGill Centre for Studies in AgingMcGill UniversityMontreal H4H1R3Canada Beijing Key Laboratory of Geriatric Cognitive disorders Beijing 100053China Clinical Center for Neurodegenerative disease and Memory Impairment Capital Medical UniversityBeijing 100053China Center of Alzheimer’s disease Beijing Institute of Brain DisordersCollaborative Innovation Center for Brain DisordersCapital Medical UniversityBeijing 100053China Key Laboratory of Neurodegenerative diseases Ministry of EducationBeijing 100053China

Aging is an undeniable fact of life and the global population is aging to a historically unprecedented degree. The population aged65 years or older comprises 750 million people, representing nearly 10%of the global population. As a result of prolonged life expectancy and falling mortality rates, China has become one of the most rapidly aging countries in the world, even surpassing several high-income countries in North America and Europe.

关键词：阿尔茨海默病 income representing

Osteocyte pericellular and perilacunar matrices as markers of bone-implant mechanical integrity

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BIOCELL 2022年第10期46卷 2209-2216页

作者： ReMY gauthier HeLÈNE FOLLET ANA-MARIA TRUNFIO-SFARGHIU dELPHINE FARLAY NINA ATTIK SYLVAIN MEILLE JeRÔME CHEVALIER dAVId MITTON Universite de Lyon CNRSINSA de LyonUniversite Claude Bernard Lyon 1MATEISUMR5510VilleurbanneF-69621France Universite de Lyon Universite Claude Bernard Lyon 1INSERMLYOS UMR 1033LyonF-69008France Universite de Lyon INSA-LyonCNRS UMR5259LaMCoSVilleurbanneF-69621France Universite de Lyon Universite Claude Bernard Lyon 1UMR CNRS 5615Laboratoire des Multimateriaux et InterfacesVilleurbanneF-69622France Universite de Lyon Universite Claude Bernard Lyon 1Faculte d’OdontologieLyonF-69008France Universite de Lyon Universite Gustave EiffelUniv Claude Bernard Lyon 1LBMC UMR_T 9406LyonF-69622France

To develop durable bone healing strategies through improved control of bone repair,it is of critical importance to understand the mechanisms of bone mechanical integrity when in contact with biomaterials and *** mechanical integrity is defined here as the adaptation of structural properties of remodeled bone in regard to an applied mechanical ***,the authors present why future investigations in bone repair and regeneration should emphasize on the matrix surrounding the *** are mechanosensitive cells considered as the orchestrators of bone remodeling,which is the biological process involved in bone *** bone cells are trapped in an interconnected porous network,the lacunocanalicular network,which is embedded in a bone mineralized extracellular *** a consequence of an applied mechanical loading,the bone deformation results in the deformation of this lacunocanalicular network inducing a shift in interstitial fluid pressure and velocity,thus resulting in osteocyte *** material environment surrounding each osteocyte,the so called perilacunar and pericellular matrices properties,define its *** this mechanical stimulation pathway is well known,the laws used to predict bone remodeling are based on strains developing at a tissue scale,suggesting that these strains are related to the shift in fluid pressure and velocity at the lacunocanalicular *** this relationship has been validated through observation in healthy bone,the fluid behavior at the bone-implant interface is more *** presence of the implant modifies fluid behavior,so that for the same strain at a tissue scale,the shift in fluid pressure and velocity will be different than in a healthy bone *** that context,new markers for bone mechanical integrity,considering fluid behavior,have to be *** viewpoint exposed by the authors indicates that the properties of the pericellular and the perilacunar

关键词： Bone mechanical integrity Osteocytes Pericellular Perilacunar Mechanosensitivity

Wafer-level vapor cells filled with laser-actuated hermetic seals for integrated atomic devices

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Microsystems & Nanoengineering 2022年第6期8卷 225-235页

作者： Vincent Maurice Clément Carlé Shervin Keshavarzi Ravinder Chutani Samuel Queste Ludovic gauthier-Manuel Jean-Marc Cote Rémy Vicarini Moustafa Abdel Hafiz Rodolphe Boudot Nicolas Passilly IEMN-Institut d’Electronique de Microélectronique et de Nanotechnologie UMR8520 CNRSUniversitéLilleCentrale LilleF-59000 LilleFrance FEMTO-ST Institute UMR6174 CNRSUniversitéBourgogne Franche-ComtéF-25030 BesançonFrance

Atomic devices such as atomic clocks and optically-pumped magnetometers rely on the interrogation of atoms contained in a cell whose inner content has to meet high standards of purity and ***-blowing techniques and craftsmanship have evolved over many decades to achieve such standards in macroscopic vapor *** the emergence of chip-scale atomic devices,the need for miniaturization and mass fabrication has led to the adoption of microfabrication techniques to make millimeter-scale vapor ***,many shortcomings remain and no process has been able to match the quality and versatility of glass-blown ***,we introduce a novel approach to structure,fill and seal microfabricated vapor cells inspired from the century-old approach of glass-blowing,through opening and closing single-use zero-leak microfabricated *** valves are actuated exclusively by laser,and operate in the same way as the“make-seals”and“break-seals”found in the filling apparatus of traditional *** structures are employed to fill cesium vapor cells at the *** make-seal structure consists of a glass membrane that can be locally heated and deflected to seal a *** break-seal is obtained by breaching a silicon wall between *** new approach allows adapting processes previously restricted to glass-blown *** can also be extended to vacuum microelectronics and vacuum-packaging of micro-electro-mechanical systems(MEMS)devices.

关键词： filled vacuum heated