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水泥厂生产过程监控:熟料和水泥制备工艺的优化和Rietveld分析法的结合

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水泥厂生产过程监控:熟料和水泥制备工艺的优化和Rietveld分析法...

Optical probing of ultrafast laser-induced solid-to-overdense-plasma transitions

2005年水泥技术大会暨第七届全国水泥技术交流大会

作者： M.Paul d.hornung M.Enders R.Schmidt Wilhelm dyckerhoff Institut Wiesbaden Dr. deunaZementGmbH Deuna Dr. PolysiusAG Beckum Dr. BrukerAXSGmbH Karlsruhe Germany

一段时间以来,水泥质量实验室一直在期待Rietveld法的应用。众所周知,Bogue算法只是熟料真实矿物相组成的粗略估算,新燃料在水泥厂的应用使熟料的矿物组成发生变化,并影响到最终产品的质量。Rietveld法对熟料矿物进行定量,而不是根据化...

一段时间以来,水泥质量实验室一直在期待Rietveld法的应用。众所周知,Bogue算法只是熟料真实矿物相组成的粗略估算,新燃料在水泥厂的应用使熟料的矿物组成发生变化,并影响到最终产品的质量。Rietveld法对熟料矿物进行定量,而不是根据化学分析对它们进行计算。在研究室里Rietveld法随着软件包、快速的x射线探测器和现代化计算机,以及独特的水泥厂样品制备工艺的不断完善而变得通用。在deuna水泥厂安装了最先进的X射线硬件和软件(d4 Endeavor,Bruker AXS GmbH)和自动化制样系统(Polab-APM,Polysius AG)来监测熟料烧成和水泥粉磨过程。事实证明根据矿物组成而不是化学成分来优化水泥生产的Rietveld分析法是极有价值的工具。

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Light(Science & Applications) 2024年第5期13卷 973-984页

作者： Yasmina Azamoum Georg Alexander Becker Sebastian Keppler Guillaume duchateau Stefan Skupin Mickael Grech Fabrice Catoire Sebastian Hell Issa Tamer Marco hornung Marco Hellwing Alexander Kessler Franck Schorcht Malte Christoph Kaluza GSI Helmholtzzentrum für Schwerionenforschung Planckstr.164291 DarmstadtGermany. Helmholtz Institute Jena Fröbelstieg 307743 JenaGermany. Institute of Optics and Quantum Electronics Friedrich-SchillerUniversität JenaMax-Wien-Platz 107743 JenaGermany. CEA-CESTA 15 Avenue des SablièresCS6000133116 Le BarpCedexFrance Institut Lumière Matière UMR 5306-CNRSUniversitéde Lyon 169622 VilleurbanneFrance. LULI CNRSCEASorbonne UniversitéInstitut Polytechnique de ParisPalaiseauFrance. Universitéde Bordeaux-CNRS-CEA CELIAUMR 5107 TalenceFrance

Understanding the solid target dynamics resulting from the interaction with an ultrashort laser pulse is a challenging fundamental multi-physics problem involving atomic and solid-state physics,plasma physics,and laser *** of the initial interplay of the underlying processes is essential to many applications ranging from lowpower laser regimes like laser-induced ablation to high-power laser regimes like laser-driven ion *** the properties of the so-called pre-plasma formed as the laser pulse’s rising edge ionizes the target is complicated from the theoretical and experimental point of view,and many aspects of this laser-induced transition from solid to overdense plasma over picosecond timescales are still open *** the one hand,laser-driven ion acceleration requires precise control of the pre-plasma because the efficiency of the acceleration process crucially depends on the target properties at the arrival of the relativistic intensity peak of the *** the other hand,efficient laser ablation requires,for example,preventing the so-called“plasma shielding”.By capturing the dynamics of the initial stage of the interaction,we report on a detailed visualization of the pre-plasma formation and ***-thin diamond-like carbon foils are shown to transition from solid to plasma during the laser rising edge with intensitiesd probe transmission measurements evidence sub-picosecond dynamics of an expanding plasma with densities above 10^(23)cm^(−3)(about 100 times the critical plasma density).The complementarity of a solid-state interaction model and kinetic plasma description provides deep insight into the interplay of initial ionization,collisions,and expansion.

关键词： laser acceleration solid

伴或不伴子宫内膜异位症女性的腹膜巨噬细胞中CCR1的表达和调控

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维普期刊数据库

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世界核心医学期刊文摘（妇产科学分册） 2005年第11期1卷 26-26页

作者： Wieser F. dogan S. Klingel K. d.hornung 张瑞 University of Schleswig-Holstein Campus Lübeck Ratzeburgerallee 160 23538 Lübeck Germany Dr.

CCR1 is a CC chemokine receptor with high affinity for RANTES (regulated upon activation, normal T cells expressed and secreted). CCR1 protein and mRNA concentrations in native peritoneal cells were two fold greater, in cultured peritoneal cells three fold greater, in patients with endometriosis compared to patients without endometriosis, as determined by Western blotting fluorescence activated cell sorting analysis, reverse transcription-polymerase chain reaction, and in situ hybridization.

关键词：子宫内膜异位症 CCR1 巨噬细胞腹膜细胞 RANTES 细胞分选原位杂交 RNA 在原

Synchronized off-harmonic probe laser with highly variable pulse duration for laser-plasma interaction experiments

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High Power Laser Science and Engineering 2024年第1期12卷 99-107页

作者： J.hornung Y.Zobus H.Lorenté C.Brabetz B.Zielbauer V.Bagnoud GSI Helmholtzzentrum für Schwerionenforschung GmbH DarmstadtGermany Institut d’Optique UniversitéParis-SaclayPalaiseauFrance Institut für Angewandte Physik Technische Universität DarmstadtDarmstadtGermany

This paper presents the development and experimental utilization of a synchronized off-harmonic laser system designed as a probe for ultra-intense laser±plasma interaction experiments. The system exhibits a novel seed-generation design,allowing for a variable pulse duration spanning over more than three orders of magnitude, from 3.45 picoseconds to 10 nanoseconds. This makes it suitable for various plasma diagnostics and visualization techniques. In a side-view configuration, the laser was employed for interferometry and streaked shadowgraphy of a laser-induced plasma while successfully suppressing the self-emission background of the laser±plasma interaction, resulting in a signal-to-self-emission ratio of 110 for this setup. These properties enable the probe to yield valuable insights into the plasma dynamics and interactions at the PHELIX facility and to be deployed at various laser facilities due to its easy-to-implement design.

关键词： interferometry laser-plasma interaction off-harmonic probe laser streaked shadowgraphy

Modeling of the 3d spatio-temporal thermal profile of joule-class Yb3+-based laser amplifiers

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High Power Laser Science and Engineering 2019年第3期7卷 53-59页

作者： Issa Tamer Sebastian Keppler Jorg Komer Marco hornung Marco Hellwing Frank Schorcht Joachim Hein Malte C.Kaluza Helmholtz-Institute Jena Frobelstieg 307743 JenaGermany Friedrich-Schiller-University Jena Max-Wien Platz 107743 JenaGermany

Thermal profile modification of an active material in a laser amplifier via optical pumping results in a change in the material’s refractive index,and causes thermal expansion and stress,eventually leading to spatial phase aberrations,or even permanent material *** this purpose,knowledge of the 3d spatio-temporal thermal profile,which can currently only be retrieved via numerical simulations,is critical for joule-class laser amplifiers to reveal potentially dangerous thermal features within the pumped active *** this investigation,a detailed,spatio-temporal numerical simulation was constructed and tested for accuracy against surface thermal measurements of various endpumped Yb^3+-doped laser-active *** measurements and simulations show an excellent agreement and the model was successfully applied to a joule-class Yb3+-based amplifier currently operating in the POLARIS laser system at the Friedrich-Schiller-University and Helmholtz-Institute Jena in Germany.

关键词： diode-pumped solid-state lasers high intensity lasers laser amplifiers spatio-temporal thermal profile modeling ytterbium

Ultra-compact post-compressor on-shot wavefront measurement for beam correction at PHELIX

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High Power Laser Science and Engineering 2022年第3期10卷 2-10页

作者： J.B.Ohland U.Eisenbarth B.Zielbauer Y.Zobus d.Posor J.hornung d.Reemts V.Bagnoud GSI Helmholtzzentrum für Schwerionenforschung 64291DarmstadtGermany Institute for Applied Physics Technische Universität Darmstadt64289 DarmstadtGermany Institute of Nuclear Physics Technische Universität Darmstadt64289 DarmstadtGermany Helmholtz-Institut Jena 07743 JenaGermany

In order to reach the highest intensities,modern laser systems use adaptive optics to control their beam ***,the focal spot is optimized after the compression stage of the system in order to avoid spatio-temporal *** also requires a wavefront sensor after the compressor,which should be able to measure the wavefront *** PHELIX,we have developed an ultra-compact post-compressor beam diagnostic due to strict space constraints,measuring the wavefront over the full aperture of 28 *** system features all-reflective imaging beam transport and a high dynamic range in order to measure the wavefront in alignment mode as well as on shot.

关键词： adaptive optics beam quality high intensity laser diagnostics on shot Strehl wavefront

Hydrothermal Lignin Liquefaction

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Hydrothermal Lignin Liquefaction

differential Cross Sections and Collision-Induced Rotational Alignment in Inelastic Scattering of NO(X)by Xe

The 19th European Biomass Conference and Exhibition

作者： hornung,U. Forchheim,d. Meyer,P. Kruse,A.

A high pressure hydrothermal process is applied to convert lignin to *** advantage of such an approach is that fast hydrolysis reactions,thermal degradation reactions and in situ hydrogenation via the water gas shift reaction are taking place simultaneously.32 g of lignin and 400 ml of water are processed in a 1 l tumbling batch reactor at 380 °C and 24 MPa with reaction times between 30 min and 4 *** the formation of solid residues is not fully understood the gained solids are analyzed with FT-IR to characterize the chemical *** dominant structure is aliphatic with a low content of hydroxy/methoxy groups,and presumably a low amount of fully substituted aromatic *** order to influence the solid formation different gas atmospheres as CO,H2,CO2,N2 were applied during the hydrothermal treatment of *** idea is to suppress the formation of solids residues due to in situ hydrogenation reactions via the water gas shift reaction or via direct hydrogen *** expectation could not be verified,since the yields of solids are higher in presence of CO,formic acid and hydrogen,but in matters of phenol concentration a slight increase is achieved with hydrogen and formic acid ***-IR analysis shows that the chemical nature of the solids is more or less independent on the applied reaction times and gas atmospheres.

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Chinese Journal of Chemical Physics 2020年第2期33卷 217-233,I0003,J0001-J0017页

作者： Mark Brouard Helen Chadwick Sean dSGordon Cornelia GHeid Balazs hornung Bethan Nichols Jacek Klos Pablo GJambrina FJavier Aoiz The department of Chemistry University of OxfordThe Chemistry Research Laboratory12 Mans-field RoadOxford OX13TAUK department of Chemistry and Biochemistry University of MarylandCollege ParkMaryland 20742USA departamento de Química Física Facultad de Ciencias QuímicasUniversity of SalamancaSala-mancaSpain departamento de Química Física Facultad de QuímicaUniversidad Complutense28040 MadridSpain

Fully A-doublet resolved differential cross sections and collision-induced rotational alignment moments have been measured for the NO(X)-Xe collision system at a collision energy of 519 cm^-*** experiments combine initial quantum state selection,employing a hexapole inhomogeneous electric field,with quantum state resolved detection,using(1+1')resonantly enhanced multiphoton ionization and velocity map ion *** differential cross sections and polarization dependent differential cross sections are shown to agree well with quantum mechanical scattering calculations performed on ab initio potential energy surfaces[*** et ***.137,014312(2012)].By comparison with quasi-classical trajectory calculations,quantum mechanical scattering calculations on a hard-shell potential,and kinematic apse model calculations,the effects of the attractive part of the potential on the measured differential cross sections and collision-induced rotational alignment moments are assessed.

关键词： Chemical Physics Reaction dynamics Inelastic scattering

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新颖的立体内容制作工具

现代电影技术 2010年第12期 30-34页

作者： Alexander hornung Aljoscha Smolic Markus Gross 刘茂英（译）方捷新（译）刘达（校）苏黎世的瑞士联邦理工学院不详中国电影科学技术研究所

目前,立体影视正逐步成为大众消费产品。然而,尽管立体节目数量正在迅速增加、相关技术也在不断进步,但是立体节目制作和显示仍然存在诸多难题,例如控制和调整实景拍摄内容的立体感就是其中一个重要问题,因为有效改变深度相当于调整摄... 详细信息

目前,立体影视正逐步成为大众消费产品。然而,尽管立体节目数量正在迅速增加、相关技术也在不断进步,但是立体节目制作和显示仍然存在诸多难题,例如控制和调整实景拍摄内容的立体感就是其中一个重要问题,因为有效改变深度相当于调整摄像机的基线距离和会聚角。在已有的后期制作工具中,基线距离和会聚角的调整涉及复杂且昂贵的图像分割、密集深度重建以及图像修复。本文概括了现有立体内容编辑技术及目前难题,并阐述了关于视差校正、深度信息编辑、显示调整以及2d/3d格式转换等最新研究成果及解决方案。

关键词：立体内容制作后期制作深度编辑