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Remarkable catalysis of spinel ferrite XFe2O4(X=Ni,Co,Mn,Cu,Zn)nanoparticles on the dehydrogenation properties of LiAlH_(4):An experimental and theoretical study

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j.urnal of Materials Science & Technology 2022年第16期111卷 189-203页

作者： Sheng Wei j.axi Liu Yongpeng Xia Huanzhi Zhang Riguang Cheng Lixian Sun Fen Xu Pengru Huang Federico Rosei Aleskey A.Pimerzin hans j.ergen Seifert Hongge Pan School of Material Science&Engineering Guangxi Key Laboratory of Information Materials and Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin University of Electronic TechnologyGuilin 541004China School of Mechanical&Electrical Engineering Guilin University of Electronic TechnologyGuilin 541004China CentreÉnergie Matériaux et TélécommunicationsInstitut National de la Recherche Scientifique1650 Boul.Lionel BouletVarennesJ3×1S2QuébecCanada Samara State Technical University Samara443100Russia Institute for Applied Materials Karlsruhe Institute of TechnologyHermann von Helmholtz Platz 176344 Eggenstein LeopoldshafenGermany School of New Energy Science and Technology Xi’an Technological UniversityXi’an 710021China

Safe,compact,lightweight and cost-effective hydrogen storage is one of the main challenges that need to be addressed to effectively deploy the hydrogen ***_(4),as a solid-state hydrogen storage material,presents several advantages such as high hydrogen storage capacity,low price and abundant ***,neither thermodynamic nor kinetic properties of dehydrogenation for LiAlH_(4)can fulfill the requirements of practical ***,a series of spinel ferrite nanoparticles such as XFe_(2)O_(4)(X=Ni,Co,Mn,Cu,Zn,Fe)were prepared by using the modified thermal decomposition method,and then doped into LiAlH_(4)by using ball *** results show that LiAlH_(4)doped with 7 wt%NiFe_(2)O_(4)starts to release hydrogen at 69.1°C,and the total amount of hydrogen released is 7.29 wt%before 300°*** activation energies of the two-step hydrogen release reactions of LiAlH_(4)doped with 7 wt%NiFe_(2)O_(4)are 42.32 kj.mol^(-1)and 71.42 k j.mol,which are 59.0%and 63.6%lower than those of as-received LiAlH_(4),*** the density functional theory(DFT)calculations,we reveal that both the presence of Ni FeOand in-situ formed AlNiin ball-milling decrease the desorption energy barrier of Al-H bonding in LiAlH_(4)and accelerate the breakdown of Al-H bonding through the interfacial charge transfer and the dehybridization of the Al-H ***,the experimental and theoretical results open a new avenue toward designing high effective catalysts applied to LiAlH_(4)as a candidate for hydrogen storage.

关键词： Hydrogen storage Lithium aluminum Spinel ferrite nanoparticles

From Single Droplet to Column Design

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Tsinghua Science and Technology 2006年第2期11卷 212-216页

作者： hans-j.rg Bart Institute of Thermal Process Engineering TU Kaiserslautern D-67653 Kaiserslautern Germany

The technique state to design counter-current extraction columns is based on the performance of pilot plant experiments. The modelling is then either with the equilibrium or dispersion model, whereas in the latter the dispersion coefficient accounts for all hydrodynamic non-idealities. A new approach uses single droplet experiments to obtain the basic laws and functions governing droplet breakage, coalescence, relative velocity, and axial dispersion when using droplet populance balance models （DPBM）. The hydrodynamics simulation results show that the mean Sauter diameter, hold-up, and concentration profiles could be well predicted, which promotes the use of DPBM models for further applications in industrial scale.

关键词： single droplet column design countercurrent extraction droplet populance balance model

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安徒生博物馆新馆

城市环境设计 2024年第1期147卷 124-131页

作者：池口由纪 Nicolas Guichard Miruna Constantinescu Elise Fauquembergue Rasmus Hj.rtsh?j COAST

该项目旨在为安徒生博物馆、花园和Tinderbox文化中心建造一座新建筑。新建筑位于欧登塞—安徒生出生的城市的市中心。项目用地位于拥有中世纪小型传统木屋的住宅区和欧登塞新开发的城区之间。这里要讲述的故事不仅以书面形式存在，而...

该项目旨在为安徒生博物馆、花园和Tinderbox文化中心建造一座新建筑。新建筑位于欧登塞—安徒生出生的城市的市中心。项目用地位于拥有中世纪小型传统木屋的住宅区和欧登塞新开发的城区之间。这里要讲述的故事不仅以书面形式存在，而且是通过博物馆和花园的物理空间来体验和感知的。安徒生的作品传达了深刻的信息，反映了作者的人生历程。安徒生的作品展现了围绕我们的各种双重对立：真实与想象，自然与人造，人与动物，光明与黑暗……事物的对立面共存，它们不是黑白的。我们的建筑设计就是要以建筑和景观的方式体现他作品的精髓。

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Characteristics of Nd：YGG Laser Operating at ^4F3/2-^4I9/2

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Chinese Physics Letters 2008年第11期25卷 3988-3990页

作者：张玲张春雨李德华魏志义张治国 hans j. eichler Stephan Strohmaier Beij.ng National Laboratory or Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 Optical Institute Technical University Berlin Strasse de 17 Juni 135 D-10623 Berlin Germany

The laser properties of the Nd：YGG crystal are investigated. The absorption spectrum from 500 to 90Onto and emission spectrum from 850 to 1400nm of Nd：YGG are measured. As much as 1.35 W output power of fundamental laser operating at 935 and 938nm with a slope efficiency of 15.7% and 105mW output power of frequency doubled blue laser are successfully obtained.

关键词： Characteristics of Nd:YGG Laser Operating ~4F_(3/2)-~4I_(9/2)

Silurian-Devonian and j.rassic Thermal Events in the Ordos Basin, China: Indications from K-Ar Dating on Illites

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Acta Geologica Sinica(English Edition) 1996年第4期70卷 435-446页

作者： hans Ahrendt Klaus Wemmer hans-j.rgen Behr Institute of Geology and Dynamics of Lithosphere University of Gttingen G ttingen GermanyInstitute of Geology and Dynamics of LithosphereUniversity of Gttingen G ttingen GermanyInstitute of Geology and Dynamics of LithosphereUniversity of Gttingen G ttingen Germany

In the Ordos basin, two distinct thermal events of different ages have been identified for the first time by means of K-Ar dating combined with illite crystallinity analysis. For the Late Triassic and Late Permian samples, the K-Ar ages of the j.rassic; the K-Ar ages of the <2 μm fractions (210-308 Ma) are interpreted as mixed ages of detrital material and authigenic illites. The K-Ar ages of both < 0.2μm and < 2μm fractions of a Middle Cambrian sample (368 Ma and 419 Ma) correspond to the ages of the metamorphism and earliest granite intrusion in the northern Caledonian Qinling fold zone (380-420 Ma) and show a thermal event during Silurian-Devonian time.

关键词： illite K-Ar dating illite crystallinity thermal event Ordos basin

带燃料电池增程器的插电式混合动力电动车(英文)

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同济大学学报（自然科学版） 2022年第S1期50卷 170-175页

作者： Tobias STOLL hans-j.rgen BERNER Michael BARGENDE AndréCasal KULZER Holger ENTENMANN Marc REICHENBACHER 斯图加特汽车工程与车辆发动机研究所(FKFS) 德国斯图加特70569 斯图加特大学汽车工程学院(IFS) 德国斯图加特70569

由于日益严格的立法和公司面临的巨大社会压力,城市配送运输车队的电气化变得越来越重要。本文介绍了一款最大总重为7.5 t的3.5 t改装轻型车。该车有一个串行混合电动动力系统,最大电力牵引功率为150 kW,还有一个60 kW的燃料电池增程器... 详细信息

由于日益严格的立法和公司面临的巨大社会压力,城市配送运输车队的电气化变得越来越重要。本文介绍了一款最大总重为7.5 t的3.5 t改装轻型车。该车有一个串行混合电动动力系统,最大电力牵引功率为150 kW,还有一个60 kW的燃料电池增程器。该车使用一个46 kW·h的电池,平均电压水平为400 V,从而使全电动范围达到120 km。电力驱动由一个感应电机和一个锂锰铁磷酸盐(LMFP)电池以及一个2速变速箱实现。燃料电池系统有一个容量为95 L的燃料箱,压力水平为70 bar,这使得车辆的总里程达400 km。一个质子交换膜(PEM)用于直接使用氢气,其额定功率为1.0 W/cm^(2)。质子交换膜被集成在一个60 kW的燃料电池系统中,用于车辆的车载能源生产。对于空气通道,燃料电池系统有一个电动辅助涡轮增压器,以利用废气的热能。吸入空气的加湿是通过一个水喷射器实现的,该喷射器使用来自排气除湿的水。氢气路径是通过一个喷射器电路和一个用于处理氮气的清洗阀实现的。在下文中,将介绍燃料电池系统的设计和控制。最后,介绍了燃料电池系统运行过程中最重要的影响。

关键词：插电式混合动力燃料电池城市配送运输

DSC analyses of static and dynamic precipitation of an Al–Mg–Si–Cu aluminum alloy

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Progress in Natural Science:Materials International 2015年第2期25卷 153-158页

作者： Manping Liu Zhenj.e Wu Rui Yang j.angtao Wei Yingda Yu P?l C. Skaret hans j. Roven School of Materials Science and Engineering Jiangsu Province Key Laboratory of Materials Tribology Jiangsu University Department of Materials Science and Engineering Norwegian University of Science and Technology (NTNU)

In the present investigation, both static and dynamic precipitations of an Al–Mg–Si–Cu aluminum alloy after solid-solution treatment(SST)were comparatively analyzed using differential scanning calorimetry(DSC). Dynamic aging was performed in the SST alloy through equal channel angular pressing(ECAP) at different temperatures of room temperature, 110, 170, 191 and 300 1C. For comparison, static artificial aging was conducted in the SST alloy at 191 1C with two aging times of 4 and 10 h. The DSC analyses reveal that the dynamic precipitation has occurred in the ECAPed samples, while the activation energies associated with the strengthening precipitates in the dynamic samples are considerably higher than the energies in the SST and static aged samples. The higher activation energies are probably attributed to the smaller grains and higher dislocation density developed after ECAP. The results in the present investigation allow the prediction of the type of the dynamic precipitates to influence the strength of the ultrafine grained alloy during ECAP at various temperatures.

关键词： Differential scanning calorimetry Al–Mg–Si–Cu aluminum alloy Dynamic aging Precipitation behaviors Equal channel angular pressing Severe plastic deformation

Comparison of Leptosphaeria biglobosa-induced and chemically induced systemic resistance to *** in Brassica napus

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Chinese Science Bulletin 2007年第8期52卷 1053-1062页

作者： LIU ShengYi LIU RenHu Akinwunmi O. LATUNDE-DADA hans j. COOLS Simon j. FOSTER HUANG Yongj. Bruce D. L. FITT Rothamsted Research Harpenden Hertfordshire AL5 2JQ UK Key Lab of Genetic Improvement of Oil Crops Chinese Ministry0f Agriculture CAAS Oil Crops Research Institute Wuhan 430062 China Zhej.ang Academy of Agricultural Sciences Hangzhou 310021 China

Brassica napus(***)seedlings pre-treated with ascospores of Leptosphaeria biglobosa or foliar sprays of either acibenzolar-S-methyl(ASM)or menadione sodium bisulphite(MSB)were chal- lenge inoculated with *** ascospores and assessed for phoma leaf spot development and tissue morphology and gene expression responses to *** of increase in phoma leaf spot area 8―21 d after challenge inoculation were significantly greater on water pre-treated plants than on plants pre-treated with ***,ASM or MSB on both pre-treated leaves(local effect)and younger leaves without pre-treatment(systemic effect).Ninety-six h after challenge inoculation,the invasive hyphae of *** were encircled by rings of necrotic mesophyll cells on leaves pre-treated with L. biglobosa,ASM or MSB but not those pre-treated with *** of transcript levels of genes commonly used as markers of the maj.r defence signalling pathways(PDF1.2,PR-1,NPR1,APX, CHB4)0–96 h after *** challenge inoculation showed expression patterns indicating prefer- ential activation of the j.smonate/ethylene pathway and involved induction of NPR1 locally and sys- temically in leaves of plants pre-treated with *** ascospores.

关键词：油菜黑胫病抗性黑胫病弱毒种诱导途径比较化学诱导

AtGGM2014, an Arabidopsis gene co-expression network for functional studies

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Science China(Life Sciences) 2015年第3期58卷 276-286页

作者： MA ShiSong BOHNERT hans j.DINESH-KUMAR Savithramma P Department of Plant Biology and the Genome Center College of Biological Sciences University of California Departments of Plant Biology and of Crop Sciences University of Illinois at Urbana-Champaign

Gene co-expression networks provide an important tool for systems biology studies. Using microarray data from the Array Express database, we constructed an Arabidopsis gene co-expression network, termed At GGM2014, based on the graphical Gaussian model, which contains 102,644 co-expression gene pairs among 18,068 genes. The network was grouped into 622 gene co-expression modules. These modules function in diverse house-keeping, cell cycle, development, hormone response, metabolism, and stress response pathways. We developed a tool to facilitate easy visualization of the expression patterns of these modules either in a tissue context or their regulation under different treatment conditions. The results indicate that at least six modules with tissue-specific expression pattern failed to record modular regulation under various stress conditions. This discrepancy could be best explained by the fact that experiments to study plant stress responses focused mainly on leaves and less on roots, and thus failed to recover specific regulation pattern in other tissues. Overall, the modular structures revealed by our network provide extensive information to generate testable hypotheses about diverse plant signaling pathways. At GGM2014 offers a constructive tool for plant systems biology studies.

关键词：拟南芥属共表达基因网络模块化结构组织特异性 Express 系统生物学