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eXawatt Center for Extreme Light Studies

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High Power Laser Science and Engineering 2023年第6期11卷 101-129页

作者： Efim Khazanov Andrey Shaykin Igor Kostyukov Vladislav Ginzburg ivan Mukhin ivan Yakovlev Alexander Soloviev ivan Kuznetsov Sergey Mironov Artem Korzhimanov Denis Bulanov Ilya Shaikin Anton Kochetkov Alexey Kuzmin Mikhail Martyanov Vladimir Lozhkarev Mikhail Starodubtsev Alexander Litvak Alexander Sergeev Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences Nizhny Novgorod 603950Russia

The eXawatt Center for Extreme Light Studies project aimed to create a large scientific infrastructure based on lasers with giant peak *** project relies on the significant progress achieved in the last *** planned infrastructure will incorporate a unique light source with a pulse power of 600 PW using optical parametric chirped pulse amplification in large-aperture KD_(2)PO_(4),deuterated potassium dihydrogen phosphate *** interaction of such laser radiation with matter represents a completely new fundamental *** direct study of the space-time structure of vacuums and other unknown phenomena at the frontier of high-energy physics and the physics of superstrong fields will be *** applications will include the development of compact particle accelerators,the generation of ultrashort pulses of hard X-ray and gamma radiation for material science enabling one to probe material samples with unprecedented spatial and temporal resolution,the development of new radiation and particle sources,*** paper is translation from Russian[Kvantovaya Elektronika 53,95(2023)].

关键词： high-power femtosecond lasers interaction of ultrarelativistic field with matter

Engineering of immunoinstructive extracellular matrices for enhanced osteoinductivity

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Bioactive Materials 2023年第6期24卷 174-184页

作者： Andrés García-García Sébastien Pigeot ivan Martin Department of Biomedicine University Hospital BaselUniversity of Basel4031BaselSwitzerland Department of Biomedical Engineering University of Basel4123AllschwillSwitzerland

The increasing recognition of the contribution of the immune system to activate and prime regeneration implies that tissue engineering strategies and biomaterials design should target regulation of early immunological *** previously proposed the cell-based engineering and devitalization of extracellular matrices(ECMs)as a strategy to generate implant materials delivering custom-defined ***,in the context of bone regeneration,we aimed at enhancing the osteoinductivity of such ECMs by enriching their immunomodulatory factors *** with IL1βa cell line overexpressing BMP-2 enabled engineering of ECMs preserving osteoinductive signals and containing larger amounts of angiogenic(VEGF)and pro-inflammatory molecules(IL6,IL8 and MCP1).Upon implantation,these IL1β-induced materials enhanced processes typical of the inflammatory phase(e.g.,vascular invasion,osteoclast recruitment and differentiation),leading to‘regenerative’events(e.g.,M2 macrophage polarization)and ultimately resulting in faster and more efficient bone *** results bear relevance towards the manufacturing of potent off-the-shelf osteoinductive materials and outline the broader paradigm of engineering immunoinstructive implants to enhance tissue regeneration.

关键词： Immunomodulation Bone tissue engineering Inflammation Hypertrophic cartilage matrices Osteoinduction

Lessons learned from coreflood experiments with surfactant-polymer and alkali-surfactant-polymer for enhanced oil recovery

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Petroleum 2023年第4期9卷 487-498页

作者： ivan Kurnia Muhammad Fatchurrozi Riyaz Ghulam Anwary Guoyin Zhang Reservoir Engineering Research Group Institut Teknologi BandungIndonesia Petroleum Engineering Undergraduate Study Program Institut Teknologi BandungIndonesia Petroleum Recovery Research Center New Mexico TechUnited States

A review of coreflood experiments for chemically enhanced oil recovery(EOR)is presented in this paper,particularly surfactant-polymer(SP)and alkali-surfactant-polymer(ASP)*** objective of this review is to gain a general outlook and insight from coreflood experiments injecting SP or ASP slug as tertiary *** discussion is separated into sections based on relevant core and fluid properties as well as surfactant selection and SP/ASP slug design and their impact on incremental *** studies in this review have been published within the last twenty years but few older coreflood works have been included for *** in each reviewed study have been summarized in tables to help readers gain detailed *** learned from these past experiments should help other chemical EOR practitioners or students of the field in benchmarking or improving the outcomes of their future SP/ASP experiments.

关键词： Enhanced oil recovery Surfactant Polymer Alkali Coreflood

One-Generated Nilpotent Bicommutative Algebras

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Algebra Colloquium 2022年第3期29卷 453-474页

作者： ivan Kaygorodov Pilar Páez-Guillán Vasily Voronin Centro de Matemática e Aplicacōes Universidade da Beira InteriorCovilhãPortugal Institute of Mathematics and Mathematical ModelingAlmatyKazakhstan University of Santiago de Compostela Santiago de CompostelaSpain University of ViennaViennaAustria Novosibirsk State University NovosibirskRussia

We give a classification of 5-and 6-dimensional complex one-generated nilpotent bicommutative algebras.

关键词： bicommutative algebras nilpotent algebras algebraic classification central extension

Electrically reconfigurable microwave metasurfaces [Invited]

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Chinese Optics Letters 2022年第10期20卷 76-90页

作者：邵琳达张金 ivan D.Rukhlenko 朱卫仁 Department of Electronic Engineering Shanghai Jiao Tong UniversityShanghai 200240China Institute of Photonics and Optical Science School of PhysicsThe University of SydneyCamperdownNSW 2006Australia

Metasurfaces are ultrathin metamaterials constructed by planar meta-atoms with tailored electromagnetic *** have attracted tremendous attention owing to their ability to freely control the propagation of electromagnetic *** active elements incorporated into metasurface designs,one can realize tunable and reconfigurable metadevices with functionalities controlled by external stimuli,opening up a new platform to dynamically manipulate electromagnetic *** this article,we review the recent progress on tunable and reconfigurable metasurfaces,focusing on their operation principles and practical *** describe the approaches to the engineering of reconfigurable metasurfaces categorized into different classes based on the available active materials or elements,which can offer uniform manipulations of electromagnetic *** further summarize the recent achievements on programmable metasurfaces with constitutional meta-atoms locally tuned by external stimuli,which can dynamically control the wavefronts of electromagnetic ***,we discuss time-modulated metasurfaces,which are meaningful to exploit the temporal dimension by applying a dynamic switching of the coding *** review is concluded by our outlook on possible future directions and existing challenges in this fast developing field.

关键词： reconfigurable metasurfaces metamaterials microwaves

Caspian Energy Ring: Prospective vision

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Global Energy Interconnection 2022年第5期5卷 461-471页

作者： Sergei Podkovalnikov Lyudmila Chudinova ivan L.Trofimov Leonid Trofimov Melentiev Energy Systems Institute of Siberian Branch of the Russian Academy of Sciences 130Lermontov Str.Irkutsk664033Russia

This paper presents the results of a technical and economic optimization study of the prospects of the Caspian Energy Ring(CER),connecting power systems of Russia,countries of the Caucasus,Central Asia,and South *** CER,belonging partly to the emerging Asian Supergrid and partly to the existing European Supergrid,will become a bridge connecting these supergrids,laying the foundation for forming a global energy interconnection in the long *** expansion of carbon-free renewable and nuclear facilities,low-carbon gas-fired power plants,and traditional thermal and hydro energy sources within the CER were considered in this *** positive economic benefits of the creation of the CER are *** characteristics of the potential CER were also estimated.

关键词： Caspian Energy Ring Interstate electric power grids Transmission lines Installed capacity Power generation Economic viability.

Structural and optical properties of pillared Eu^(3+)-containing layered double hydroxides intercalated by 2-to 12-carbon aliphatic dicarboxylates

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Journal of Rare Earths 2022年第2期40卷 260-267,I0003页

作者： Alexandre Candido Teixeira ivan Guide Nunes Silva Alysson Ferreira Morais Danilo Mustafa Physics Institute.University of Sao Paulo 05508-090Sao PauloSPBrazil

While the versatile composition of layered double hydroxides(LDHs)allows the introduction of almost any polyvalent cation in their structure,the exchangeable negatively charged ions intercalated between the plates increase their vast range of *** we report on the preparation and optical properties of pillared Eu^(3+)-substituted ZnAl LDHs intercalated by aliphatic dicarboxylates:-OOC-(CH_(2))_(n-2)-COO-.The basal distance in these materials is dependent on the size and packing of the intercalated *** varying the number(n)of carbon atoms in the aliphatic chain from 2 to 12,the interlayer gallery of these ZnAlEu LDHs is considerably expanded from 0.9 to 2.1 *** the interlayer gallery,the aliphatic dicarboxylates form a monolayer,with the aliphatic chain inclined by an angleα≈63°with the hydroxide *** carbon atom in the COO-group is 0.43 nm far from the metal plane,showing that these carboxylates are not grafted in the brucite-like *** LDHs are thermally stable up to around 150℃,after which dehydroxylation of the hydroxide layers is *** Judd-Ofelt intensity parameters were obtained and compared to the Eu^(3+)-containing complexes with the same ligand series indicating a more symmetrical and less polarizable chemical environment around the rare earth ion.

关键词： Europium Layered double hydroxides Carboxylate ligands Luminescence Rare earths

Inter-sexual multimodal communication during mating in wild geladas:the leading role of females

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Current Zoology 2022年第5期68卷 570-580页

作者： Anna Zanoli Marco Gamba Alban Lemasson ivan Norscia Elisabetta Palagi 无 Department of Life Sciences and Systems Biology University of TurinVia Accademia Albertina 13Torino 10123Italy University of Rennes University of NormandieCNRSEthoS(Éthologie Animale et Humaine)263 Av.Général LeclercRennes 35700France Institut Universitaire de France 1 Rue DescartesParis 75005France Natural History Museum University of PisaVia Roma 79Calci(Pisa)56011Italy Department of Biology Unit of EthologyUniversity of Pisa Via Alessandro Volta 6Pisa 50126Italy

Female primates can emit vocalizations associated with mating that can function as honest signals of ***,we investigated the role of mating calls and visual signals in female geladas(Theropithecus gelada).Because females have a central role in the gelada society and seem to solicit sexual interactions,we answered whether they emit vocalizations in conjunction with gazing to increase mating success *** and during copulations,females can emit pre-copulation calls and copulation *** the first time,we identified a new female vocalization emitted at the final stage of copulations(end-copulation call),possibly marking the occurrence of *** found that longer pre-copulation call sequences were followed by both prolonged copulations and the presence of end-copulation calls,thus suggesting that females use pre-copulation calls to ensure successful copula ***,we found that different combinations of female vocal types and gazing had different effects on male vocal behavior and motivation to complete the *** analysis of the vocal and visual signals revealed a complex inter-sexual multimodal chattering with the leading role of females in the signal *** chattering,led by females,modulates male sexual arousal,thus increasing the probability of the copula success.

关键词： copulation calls female end-copulation call inter-sexual coordination mating success multimodal communication Theropithecus gelada

Area and shape distortions in open-source discrete global grid systems

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Big Earth Data 2022年第3期6卷 256-275页

作者： Alexander Kmoch ivan Vasilyev Holger Virro Evelyn Uuemaa Department of Geography Institute of Ecology and Earth SciencesUniversity of TartuTartuEstonia

A Discrete Global Grid System(DGGS)is a type of spatial reference system that tessellates the globe into many individual,evenly spaced,and well-aligned cells to encode location and,thus,can serve as a basis for data cube *** facilitates integration and aggregation of multi-resolution data from various sources to rapidly calculate spatial *** calculated normalized area and compactness for cell geometries from 5 open-source DGGS implementations-Uber H3,Google S2,RiskAware OpenEAGGR,rHEALPix by Landcare Research New Zealand,and DGGRID by Southern Oregon University-to evaluate their suitability for a global-level statistical data *** conclude that the rHEALPix and OpenEAGGR and DGGRID ISEA-based DGGS definitions are most suitable for global statistics because they have the strongest guarantee of equal area preservation-where each cell covers almost exactly the same area on the *** H3 has the smallest shape distortions,but Uber H3 and Google S2 have the largest variations in cell ***,they provide more mature software library *** provides excellent functionality to construct grids with desired geometric properties but as the only implementation does not provide functions for traversal and navigation within a grid after its construction.

关键词： Coordinate reference systems spatial indexing big spatial data analytics data cube DGGS