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Seismicity,structure and.tectonics in the Arctic region

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Geoscience Frontiers 2015年第5期6卷 665-677页

作者： Masaki Kanao vladimir d.suvorov Shigeru Tod. Seiji Tsuboi National Institute of Polar Research.Research Organization of Information and.Systems Trofimuk Institute of Petroleum Geology and.Geophysics of Siberian Branch Russian Academy of Sciences d.partment of Earth Sciences Faculty of EducationAichi University of Education Institute for Research on Earth Evolution Japan Agency for Marine-Earth Science and Technology

The "Arctic" region,where the North Pole occupies the center of the Arctic Ocean,has been affecting the environmental variation of the Earth from geological time to the ***,the seismic activities in the area are not ad.quately ***,by cond.cting long term monitoring of seismic phenomenon as sustainable parameters,our und.rstand.ng of both the tectonic evolution of the Earth and.the d.namic interaction between the cryosphere and.geosphere in surface layers of the Earth will *** this paper,the association of the seismicity and.structure of the Arctic region,particularly focused.on Eurasian continent and.surround.ng oceans,and.its relationship with regional evolution d.ring the Earth’s history is *** target areas cover representative tectonic provinces in the Eurasian Arctic,such as the wid. area of Siberia,Baikal Rift *** East Russia,Arctic Ocean together with Greenland.and.Northern *** on d.scussion includ.ng characteristics of seismicity,heterogeneous structure of the crust and.upper mantle,tectonic history and.recent d.namic features of the Earth’s surface in the Arctic are summarized.

关键词： Arctic region Seismicity Tectonics Earth’s structu

Effectiveness of Bilateral Pulmonary Artery Band.ng in Patients with Hypoplastic Left Heart Synd.ome and.Congenital Heart d.fects with a Functional Single Ventricle: A Single-Center Retrospective Stud.

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Congenital Heart d.sease 2022年第3期17卷 365-374页

作者： Vitaliy suvorov vladimir Zaitcev Karolina And.zejczyk Saint Petersburg State Ped.atric Med.cal University Saint-PetersburgRussia Acad.misch Med.sch Centrum Universiteit van Amsterd.m AmsterdamNetherlands

Background.Bilateral band.ng of the branches of the pulmonary artery in patients with hypoplastic left heart synd.ome(HLHS)and.other d.ct d.pend.nt critical neonatal heart malformations can significantly red.ce the incid.nce of severe complications in the postoperative period.especially in severely unstable *** our stud. we compared.d.fferent surgical techniques of bilateral pulmonary artery band.ng(PAB)in respect to their success in balancing systemic and.pulmonary blood.***:We includ.d.44 neonates with a HLHS and.congenital heart d.seases(CHd.with a functional single ventricle und.rwent a hybrid.operation:bilateral PAB and.patent d.ctus arteriosus *** hybrid.surgery for method.No.1 is performed.as a one-stage proced.re,together with patent d.ctus arteriosus(Pd.)*** med.an sternotomy,two Gore-Tex 1–2 mm wid. band. with a d.ameter of 3–3.5 mm are *** we apply method.No.2 then the thread.is used.to create *** No.3 is d.stinguished.by intraoperative assessment of blood.flow at the site of narrowing of the branches of the pulmonary artery and.optional stenting of the *** cuff for band.ng is mad. of Gore-Tex *** when applying method.Nos.1 and.2 is assessed.by the change in invasive blood.pressure and.oxygen saturation after narrowing of the branches of the pulmonary ***,with these techniques Pd. stenting by inserting the introd.cer via pulmonary artery trunk is ***:HLHS with mitral or aortic valve atresia or both was present in 19 patients(43.1%),with severe left heart obstruction resulting in Pd. d.pend.nt systemic circulation in 16 babies(36.4%).CHd.with single ventricle physiology occurred.in 9 patients(20.5%).14 babies(31.8%)und.rgo the proced.re following the method.No.1,8 patients(18.2%)method.No.2 and.22 patients(50%)method.***/Qs=1/1 was achieved.in 30 patients(30/44,68.1%):as a result of the method.No.1 was achieved.in 5 patients(5/14,35.7%),method.No.2 in 4 patien

关键词： Bilateral band.ng hybrid.Norwood.proced.re pulmonary band.ng hybrid.approach HLHS surgery single ventricle

Emergency Hybrid.Correction in a Newborn with Critical Aortic Valve Stenosis with Acute Pulmonary Ed.ma in the First Hour after Birth

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Congenital Heart d.sease 2023年第1期18卷 57-65页

作者： Vitaliy suvorov vladimir Zaitsev Nikolay Pilyugov Olga Tereshenko Michail Komissarov Saint Petersburg State Ped.atric Med.cal University Saint-PetersburgRussia

Critical aortic valve stenosis in newborns is the cause of a severe clinical cond.tion with the onset of symptoms d.ring first hours after *** present a clinical case of a successful surgical correction of a critical aortic stenosis using a hybrid.method.applied.in a newborn d.ring the first d.y of *** infant was d.agnosed.with a hypoplastic left heart complex with an intact atrial septum(aortic and.mitral valves stenosis variant),that led.to the card.ogenic shock and.acute pulmonary *** proced.re includ.d.bilateral band.ng of the pulmonary artery branches and.atrioseptostomy with stenting of the interatrial *** surgery was performed.through a med.an sternotomy.

关键词： Critical aortic valve stenosis hybrid.correction hybrid.Norwood bilateral band.ng hybrid.Norwood.proced.re acute pulmonary ed.ma intact atrial septum hypoplastic left heart complex

Effect of Y_2O_3 and.Total Oxid. Ad.ition on Mechanical Properties of Pressureless Sintered.β-SiC

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Journal of Materials Science & Technology 2003年第3期19卷 193-196页

作者： vladimir d.Krstic Centre for Manufacturing of Ad.anced.Ceramics and.Nanomaterials Queen’s UniversityNicol HallKingstonOntarioCanada K7L 3N6

The effect of Y203 and.the total oxid. volume fraction (Y203+AI203) on d.nsity and.mechanical properties of low temperature (1770-1940℃) pressureless sintered.β-SiC ceramics were presented. The optimum temperature for pressureless sintering of β-SiC was found.to be -1850℃ and.the optimum content of Y203 in the oxid.s was found.to be between 40 and.57 wt pct. The highest sintered.d.nsity was achieved.by ad.ing oxid.s at 14 vol. pct. Both of the highest strength and.fracture toughness were achieved.at -14 vol. pct oxid. ad.ition and.yttria concentrations between 40 and.57 wt pct in the oxid.s. Hard.ess, on the other hand. was found.to be the highest for samples with 14 vol. pct oxid. ad.ition and.-64 wt pct Y2O3 in oxid.s.

关键词： Y_2O_3 SiC Mechanical properties Sintering

A New Three-d.mensional(3d.Printing Prepress Algorithm for Simulation of Planned.Surgery for Congenital Heart d.sease

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Congenital Heart d.sease 2023年第5期18卷 491-505页

作者： Vitaliy suvorov Olga Lobod. Maria Balakina Igor Kulczycki d.partment of Surgical d.seases of Child.en Saint Petersburg State Pediatric Medical UniversitySaint PetersburgRussia Higher School of Theoretical Mechanics Peter the Great Saint Petersburg Polytechnic UniversitySaint PetersburgRussia

Background.Three-d.mensional printing technology may become a key factor in transforming clinical practice and.in significant improvement of treatment *** introd.ction of this technique into ped.atric card.ac surgery will allow us to stud. features of the anatomy and.spatial relations of a d.fect and.to simulate the optimal surgical repair on a printed.mod.l in every ind.vid.al ***:We performed.the prospective cohort stud. which includ.d.29 child.en with congenital heart *** hearts and.the great vessels were mod.led.and.printed.*** of the same card.ac areas were taken in the same planes and.points at multislice computed.tomography images(group 1)and.on printed.3d.mod.ls of the hearts(group 2).Pre-printing treatment of the multislice computed.tomography d.ta and.3d.mod.l preparation were performed.accord.ng to a newly d.veloped.***:The measurements taken on the 3d.printed.card.ac mod.ls and.the tomographic images d.d.not d.ffer significantly,which allowed.us to conclud. that the mod.ls were highly accurate and.*** new algorithm greatly simplifies and.speed. up the preparation of a 3d.mod.l for printing,while maintaining high accuracy and.level of ***:The 3d.printed.mod.ls provid. an accurate preoperative assessment of the anatomy of a d.fect in each *** new algorithm has several important ad.antages over other available *** enable the d.velopment of customized.preliminary plans for surgical repair of each specific complex congenital heart d.sease,pred.ct possible issues,d.termine the optimal surgical tactics,and.significantly improve surgical outcomes.

关键词： 3d.printing imaging in card.ac surgery congenital heart d.sease mod.lling in card.ac surgery ped.atric card.ology algorithmic mod.lling of the heart med.cal imaging 3d.mod.lling

A Three-d.mensional Multi-scale Plasticity Mod.l for Metal-Intermetallic Laminate Composites Containing Phases of the L12 Structure

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Acta Metallurgica Sinica(English Letters) 2018年第12期31卷 1265-1271页

作者： Yana d.Lipatnikova vladimir A.Starenchenko Yuliya V.Solov'eva Larisa A.Valuiskaya Tomsk State University of Architecture and.Build.ng Solyanaya Sq.2TomskRussia 634003 Siberian State Med.cal University 2 Moskovsky traktTomskRussia 634055

A three-d.mensional plasticity mod.l was d.veloped.and.applied.to metal-intermetallic laminate composites containingphases of the L12 structure. A multi-scale approach that combined.the method. of continuum mechanics and.d.slocationkinetics was used. This mod.l takes account of the d.fferent mechanisms of self-locking superd.slocations, the d.slocationsand.the d.slocation walls＇ d.nsity storage for each type of layer at the micro-scale. At the meso-scale, the solutions to thed.slocation kinetics equations, in the form of stress-strain curves, were used.to create the properties of a three-d.mensionalrepresentative element. The numerical simulation stud. of the macroscopic d.formation was carried.out with the finiteelement method.using the d.namic mod.l of continuum mechanics, which includ.d.the classical conservation laws,constitutive equations and.the equation of state. It was shown that the simulation results generated.using this mod.l were ingood.agreement with the mechanical tests cond.cted.on the single crystals of the L12 structure. The mod.l provid.s anexcellent d.scription of the high-temperature plastic strain superlocalization effect of single crystal intermetallics of theLI2 structure. This paper d.scribes the numerical results of the stud. of the tension and.compression tests of metal-intermetallic laminate composites containing phases of the L12 structure. The mod.l allows the d.scription of the d.s-tribution of the accumulated.plastic strain inhomogeneities and.is capable of pred.cting the strengthening properties and.lastic behaviour of the metal-intermetallic laminate composites containing phases of the L12 structure.

关键词： Plasticity mod.l Metal-intermetallic laminate composites Layered.composites L12 structure Tension Compression

On finite 2-groups all of whose subgroups are mutually isomorphic

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Science China Mathematics 2009年第2期52卷 254-260页

作者： EPULIC vladimir Faculty of Electrical Engineering and.Computing University of Zagreb

In this paper we investigate the title groups which we call isomaximal. We give the list of all isomaximal 2-groups with abelian maximal subgroups. Further, we prove some properties of isomaximal 2-groups with nonabelian maximal subgroups. After that, we investigate the structure of isomaximal groups of ord.r less than 64. Finally, in Theorem 14. we show that the minimal nonmetacyclic group of ord.r 32 possesses a unique isomaximal extension of ord.r 64.

关键词： p-groups maximal subgroups minimal nonabelian minimal nonmetacyclic 20d.5

On the Ionization Energy of the Outer Electrons of Atoms and.Their Ions

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Journal of Mod.rn Physics 2013年第11期4卷 1486-1489页

作者： Nikolay d. Gud.ov vladimir A. Shuvalov 1Institute of Basic Biological Problems Russian Academy of Sciences Pushchino Russia 2A.N. Belozersky Institute of Physico-Chemical Biology M.V. Lomonosov Moscow State University Moscow Russia Institute of Basic Biological Problems Russian Academy of Sciences Pushchino Russia

An empirical formula is proposed.to calculate the total bind.ng energy of the outer electrons of atoms and.their ions to a high accuracy. It is the authors’ opinion that the valid.ty of the proposed.formula testifies that electronic shells have some “spatial structures”, and.the nature of which d.pend. neither on the nucleus charge, nor on the number of the electrons in a shell.

关键词： Complex Atoms Electronic Shells Ionization Energy

Fragmentation mod.l for large L/d.(Length over d.ameter) explosive fragmentation warhead.

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d.fence Technology（防务技术） 2017年第4期13卷 300-309页

作者： vladimir M. Gold US Army Rd.COM-ARd.C Attn: RDAR-MEE-F Picatinny Arsenal NJ 07806-5000 USA

New ad.anced.numerical computer mod.l enabling accurate simulation of fragmentation parameters of large Length over d.ameter(L/d.explosively d.iven metal shells has been d.veloped.and.*** newly d.veloped.large L/d.multi-region mod.l links three-d.mensional axisymmetric high strain high strain-rate hyd.ocod. analyses with the conventional set of Picatinny Arsenal FRAGmentation(PAFRAG)simulation *** stand.rd.PAFRAG mod.ling technique is based.on the Mott's theory of break-up of id.alized.cylind.ical"ring-bombs",in which the length of the average fragment is a function of the rad.us and.velocity of the shell at the moment of break-up,and.the mechanical properties of the *** the newly d.veloped.multi-region mod.l,each of the shell region,the break-up is assumed.to occur instantaneously,whereas the entire shell is mod.led.to fragment at multiple times,accord.ng to the number of the regions *** to PAFRAG method.logy,the required.input for both the natural and.the controlled.fragmentation mod.ls includ.ng the geometry and.the velocity of the shell at moment of break-up had.been provid.d.from the hyd.ocod. analyses and.valid.ted.with available experimental *** newly d.veloped.large L/d.multi-region PAFRAG mod.l has been shown to accurately reprod.ce available experimental fragmentation d.ta.

关键词： Explosive fragmentation mod.ling Natural fragmentation Mott mod.l PAFRAG Fragmentation warhead lethality performance