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New IC package,assembly technique by means of a “blind” alignment “flip-chip” method and assembling facilities

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电子与封装 2004年第4期4卷 1-4页

作者： vladimir v.Novikov JSC"Avangard-Elionica"General

俄罗斯专家vladimir ***提出了一种封装新技术,欲寻求技术和投资合作。有意者请与vladimir ***本人或本刊编辑部联系。

关键词：集成电路封装盲对准弹抛片

Influence Researches of Fused Calcium Hexaluminate Amount on Metal Corrosion Resistance of Alumina Refractories

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China's Refractories 2016年第1期25卷 1-6页

作者： vladimir v. PRIMACHENKO valeriy v. MARTYNENKO Irina G. SHULIK Lyudmila N. ZOLOTUKHINA Andrey B. KOvALYOv PJSC "The Ukrainian Research Institute of Refractories named after A.S. Berezhnoy" Kharkiv 61024 Ukraine

Calcium hexaluminate is one from such perspective materials. It is characterized by high refractoriness （ above 1 830 ~C ） , as well as properties stability in reducing atmosphere, high alkali- and slag-resistance, low thermal conductivity and wettability by molten metals. In this work influence researches of fused calcium hexaluminate material additive in amount of 5%, 15% amt 25% on the main properties of alumina refractories were carried out. It is established that, the refractories containing the additive of 25% calcium hexaluminate material are characterized by the highest properties, slightly impregnated with metal melt and the highest metal corrosion resistance. The alumina purging plugs fi）r blowing of metal with calcium hexaluminate material additive are produced and intended to one metallurgical plant of Ukraine for carrying out tests.

关键词： calcium hexaluminate alumina refracto-ries metal resistance purging plugs

Resolution and contrast enhancement of laser-scanning multiphoton microscopy using thulium-doped upconversion nanoparticles

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Nano Research 2019年第12期12卷 2933-2940页

作者： Alexey B.Kostyuk Artem D.vorotnov Andrey v.Ivanov Arthur B.volovetskiy Aleksandr v.Kruglov Lyudmila M.Sencha Liuen Liang Evgenii L.Guryev vladimir A.vodeneev Sergey M.Deyev Yiqing Lu Andrei v.Zvyagin Lobachevsky State University of Nizhny Novgorod Nizhny Novgorod 603950Russia Center of Biomedical Engineering Institute of Molecular MedicineSechenov UniversityMoscow 119991Russia ARC Centre of Excellence"Nanoscale BioPhotonics" Department of Physics and AstronomyMacquarie UniversitySydney 2109Australia Institute ofBioorganic Chemistry Russian Academy of SciencesMoscow 117997Russia

High-contrast optical imagi ng is achievable using phosphoresce nt labels to suppress the short-lived background due to the optical backscatterand autofluoresce ***,the long-lived phosphorescence is generally incompatible with high-speed laser-scan ning imaging ***,we show that upc on versi on nan oparticles of structure NaYF4:Yb co-doped with 8%Tm(8T-UCNP)in combi nation with a commerciallaser-scanning multiphoton microscopy are uniquely suited for labeling biological systems to acquire high-resolution images with the enhancedcon *** comparison with many phosphoresce nt labels,the 8T-UCNP emission lifetime of-15μs affords rapid image ***-order optical nonlinearity of the 8T-UCNP(n=4,as confirmed experimentally and theoretically)afforded pushing the resolution limitattain able with UCNPs to the *** contrast enha nceme nt was achieved by suppressing the backgro und using(i)ban dpassspectral filtering of the narrow emission peak of 8T-UCNP at 455-nm,and(ii)time-gating implemented with a time-correlated single-photon counting system that demonstrated the contrast enhancement of>2.5-fold of polyethyle neimine-coated 8T-UCNPs take n up by huma nbreast adeno carcinoma cells *** a result,discrete 8T-UCNP nan oparticles became clearly observable in the freshly excised splee ntissue of laboratory mice 15-min post in trave nous injectio n of an 8T-UCNP *** dem on strated approach paves the way forhigh-contrast,high-resoluti on,and high-speed multiphot on microscopy in challe nging envir onments of i ntense autofluorescence,exogenous staining,and turbidity,as typically occur in intravital imaging.

关键词： upconversion nanoparticles autofluorescence time-gated imaging scanning microscopy time-correlated single photon counting

The state of gold in phases of the Cu-Fe-S system:In situ X-ray absorption spectroscopy study

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Geoscience Frontiers 2023年第3期14卷 103-116页

作者： Boris R.Tagirov Olga N.Filimonova Alexander L.Trigub Ilya v.vikentyev Elena v.Kovalchuk Maximilian S.Nickolsky Andrey A.Shiryaev vladimir L.Reukov Dmitry A.Chareev Institute of Geology of Ore Deposits(IGEM RAS) 35Staromonetnyi per119017 MoscowRussia National Research Centre‘Kurchatov Institute’ 1Akademika Kurchatova pl123182 MoscowRussia Institute of Physical Chemistry and Electrochemistry(IPCE RAS) 31Leninsky Prospect119071 MoscowRussia Institute of Experimental Mineralogy(IEM RAS) 142432 ChernogolovkaMoscow RegionRussia

Chalcopyrite and bornite are the main Au-bearing minerals at Cu porphyry deposits,volcanogenic massive sulfide(vMS)deposits,Cu-Ni deposits of the mafic magmatic complexes,and ores of submarine sulfide *** and intermediate solid solutions with wide compositional variations(bnss and iss–high-temperature chalcopyrite,correspondingly),which can scavenge economic concentrations of Au,appear in the Cu-Fe-S system at ore-forming ***,the state of Au in bnss and iss is yet *** solve this conundrum,we synthesized samples with net chemical composition of bnss and iss,studied them by in situ X–ray absorption spectroscopy(XAS),and used the experimental data to explain the Au distribution among natural ore-forming *** sulfide samples were obtained at 495–700℃ in Au-saturated system by means of salt flux *** bnss contained1.2–1.6 log units more Au than iss:up to 18 wt.%Au in bnss vs 0.4 wt.%Au in iss at 700*** increase of temperature resulted in the sharp increase of Au concentration in both phases,1 log unit per 100℃ at f(S2)close to S_((l)) *** of Au L_(3)-edge spectra recorded at 25–675℃ revealed that at 25℃ Au exists mainly in the metallic *** t>500℃ the spectral features of Audisappear,and “chemically bound”Au *** Au form of occurrence in the iss field is interpreted as Au-bearing clusters with a stromeyerite-like(CuAgS)*** Cu_(2–x)S and bnss contain Au in a mixture of stromeyeritelike and petrovskaite-like(Au_(0.8)Ag_(1.2)S)*** chemical composition of both forms is close to CuAuS,where the nearest Au neighbors are two S atoms at R_(Au-S)=2.34–2.36Å.Results of the present study allow to determine the state of Au and its concentration in the main Cu-bearing minerals of sulfide ores as a function of the T-f(S_(2))-compositional *** to the sharp increase of the CuAuS clusters stability with increasing temperature,in high-temperature ores formed at t>350℃ A

关键词： “Invisible”gold Bornite solid solution Intermediate solid solution Digenite Chalcopyrite X-ray absorption spectroscopy

Image potential states mediated STM imaging of cobalt phthalocyanine on NaCl/Cu(100)

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Chinese Physics B 2016年第3期25卷 314-318页

作者：郭秦敏秦志辉黄敏 vladimir N.Mantsevich 曹更玉 State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Wuhan Institute of Physics and MathematicsChinese Academy of Sciences Faculty of Physics Moscow State University

The adsorption and electronic properties of isolated cobalt phthalocyanine （CoPc） molecule on an ultrathin layer of NaC1 have been investigated. High-resolution STM images give a detailed picture of the lowest unoccupied molecular orbital （LUMO） of an isolated CoPc. It is shown that the NaC1 ultrathin layer efficiently decouples the interaction of the molecules from the underneath metal substrate, which makes it an ideal substrate for studying the properties of single molecules. Moreover, strong dependence of the appearance of the molecules on the sample bias in the region of relatively high bias （〉 3.1 v） is ascribed to the image potential states （IPSs） of NaCI/Cu（100）, which may provide us with a possible method to fabricate quantum storage devices.

关键词： image potential states NaC1 ultrathin layer CoPc scanning tunneling microscopy

Long-term forecasting of annual peak load considering effects of demand-side programs

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Journal of Modern Power Systems and Clean Energy 2018年第1期6卷 145-157页

作者： Nikola Lj.RAJAKOvIC vladimir M.SHILJKUT Faculty of Electrical Engineering University of Belgrade Public Enterprise Electric Power Industry of Serbia

The main purpose of this research paper is to investigate the long-term effects of the proposed demandside program,and its impact on annual peak load forecasting important for strategic network *** program comprises a particular set of demand-side measures aimed at reducing the annual peak *** paper also presents the program simulations for the case study of the Electricity Distribution Company of Belgrade(EDB).According to the methodology used,the first step is to determine the available controllable load of the distribution utility/area under *** controllable load is presumed constant over the analyzed time horizon,and the smart grid(SG)infrastructure *** saturation of positive effects during intense program application is also taken into *** and economic input data are taken from the real *** conducted calculations indicate that demand-side programs can bring about the same results as the energy storage in the grids with a strong impact of distributed generation from variable renewable sources(v-RES).In conclusion,the proposed demand-side program is a good alternative to building new power facilities,which can postpone investment costs for a considerable period of time.

关键词： Demand response Demand-side management Forecast Peak load Renewable energy source

Hepatobiliary system and intestinal injury in new coronavirus infection(COvID-19):A retrospective study

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World Journal of Clinical Cases 2023年第10期11卷 2226-2236页

作者： Konstantin v Kozlov Konstantin v Zhdanov Anna K Ratnikova vyacheslav A Ratnikov Artem v Tishkov vladimir Grinevich Yuriy A Kravchuk Panteley I Miklush Polina O Nikiforova vera v Gordienko Alexander F Popov Boris G Andryukov Department of Infectious Disease Military Medical Academy Named After SM.KirovSaint-Petersburg 194044Russia Department of Admission Federal State Budgetary Institution"North-West District Scientific and Clinical Center Named After LG.Sokolov Federal Medical and Biological Agency"Saint-Petersburg 194291Russia Department of Roentgenology Federal State Budgetary Institution"North-West District Scientific and Clinical Center Named After LG.Sokolov Federal Medical and Biological Agency"Saint-Petersburg 194291Russia Department of Physics Mathematics and InformaticsFSBEI HE IP.Pavlov SPbSMU MOH RussiaSaint-Petersburg 197022Russia 2nd Department of Therapy(Advanced Medical Education) Military Medical Academy Named After SM.KirovSaint-Petersburg 194044Russia School of Medicine Far Eastern Federal UniversityVladivostok 690922Russia

BACKGROUND An important area of effective control of the coronavirus disease 19(COvID-19)pandemic is the study of the pathogenic features of severe acute respiratory syndrome coronavirus 2 infection,including those based on assessing the state of the intestinal microbiota and *** To study the clinical features of the new COvID-19 in patients with mild and moderate severity at the stage of hospitalization,to determine the role of hepatobiliary injury,intestinal permeability disorders,and changes in the qualitative and quantitative composition of the microbiota in the development of systemic inflammation in patients with *** The study was performed in 80 patients with COvID-19,with an average age of 45 years,19 of whom had mild disease,and 61 had moderate disease *** scope of the examination included traditional clinical,laboratory,biochemical,instrumental,and radiation studies,as well as original methods for studying microbiota and intestinal *** The clinical course of COvID-19 was studied,and the clinical and biochemical features,manifestations of systemic inflammation,and intestinal microbiome changes in patients with mild and moderate severity were *** permeability characteristics against the background of COvID-19 were evaluated by measuring levels of proinflammatory cytokines,insulin,faecal calprotectin,and *** This study highlights the role of intestinal permeability and microbiota as the main drivers of gastroenterological manifestations and increased COvID-19 severity.

关键词： Novel coronavirus infection COvID-19 SARS-Cov-2 Zonulin Faecal calprotectin Microbiota

Orbital Mechanics, Third Edition 3rd ed.

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Detection of per-and polyfluoroalkyl water contaminants with a multiplexed 4D microcavities sensor

丛书名： AIAA Education Series

2002年

作者： vladimir A. Chobotov

ISBN: (数字)9781600862250

ISBN: (纸本)9781563475375

A graduate level textbook and a ready reference for the professional, this classic text covers every basic aspect of orbital mechanics, from celestial relationships to the problems of space *** content is available for download by clicking the “Supplemental Materials” link on the right side of this web page. Materials include: HW Solutions, which presents a range of viewpoints and guidelines for solving selected problems in the text; Orbital Calculator, which provides an interactive environment for the generation of Keplerian orbits, orbital transfer maneuvers, and animation of ellipses, hyperbolas, and interplanetary orbits; and Orbital Mechanics Solutions.

关键词： Navigation (Astronautics)

来源：畅想之星图书光盘版（南... 评论

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Photonics Research 2023年第11期11卷 I0025-I0033页

作者： ANTON v.SAETCHNIKOv ELINA A.TCHERNIAvSKAIA vladimir A.SAETCHNIKOv ANDREAS OSTENDORF Chair of Applied Laser Technologies Ruhr University Bochum44801 BochumGermany Physics Department Belarusian State University220030 MinskBelarus Radio Physics Department Belarusian State University220064 MinskBelarus

The per-and polyfluoroalkyl substances(PFAS)are a group of organofluorine chemicals treated as the emerging pollutants that are currently of particularly acute *** compounds have been employed intensively as surfactants over multiple decades and are already to be found in surface and ground waters at amounts sufficient to have an effect on human health and *** of the carbon–fluorine bonds,the PFAS have an extreme environmental persistence and their negative impact accumulates with further production and penetration into the *** Germany alone,more than thousands of sites have been identified as contaminated with PFAS;thus,timely detection of PFAS residue is becoming a high *** this paper,we report on the high performance optical detection method based on whispering gallery mode(WGM)microcavities applied for the first time to detect PFAS contaminants in aqueous solutions.A self-sensing boosted 4D microcavity fabricated with two-photon polymerization is employed as an individual sensing *** an example of the multiplexed imaging sensor with multiple hundreds of simultaneously interrogated microcavities we demonstrate the possibility to detect the PFAS chemicals representatives at a level down to 1 ppb(parts per billion).

关键词： fluorine hundreds becoming