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Siberian silkmoth outbreaks surpassed geoclimatic barrier in Siberian Mountains

Journal of Mountain Science 2020年第8期17卷 1891-1900页

作者： KHARUK viacheslav I. IM Sergei T. SOLDATOv vladimir v. Sukachev Institute of Forest Federal Scientific CenterRussian Academy of ScienceSiberian BranchAcademgorodok 50/28Krasnoyarsk660036 Russia Siberian Federal University Svobodny str.79Krasnoyarsk660041 Russia Reshetnev Siberian State University of Science and Technology Krasnoyarsky rabochy str.31Krasnoyarsk660014 Russia Russian Center of Forest Protection Academgorodok 50A/2Krasnoyarsk660036 Russia

Siberian silkmoth(SSM,Dendrolimus sibiricus Tschetv.)is the most important defoliator of Siberian pine(Pinus sibirica Du Tour)and fir(Abies sibirica Ledeb.)***-induced SSM outbreaks are one of the major driving factors of successions within the taiga *** is suggested that climate change impacted the SSM range and life *** analyzed the migration of alpine and northerly SSM outbreak boundaries in Siberia and the impact of the climate variables and topography on the outbreak *** used time-series scenes(multispectral data,and vegetation indexes EvI and NDII)in combination with field studies,climate variables,and GIS *** found that SSM outbreaks in the area of alpine boundary shifted about 370 m uphill since the mid of *** outbreak onset was promoted by increased dryness and active temperatures and decreased root zone moisture content in the spring-early summer *** terrain topography strongly affected SSM outbreak onset and ***,the outbreak was located at the middle elevations on the gentle concave southeastern slopes,which are the favorable insect habitats between *** the outbreak expanded uphill and downhill,to steeper slopes,and both concave and convex *** with elevation range expansion,SSM surpassed its northern historical outbreak boundary:the potential outbreaks’boundary moved about 300 km *** warming contributes to SSM migration into former outbreak free conifer stands located in highlands and at northern latitudes.

关键词： Insect outbreaks Remote sensing monitoring Insect ranges expansion Siberian silkmoth Forest health Conifer mortality

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A novel freemium code SAND(v1.0)for generation of randomly packed beds

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Particuology 2024年第12期95卷 198-211页

作者： Nikita Shadymov viacheslav Papkov Dmitry Pashchenko Samara State Technical University Molodogvardeiskaya 244 StSamara443100Russia Department of Mechanical Engineering(Robotics) Guangdong Technion-Israel Institute of Technology241 Daxue RoadShantouGuangdong515063China Faculty of Mechanical Engineering Technion-Israel Institute of TechnologyTechnion CityHaifa3200003Israel Guangdong Provincial Key Laboratory of Materials and Technologies for Energy Conversion Guangdong Technion—Israel Institute of TechnologyGuangdong515063China

The main current approaches for generation of the packed bed models are based on rigid body dynamics(RBD)and Newton's laws(discrete element methods-DEM).This paper deals with the development and analysis of a novel code based on analytical geometry approach for the packed bed *** architecture and main algorithms of the novel code are described and *** parameters of the packed bed generated via the novel code are compared with experimental data and packed beds generated via Blender(RBD),Yade(DEM).The novel code demonstrates many advantages,such as good correlation with experimental data,no overlaps between pellets in the packed bed,and a low computational time for packed bed *** packed bed model can be directly exported *** *** advantages are also demonstrated and *** novel code is attached to this paper and can be freely used by engineers and scientists.

关键词： Packed bed Discrete element method Python-based code CAD software

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Emergence of instability-driven domains in soft stratified materials

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npj Computational Materials 2022年第1期8卷 931-936页

作者： Jian Li viacheslav Slesarenko Stephan Rudykh Key Laboratory of Traffic Safety on Track of Ministry of Education School of Traffic&Transportation EngineeringCentral South UniversityChangshaHunan410075China Joint International Research Laboratory of Key Technology for Rail Traffic Safety Central South UniversityChangsha410075China National&Local Joint Engineering Research Center of Safety Technology for Rail Traffic vehicle Central South UniversityChangsha410075China Cluster of Excellence livMatS@FIT–Freiburg Center for Interactive Materials and Bioinspired Technologies University of FreiburgGeorges-Köhler-Allee 105D-79110FreiburgGermany Department of Mechanical Engineering University of Wisconsin—MadisonMadisonWI53706USA School of Mathematical&Statistical Sciences National University of Ireland GalwayUniversity RoadGalwayIreland

Nature frequently employs the buckling phenomenon to facilitate the formation of complicated patterns across *** knowledge,however,is limited to a small set of buckling-induced microstructure transformations in soft composites;and the pattern formation phenomenon remains largely unknown for a vast pool of material ***,we investigate the unexplored rich domain of soft heterogeneous *** experimentally observe the formation of instability-driven domains in stratified composites with a non-dilute stiff *** illustrate that the discovered domain patterns are energetically favorable over ***,we introduce a closed-form analytical expression allowing us to predict the evolution of the patterns in the post-buckling ***,we show that various patterns can be pre-designed via altering material *** findings can help advance our understanding of the mechanisms governing pattern formations in soft biological tissues,and potentially enable the platform for mechanical metamaterials.

关键词： composites buckling stratified

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Technosols on mining wastes in the subarctic: Efficiency of remediation under Cu-Ni atmospheric pollution

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International Soil and Water Conservation Research 2019年第3期7卷 297-307页

作者： Marina v.Slukovskaya viacheslav I.vasenev Kristina v.Ivashchenko Dmitry v.Morev Svetlana v.Drogobuzhskaya Liubov A.Ivanova Irina P.Kremenetskaya I.v.Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials Kola Science CentreRussian Academy of Sciences184209Academgorodok 26aApatityMurmansk RegionRussia Department of Landscape Design and Sustainable Ecosystems RUDN University117198Miklykho-Maklaya str.8MoscowRussia Institute of Physicochemical and Biological Problems in Soil Science Russian Academy of Sciences142290Institutskaya str.2PushchinoMoscow RegionRussia Department of Ecology Russian State Agrarian University-Moscow Timiryazev Agricultural Academy127550Timiryazevskaya str.49MoscowRussia N.A.Avrorin Polar-Alpine Botanical Garden-Institute Kola Science CentreRussian Academy of Sciences184209Academgorodok 18aApatityMurmansk RegionRussia

Tne copper-nickel factory's emissions in the Murmansk region,Russia,led to the degradanon of plant cover and topsoil with the subsequent formation of industrial *** this study,the industrial barrens were remediated by means of Technosol engineering,when grasses were sown on the two different types of mining wastes (carbonatite and serpentinite-magnesite) covered by hydroponic *** serpentinite-magnesite waste was significantly different from the carbonatite waste in the content of silicon (Si) and manganese (Mn),pH,and *** wastes had an alkaline pH level and high content of calcium (Ca) and magnesium (Mg).The vegetation and Technosol properties at the remediated sites were analyzed in 2017 and compared to the initial state (2010 year) to assess the efficiency of the long-term *** quality and sustainability of Technosols based on the serpentinite-magnesite wastes were substantially higher compared to the carbonatite-based *** and a projective cover of the grass community depended on Si content in the original mining waste and were found to be higher in the serpentinite-magnesite *** content of organic carbon and its fractions,microbial biomass and basal respiration after seven years of Technosol evolution was comparable to natural *** parameters were directly related to plant cover state and were inversely proportional to copper (Cu) content in *** Technosol development led to the reduction of nickel (Ni) and Cu migration in soil-plant ecosystems due to neutralization and adsorption properties of mining wastes and phytostabilization by underground parts of grass *** Technosol development in its early stage of pedogenesis indicates the efficiency of applied remediation technology to the degraded acidic soil under the conditions of industrial atmospheric pollution.

关键词： Industrial barrens Metals Phytostabilization Soil organic carbon Basal respiration Pedogenesis

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Potential role of peripheral blood mononuclear cell' s mitochondrial respiratory dysfunction in heart failure severity prediction in patients with cardioverter-defibrillator implantation indications

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Journal of Geriatric Cardiology 2024年第10期21卷 981-991页

作者： Tariel A Atabekov Sergey N Krivolapov Mikhail S Khlynin viacheslav A Korepanov Tatiana Yu Rebrova Elvira F Muslimova Sergey A Afanasiev Roman E Batalov Sergey v Popov Cardiology Research Institute Tomsk National Research Medical CenterRussian Academy of SciencesTomskRussia

Background It has been reported that the mitochondrial respiratory dysfunction (MRD) is important mechanisms affecting the heart failure (HF) *** sought to evaluate the potential role of MRD of peripheral blood mononuclear cells (PBMC) in HF severity prediction in patients with cardioverter-defibrillator implantation *** In this single-center study patients with HF of New York Heart Association (NYHA) Ⅰ-Ⅲ functional class (FC) and cardioverter-defibrillator implantation indications underwent transthoracic echocardiography (TTE) and MRD assessment using *** respiration rate (MRR) indicators (pyruvate+malate+adenosine diphosphate;succinate+adenosine diphosphate;pyruvate+malate–adenosine diphosphate[v4.1];succinate–adenosine diphosphate) were *** between HF NYHA FC,TTE and MRR indicators were *** on our data,we developed a risk model regarding HF *** Of 53 (100.0%) HF patients,33 (62.3%) had mild exercise intolerance (1stgroup) and 20 (37.7%) had moderate-to-severe exercise intolerance (2ndgroup).Patients with mild exercise intolerance were likely to have a higher v4.1(Pvalues.v4.1was independently associated with moderate-to-severe exercise intolerance in univariate and multivariate logistic regression (OR=0.932,95%CI:0.891–0.975,Pverity of HF is associated with PBMC mitochondrial respiratory dysfunction in patients with cardioverter-defibrillator implantation *** HF severity risk model including v4.1parameters is able to distinguish patients with mild and moderate-to-severe exercise *** investigations of their predictive significance are warranted.

关键词： severity patients indications

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Speckle backpropagation for compensation of nonlinear effects in few-mode optical fibers

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Chinese Optics Letters 2023年第3期21卷 24-28页

作者： Pavel S.Anisimov Evgeny D.Tsyplakov viacheslav v.Zemlyakov 高杰星 Central Research Institute 2012 LabsHuawei TechnologiesShenzhen 518129China

We propose an alternative approach to compensation of intermodal interactions in few-mode optical fibers by means of digital *** of solving the inverse generalized multimode nonlinear Schr?dinger equation,we accomplish backpropagation of the multimode signals with help of their near-field intensity distributions captured by a *** demonstrate that this task can successfully be handled by a deep neural network and provide a proof of concept by training an autoencoder for backpropagation of six linearly polarized[LP]modes of a step-index fiber.

关键词： optical fibers multimode fibers few-mode fibers digital signal processing space division multiplexing mode division multiplexing mode decomposition

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Comparison of sampling designs for calibrating digital soil maps at multiple depths

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Pedosphere 2022年第4期32卷 588-601页

作者： Yakun ZHANG Daniel D.SAURETTE Tahmid Huq EASHER Wenjun JI viacheslav I.ADAMCHUK Asim BISWAS University of Wisconsin-Madison Department of Soil ScienceFD Hole Soils Lab1525 Observatory DriveMadison WI 53706USA School of Environmental Sciences University of Guelph50 Stone Road EastGuelph ON N1G 2W1Canada College of Land Science and Technology China Agricultural UniversityBeijing 100083China Department of Bioresource Engineering McGill University21111 Lakeshore RoadSte-Anne-de-Bellevue QC H9X 3V9Canada

Digital soil mapping (DSM) aims to produce detailed maps of soil properties or soil classes to improve agricultural management and soil quality assessment. Optimized sampling design can reduce the substantial costs and efforts associated with sampling, profile description, and laboratory analysis. The purpose of this study was to compare common sampling designs for DSM, including grid sampling (GS), grid random sampling (GRS), stratified random sampling (StRS), and conditioned Latin hypercube sampling (cLHS). In an agricultural field (11 ha) in Quebec, Canada, a total of unique 118 locations were selected using each of the four sampling designs (45 locations each), and additional 30 sample locations were selected as an independent testing dataset (evaluation dataset). Soil visible near-infrared (vis-NIR) spectra were collected in situ at the 148 locations (1 m depth), and soil cores were collected from a subset of 32 locations and subdivided at 10-cm depth intervals, totaling 251 samples. The Cubist model was used to elucidate the relationship between vis-NIR spectra and soil properties (soil organic matter (SOM) and clay), which was then used to predict the soil properties at all 148 sample locations. Digital maps of soil properties at multiple depths for the entire field (148 sample locations) were prepared using a quantile random forest model to obtain complete model maps (CM-maps). Soil properties were also mapped using the samples from each of the 45 locations for each sampling design to obtain sampling design maps (SD-maps). The SD-maps were evaluated using the independent testing dataset (30 sample locations), and the spatial distribution and model uncertainty of each SD-map were compared with those of the corresponding CM-map. The spatial and feature space coverage were compared across the four sampling designs. The results showed that GS resulted in the most even spatial coverage, cLHS resulted in the best coverage of the feature space, and GS and cLHS resu

关键词： 3D digital soil mapping conditioned Latin hypercube sampling grid sampling quantile random forest model stratified random sampling

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A novel dual-core fiber-optic gyroscope with independent rotation rate measurements in different cores of a dual-core optical fiber

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Optoelectronics Letters 2024年第11期20卷 671-675页

作者： Emil A.Milikov viacheslav v.Zemlyakov Pavel S.Anisimov GAo Jiexing 2012 Labs Central Research InstituteHuawei Technologies Co.Ltd.Shenzhen 518129China

We introduce an all-fiber stationary phase shifter for a fiber-optic gyroscope(FOG)which simultaneously provides phase shifts of opposite signs in different cores of the dual-core optical *** propose a new dual-core fiber-optic gyroscope(DCFOG)in which different cores of the dual-core optical fiber provide independent rotation rate *** device enables implementation of a differential scheme,which ensures the stability of the measured phase *** a computer simulation result,the accuracy of the rotation rate sensing is increased by up to 10 times at typical noise levels.

关键词： fiber optical rotation

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CCD/EMCCD光电参数测试系统的设计与应用

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中国光学（中英文） 2024年第3期17卷 693-703页

作者：沈吉 viacheslav v.Zabudsky 常维静那启跃简云飞 OLEG v.Rikhalsky OLEKSANDR G.Golenkov vOLODYMYR P.Reva 华东光电集成器件研究所江苏苏州215263 乌克兰科学院v.E.Lashkaryov半导体物理研究所乌克兰基辅01001 乌克兰科学院Bogomoletz生理学研究所乌克兰基辅01001

本文开发了一种用于测量CCD和EMCCD(电子倍增CCD)芯片光电参数的测试系统。该测试系统通过自动模式或手动模式间的切换,测量器件的暗电流、读出放大器的响应度、电荷转移效率、电荷容量和其他参数。该测试系统可以针对不同规格和结构的C... 详细信息

本文开发了一种用于测量CCD和EMCCD(电子倍增CCD)芯片光电参数的测试系统。该测试系统通过自动模式或手动模式间的切换,测量器件的暗电流、读出放大器的响应度、电荷转移效率、电荷容量和其他参数。该测试系统可以针对不同规格和结构的CCD/EMCCD器件,实现CCD晶圆或封装好的成品的参数测试,实现576×288、640×512、768×576、1024×1024、1280×1024 CCD/EMCCD的测试和筛选。

关键词： CCD EMCCD 测试系统光电参数

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Do reactive oxygen species damage or protect the heart in ischemia and reperfusion?Analysis on experimental and clinical data

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The Journal of Biomedical Research 2023年第4期37卷 255-267页

作者： Leonid N.Maslov Natalia v.Naryzhnaya Maria Sirotina Alexandr v.Mukhomedzyanov Boris K.Kurbatov Alla A.Boshchenko Huijie Ma Yi Zhang Feng Fu Jianming Pei viacheslav N.Azev vladimir A.Pereverzev Cardiology Research Institute Tomsk National Research Medical Centerthe Russian Academy of SciencesTomskTomsk Region 634012Russia Department of Physiology Hebei Medical UniversityShijiazhuangHebei 050017China Department of Physiology and Pathophysiology National Key Discipline of Cell BiologySchool of Basic Medicinethe Fourth Military Medical UniversityXi'anShaanxi 710032China The Branch of the Institute of Bioorganic Chemistry Russian Academy of SciencesPushchinoMoscow Oblast 142290Russia Department of Normal Physiology Belarusian State Medical UniversityMinsk 220083Belarus

The role of reactive oxygen species(ROS)in ischemic and reperfusion(I/R)injury of the heart has been discussed for more than 40 *** has been demonstrated that reperfusion triggers a multiple increase in free radical generation in the isolated *** were found to have the ability to mitigate I/R injury of the ***,it is unclear whether their cardioprotective effect truly depends on the decrease of ROS levels in myocardial *** high doses and high concentrations of antioxidants were experimentally used,it is highly likely that the cardioprotective effect of antioxidants depends on their interaction not only with free radicals but also with other *** has been demonstrated that the antioxidant N-2-mercaptopropionyl glycine or NDPH oxidase knockout abolished the cardioprotective effect of ischemic ***,there is evidence that ROS protect the heart against the I/R injury.

关键词： reactive oxygen species free radicals antioxidants heart reperfusion patients

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