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PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference最新文献

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ECG heartbeat classification using convolutional neural networks and wavelet transform 基于卷积神经网络和小波变换的心电心跳分类
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134258
I. Izmozherov, A. A. Smirnov
{"title":"ECG heartbeat classification using convolutional neural networks and wavelet transform","authors":"I. Izmozherov, A. A. Smirnov","doi":"10.1063/1.5134258","DOIUrl":"https://doi.org/10.1063/1.5134258","url":null,"abstract":"","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"51 42","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120839718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Fast d-f luminescence of Pr3+ ions in some complex phosphates and silicates: Comparative characteristics Pr3+离子在某些复合磷酸盐和硅酸盐中的快速d-f发光:比较特性
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134268
Yu. E. Khatchenko, V. Pustovarov
{"title":"Fast d-f luminescence of Pr3+ ions in some complex phosphates and silicates: Comparative characteristics","authors":"Yu. E. Khatchenko, V. Pustovarov","doi":"10.1063/1.5134268","DOIUrl":"https://doi.org/10.1063/1.5134268","url":null,"abstract":"The luminescent characteristics of the LiSrPO4, Sr9Sc(PO4)7, K3Lu(PO4)2 and K3LuSi2O7 microcrystalline powders doped with Pr3+ ions, a promising optical materials for scintillation applications, were investigated using various experimental techniques. The comparative analysis of the luminescent properties of these materials is presented.The luminescent characteristics of the LiSrPO4, Sr9Sc(PO4)7, K3Lu(PO4)2 and K3LuSi2O7 microcrystalline powders doped with Pr3+ ions, a promising optical materials for scintillation applications, were investigated using various experimental techniques. The comparative analysis of the luminescent properties of these materials is presented.","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125292528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Hyperparameter optimization for autoencoders that perform content-based image retrieval 执行基于内容的图像检索的自编码器的超参数优化
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134411
Y. N. Tya-Shen-Tin, A. Razumov, K. Ushenin
{"title":"Hyperparameter optimization for autoencoders that perform content-based image retrieval","authors":"Y. N. Tya-Shen-Tin, A. Razumov, K. Ushenin","doi":"10.1063/1.5134411","DOIUrl":"https://doi.org/10.1063/1.5134411","url":null,"abstract":"","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125343195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dipole model of magnetization of rebar in concrete 混凝土中钢筋磁化的偶极子模型
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134288
A. Mikhailov, Y. Gobov, Y. G. Smorodinskii, A. P. Novoslugina
{"title":"Dipole model of magnetization of rebar in concrete","authors":"A. Mikhailov, Y. Gobov, Y. G. Smorodinskii, A. P. Novoslugina","doi":"10.1063/1.5134288","DOIUrl":"https://doi.org/10.1063/1.5134288","url":null,"abstract":"A dipole model of local magnetization of rebar is formulated in this paper. The model confirms with high accuracy experimental results of measurement of magnetic flux leakage fields from reinforcement bars of various diameters.A dipole model of local magnetization of rebar is formulated in this paper. The model confirms with high accuracy experimental results of measurement of magnetic flux leakage fields from reinforcement bars of various diameters.","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126751523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Copper isotope ratios in Cis-Urals copper sandstones and products of their processing as a tool for uncovering the Bronze Age smelting activities 顺乌拉尔铜砂岩中的铜同位素比值及其加工产物作为揭示青铜时代冶炼活动的工具
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134372
S. Karpova, D. Kiseleva, M. Chervyakovskaya, M. Streletskaya, E. Shagalov, S. Bogdanov, V. Tkachev, A. Yuminov, M. Ankushev
{"title":"Copper isotope ratios in Cis-Urals copper sandstones and products of their processing as a tool for uncovering the Bronze Age smelting activities","authors":"S. Karpova, D. Kiseleva, M. Chervyakovskaya, M. Streletskaya, E. Shagalov, S. Bogdanov, V. Tkachev, A. Yuminov, M. Ankushev","doi":"10.1063/1.5134372","DOIUrl":"https://doi.org/10.1063/1.5134372","url":null,"abstract":"Copper isotope ratios are determined by MC-ICP-MS in a number of Cis-Urals copper sandstones and products of their processing. Malachite crusts are characterized by positive δ65Cu (+1.33‰÷+1.96‰) whereas the sludge with flux additives and experimental glassy slag have the lowest negative δ65Cu values (-4.87‰÷-4.32‰). δ65Cu = −0.54‰ is found for copper ingot obtained during the experimental smelting. Copper matte and sludge have negative δ65Cu values ranging from -2.33 to -2.61‰.","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132765272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Electronic absorption spectra of rare earth (Sm, Eu, Yb) dichlorides in alkali chloride melts 稀土(Sm, Eu, Yb)二氯化物在氯碱熔体中的电子吸收光谱
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134220
O. A. Tropin, V. Volkovich
{"title":"Electronic absorption spectra of rare earth (Sm, Eu, Yb) dichlorides in alkali chloride melts","authors":"O. A. Tropin, V. Volkovich","doi":"10.1063/1.5134220","DOIUrl":"https://doi.org/10.1063/1.5134220","url":null,"abstract":"A method of synthesis of salt mixtures containing ytterbium, samarium and europium dichlorides was developed. Electronic absorption spectra of Yb(II), Sm(II) and Eu(II) ions were registered in the melts based on LiCl– KCl, LiCl–KCl–CsCl, NaCl–KCl–CsCl eutectics and NaCl–KCl equimolar mixture at the temperatures up to 750 °C. The absorption bands observed in the spectra originate from 4fn→4fn–15d1 electronic transitions in REE(II) complex chloride ions.","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133175409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Luminescent-optical properties of cerium dioxide nanoparticles annealed in a reducing atmosphere 在还原气氛中退火的二氧化铈纳米颗粒的发光光学性质
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134292
A. V. Myshkina, I. N. Bazhukova, V. Pustovarov, S. Sokovnin
{"title":"Luminescent-optical properties of cerium dioxide nanoparticles annealed in a reducing atmosphere","authors":"A. V. Myshkina, I. N. Bazhukova, V. Pustovarov, S. Sokovnin","doi":"10.1063/1.5134292","DOIUrl":"https://doi.org/10.1063/1.5134292","url":null,"abstract":"Cerium dioxide nanoparticles are a promising material in many industries, for example, catalysis, chemical industry, biomedicine. Cerium ions located on the surface of nanoparticles easily enter into redox reactions. To increase the activity of such nanoparticles, it is necessary to increase the nonstoichiometry of nanoparticles by increasing the ratio of Ce3+/Ce4+ ions. The increase in non-stoichiometric nanoparticles of cerium dioxide is an important issue for increasing their catalytic activity. Annealing in a reducing atmosphere has been proposed as a method for increasing the concentration of Ce3+/Ce4+.Cerium dioxide nanoparticles are a promising material in many industries, for example, catalysis, chemical industry, biomedicine. Cerium ions located on the surface of nanoparticles easily enter into redox reactions. To increase the activity of such nanoparticles, it is necessary to increase the nonstoichiometry of nanoparticles by increasing the ratio of Ce3+/Ce4+ ions. The increase in non-stoichiometric nanoparticles of cerium dioxide is an important issue for increasing their catalytic activity. Annealing in a reducing atmosphere has been proposed as a method for increasing the concentration of Ce3+/Ce4+.","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131614756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The study of TIM polymer composite materials thermal conductivity TIM高分子复合材料导热性能的研究
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134342
A. Zemlyanskaya, R. Shishkin, V. Kudyakova, Y. Yuferov, F. Zykov
{"title":"The study of TIM polymer composite materials thermal conductivity","authors":"A. Zemlyanskaya, R. Shishkin, V. Kudyakova, Y. Yuferov, F. Zykov","doi":"10.1063/1.5134342","DOIUrl":"https://doi.org/10.1063/1.5134342","url":null,"abstract":"A recent trend in electronic technology deals with a sharp performance increase within decrease dimensions and mass of devices. High-performance thermal interface materials (TIM) primarily thermal pastes are indispensable to application. A number of filler materials: ceramics (aluminum nitride, silicon carbide, alumina) metals (aluminum, copper) and graphite were considered to apply. The data containing average particles size, specific surface area, and maximal volume and mass fraction for various materials was obtained. The thermal conductivity of samples with aluminum and graphite dramatically exceed values obtained within mathematical models’ calculation. The highest thermal conductivity values were obtained for SiC (1.37 W/(m·K)), AlN (1.09 W/(m·K)), C (2.85 W/(m·K)) and Al (1.20 W/(m·K)), that mad the mentioned above materials the most promising for high-performance thermal pastes.","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121388997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Influence of Seymchan meteorite structure on the synthesis of carbon nanotubes Seymchan陨石结构对碳纳米管合成的影响
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134355
A. Begunova, G. Yakovlev, R. Kamalov, E. Pankrushina, V. Grokhovsky
{"title":"Influence of Seymchan meteorite structure on the synthesis of carbon nanotubes","authors":"A. Begunova, G. Yakovlev, R. Kamalov, E. Pankrushina, V. Grokhovsky","doi":"10.1063/1.5134355","DOIUrl":"https://doi.org/10.1063/1.5134355","url":null,"abstract":"","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"423 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116141526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Segmentation and classification of mast cells in histological images with deep learning 基于深度学习的组织学图像中肥大细胞的分割与分类
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI: 10.1063/1.5134371
A. Karimov, Ruslana Manbatchurina, Ksenia Simonova, A. Mishin, Irina Donets, A. Vlasova, Y. Khramtsova, K. Ushenin
{"title":"Segmentation and classification of mast cells in histological images with deep learning","authors":"A. Karimov, Ruslana Manbatchurina, Ksenia Simonova, A. Mishin, Irina Donets, A. Vlasova, Y. Khramtsova, K. Ushenin","doi":"10.1063/1.5134371","DOIUrl":"https://doi.org/10.1063/1.5134371","url":null,"abstract":"Mast cells are an important part of the human immune system. They are also found in pathological pathways of various diseases. Their activity in tissues may be analyzed with a histopathological examination. In this preliminary study, we apply a deep learning approach for analysis of an original dataset of mast cells stained by toluidine blue. UNet and a convolutional neural network are applied for cell segmentation and classification, respectively. The result allows for the proposal of a methodological consideration for the subsequent full study. Basic deep learning approaches reach 66.64% segmentation accuracy when measured with the Dice coefficient and 81.36% class accuracy when the training dataset is measured with the categorical accuracy metric.","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126854937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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