Problems of Atomic Science and Technology最新文献_第9页

ELABORATION OF THE PLASMA-DIELECTRIC WAKEFIELD ACCELERATOR WITH A PROFILED SEQUENCE OF DRIVER ELECTRON BUNCHES 等离子体-介电韦克菲尔德加速器驱动电子束序列的细化

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-053

I. Onishchenko, K. Galaydych, R. Kniaziev, G.O. Krivonosov, A. Linnik, P. Markov, O. L. Omelayenko, V. I. Pristupa, G. Sotnikov, V. Us, D.Yu. Zaleskiy

引用次数: 0

MODERNIZATION OF THE HELIUM ION ACCELERATOR MICROWAVE POWER SUPPLY SYSTEM 氦离子加速器微波电源系统的现代化

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-088

N. Gaponenko, V. A. Soshenko, B. V. Zajtsev, V.G. Zhuravlyov

引用次数: 0

EFFECT OF ELECTRON COLLISIONS WITH RESIDUAL NEUTRAL GAS ON CHARACTERISTIC OSCILLATION FREQUENCIES IN SYSTEMS OF ELECTRON FLOWS WITH A VIRTUAL CATHODE 电子与残馀中性气体碰撞对虚阴极电子流系统特征振荡频率的影响

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-033

O. Manuilenko, V. Novikov, A. Pashchenko, I. Pashchenko, I. Shapoval, V. Yuferov

引用次数: 0

EFFECT OF PLASMA CHEMICAL OXIDATION OF ETHYLENE IMPURITIES ON THE EFFICIENCY OF KIWIFRUIT STORAGE 等离子体化学氧化乙烯杂质对猕猴桃贮藏效率的影响

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-155

M. Yegorov, G. Taran, O.O. Zamuriev, P. Opalev

{"title":"EFFECT OF PLASMA CHEMICAL OXIDATION OF ETHYLENE IMPURITIES ON THE EFFICIENCY OF KIWIFRUIT STORAGE","authors":"M. Yegorov, G. Taran, O.O. Zamuriev, P. Opalev","doi":"10.46813/2023-146-155","DOIUrl":"https://doi.org/10.46813/2023-146-155","url":null,"abstract":"The effectiveness of plasma chemical technology in reducing the concentration of ethylene impurities in order to extend the shelf life of kiwifruit has been studied. Ethylene and mold were controlled by plasma treatment, which slowed the ripening of kiwifruit and significantly inhibited rotting. When storing kiwifruit using the plasma chemical system, the level of ethylene was twice lower than that measured in the control batch. Also, the level of ethylene practically did not change during the entire period of the experiment, since the ethylene released from the fruit was quickly oxidized by ozone. Air treatment of kiwifruit storage environment resulted in the fact that ripening mechanism was delayed and the loss of fruits during their further transportation and storage was almost completely prevented. Thus, high efficiency of plasma-chemical method for extending kiwifruit shelf life was shown as well as the prospects of its application. Storage period can be doubled while preserving the subtle aroma of fruits. The effectiveness of plasma chemical technology in reducing the concentration of ethylene impurities in order to extend the shelf life of kiwifruit has been studied. High efficiency of plasma-chemical method for extending kiwifruit shelf life was shown as well as the prospects of its application. Storage period can be doubled while preserving the subtle aroma of fruits.","PeriodicalId":54580,"journal":{"name":"Problems of Atomic Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80538489","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: 0

COSMIC RAY SOURCE AND SOLAR ENERGETIC PARTICLES 宇宙射线源和太阳高能粒子

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-109

M. Cassé, V. Maslov

{"title":"COSMIC RAY SOURCE AND SOLAR ENERGETIC PARTICLES","authors":"M. Cassé, V. Maslov","doi":"10.46813/2023-146-109","DOIUrl":"https://doi.org/10.46813/2023-146-109","url":null,"abstract":"The acceleration of particles to the high energy is one of the key issues of solar physics, cis-lunar irradiations, astrophysics, and astroparticle physics. With the development of space astronomy, people started to realize that plasma disturbances in solar flares, Earth’s magnetosphere, and interplanetary space can also produce a large population of non-thermal particles. Cosmic ray promotion i.e. selective energization of matter in the cosmos requires, as on earth, three distinct stages: ionization, injection and acceleration to high energy. Supernova remnants and stellar winds of massive stars grouped in associations appear to be excellent celestial accelerators or re-accelerators through the shock waves they induce in their superbubbles. The injection of ions seems devoted to stars, except the smaller ones. In cosmic several mechanisms lead charged particle acceleration. Electrons are accelerated in direction of Earth’s poles by long train of electric double layers of small amplitudes. Charged particles are accelerated by the pondermotive force of electromagnetic radiation. Also, in a nonequilibrium current plasma or a plasma with particle flows, a strong electric double layer can be formed, which accelerates charged particles to high energies. The reconnection of\u0000the magnetic field lines also leads to the acceleration of charged particles.","PeriodicalId":54580,"journal":{"name":"Problems of Atomic Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90026878","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: 0

DRIFT-KINETIC EQUATIONS IN MAGNETIZED CURRENT-CARRYING PLASMAS 磁化载流等离子体中的漂移动力学方程

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-027

N. Grishanov, N. Azarenkov

引用次数: 0

TiO2-2 RADIATING DAMAGES AS A RESULT OF THE IRRADIATION HELIUM IONS WITH ENERGIES OF 0.12 AND 4 MeV ON THE LINEAR ACCELERATOR 摘要在直线加速器上辐照能量分别为0.12 MeV和4 MeV的氦离子对TiO2-2产生辐射损伤

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-096

V. Butenko, A. Cenian, O. Dyachenko, O. Manuilenko, K. V. Pavlii, M. Sawczak, B. V. Zajtsev, V. Zhurba

引用次数: 0

A METHOD FOR MAINTAINING THE ACCELERATION RATE AND INCREASING THE ENERGY OF SELF-INJECTED BUNCH DUE TO THE USE OF INHOMOGENEOUS PLASMA 一种利用非均匀等离子体维持自注入束的加速速率并增加其能量的方法

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-067

D. Bondar, V. Maslov, I. Onishchenko

引用次数: 0

INVESTIGATION OF SPATIAL DISTRIBUTION OF METAL VAPOURS ADMIXTURES IN THE PLASMA OF AN ELECTRIC ARC DISCHARGE 电弧放电等离子体中金属蒸气混合物空间分布的研究

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-139

A. Murmantsev

{"title":"INVESTIGATION OF SPATIAL DISTRIBUTION OF METAL VAPOURS ADMIXTURES IN THE PLASMA OF AN ELECTRIC ARC DISCHARGE","authors":"A. Murmantsev","doi":"10.46813/2023-146-139","DOIUrl":"https://doi.org/10.46813/2023-146-139","url":null,"abstract":"This work focuses on diagnosing the plasma in an electric arc discharge in an argon flow using optical emission spectroscopy. The method employed for determining the population of energy levels and the concentration of metal atoms based on the absolute values of emission intensity is described and validated. The experimental setup includes\u0000a spectrograph and an RGB CMOS matrix as the emission registration device. By obtaining the absolute values of the spectral radiances of Cu I lines and considering the axial symmetry of the electric arc discharge, the local radiation intensity of these lines is determined. Radial distributions of copper atom concentrations are then calculated\u0000using the absolute values of emission intensities and the radial distribution of the excitation temperature, which is determined using the Boltzmann plots technique. Two methods are employed for calculating the atom concentrations. The first method involves Boltzmann plots based on four spectral lines of Cu I and the corresponding excitation temperature. The second method determines the concentrations directly from the population of copper's energy levels, which are derived from the absolute values of emission intensity of the Cu I spectral lines. The results obtained from these two methods exhibit a coincidence of within 20%, supporting the recommendation of this technique for plasma diagnostics in electric arc discharges.","PeriodicalId":54580,"journal":{"name":"Problems of Atomic Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75051380","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: 0

FREQUENCY OF PARAMETRIC X-RAY RADIATION 参数x射线辐射的频率

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Problems of Atomic Science and Technology Pub Date : 2023-08-21 DOI: 10.46813/2023-146-085

A. V. Shchagin, G. Kube

引用次数: 0