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Proceedings of the YSU A: Physical and Mathematical Sciences最新文献

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NEW PROSPECTS OF APPLICATION OF LIQUID CRYSTAL POLYMER CANTILEVER 液晶聚合物悬臂梁应用的新前景
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2020-12-15 DOI: 10.46991/pysu:a/2020.54.3.165
H. Margaryan, N. Hakobyan, V. Abrahamyan, P. K. Gasparyan, A. Yeremyan, N. Tabiryan, R. Vergara
{"title":"NEW PROSPECTS OF APPLICATION OF LIQUID CRYSTAL POLYMER CANTILEVER","authors":"H. Margaryan, N. Hakobyan, V. Abrahamyan, P. K. Gasparyan, A. Yeremyan, N. Tabiryan, R. Vergara","doi":"10.46991/pysu:a/2020.54.3.165","DOIUrl":"https://doi.org/10.46991/pysu:a/2020.54.3.165","url":null,"abstract":"The manufacturing technique of a millimetric sizes cantilever from photo-driven azobenzene polymer is described. The cantilever oscillations under the influence of laser radiation are studied. The possibility of making a micron-sized cantilever by a femtosecond laser initiated two-photon polymerization technique is shown. Such cantilever can become the basis for a high sensitive sensor, controlled directly by light.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86596906","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
VIBRATIONS OF PIEZOELECTRIC LAYER of CLASS 6mm WITH RIGIDLY CLAMPED AND FREE EDGES UNDER INITIAL CONDITIONСS 具有刚性夹紧和自由边缘的6mm级压电层在初始CONDITIONСS下的振动
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2020-12-15 DOI: 10.46991/pysu:a/2020.54.3.146
M. Belubekyan, A. Papyan
{"title":"VIBRATIONS OF PIEZOELECTRIC LAYER of CLASS 6mm WITH RIGIDLY CLAMPED AND FREE EDGES UNDER INITIAL CONDITIONСS","authors":"M. Belubekyan, A. Papyan","doi":"10.46991/pysu:a/2020.54.3.146","DOIUrl":"https://doi.org/10.46991/pysu:a/2020.54.3.146","url":null,"abstract":"The paper considers the problem of vibration of a piezoelectric layer of the class $6~mm$ with initial conditions in the form of impact of an external electric field or displacement, when one edge is rigidly grounded and the other is free. The layer displacement and internal electric field are determined.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"71 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84278113","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
TRANSFER OF LOADS FROM A FINITE NUMBER OF ELASTIC OVERLAYS WITH FINITE LENGTHS TO AN ELASTIC STRIP THROUGH ADHESIVE SHEAR LAYERS 通过粘接剪切层将载荷从有限数量的有限长度的弹性覆盖层传递到弹性条带
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2019-08-15 DOI: 10.46991/pysu:a/2019.53.2.109
A. V. Kerobyan
{"title":"TRANSFER OF LOADS FROM A FINITE NUMBER OF ELASTIC OVERLAYS WITH FINITE LENGTHS TO AN ELASTIC STRIP THROUGH ADHESIVE SHEAR LAYERS","authors":"A. V. Kerobyan","doi":"10.46991/pysu:a/2019.53.2.109","DOIUrl":"https://doi.org/10.46991/pysu:a/2019.53.2.109","url":null,"abstract":"This article deals with the problem of an elastic infinite strip, which is strengthened along its free boundary by a finite number of finite overlays with different elastic characteristics and small constant thicknesses. The interaction between the strip and the overlays is mediated by adhesive shear layers. The overlays are deformed under the action of horizontal forces. The problem of determination of unknown stresses acting between the strip and overlays are reduced to a system of Fredholm integral equations of the second kind for a finite number of unknown functions defined on different finite intervals. It is shown that in the certain domain of variation of the characteristic parameter of the problem this system of integral equations in Banach space may be solved by the method of successive approximations. Particular cases are discussed and the character and behaviour of unknown shear stresses are investigated.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74556127","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
INVARIANT SOLUTION OF THE DIRAC EQUATION IN THE CROSSED ELECTRIC AND MAGNETIC FIELDS $ (H mathclose{>} E) $ 狄拉克方程在交叉电场和磁场中的不变量解$ (H mathclose{>} E) $
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2019-08-15 DOI: 10.46991/pysu:a/2019.53.2.138
R. G. Petrosyan, M. Davtyan
{"title":"INVARIANT SOLUTION OF THE DIRAC EQUATION IN THE CROSSED ELECTRIC AND MAGNETIC FIELDS $ (H mathclose{>} E) $","authors":"R. G. Petrosyan, M. Davtyan","doi":"10.46991/pysu:a/2019.53.2.138","DOIUrl":"https://doi.org/10.46991/pysu:a/2019.53.2.138","url":null,"abstract":"In the article exact analytical and invariant solutions for both spinless and half-spin relativistic charged particles in crossed constant electric and magnetic fields, when $ H mathclose{>} E $ have been found. It is shown that in both cases the problem reduces to that of quantum harmonic oscillator.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81552524","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
COMPUTER MODELING OF MICROWAVE STRIPLINE RESONATORS FOR NON-INVASIVE SENSING 微波带状线谐振器非侵入式传感的计算机建模
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2019-04-15 DOI: 10.46991/pysu:a/2019.53.1.060
B. Minasyan, L. Odabashyan, Z. Baghdasaryan, A. Babajanyan, Kiejin Lee
{"title":"COMPUTER MODELING OF MICROWAVE STRIPLINE RESONATORS FOR NON-INVASIVE SENSING","authors":"B. Minasyan, L. Odabashyan, Z. Baghdasaryan, A. Babajanyan, Kiejin Lee","doi":"10.46991/pysu:a/2019.53.1.060","DOIUrl":"https://doi.org/10.46991/pysu:a/2019.53.1.060","url":null,"abstract":"Microwave stripline resonators of rectangular and double rectangular shapes for non-invasive sensing have been designed and investigated experimentally and numerically. The resonator of single rectangular shape has had a resonance at about 4.32 GHz for $ S_{21} $ and the resonator of double rectangular shape has had resonances at about 3.5 GHz for $ S_{21} $ and 5.85 GHz for $ S_{11} $. The simulation results for the sensitivity of the single rectangular and double rectangular resonators were -0.023 dB/(mg/dL) (glucose concentration) and 0.0143 dB/(mg/dL) (NaCl concentration), respectively. The electromagnetic field distribution of the resonators was visualized and compared using computer simulation software HFSS. The obtained data have shown the accuracy of resonators as a non-invasive sensor for biophysical applications.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"80 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82058207","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
SHORT-RANGE DISORDER IN POLYELECTROLYTES: REPLICAS AND CONSTRAINED ANNEALING COMPARISON 聚电解质的短程无序:复制品和约束退火比较
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2019-04-15 DOI: 10.46991/pysu:a/2019.53.1.047
A. Mamasakhlisov
{"title":"SHORT-RANGE DISORDER IN POLYELECTROLYTES: REPLICAS AND CONSTRAINED ANNEALING COMPARISON","authors":"A. Mamasakhlisov","doi":"10.46991/pysu:a/2019.53.1.047","DOIUrl":"https://doi.org/10.46991/pysu:a/2019.53.1.047","url":null,"abstract":"The general formalism describing polyelectrolyte behavior in presence of sequence disorder is presented. The Edwards and Poisson–Boltzmann equations are obtained. The possible effect of the boundary conditions is discussed. Comparison between replica and constrained annealing approaches is made.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80901106","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
IN MEMORY OF MIHRAN S. SHARAMBEYAN 为了纪念mihran s. sharambeyan
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2019-04-15 DOI: 10.46991/pysu:a/2019.53.1.65
YSU Administration, Editorial Board of “Proceedings of the YSU”, Editorial Group of “Proceedings of the YSU”
{"title":"IN MEMORY OF MIHRAN S. SHARAMBEYAN","authors":"YSU Administration, Editorial Board of “Proceedings of the YSU”, Editorial Group of “Proceedings of the YSU”","doi":"10.46991/pysu:a/2019.53.1.65","DOIUrl":"https://doi.org/10.46991/pysu:a/2019.53.1.65","url":null,"abstract":"","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"59 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84496144","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
SELECTION OF COINCIDENCE ELECTRON-PROTON EVENTS IN NUCLEI INTERACTION 原子核相互作用中符合电子-质子事件的选择
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2019-04-15 DOI: 10.46991/pysu:a/2019.53.1.053
D. A. Martiryan
{"title":"SELECTION OF COINCIDENCE ELECTRON-PROTON EVENTS IN NUCLEI INTERACTION","authors":"D. A. Martiryan","doi":"10.46991/pysu:a/2019.53.1.053","DOIUrl":"https://doi.org/10.46991/pysu:a/2019.53.1.053","url":null,"abstract":"The main goal of this analysis is to study momentum (or kinetic energy) distribution of the backward going protons using data from CLAS EG2 experiment at Jefferson Lab. In this experiment scattering of a 5.014 GeV electron beam off various nucleus targets, ranging from deuterium to lead, have been recorded. The analysis includes selection of events in the reaction $ A(e, e^{prime}, P_{back}) X $, where $ P_{back} $ is a proton scattered above 90° either in the lab coordinate frame or with respect to the direction of the interacting virtual photon, then performing required corrections and studying the protons momentum distribution as a function of energy transfer. In this paper identification of electron-proton events is presented.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"118 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85953266","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
A NECESSARY AND SUFFICIENT CONDITION FOR THE UNIQUENESS OF $ betadelta $-NORMAL FORM OF TYPED $ lambda $-TERMS FOR THE CANONICAL NOTION OF $ delta $-REDUCTION 关于$ delta $ -约简的规范概念的类型化$ lambda $ -项的规范形式的$ betadelta $ -唯一的一个充分必要条件
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2019-04-15 DOI: 10.46991/pysu:a/2019.53.1.028
L. Budaghyan, D. Grigoryan, L. Torosyan
{"title":"A NECESSARY AND SUFFICIENT CONDITION FOR THE UNIQUENESS OF $ betadelta $-NORMAL FORM OF TYPED $ lambda $-TERMS FOR THE CANONICAL NOTION OF $ delta $-REDUCTION","authors":"L. Budaghyan, D. Grigoryan, L. Torosyan","doi":"10.46991/pysu:a/2019.53.1.028","DOIUrl":"https://doi.org/10.46991/pysu:a/2019.53.1.028","url":null,"abstract":"In this paper the canonical notion of $ delta $-reduction is considered. Typed $ lambda $-terms use variables of any order and constants of order $ leq 1 $, where the constants of order 1 are strongly computable, monotonic functions with indeterminate values of arguments. The canonical notion of $ delta $-reduction is the notion of $ delta $-reduction that is used in the implementation of functional programming languages. It is shown that for canonical notion of $ delta $-reduction SI-property is the necessary and sufficient condition for the uniqueness of $ betadelta $-normal form of typed $ lambda $-terms.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"44 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88486171","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
ON THE UNIQUENESS OF $ betadelta $-NORMAL FORM OF TYPED $ lambda $-TERMS FOR THE CANONICAL NOTION OF $ delta $-REDUCTION 关于$ delta $ -约简的规范概念的类型化$ lambda $ -项的$ betadelta $ -范式的惟一性
Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2019-04-15 DOI: 10.46991/pysu:a/2019.53.1.037
D. Grigoryan
{"title":"ON THE UNIQUENESS OF $ betadelta $-NORMAL FORM OF TYPED $ lambda $-TERMS FOR THE CANONICAL NOTION OF $ delta $-REDUCTION","authors":"D. Grigoryan","doi":"10.46991/pysu:a/2019.53.1.037","DOIUrl":"https://doi.org/10.46991/pysu:a/2019.53.1.037","url":null,"abstract":"In this paper we consider a substitution and inheritance property, which is the necessary and sufficient condition for the uniqueness of $ betadelta $-normal form of typed $ lambda $-terms, for canonical notion of $ delta $-reduction. Typed $ lambda $-terms use variables of any order and constants of order $ leq 1 $, where the constants of order 1 are strongly computable, monotonic functions with indeterminate values of arguments. The canonical notion of $ delta $-reduction is the notion of $ delta $-reduction that is used in the implementation of functional programming languages.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84632978","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
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