A

A A, or a, is the first letter and the first vowel letter of the Latin alphabet, used in the modern English alphabet, and others worldwide. Its name in English is ''a'' (pronounced ), plural ''aes''.

It is similar in shape to the Ancient Greek letter alpha, from which it derives. The uppercase version consists of the two slanting sides of a triangle, crossed in the middle by a horizontal bar. The lowercase version is often written in one of two forms: the double-storey and single-storey . The latter is commonly used in handwriting and fonts based on it, especially fonts intended to be read by children, and is also found in italic type. Provided by Wikipedia
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  1. 1
    Mathematical model of the control system of mobile caterpillar robot taking into account kinematic and dynamic parameters

    Mathematical model of the control system of mobile caterpillar robot taking into account kinematic and dynamic parameters by S. A. Pauliukavets, A. A. Velchenko, A. A. Radkevich

    Published 2023-11-01
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  2. 2
    Modern options of prokinetics in gastroesophageal reflux disease treatment

    Modern options of prokinetics in gastroesophageal reflux disease treatment by A. A. Sheptulin, A. A. Kurbatova, S. A. Baranov

    Published 2018-08-01
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  3. 3
    New Rome-IV criteria of the functional dyspepsia (review)

    New Rome-IV criteria of the functional dyspepsia (review) by A. A. Sheptulin, A. A. Kurbatova

    Published 2018-08-01
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  4. 4
    СALCULATION OF THE VERTICAL GATING SYSTEMS WITH USAGE OF STANDARD ELEMENTS

    СALCULATION OF THE VERTICAL GATING SYSTEMS WITH USAGE OF STANDARD ELEMENTS by A. A. Tonkovich, A. A. Skvortsov

    Published 2016-04-01
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  5. 5
    Research of migration processes in electronic social networks

    Research of migration processes in electronic social networks by A. A. Grebenyuk, A. A. Subbotin

    Published 2021-08-01
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  6. 6
    Low-carbon ammonia-based fuel for maritime transport

    Low-carbon ammonia-based fuel for maritime transport by A.A. Levikhin, A.A. Boryaev

    Published 2025-03-01
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  7. 7
    THE MAIN CHARACTERISTICS OF LUBRICATION FOR WIRE DRAWING FOR METAL CORD, THEIR INFLUENCE ON DRAWING QUALITY

    THE MAIN CHARACTERISTICS OF LUBRICATION FOR WIRE DRAWING FOR METAL CORD, THEIR INFLUENCE ON DRAWING QUALITY by A. A. Truhanovich, A. A. Ledneva

    Published 2008-05-01
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  8. 8
    Risks of Online Health Information Seeking: Adaptation of the OHISS in the Russian Sample

    Risks of Online Health Information Seeking: Adaptation of the OHISS in the Russian Sample by A.A. Maksimenko, A.A. Zolotareva

    Published 2025-01-01
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  9. 9
    Monitoring process of developing system for providing temperature, air supply and filtration of transported control modules

    Monitoring process of developing system for providing temperature, air supply and filtration of transported control modules by A. A. Girchenko, A. A. Rumyantsev, A. A. Kazantsev, D. I. Bukhanets, A. V. Timoshenko, A. A. Murashev

    Published 2020-10-01
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  10. 10
    Reforming public service of Republic of Kazakhstan as necessary condition for effective development of national economy

    Reforming public service of Republic of Kazakhstan as necessary condition for effective development of national economy by S. S. Dontsov, A. S. Kadyrova, S. A. Rakhimova, A. A. Nurgaliyeva, A. A. Titkov

    Published 2020-12-01
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  11. 11
    Morphology of Microstructures of Oil Components with Increased Stability against Biological Decomposition

    Morphology of Microstructures of Oil Components with Increased Stability against Biological Decomposition by A.S. Gordeev, A.A. Shinkarev, A.A. Nesmelov, R.A. Galiev

    Published 2015-09-01
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  12. 12
    Compressor equipment for enhancing efficiency of solid organic waste processing plants

    Compressor equipment for enhancing efficiency of solid organic waste processing plants by A. V. Burakov, A. A. Kotlov, A. A. Levikhin

    Published 2021-10-01
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  13. 13
    Periodic Problems of Difference Equations and Ergodic Theory

    Periodic Problems of Difference Equations and Ergodic Theory by B. A. Biletskyi, A. A. Boichuk, A. A. Pokutnyi

    Published 2011-01-01
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  14. 14
    Model of pipeline vibrations during unauthorized exposure

    Model of pipeline vibrations during unauthorized exposure by A. A. Fedotov, R. A. Akhmedzhanov, A. A. Pyatkov

    Published 2019-11-01
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  15. 15
    Diagnostics of D.C. Starter Generators While Using Fuzzy Logic Theory

    Diagnostics of D.C. Starter Generators While Using Fuzzy Logic Theory by A. A. Lobaty, A. A. Sheinikov, A. N. Belegov

    Published 2011-10-01
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  16. 16
    Hands-on Experience of THERMO FITNESS TESTING Device Use for Thermoelectric Evaluation of Metallic Materials

    Hands-on Experience of THERMO FITNESS TESTING Device Use for Thermoelectric Evaluation of Metallic Materials by A. A. Soldatov, A. I. Soldatov, M. A. Kostina, A. A. Abouellail

    Published 2024-07-01
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  17. 17
    RETRACTED: Methods of automated detection of travel points when training a collaborative robot

    RETRACTED: Methods of automated detection of travel points when training a collaborative robot by Evstifeeva N.A., Gurdiumov S.A., Kleimenov A.A., Gerasimova A.A.

    Published 2024-01-01
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  18. 18
    Diagnostic Possibilities of Determining the Level of Faecal Calprotectin in Clinical Practice

    Diagnostic Possibilities of Determining the Level of Faecal Calprotectin in Clinical Practice by A. A. Sheptulin, S. S. Kardasheva, A. A. Kurbatova

    Published 2023-05-01
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  19. 19
    Diet in the Management of Functional Dyspepsia: Controversial and Unresolved Issues

    Diet in the Management of Functional Dyspepsia: Controversial and Unresolved Issues by A. A. Sheptulin, S. S. Kardasheva, A. A. Kurbatova

    Published 2023-09-01
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  20. 20
    The influence of the character peculiarities of the personality of the teacher on behavior in a conflict situation

    The influence of the character peculiarities of the personality of the teacher on behavior in a conflict situation by A. S. Vasileva, A. S. Vokueva, A. A. Nikolaeva

    Published 2019-04-01
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