https://americanjournal.org/index.php/ajtas/issue/feed American Journal of Technology and Applied Sciences 2024-02-26T17:06:18+00:00 Open Journal Systems <p>American Journal of Technology and Applied Sciences is an peer reviewed international, open access journal. This journal publishes the articles in the field of Technology and Applied Sciences. Authors are requested to submit their original research for the double blind peer reviewed journal.</p> <p><strong>ISSN (E):</strong> 2832-1766 <strong>JIF 2024:</strong> 9.115</p> https://americanjournal.org/index.php/ajtas/article/view/1808 ON THE ROLE OF KI-67 AND P53 PROLIFERATION MARKERS IN PATIENTS WITH RECURRENT MACRO AND GIANT INACTIVE PITUITARY TUMORS 2024-02-07T12:22:51+00:00 Миртухтаева М. Б. Миртухтаева@gmail.com Худайбергенов Ш. А. Худайбергенова@mail.uz Урманова Ю. М. Урманова@mail.ru <p>The aim of the study was to study the prognostic value of the proliferation markers Ki-67 and p53 in patients with recurrent macro and giant inactive pituitary adenomas.</p> 2024-02-07T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1809 THE USE OF INNOVATIVE TECHNOLOGIES IN THE SYSTEM OF DISTANCE LEARNING IN UNIVERSITIES 2024-02-07T12:51:12+00:00 Xolbekova Matluba Abdufattoyevna Xolbekova@gmail.com Xolbekov Sherzod Rasuljonovich Xolbekova@gmail.com <p>The article discusses the use of innovative technologies in the distance learning system in universities".</p> 2024-02-07T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1820 INFORMATION ON GNSS RECEIVERS AND THEIR ADVANTAGE 2024-02-09T16:43:37+00:00 Docent Juraeva Xusnora Davronovna xusnoragk@gmail.com Muradkulov Lazizbek Mansurjon o‘g‘li murodqulovlazizbek04@gmail.com <p>The article is devoted to the use of GNSS (Global Navigation Satellite System) receivers in the construction industry. GNSS technology plays an important role in various geodetic surveying tasks, such as land surveying and moving a point easily. The importance of GNSS receivers is growing in popularity due to their accuracy, reliability and ability to work in different conditions. This article covers general information about GNSS receivers and how to use them.</p> 2024-02-09T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1847 UNVEILING THE SIGNIFICANCE OF MICE TOURISM: CATALYST FOR ECONOMIC GROWTH AND GLOBAL COLLABORATION 2024-02-11T17:35:07+00:00 Musaeva Sayyora Abdivakhitovna musaeva_@mail.ru <p>This scientific article delves into the pivotal role of Meetings, Incentives, Conferences, and Exhibitions (MICE) tourism in fostering economic development and enhancing global collaboration. MICE tourism represents a dynamic and multifaceted sector that extends beyond conventional leisure travel, acting as a catalyst for knowledge exchange, innovation, and economic prosperity. Through an in-depth analysis of the global MICE landscape, this study aims to unravel the interconnectedness between MICE tourism and various socio-economic factors. By examining the diverse impacts of MICE events on host destinations, participant industries, and the overall economy, the article sheds light on the compelling reasons for recognizing and harnessing the potential of MICE tourism.</p> 2024-02-11T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1851 IMPROVING CHAIN STITCH STABILITY: A COMPREHENSIVE REVIEW OF FAULTS AND TECHNIQUES TASHKENT INSTITUTE OF TEXTILE AND LIGHT INDUSTRY 2024-02-12T09:43:35+00:00 Palvannazirova Nasiba nasiba.kh.t@gmail.com Butovskiy P. M. Butovskiy@gmail.com Agzamov M. M. Agzamova@gmail.com <p>This article explores the impact of low-quality needles, thread, and machine parts wear on chain-stitch defects, as well as the resulting effects on the stitch's structure and strength properties. Various technological and organizational measures are proposed to enhance the stability of the chain stitch formation process.</p> 2024-02-11T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1865 COMPARATIVE ANALYSIS OF GENDER SEMANTICS AND TRANSLATION PROBLEMS 2024-02-20T14:55:30+00:00 Mukimjon Akhunov Mukhammadaminovyich muqumjon.axunov@bk.ru Mukhiddinova Marjona marjonamuxiddinova03@gmail.com <p>In this article, the author tried to present his thoughts on the comparative analysis and translation problems of the means of expressing gender semantics in modern English and Uzbek languages. In this, the author's focus is on the comparative analysis of means of gender semantics written in English and Uzbek as the main research material. In the process of preparing the article, the author critically approached the views of English and Uzbek linguists and boldly expressed his opinions. The article may be useful for those who study English and Uzbek translation studies and its lexicology.</p> 2024-02-20T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1868 ARTISTIC INTERPRETATION OF THE NOVEL “MUVOZANAT” BY ULUGBEK HAMDAM 2024-02-20T19:47:39+00:00 Makhfuza Omonillayeva Makhfuza@mail.uz Ozoda Saipova ozodaozotova87@gmail.com <p>In this article, the famous writer and literary scholar Ulug'bek Hamdam talks about the characters of the work “Muvozanat”, their fate, keeping the material world and the spiritual world in the same balance, and the problems of a person not going beyond his own, not deviating from the path of a clear goal. z is maintained.</p> 2024-02-20T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1869 PNEUMOCOCCAL VACCINE VACCINATION IN CHILDREN WITH CONGENITAL HEART DEFECTS 2024-02-20T19:50:14+00:00 Salomov Shoxabbos Nozimjon o’g’li Salomova@mail.uz Bustonov Sherzod sherzodshamsiyev83@gmail.com <p>193 vaccinated children were observed for 1.5 years. At the age of 2–6 months, 30% of premature and 46% of children with congenital heart defects were vaccinated with the PCV7/PCV13 vaccine; at the age of 7–11 months, 52 and 40%, respectively. In 65% of cases, the PCV7/PCV13 vaccine was administered together with other vaccines in the national preventive vaccination schedule. The frequency of general post-vaccination reactions (increase in body temperature from 37.6 to 38.0°C) was 4%; no local reactions were recorded. No other adverse events were noted in the post-vaccination period.</p> 2024-02-20T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1877 SYNTHESIS OF SOME FERROCENE DERIVATIVES 2024-02-25T15:54:51+00:00 Ibrohim Asqarov Ibrohimjonova@gmail.com Qobiljon Otakhonov Qobiljonov@gmail.com Gayratjon Madrahimov Gayratjon@gmail.com Ilyosbek Avazbekov Avazbekov@gmail.com <p>The article provides information on the production of ferrocene and its derivatives, their physical and chemical properties, and their practical importance. Also, the synthesis of the derivative of o-ferroceny lbenzoic acid with dimethylolthiourea - 1-(2-carboxyphenyl)-1'-N-(ferrocenylmethyl)-N'-methyloxycar -boxamide, its structure and chemical composition was given.</p> 2024-02-24T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1881 CONSTRUCTIVE ANALYSIS OF PLATE COLUMNS 2024-02-26T17:01:46+00:00 Askarov Xasanjon Abduqaxorovich asqar.xasanboy7413@gmail.com Karimov Ikromali.Tojimatovich asqar.xasanboy7413@gmail.com Iminjonov Islomiddin IslomiddinIminjonov@gmail.com <p>In the article fractionation in a rectification column in a laboratory device separation methods are studied. Separator rectification using steam the construction of the column, the principle of operation is given. Rectification column allowing separation of acetic acid without losses in continuous operation.plate constructions are studied.</p> 2024-02-24T00:00:00+00:00 Copyright (c) 2024 https://americanjournal.org/index.php/ajtas/article/view/1882 VINEGAR ACID REGENERATION MAKING COLUMN APPARATUS PLATES MODERNIZATION 2024-02-26T17:06:18+00:00 Karimov Ikromali.Tojimatovich asqar.xasanboy7413@gmail.com Askarov Hasanjan Abdukahorovich asqar.xasanboy7413@gmail.com Kakhramonov Behruz bekhruz111kakhramonov@gmail.com <p>In the article fractionation in a rectification column in laboratory device separation methods are studied. Separator rectification using steam the construction of the column, the principle of operation is given. Rectification column allowing separation of acetic acid without losses in continuous operation.plate constructions are studied.</p> 2024-02-24T00:00:00+00:00 Copyright (c) 2024