Aromatik birikmalarni amidoalkillash reaksiyalari va bu reaksiyalardan biologik faol moddalar sintezining oraliq bosqichlarida foydalanilishi haqidagi ma’lumotlar hozirgi paytdagi mavjud ilmiy adabiyotlarda keltirilgan, ammo aromatik uglevodorodlardan toluolni benzonitroil va atsetonitril bilan amidoalkillash reaksiyalari o‘rganilmagan. Ma’lumki, biologik faol moddalar hisoblanadigan farmatsevtik preparatlar, pestitsidlar va gerbitsidlar sintezida amidometilaromatik birikmalar va amidometilfenollarning hosilalari muhim o‘rin tutadi. Sababi, birikmalar molekulasiga amidometil radikalining kiritilishi ularning biologik faolligini keskin oshiradi.
Ushbu maqolada boshlang‘ich sinf o‘quvchilarining ona tilidan bilimdonligini oshirish va mustaqil ijodiy fikrlash ko‘nikmalarini shakllantirish, iqtidorini rivojlantirish, faoliyatning turli ko‘rinishlariga qiziqishni rivojlantirish muammolariga oid ma’lumotlar keltirib o‘tilgan.
Ushbu maqolada odam va odamning paydo bo‘lishi haqidagi diniy qarashlar evolutsiyasi, olam va odamning vujudga kelishi haqida olimlarning fekrlari, mifologik dunyoqarashga asoslangan dinlarning dastlabki unsurlari, olam va odamning vujudga kelishi haqida Qur’oni Karimda keltirilgan bir qator ma'lumotlar keltirilganligi to’g’risida ma’lumotlar berilgan.
Ushbu maqolada ta’lim tizimidagi ijtimoiy tarmoqlarning, shuningdek, medianing òrni va ahamiyati tòğrisida soʻz boradi. Bu esa òz òrnida media texnologiyalarining bir qancha ijobiy va salbiy tomonlarini oʻquv jarayoniga kòrsatadigan ta’siri uning yutuq va kamchiliklari borasida ma’lumotlar berilgan.
In world practice, it is important to develop targeted strategies aimed at further improving the business environment, implementing active business projects to en sure sustainable economic development, pursuing economic policies that have a positive effect on business development, conducting research aimed at using blockchain technology as well as ensuring interest in business development by state and society. The issues of doing business after the global crisis caused by the pandemic, statistical observation, and forecasting issues, statistical assessment of the impact of the pandemic on business entities, and improving methods of statistical analysis of business development processes during and after the pandemic became important as never before. As a result of the conducted research, the authors have reached assessing quantitative and qualitative indicators of factors affecting business development processes has been developed, and software has been created that makes the accurate analyzes on the basis of blockchain of the data, a comprehensive analytical approach was developed based on statistical indicators characterizing business development trends in the country, in the SNA sectors, in the context of key industries and regions, multifactor empirical models were developed and forecast options for 2021-2026 were proposed using the scenario method. The theoretical approaches and the initial data used are taken from offcial sources, based on the data of business entities operating in Uzbekistan, proposals, and recommendations implemented in practice, statistical data of the State Committee on Statistics of the Republic of Uzbekistan, as well as primary data obtained during the study. The proposed blockchain stages in the busine process accurately evaluate the results that meet the requirements of digital economy.
Maqolada qirg‘iz elining mahoratli yozuvchisi Chingiz Aytmatov haqida, uning asarlari borasida so‘z ketadi. Adib asarlarining boshqa tillarga tarjimalari, kitobxonlar tomonidan sevib o‘qilishi haqida ma’lumotlar beriladi.
Ushbu maqolada turli seleksiyaga mansub qora-ola zotli sigirlarning fasllar kesimida klinik koʻrsatkichlari (tana harorati, yurak urushi va nafas olishi) to‘g‘risida ma’lumotlar keltirilgan
Axborot xavfsizligi (Information Security) tashkilotlarga raqamli huquq va analog huquqlarni, axborotni himoya qilish imkonini beradi. Xalqaro tashkilotlarning axborot xavfsizligi siyosati qisqacha “InfoSec” 286 287 deb nomlanadi va kriptografiya, mobil hisoblash, ijtimoiy media, shuningdek, xususiy, moliyaviy va korporativ ma’lumotlarni o‘z ichiga olgan infratuzilma va tarmoqlarni qamrab oladi.
Цель: изучение динамики нозологической структуры заболеваний глаз у детей по материалам офтальмологического отделения клиники Ташкентского педиатрического медицинского института.
Материал и методы: проведен ретроспективный анализ отчетной медицинской документации ра
боты офтальмологического отделения клиники
ТашПМИ в 2018-2021 гг. Результаты: в течение 4-х лет в структуре заболеваний лидирующие позиции (от 10 до 33,15%) занимали заболевания хрусталика, травмы, патологии глазодвигательного аппарата и внутриглазного давления. Анализ динамики каждой нозологической группы в течение 2018-2021
гг. выявил стойкую тенденцию к возрастанию числа детей с врожденными катарактами (с 23,7 до 30,57%) и врожденной глаукомой (с 17,25 до 34,05%), незначительное снижение частоты травм (с 29,02 до 21,77%), число пациентов с косоглазием, которое после резкого снижения до 10,31% в 2020 г. вновь уве
личилось до 26,82% в 2021 г. Выводы: полученные данные необходимо учитывать для оптимизации плановой и экстренной детской офтальмологической службы в регионах республики, совершенство
вания скрининга врожденных и генетических заболеваний, профилактики детского травматизма.