the article describes heterocyclic compounds and the classification of their structure. Each atom of an element with two or more valences can participate in the formation of heterocyclic compounds. But among them, the most stable, widespread, well studied and important are heterocyclic compounds containing nitrogen, oxygen and sulfur. The reason for the formation of ring compounds with these atoms and carbon atoms is that the bond angles in the compounds of these atoms are very close to the bond angles of the hybridized C atom (sp 3 hybridization α=1090 and sp 2 hybridization α=1200).
08.08.2022 Volume 1 Issue 4 View more Download
In geodetic works, various tools and equipment are used. With their help, it will be possible to accurately and smoothly measure angles and relative heights. This article provides information about the Nivelir geodetic instrument, which measures relative height.
07.08.2022 Volume 1 Issue 4 View more Download
This article talks about the effective use of innovative technologies in native language and literature classes and their importance for today's science. In the course of the article, it is revealed that the use of modern methods of teaching leads to high efficiency in the teaching process and the appropriateness of choosing these methods based on the didactic task of each lesson.
07.08.2022 Volume 1 Issue 4 View more Download
The article discusses the critical-biographical essay of the writer S.Ayni dedicated to Abu Ali ibn Sina and the image of the great encyclopedic scientist created in it. Many scientific, literary and artistic works have been written about the life and work of Abu Ali Ibn Sina, the founder of medical science, and his scientific heritage. In particular, a number of stories, short stories and novels dedicated to this encyclopedic scholar have been written and are being written in Uzbek literature. At the same time, it is possible to acknowledge that the critical-biographical essay, which gives full information about the life and work of the great scientist, was written by the great writer S. Ayni.
06.08.2022 Volume 1 Issue 4 View more Download
This article deals with the role of Youth Organizations and Mahalla and Family Support Departments, their goals and objectives in the implementation of measures to ensure youth employment and the widespread development of entrepreneurship among them in the Republic of Uzbekistan today.
06.08.2022 Volume 1 Issue 4 View more Download
The article reflects the role of food independence in ensuring economic security, prevention of problems arising from it and elimination of their negative consequences. During the article, the concept of economic security was highlighted, and at the end of the article, a discussion and conclusion was given.
06.08.2022 Volume 1 Issue 4 View more Download
SCIENCE & INNOVATION