Ushbu maqolada yassi quyosh kollektorlari orqali aholi yashash binolarini isitish va issiq suv ta’minotini samaradorligini oshirish masalasi o‘rganiladi. Tadqiqotda kollektor yuzasining o‘zlashtirgan issiqlik energiyasi, termosifon va majburiy sirkulyatsiyali (bir, ikki va ko‘p konturli) isitish tizimlarining ishlashi va yoqilg‘i tejash imkoniyatlari tahlil qilinadi.

Ushbu maqolada boshlangʻich sinf oʻquvchilarining estetik madaniyatini shakllantirishning nazariy asoslari, tamoyillari va usullari tahlil qilingan. Maqolada estetik tarbiyaning zamonaviy yondashuvlari, xalqaro tajriba hamda milliy qadriyatlarning uyg'unligi masalalari yoritilgan. Tadqiqot adabiyotlar tahlili asosida amalga oshirilgan.

This article provides information on congenital heart defects, including complete and partial transposition, aggravating factors, and causes of death. Congenital heart defects (CHDs) are structural abnormalities of the heart that are present at birth. These conditions can disrupt blood flow within the heart and can negatively impact the normal functioning of other organs and systems. Congenital heart defects are the most common birth defects, and their complexity ranges from simple problems to complex conditions requiring multiple surgeries. It is important to understand and treat CHDs as conditions that require specialized medical care and treatment.

This study analyzes the issues of combating cyberbullying, the psychological, social and technological risks posed by the Internet and digital technologies. Cyberbullying is characterized by negative phenomena such as excessive Internet addiction among young people, cyber threats and theft of personal information. Cybersecurity policies, training and the role of the media are important in combating cyberbullying. Cooperation between parents, educational institutions and government organizations plays an important role in protecting young people in online safety. Legal and regulatory measures, as well as international cooperation, are necessary elements in ensuring cybersecurity. This study emphasizes the need to develop and implement a comprehensive approach to combating cyberbullying, and also suggests measures aimed at increasing knowledge and skills in the field of cybersecurity.

In this article, we will consider the role and importance of small hydroelectric power plants in our energy system, the analysis of vibrations in hydroelectric units in small hydroelectric power plants, their origin and preventive measures. We will also consider the operating principle of vertical hydroelectric units and their advantages in energy production.