This article explores the fundamental principles of thermal power generation, focusing on core components and functions in thermal power plants. It covers thermodynamics, the Rankine cycle, and heat transmission rules, with detailed examination of Rankine cycles and heat transfer mechanisms in plant components. It also discusses internal combustion engines, particularly diesel engines, and Advanced Exergy-Based Analyses in system analysis. These analyses aim to identify preventable exergy destruction sources and costs within components, with ongoing development addressing issues like validating exergy dissipation divisions. Synthesis methodologies include superstructure-based and superstructure-free approaches. The former uses a steam network to create a steam-cycle superstructure, integrating with a heat exchanger network for comprehensive flowsheets. The latter employs SYNTHSEP and ECH-based methods, with the ECH-based method excelling in comprehensive flowsheet synthesis and offering easy expansion with precise models. Both methods use bi-level decomposition techniques combining evolutionary algorithms and mathematical programming.
Mazkur maqolada islom dinida tabiat va atrof-muhitga bo‘lgan munosabatning Qur’oni karim asosidagi tahlili yoritiladi. Qur’oni karim oyatlari asosida insonning tabiat oldidagi mas’uliyati, ekologik muvozanatni saqlash borasidagi ilohiy ko‘rsatmalar, isrofgarchilik va ifloslantirishdan tiyilish kabi tamoyillar ilmiy asosda yoritiladi.
Ushbu maqolada tijorat banklarining konsalting xizmatlari bo‘yicha olib borayotgan faoliyati chuqur tahlil qilinib, bu xizmatlarning bank tizimidagi o‘rni va ahamiyati yoritilgan. Konsalting xizmatlari nafaqat bank mijozlari uchun qo‘shimcha axborot va maslahat manbai, balki banklarning raqobatbardoshligini oshirish, mijozlarga chuqur individual yondashuvni joriy etish hamda yangi daromad manbalarini shakllantirish vositasi sifatida baholangan. Maqolada banklar tomonidan ko‘rsatilayotgan konsalting xizmatlarining hozirgi holati, rivojlanish darajasi, mavjud infratuzilma, xizmatlar sifati, kadrlar salohiyati va mijozlar ehtiyojlariga javob bera olish darajasi o‘rganilgan. Tadqiqot natijalari shuni ko‘rsatadiki, O‘zbekiston tijorat banklarida konsalting xizmatlari asosan yirik korporativ mijozlarga qaratilgan bo‘lib, kichik va o‘rta biznes subyektlari hamda jismoniy shaxslar bilan ishlash yo‘nalishi sust rivojlangan. Shuningdek, raqamli texnologiyalar asosida masofaviy maslahatlar berish tizimlari yetarlicha rivojlanmagan bo‘lib, bu xizmatlarning keng joriy etilishi uchun kadrlar malakasi va texnologik platformalarning rivojlanishi dolzarb masala hisoblanadi.
This article explores the challenges and opportunities associated with teaching foreign languages through the use of innovative pedagogical technologies. It discusses the evolution of technological tools in language education, ranging from multimedia resources to cutting-edge technologies such as artificial intelligence, virtual reality, and augmented reality.
Tuyalar yil bo‘yiga o‘rista o‘tlagani bilan ularning vazni o‘zgarib turadi. Masalan: voyaga etgan yoshdagi qolmoq porodasining qishda dekabrdan aprelgacha oraliqda 19,7% to‘rt yoshli tuyalar 10,1%, uch yoshlilari 9,1%, ikki yasharlari 5% vaznini yo‘qotadiganini tadqiqotlarda aniqlangan. Kichik bo‘talar onasining sutini emib yurgandan keyin ularning vaznida o‘zgarishlar bo‘lmaydi. Tuyalarning faqat kuchidan boshqa ular odam organizmi uchun eng bir foydali suti ham bor. Bularning sutlaridan qozoq, qirg‘iz, turkman, mongol, o‘zbek, qoraqalpoq xalqlari keng turda foydalanadi. Tuyaning sutining tarkibida sigir sutiga qaraganda ancha odam uchun foydali mikroelementlar ko‘p uchraydi.