Hozirgi vaqtda polimer chiqindilar ko’payib atrof muhitga katta zarar keltiryapti. Shuning uchun ularni kamaytirish ularning o’rniga tabiiy polimerlar olish dolzarb hisoblanadi. Bunday tabiiy polimerlar turli xil agressiv muhitda parchalanib ketadi. Bunday bioparchalanuvchi polimerlar an’anaviy polimerlarga qaraganda ancha qimmatroqdir. Arzonroq bioparchalanuvchi polimerlar olish uchun polimer kompozitlardan foydalanish bilan bog’liq bo’ladi.
Agar kishi biror bir og‘ir ishni bajarayotgan bo‘lsa, u birmuncha vaqtdan so‘ng bu ishni bajarish tobora qiynlashib borayotganini sezadi. Chetdan qaraganda bu kishining holati ancha o‘zgarganligini ko‘rish mumkin. Bu o‘zgarishni mimika muskullari kuchlanishida, ter paydo bo‘lishida kurish mumkin.ayni vaqtda uning organizmida bimruncha jiddiy fiziologik o‘zgarishlar ham ro‘y beradi. Qiyinchiliklar ko‘payib borishiga karamsdan, kishi iroda kuchi hisobiga dastlabki ish shiddati birmuncha vaqt saqlab turishi mumkin.
Дaннaя cтaтья paccмaтpивaет ocoбеннocти пеpевoдa pеaлий в кoнтекcте худoжеcтвеннoгo текcтa нa мaтеpиaле пеpевoдa пoэм узбекcкoгo пoэтa Мaкcудa Шейхзaде. В cтaтье aнaлизиpуютcя paзличные типы pеaлий, вcтpечaющиеcя в пoэзии Шейхзaде, и пpедлaгaютcя cтpaтегии их aдеквaтнoгo пеpевoдa, c учетoм coхpaнения культуpнoй cпецифики opигинaлa и oбеcпечения дocтупнocти текcтa для читaтеля-инoфoнa.
This scientific paper explores the fundamental pathophysiological mechanisms underlying heart failure. The study provides a comprehensive analysis of how structural and functional changes in the heart contribute to impaired cardiac output and systemic complications. The paper examines key processes such as hemodynamic alterations, neurohormonal activation, ventricular remodeling, inflammation, and cellular energy deficiency. Particular emphasis is placed on the progression of heart failure from compensatory adaptations to maladaptive responses, leading to chronic dysfunction. Furthermore, the discussion highlights the systemic nature of the disease, affecting organs beyond the cardiovascular system, including the kidneys, liver, and brain. By focusing on both molecular and clinical aspects, the paper aims to enhance the understanding of heart failure as a multi-faceted syndrome. This deeper understanding supports the development of more targeted and effective therapeutic strategies. The content is intended for students, researchers, and medical professionals interested in the mechanisms and management of heart failure.
Ushbu maqola 15–17 yoshdagi badmintonchilarning tezkorlik va kuch sifatlarini rivojlantirishga qaratilgan ilmiy-tadqiqot natijalarini o‘z ichiga oladi. Tadqiqotda maxsus mashg‘ulotlar tizimi tajriba va nazorat guruhlari o‘rtasida taqqoslash metodikasi asosida sinovdan o‘tkazildi. Tajriba guruhida 8 hafta davomida tezkorlik va mushak kuchi ko‘rsatkichlarini oshirishga yo‘naltirilgan mashg‘ulotlar olib borildi. Natijada sportchilarning harakat faoliyati, reaksiya tezligi va jismoniy holati sezilarli darajada yaxshilandi (p<0,001). Taklif etilgan metodika o‘smir badmintonchilarning tayyorgarligini yangi darajaga ko‘tarishda samaradorligini isbotladi va matematik-statistik tahlil orqali baholandi.