Universum: Chemistry and Biology 4(130)

THE ACTIVATION ENERGY OF MOLYBDENUM DISULFIDE DURING OXIDATION WITH NITRIC ACID

Yodgorjon Safarov Vitaliy Guro Sitorabonu Rasulova Хayitali Adinayev Khabiba Talipova

30.03.2025 473

01. Inorganic Chemistry

PROCESSING OF LOW-GRADE SCHEELITE CONCENTRATE WITH PURIFICATION OF TUNGSTEN ANHYDRIDE FROM IMPURITIES

Yodgorjon Safarov Sitorabonu Rasulova Vitaliy Guro Farkhod Abdullaev Хayitali Adinayev Gulomzhon Sultanov

30.03.2025 608

01. Inorganic Chemistry

COMPOSITION AND RHEOLOGICAL PROPERTIES OF LIQUID NPK FERTILIZERS PRODUCED FROM INORGANIC ACIDS

Shuhratjon Nomozov

27.03.2025 466

01. Inorganic Chemistry

ОПТИМИЗАЦИЯ КОНЦЕНТРАЦИИ ПЛАСТИФИКАТОРА В СТРОИТЕЛЬНЫХ КОМПОЗИТАХ С ПОМОЩЬЮ МАТЕМАТИЧЕСКОГО МОДЕЛИРОВАНИЯ

Zokirov Xolbek Abdullaev Olim Nozimov E’zozbek Mirzayev Tokhirjon Juraboeva Zarnigor

16.03.2025 628

01. Inorganic Chemistry

TRINUCLEAR COPPER(II) COMPLEX WITH 2,2'-SULPHANEDIYLBIS(5-METHYL-1,3,4-THIADIAZOLE)

Kinshakova Ekaterina Batirbay Torambetov Kadirova Shahnoza

05.03.2025 628

01. Inorganic Chemistry

SPECTROSCOPIC STUDY OF THE STRUCTURE OF THE MERCURY COMPLEX WITH GLYCYRRHIZIC ACID

Madina Mambetmuratova Ugiloy Abdurakhmanova

24.03.2025 589

02. Analytical Chemistry

APPLICATION OF SPECTROSCOPIC METHODS IN THE DETERMINATION OF Cu(II) IONS

Jumayeva Eleonora Sevara Makhamatova

22.03.2025 491

02. Analytical Chemistry

НОВОЕ ПРИРОДНОЕ СОЕДИНЕНИЕ КЛАССА ФУРАНОКУМАРИНОВ ИЗ Symphyoloma graveolens C.A.Mey

Mammadova Husniya Kazimov Imran

06.03.2025 473

03. Organic Chemistry

SYNTHESIS AND STUDY OF HYDROGELS BASED ON HYDROXYPROPYL METHYLCELLULOSE USING DERIVATOGRAPHY AND IR SPECTROSCOPY METHODS

Bakhodir Mukhiddinov Abdulakhat Djalilov Shavkat Shirinov Oltinbek Isroilov

28.03.2025 410

03. Organic Chemistry

CHLORACETYLATION OF THE THYMOLE

Sitora Buronova Mukhlisa Razzokova Gulnoza Izbasarova Choriev Azimjon

27.03.2025 383

03. Organic Chemistry

ИЗУЧЕНИЕ БИОЛОГИЧЕСКОЙ АКТИВНОСТИ 2-ХЛОР-N-ТОЛИЛАЦЕТАМИДА И N-(ТОЛИЛ)-Α-ПИКОЛИНАМИДОВ, ПОЛУЧЕННЫХ N-АЦИЛАТОМ ИЗОМЕРОВ ТОЛУИДИНА С ХЛОРАЦЕТИЛХЛОРИДОМ И ПИКОЛИНОВОЙ КИСЛОТОЙ В ПРОГРАММЕ PASS ONLINE

Bobonazarova Sarvinoz Burieva Dilnoza Abdushukurov Anvar

17.03.2025 411

03. Organic Chemistry

SYNTHESIS AND IR SPECTROSCOPIC STUDY OF THIOUREA DERIVATIVES

Bakhodir Mukhiddinov Abdukhamid Makhsumov Furkat Toshtemirov Fakhriyor Olikulov

17.03.2025 424

03. Organic Chemistry

ДИФФЕРЕНЦИАЛЬНАЯ ЭНТАЛЬПИЯ И ЭНТРОПИЯ АДСОРБЦИИ АММИАКА В ЦЕОЛИТЕ Са5Na3A (MSS-624)

Bazarbaev Muratali Juraeva Ziyoda Kokhkharov Mirzokhid Bakhronov Khayot Kholmedov Khamid Ganiev Abror

28.03.2025 654

04. Physical Chemistry

ANALYSIS OF THE ADSORPTION ISOTHERMS OF N-HEPTANE MOLECULES ON A HYBRID DIACETATECELLULOSE-SILICA BIONANOCOMPOSITE USING THE FREUNDLICH, LANGMUIR AND DUBININ-RADUSHKEVICH MODELS

Yarkulov Akhror Baxtiyor Sagdullaev Khamdam Akbarov

27.03.2025 666

04. Physical Chemistry

СИНТЕЗ И ФИЗИКО-ХИМИЧЕСКИЕ СВОЙСТВА КВАНТОВЫХ ТОЧЕК CdS, МОДИФИЦИРОВАННЫХ СТАБИЛИЗАТОРАМИ, СОДЕРЖАЩИМИ ТИОЛОВЫЕ ГРУППЫ

Zufarov Asliddin

26.03.2025 504

04. Physical Chemistry

ISSUES OF CLASSIFICATION OF POLYMERS ACCORDING TO HS CODE (HARMONIZED SYSTEM)

Khusnida Isroilova Bakhtiyorjon Abduganiyev Fazilat Khakimova Umidakhon Mukimjonova

24.03.2025 385

06. High-molecular compounds

STUDY OF PHYSICOCHEMICAL PROPERTIES OF MENTHOL ACETYL FORMIC ETHER

Zulfiya Khalmuratova Ugiloy Abdurakhmanova Matchanov Alimjon Davlatboyevich

12.03.2025 573

09. Bioorganic Chemistry

ОЦЕНКА ЛЕЧЕБНЫХ СВОЙСТВ КОРНЯ МОРКОВИ ПО ХИМИЧЕСКОМУ СОСТАВУ

Olimjonova Guloyim Dilshodbek kizi

29.03.2025 338

09. Bioorganic Chemistry

DETERMINATION OF ANTIOXIDANT ACTIVITY OF PHYTOESTROGEN PLANTS

Ibrokhim Askarov Shahobiddin Kirgizov Dilafruz Turgunova

11.03.2025 722

09. Bioorganic Chemistry

STUDY OF BIOLOGICAL ACTIVITY OF THE FOOD ADDITIVE "ASJAL"

Ibrokhim Askarov Boburbek Jalilov Umid Turdaliev

07.03.2025 359

09. Bioorganic Chemistry

INFLUENCE OF THE NATURE OF ORGANIC SOLVENTS AND pH ON THE EXTRACTION OF IMIDACLOPRID AND ACETAMIPRID FROM AN AQUEOUS MEDIUM

Malokhat Nurmatova Zakirjan Yuldashev

31.03.2025 322

15. Medicinal chemistry

ДИНАМИКА НАКОПЛЕНИЯ РАСТИТЕЛЬНЫХ ПИГМЕНТОВ В ЛИСТЬЯХ Amelanchier alnifolia В ТЕЧЕНИЕ ВЕГЕТАЦИОННОГО ПЕРИОДА

Issagat Railya Maksotova Altyngul Akatyev Nikolay

20.03.2025 595

21. Biochemistry

APPLICATION OF ELECTROCHEMICALLY ACTIVATED WATER TO IMPROVE THE SOWING QUALITY OF WATERMELON, MELON, AND PUMPKIN SEEDS

Aziza Abdikamalova Makhpuza Tashkent Aziza Burkhonova Rakhmonzhon Akbarov

28.03.2025 378

22. Plant physiology and biochemistry

МИКРОБИОЛОГИЧЕСКИЙ АНАЛИЗ БИОМАССЫ ПИЩЕВЫХ НАСЕКОМЫХ Tenebrio molitor

Salomova Sayyora Samadovna Turabekova Dilorom Khujamshukurov Nortozhi

25.03.2025 884

23. Biotechnology (including bionanotechnology)

EVALUATION OF ENZYMATIC ACTIVITY IN CHRONICALLY PESTICIDE-CONTAMINATED SOILS

Tulkin Shonakhunov Abdulaziz Ibragimov Zahro Akhmedova Gulchekhra Kadirova Takhir Khusanov

19.03.2025 611

23. Biotechnology (including bionanotechnology)

РАСТЕНИЯ СООБЩЕСТВА "MIXTO-CALLIGONETA", ШИРОКО РАСПРОСТРАНЕННОГО В УСЛОВИЯХ КАРШИНСКОЙ ПУСТЫНИ

Chariev Rashid Ravshanovich

24.03.2025 601

27. Botany

INDIVIDUAL AND COLLECTIVE BEHAVIOR OF UNICELLULAR ORGANISMS

Sergey Ognivtsev

27.03.2025 411

29. Microbiology

INFLUENCE OF MICROORGANISMS ON THE ENZYMATIC ACTIVITY OF SOILS POLLUTED WITH HEAVY METALS

Gulchekhra Kadirova Tulkin Shonakhunov Aziza Usmankulova Dilnoza Turakulova Takhir Khusanov Ilkhom Khalilov

12.03.2025 524

29. Microbiology

INGREDIENT AND NUTRIENT ANALYSIS OF VETERINARY DIETS FOR DOGS WITH LIVER DISEASES

Irina Selivanova

30.03.2025 539

30. Zoology

EXPERIENCE OF CULTIVATION OF TILAPIA (Оreochromis mossambicus) IN AQUACULTURE USING Hermetia illucens FLY LARVAE

Kamol To’ychiyev Elena Ginatullina

14.03.2025 596

32. Ichthyology

SOME ASPECTS OF THE STUDY OF FIBER COLOR INHERITANCE IN COTTON HYBRIDS OF THE SPECIES G.hirsutum L.

Rukhsora Rakhmonova Malokhat Khalikova Mohirabonu Sadriddinova

13.03.2025 505

33. Genetics

GRAPE VARIETIES SUITABLE FOR THE CONDITIONS OF LOW-FERTILITY, ROCKY-GRAVELLY SOILS OF THE FERGANA REGOIN

Adkham Mahmudov Khayrullo Aliyev

13.03.2025 338

40. Biological resources

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