OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
- Мустақил таълимда web ва таълим технологияларидан ҳамкорликда фойдаланиш орқали талабаларда инновацион қарашларни шакллантириш
Атаджанов, Х. · Ilim ha’m ja’miyet · 2020-02-10
The article deals with modern methods of organizing independent work of students in their preparation to use information and communication technologies. The urgency of the problem is due to the requirements of employers…
- Fazoda tekislikka va to`g`ri chiziqqa nisbatan simmetrik almashtirishlarning umumlashgan formulalari
Abjalilov, S.X. · Ilim ha’m ja’miyet · 2020-02-10
The article contains information about the analytical expression of actions in space. It presents the methodology of finding the generalized formula of symmetry in straight line and plane in space.
- Clinical and functional changes in hard tissues of teeth in patients with hemophilia
Norbutaev , Alisher, Shamsiev , Mukhiddin, Nazarova, Nodira, Норбутаев, Алишер, Шамсиев , Мухиддин, Назарова, Нодира, Норбутаев, Алишер, Шамсиев , Мухиддин, Назарова, Нодира · Жамият ва инновациялар / Общество и инновации / Society and innovations · 2020-02-10
Hereditary coagulopathies characterized by reduced blood clotting occupy a special place among diseases of the blood system. The most common of these are hemophilia and Willebrand's disease. Hemophilia-the disease of…
- Some issues of admissibility of electronic evidence
Mamatkulova, Khosiyat, Маматкулова, Хосият, Маматкулова, Хосият · Жамият ва инновациялар / Общество и инновации / Society and innovations · 2020-02-10
This article discusses some issues of ensuring the admissibility of electronic evidence, the specifics of such evidence. The author provides suggestions for ensuring the admissibility of electronic evidence in criminal…
- Selection of optimal conditions for the cultivation of insect cells for use in biotechnology
Khasanоv Shuhrat, Sasmakоv Sobir, Abdurakhmanоv Jaloliddin, Ashirоv Оybek · Kimyo va kimyo texnologiyasi · 2020-01-15
- Study of Pt (II) ion sorption on polymeric sorbents impregnated by organic ligands
PARDAEV Otabek. Tuhtamishоvich, DAMINOVA Shakhlo Sharipovna, ShARIPOV Khasan Turabovich · Kimyo va kimyo texnologiyasi · 2020-01-15
The sorption and complex-forming properties of PAD600-based impregnated sorbents with respect to the Pt (II) ion were studied. The parameters of sorption extraction of platinum ions are determined. It was found that…
- Cleaning gas emissions from carbon dioxide
Bakhronov Khashim Shayimovich, Аkhmаtоv Аbdumalik Аbduvakhobovich, Ganieva Sabokhat Uktamovna, Suyarova Hilola Hakimovna · Kimyo va kimyo texnologiyasi · 2020-01-15
The description of a pilot plant and results of a research of intensity of a heat mass transfer are provided and hy-draulic resistance at various initial concentration of the absorbed gas and relations of an expense of…
- Research on the process of obtaining industrial important from wheat straw
Kedelbayev Bakhytzhan, Rakhmanberdiev Gaffar, Lahanova Kulzada, Kalymbetov Gani · Kimyo va kimyo texnologiyasi · 2020-01-15
The aim of this work was to develop a process of chemical hydrolytic hydrogenation of cellulose wheat straw, with the aim of increasing the yield of valuable products necessary for the biotechnology, pharmaceutical and…
- Selection of optimal conditions for the cultivation of insect cells for use in biotechnology
Khasanоv Shuhrat, Sasmakоv Sobir, Abdurakhmanоv Jaloliddin, Ashirоv Оybek · Kimyo va kimyo texnologiyasi · 2020-01-14
- Synthesis and study of the products of the interaction of diethanolamine and aldehyde.
Magrupov Farkhad Asadullayevich, Alimukhamedov Muzaffar Ganiyevich, Adilov Irkinovich, Khudoyberdiev Akhmadali · Kimyo va kimyo texnologiyasi · 2020-01-14
The influence of the nature of aldehydes of the structure of the products of their interaction with diethanolamine was studied. It was found that the interaction of one mole of diethanolamine with one mole of aldehyde…
- Obtaining of magnesium hydroxide from dolomite from the dehkanabad deposit
Mixliyev Oybek, Bobokulova Oygul, Tadjiev Ilkham, Mirzakulov Kholtura Chorievich · Kimyo va kimyo texnologiyasi · 2020-01-14
It was shown that the effect of pH on magniy hydroxide sediment degree in chemical pure solution content of dolo-mite which is affected by nitrogen acid. It was determined that sedimented based amound of magniy when the…
- Properties of model rubber compounds with modified Angren kaolin
Vapaev Murodjon Dusummatovih, Teshabaeva Elmira Ubaydullaevna, Ibadullaev Ahmadjon · Kimyo va kimyo texnologiyasi · 2020-01-14
As a result of studies, the effect of modified Angren kaolin on the properties of elastomeric compositions based on synthetic polyisoprene and oil-filled styrene-butadiene rubbers were revealed. Plastoelastic and…
- Development of a method of oriented immobilization of lipases on a solid carrier
Ziyavitdinov Jamolitdin Fazlitdinovich, Inogamov Utkir Kudratillayevich, Berdiev Nodir Sharifovich, Ishimov Uchkun Jomuradovich · Kimyo va kimyo texnologiyasi · 2020-01-14
The methods of oriented immobilization of lipases on a solid carrier - Silochrome C-80 have been developed. The resulting sorbents were tested in the process of obtaining biodiesel from cotton oil. It was shown that…
- Extraction of the cotton cake by the influence of pulse electric field
Kayimov Fazliddin, Mazhidov Qahramon · Kimyo va kimyo texnologiyasi · 2020-01-14
The technology of extraction of cotton cake by the influence of a pulsed electric field on the extracted mass is researched. The dependence of the specific conductivity on the inverse temperature using the influence of…
- Research of physical and chemical indicators and food value of semi-finished products of sauce-past of fruits and vegetables
Atakhanov Shukhrat, Dadamirzaev Muzaffar, Akramboev Rasuljon, Otakhanov Shokirjon · Kimyo va kimyo texnologiyasi · 2020-01-14
Development of technology for the storage and processing of fruits and vegetables and an increase in the degree of consumption of pro-cessed products among the population is an urgent problem of the present…
- Analysis of the chemical potential of two-dimensional electronic gas AT low temperatures
Байматов, П.Ж., Гулямов, А.Г., Абдулазизов, Б.Т., Махмудов, А.С. · O‘zbekiston fizika jurnali · 2020-01-13
The behavior of the chemical potential µ of a two-dimensional electron gas near the bottom of the miniband and far from it is considered. Low-temperature analytical formulas are obtained under the conditions of the…
- Technical decisions to improvement the technology of manufacture of flotation potassium chloride
MIRZAKULOV Kholtura, KALANOV Gayrat, DORMESHKIN Oleg, USMANOV Ilkham · Kimyo va kimyo texnologiyasi · 2020-01-12
Results of researches and calculations summarized for improving the technology of flotation potassium chloride from sylvinites of the Tyubegatan deposit. The possibility of decrease production costs associated with the…
- Determination of amino acids buffer of soluble proteins of the Aral sea Artemia cyst
KHAJIBAYEV Quvvat, BERDIMBETOVA Gulsara, QARLIBAYEVA Bakhtigul, OSHCHEPKOVA Yuliya · Kimyo va kimyo texnologiyasi · 2020-01-12
For the first time, the amino acid composition of the buffer of soluble proteins of the Artemia cyst of the Aral Sea was determined. The determination of the qualitative and quantitative amino acid content of the buffer…
- Influence of nanostructural catalyst in the synthesis of allyl phenyl ether and of its isomerization products
MUSAEV Khusniddin, Azimova Gulmira, TAJIMUKHAMMEDOV Khabibulla, Yuldashevа Mukhabbat · Kimyo va kimyo texnologiyasi · 2020-01-12
Attention to 2-allylphenol (2-AF) and its synthesis is due by the fact that this compound is the starting material for the production of a number of biologically active natural compounds, such as synthetic fungicide. A…
- Synthesis of pyridine bases and application as corrosion inhibitors
SARSENBAEV Nurlan Tenelbayevich, KADIROV Xasan Irgashevich · Kimyo va kimyo texnologiyasi · 2020-01-12
The aim of this work was to obtain corrosion inhibitors. It has been established that heterocyclic compounds, including pyridine and its derivatives, are more frequently used as the active component in the combination…
- Alkinylation reactions of benzaldehyde by ethynylbenzene in the presence of some catalysts
ABDURAKHMANOVA Saida, ZIYADULLAEV Odiljon, Abduvahob IKRAMOV, DOBRYNKIN Nikolay · Kimyo va kimyo texnologiyasi · 2020-01-12
The synthesis of acetylene alcohol 1,3-diphenyl propin-2-ol-1, which has several reaction centers in the molecule, is studied. This product was obtained for the first time from a representative of aromatic hydrocarbons…
- Influence of conditions for alcoholysis of secondary polyethylene terephthalate on the output of bis (hydroxyethyl) terephthalate
ABDUVOKHIDOV Iqboljon, JURAYEV Asror, ALIMUKHAMEDOV Muzafar, MAGRUPOV Farkhad · Kimyo va kimyo texnologiyasi · 2020-01-12
The paper presents the results of a study of the process of alcoholysis of secondary polyethylene terephthalate ethylene glycol (EG). The main attention is paid to determining the optimal conditions for the formation of…
- Obtaining of the “green flourecent protein - gfp” in yeast of Pichia pastoris as repoter of heterological protein expression
Ashirоv Оybek, Sasmakоv Sobirdjan, Abdurakhmanоv Jaloliddin, HASANОV Shuhrat · Kimyo va kimyo texnologiyasi · 2020-01-12
Based on pPIC3.5 and pPIC9 yeast vectors the recombinant plasmid DNA pPIC3.5-GFP (8464 bp) and pPIC9-GFP (8718 bp) containing cDNA (719 bp) of Green fluorescent protein (GFP) were cloned. The obtained plasmids were…
- Phase changes in crystallization of some glasses synthesized in the RO-CaF2-P2O5-Al2O3-SiO2 system
ARIPOVA Mastura Khikmatovna, RAU Julietta V., Mkrtchyan Ripsime Vachaganovna · Kimyo va kimyo texnologiyasi · 2020-01-12
The aim of the relearn was to study the phase changes during crystallization of some compositions of biocompatible glasses obtained in the RO-CaF2-P2O5-Al2O3-SiO2 (R=Zn, Mg) system. For this purpose, crystallization of…
- Improving bakery properties in the preparation of wheat flour from local wheat grains
RAVSHANOV Suvankul, KODIROV Оrifjon, RAMAZANOV Rozik, MUSAEV Khasanjon · Kimyo va kimyo texnologiyasi · 2020-01-12
The article is devoted to the study of the physicochemical properties of water used to prepare wheat grain for sorting grinding. The physical and chemical properties of water for hydrothermal treatment, obtained from…
- Interfacial contact surface and the size of the bubble in a bubbling extractor when mixing liquid phases with an inert gas
Karimov Ikromali Tojimatovich · Kimyo va kimyo texnologiyasi · 2020-01-12
The mixing of the liquid phases is carried out in the inner and outer zones of the apparatus. The main indicator of the mixing process is estimated by increasing the efficiency of the mass transfer process. This…
- Crystal structure of the cadmium complexes with 2-amino-1-methylbenzimidazole
RAHMONOVA Dilnosa, KADIROVA Zuhra, HOJAMAMBERDIEV Mirabboss, DAMINOVA Shakhlo · Kimyo va kimyo texnologiyasi · 2020-01-12
The aim of this work is the synthesis, study of the crystal and molecular structure of coordination compounds of cadmium with 2-amino-1-methylbenzimidazole. For the first time, the crystal structures of mixed ligand…
- Production of a layer of microcrystals of transition metals on the anodized surface of aluminum
Турсункулов, О.М., Ибрагимова, Э.М., Искандаров, Н.Э., Улугмурадов, С.Э., Юсупов, Х.Т., Баиев, М., Махмудов, М.А. · O‘zbekiston fizika jurnali · 2020-01-10
The formation of the porous aluminum oxide on surface by the electrochemical method was investigated. This phenomenon is associated with simultaneous processes of formation and dissolution of the aluminum oxide in…
- Study of diffusion and electrophysical properties of erbium, thulium, samarium and ytterbium in silicon
Назиров, Д.Э., Жураева, М.Ф., Фармонова, Ш.Ю. · O‘zbekiston fizika jurnali · 2020-01-09
By the complex methods of labeled atoms (169Er, 170Tm , 153Sm и 175Y b ), autoradiography, measurements of electrical conductivity and Hall effect, isothermal relaxation of capacitance and current, diffusion, solubility…
- Букрипашша (phoridae curtis,)
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Ўзбекистоннинг тоғ ва тоғолди яйловларида учрайдиган зарарли чигиртка турлари
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Ўсимликлар ҳимояси ялқовликни ёқтирмайди
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Малларанг мармар қандала — хавфли ҳашарот
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Хоразмликлар бўш келишмайди
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Наманган Вилоятининг қир- адирли тошлоқ ерларида янги стимуляторларнинг ғўза барг юзаси ва ҳосилдорлигига таъсири
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Ўтлоқи-бўз тупроқларда такрорий экинларни етиштириш технологияларининг самарадорлиги
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Экинларни зараркунандалардан ҳимоя қилишда учувчисиз учиш агрегатларидан фойдаланиш
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Сўрувчи зараркунандалар муаммоси
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Шаҳар мўйловдори (aeolesthes sarta sol) билан зарарланган дарахтлар
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- “Саломат” навининг биометрик ва ҳосилдорлик кўрсаткичларига суғориш тартиблари ва ўғитлаш меъёрларининг таъсири
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Стандартлаштириш тараққиёт гаровидир
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Интенсив мевали боғларда калифорния қалқондорларига Қарши “Хектолинеум” 5%, сус.к. Препаратининг самарадорлиги
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Тирноқгул (calendula offisinalis l.) зараркунандаларининг тур таркиби ва тарқалиши
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Илмий ёндашув - юқори ҳосил гарови
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Пестицидлар ва биологик фаол моддаларни кузги юмшоқ буғдойнинг барг сатҳи ҳамда ҳосилдорлигига таъсири
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Морфобиологическая характеристика коллекционных сортообразцов томата
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Боғдорчилик ва узумчилик соҳасида иқтисодий ислоҳотларни чуқурлаштириш озиқ-овқат хавфсизлигини таъминлашнинг муҳим омилидир
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Такрорий экин ҳисобланган, оқбош карам етиштиришда суғориш ва ўғитлаш меъёрлари
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Ўрмонзорлардаги ёнғоқ зараркунандаси
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08
- Илмга таянган доғда қолмайди
Muallif · Agro kimyo himoya va o‘simliklar karantini (O‘simliklar himoyasi va karantini) · 2020-01-08