O‘zbekiston ilmiy maqolalari bazasi — 2661-sahifa

OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.

• Synthesis, methylation, and acylation of 1,2-dihydrodeoxyvasicinones and their homologs

  Kh. М. Shakhidoyatov, G. A. Belova · Химия природных соединений · 1990-09-01

• Bicyclic monoterpenoids of the essential oil of Ledum palustre

  N. I. Belousova, V. A. Khan · Химия природных соединений · 1990-09-01

• A sulfated glycoside from the preparation “tribestan”

  Н. Е. Мащенко, R. Gyulemetova, P. K. Kintya, А. С. Шашков · Химия природных соединений · 1990-09-01

• Interaction of lignosulfonate with certain metal ions

  A. M. Khvan, Kh. A. Abduazimov · Химия природных соединений · 1990-09-01

• Lipids of marine macrophytic algae. II. Fatty-acid and phospholipid composition of the chlorophyceae

  V. M. Dembitskii, О. А. Розенцвет, E. E. Pechenkina · Химия природных соединений · 1990-05-01

• Preparation of N-(β-acetoxyethyl) anabasine,-brucine, -strychnine, and -cocaine iodides and a study of some of their biological properties

  L. A. Srybnaya, Z. Tulyabaev, А. А. Садыков, D. N. Dalimov · Химия природных соединений · 1990-05-01

• Chemical investigation of the biomass of a culture of ginseng cells. IV. Quantitative analysis of the ginsenosides of the total glycosidic fraction by the HPLC method

  V. V. Makhan’kov, G. V. Malinovskaya, Н. А. Константинова, N. I. Uvarova · Химия природных соединений · 1990-05-01

• Nitrogen derivatives of pinenes possessing the properties of plant retradants

  A. M. Reinbol'd, G. Morar, G. S. Pasechnik, D. P. Popa · Химия природных соединений · 1990-05-01

• Conformations of the rings and relative stabilities of isomers of trans,trans- and trans,cis-eudesman-8,12-olides

  К. М. Турдыбеков, Sergey V. Lindeman, Tatiana V. Timofeeva, Yu. T. Struchkov · Химия природных соединений · 1990-05-01

• Kinetics of the hydrolysis of biopolymers in the production of phytin

  K. A. Sabirov, A. B. Shil'shtut, A.Sh. Karabaev · Химия природных соединений · 1990-05-01

• Chemical synthesis and enzymatic assembly of fragments of the DNA coding immunodominant epitopes of human immunodeficiency virus

  M. G. Isagulyants, Sergey V. Luchin, V.D. Smirnov · Химия природных соединений · 1990-05-01

• Water-soluble linear β-1,6-D-glucan and other components of the lichen Haematomma lapponicum

  O. B. Maksimov, Р. П. Горшкова, L. S. Stepanenko, Natalia P. Mishchenko, O. E. Krivoshchekova · Химия природных соединений · 1990-05-01

• Chemical composition of the juice of the fruit ofCitrus unshiu

  É. Sh. Nizharadze, V. A. Bandyukova · Химия природных соединений · 1990-05-01

• Molecular and crystal structure of the sesquiterpene lactone ketopelenolide A

  M. K. Makhmudov, B. Tashkhodzhaev, S. Kh. Zakirov · Химия природных соединений · 1990-05-01

• Synthesis of an analogue of the phospholipid platelet activation factor from a natural ethanolamine plasmalogen

  V. I. Kulikov, A. A. Dergousov · Химия природных соединений · 1990-05-01

• Vegetable tanning substances. Dependence of the tanning properties of extracts on their composition

  Sh. Yu. Islambekov, A. K. Karimdzhanov, S. M. Mavlyanov, А. И. Исмаилов · Химия природных соединений · 1990-05-01

• Synthesis of methyl 2,6- and 3,6-dideoxy-α-L-arabino-hexopyranosides and methyl 4,6-dideoxy-α-L-lyxo-hexopyranoside

  Е. В. Евтушенко, Yu. S. Ovodov · Химия природных соединений · 1990-05-01

• Crystal and molecular structure of 2e-diethylamino-3e,4e-dimethyl-5e-phenyl-2a-thio-1,3,2-oxazaphospholane

  А. М. Газалиев, M. Zh. Zhurinov, О. А. Нуркенов, К. М. Турдыбеков, S.V. Lindeman, Yu. T. Struchkov · Химия природных соединений · 1990-05-01

• Isolation of preparations with a high content of eicosapentaenoic acid from the red marine alga Palmaria stenogona

  N. A. Romashina, V. E. Vas’kovskii · Химия природных соединений · 1990-05-01

• Characterization of the carotenoid complex of the leaves of different varieties of subtropical persimmon

  G. M. Fishman, D. M. Chikovani · Химия природных соединений · 1990-05-01

• Influence of ammonium citrate on the intrinsic viscosity of a pectin solution

  Kh. T. Salomov, F. M. Kadyrov, Х С Султанов · Химия природных соединений · 1990-05-01

• Sesquiterpene lactones of Eupatorium cannabinum

  А. Г. Котов, R. E. Darmograi, G. G. Rosik, N. F. Komissarenko, L. Ya. Ladnaya · Химия природных соединений · 1990-05-01

• Study of solvato complexes of polyphenols by UV spectroscopy

  E. N. Gritsenko · Химия природных соединений · 1990-05-01

• Phospholipid composition of prostaglandin extracts of some marine invertebrates with different degrees of prostaglandin-like activity

  Elena Katrich, S. V. Isai, T. Ya. Mishchenko · Химия природных соединений · 1990-05-01

• Production of sorbents for reversed-phase chromatography by the alkylation of the surface of silica gel with alcohols

  V. I. Grishkovets, A. A. Poloiko, V. Ya. Chirva · Химия природных соединений · 1990-05-01

• Synthesis of oligodeoxyribonucleotides containing 1,2-dideoxy-D-ribofuranose

  Е. М. Волков, Е. А. Кубарева, В. Н. Сергеев, Tatiana S. Oretskaya · Химия природных соединений · 1990-05-01

• Pulchellin C from Inula caspica

  С. М. Адекенов, M. A. Abdykalykov · Химия природных соединений · 1990-05-01

• Gas-chromatographic investigation of the products of the thermolysis of hydrolysis lignin

  T. S. Kaplunova, Kh. A. Abduazimov, P. L. Ismailova, B. É. Shermatov · Химия природных соединений · 1990-05-01

• Polyphenolic compounds of Astragalus karakuschensis

  Н. Н. Гужва, L. S. Sarkisov, S. F. Dzhumyrko, Yu. V. Prudnik · Химия природных соединений · 1990-05-01

• Synthesis of 17E- and 17Z-Cheilanthene-13α, 19-diols

  M. D. Ungur, Nguyễn Văn Hùng, P. F. Vlad · Химия природных соединений · 1990-05-01

• Synthesis of 20-deoxoluteone

  P. F. Vlad, Nicon Ungur, Nguyen Van Hung · Химия природных соединений · 1990-05-01

• Avarol and isoavarol from a Pacific Ocean sponge Dysidea sp.

  Larisa K. Shubina, Sergey N. Fedorov, Valentin A. Stonik, A. S. Dmitrenok, В. В. Исаков · Химия природных соединений · 1990-05-01

• Ursolic acid from leafy shoots of Viscum album

  Olga Popova, D. A. Murav'eva · Химия природных соединений · 1990-05-01

• Alkaloids of Aconitum coreanum. III. 13-Acetyl-14-hydroxy-2-isobutyrylhetisine N-oxide

  I. M. Yusipova, B. Tashkhodzhaev, I. A. Bessonova, Marat S. Yunusov, M. R. Yagudaev, V. G. Kondrat'ev, A. I. Shreter · Химия природных соединений · 1990-05-01

• Structural analogues of bradykinin and other vasoactive peptides in the venom of the wasp Polistes gallicus

  I. F. Mukhamedov, V. M. L’vov, А. А. Ахунов · Химия природных соединений · 1990-05-01

• Alkaloids of Aconitum coreanum. IV. 14-Hydroxy-2-isobutyrylhetisine N-oxide

  I. A. Bessonova, L. N. Samusenko, Marat S. Yunusov, V. G. Kondrat'ev · Химия природных соединений · 1990-05-01

• Alanto- and isoalantolactones

  I. A. Milman · Химия природных соединений · 1990-05-01

• Phytoecdysteroids of plants of the genus Silene. XVII. Ecdysterone 22,25-di-O-benzoate from Silene scabrifolia

  A. Saatov, Н. Д. Абдуллаев, M. B. Gorovits, N. K. Abubakirov · Химия природных соединений · 1990-05-01

• Phenolic compounds of Helichrysum italicum

  G. G. Zapesochnaya, T. V. Dzyadevich, B. S. Karasartov · Химия природных соединений · 1990-05-01

• Withasteroids of Physalis. X. Circular dichroism of withasteroids from plants of the genus Physalis

  G. P. Moiseeva, O. E. Vasina, A. K. Abubakirov · Химия природных соединений · 1990-05-01

• Withasteroids of Physalis. IX. Physangulide — The first natural 22S-withasteroid

  O. E. Vasina, Н. Д. Абдуллаев, N. K. Abubakirov · Химия природных соединений · 1990-05-01

• Biosystematics of glycyrrhiza glabra l glycyrrhiza uralensis fisch and glycyrrhiza korshinskyi g grig

  A. A. Ashurmetov, Kh. K. Karshibaev · O‘zbekiston biologiya jurnali · 1990-03-07

• Temperature and development of cotton on ridges.

  A. Zakirov, A. G. Nabiev, B. Gafurov, V. Subkhankulov · O‘zbekiston biologiya jurnali · 1990-01-01

• Effect of different concentrations of fluoride compounds on some physiological and biochemical processes in plants.

  N. N. Novaev, S.V. Arslanova, A. Ch. Nazarov, L. Ya. Seĭfulina, É. A. Khaïdarov · O‘zbekiston biologiya jurnali · 1990-01-01

• Changes in chlorophyll and carbohydrate contents during different maturation stages of tobacco leaves.

  Ė. U. Umurzakov · O‘zbekiston biologiya jurnali · 1990-01-01

• Integration of cotton tolerance of wilt with other agricultural properties.

  S. S. Sadykov, S. Sultanov, V A Zadorozhnaya · O‘zbekiston biologiya jurnali · 1990-01-01

• Soil enzyme activity and increase in yield of cotton grown in an active anti-wilt crop rotation.

  M. T. Salikhbaeva, G. Dzhamalov, Ė. M. Ismailov, А.Д. Пулатова, Sh. Dzhuraeva · O‘zbekiston biologiya jurnali · 1990-01-01

• Distribution of mermithids in biotopes in the Tashkent region.

  N. M. Matchanov, B. Kh. Siddikov, U. Ė. Abdullaeva · O‘zbekiston biologiya jurnali · 1990-01-01

• Some diagnostic features of the resistance of plants in polluted conditions.

  P. K. Zakirov, E. I. Girshevich, Z. Z. Tashmukhamedova · O‘zbekiston biologiya jurnali · 1990-01-01

• Extraction of antibiotic protein from cotton seed.

  R. K. Shadmanov, G. B. Khalilova, V. E. Khokhlacheva · O‘zbekiston biologiya jurnali · 1990-01-01