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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Биология и естествознание
  • 61. Changes in the pigment composition of Rhodopseudomonas yavorovii IMB B-7620 under the influence of heavy metal salts

    Under the influence of heavy metal compounds, changes in the qualitative and quantitative composition of pigments occur in the cells of bacteria R. yavorovii IMV B-7620. Ferric(III) citrate, cobalt(II) chloride and potassium bichromate caused a decrease.

    статья (389,8 K)
  • 62. Characteristics and species composition of the subalpine and alpine grasslands of Goygol National Park

    The grassland vegetation of Goygol National Park and the lake ecosystem it surrounds is one of the floristically rich regions of the Caucasus. The richness and diversity of flora is related to the complexity of the area. The protection of vegetation.

    статья (424,9 K)
  • 63. Chlorophyta континентальних водойм Донецько-Приазовського Степу

    Вивчення видового складу Chlorophyta (зелених водоростей) континентальних водойм Донецько-Приазовського степу. Визначення розподілу їх видового складу згідно фізико-географічних областей. Дослідження морфологічних особливостей деяких представників.

    автореферат (54,3 K)
  • 64. Chlorophyta континентальних водойм Донецько-Приазовського Степу (Україна)

    Вивчення зелених водоростей (відділ Chlorophyta). Обґрунтування необхідності створення альгорезерватів у еталонних екосистемах. Встановлення значної географічної диференціації Chlorophyta різних фізико-географічних областей Донецько-Приазовського Степу.

    автореферат (63,0 K)
  • 65. Chlorophyta некоторых водоемов Левобережного Полесья (Украина)

    Исследование видового состава водорослей болот и торфяных карьеров Левобережной части украинского Полесья. Открытие новых видов флоры в Украине. Распределение видового состава Chlorophyta болот и торфяных карьеров по классам и порядкам водорослей.

    статья (425,5 K)
  • 66. Closure of Earth’s biosphere: evolution and current state

    Potential of living organisms. Stages of the formation of the biosphere in the context of closure and possible approaches to resolving the paradox. The effect of stoichiometric constraints on the formation of closed material flow in simple ecosystems.

    статья (44,6 K)
  • 67. Collemopsidium kostikovii sp. nov. (Collemopsidales, Xanthopyrenaceae), a new algicolous fungus on terricolous Nostoc crust from Ukraine

    Description of algicolous fungi Collemopsidium kostikovii, its special characteristics. Narrow outlet, association with soil cyanobacteria - as the main difference between a new species of mushroom from C. Iocarpum, the similarity of their structure.

    статья (187,6 K)
  • 68. Color Atlas of Biochemistry

    Monosaccharides and disaccharides. Glycosaminoglycans and dlycoproteins. Energy conservation at membranes. Tricarboxylic acid cycle. Transamination and deamination. Amino acid biosynthesis. Cenetic engineering in medicine. Control of muscle contraction.

    книга (13,4 M)
  • 69. Combined exposures to low roundup concentration induce thiolome response in bivalve mollusk

    Characteristics of glyphosate as one of the most popular means of weed control. Analysis of the effect of a low concentration of glyphosate, which is 0.5 of the maximum ineffective concentration, in a combined exposure on freshwater bivalve molluscs.

    статья (111,7 K)
  • 70. Comparative examination of phytochemical composition of Satureja L. in the flora of the Nakhchivan Autonomous Republic

    The biomorphoecological characteristics, comparative phytochemical composition, distribution, pharmacological effects, and the possibility of use in scientific and folk medicine of species belonging to the genus Satureja L. of the genus Lamiaceae Lind.

    статья (279,7 K)
  • 71. Comparative study of rat neural cells supernatant and immunomodulatory preparations influence on the peripheral blood mononuclear cells of patients with brain gliomas in vitro

    To study the influence of the rat progenitor neurogenic cells supernatant on the peripheral blood mononuclear cells (PBMC) of patients with brain gliomas and to compare it with influence of the preparation with established immunomodulatory properties.

    статья (731,7 K)
  • 72. Comparison of the chemical composition and biological activity of brown algal polysaccharides, Red Sea, Egypt, Hur Gada

    The essence of the use of sulphated polysaccharides from algae for medical purposes. The main characteristics of determining the antioxidant activity of extracted polysaccharides depending on the method used, type of polysaccharides and type of algae.

    статья (2,2 M)
  • 73. Copepoda Calanoida of the Shatski Lakes (Ukraine)

    Finding in the Shatski Lakes 4 species of two families of Calanoida - Diaptomidae and Temoridae: Eudiaptomus gracilis, graciloides, coeruleus and Heterocope appendiculata Sars. New morphological characters of female's and male's V thoracal legs.

    статья (150,5 K)
  • 74. Cryptophyta водоёмов и водотоков Восточной Сибири (Россия)

    Исследования таксономического состава, численности, биомассы и первичной продукции представителей Cryptophyta водоёмов и водотоков, расположенных в Красноярском крае, Иркутской и Читинской областях. Биология криптофитовых, их сезонная динамика.

    статья (1,0 M)
  • 75. Current status and taxonomical composition of the natural dendroflora of the Hirkan National Park

    Inventory of natural and cultivated plant species, the impact of climate change on biodiversity, the taxonomic composition of trees and shrubs, dominant species, and the distribution areas of the studied plants in the ecosystem of Hirkan National Park.

    статья (296,3 K)
  • 76. Cyanoprokaryota разнотипных водоемов Ирана

    Результаты исследований Cyanoprokaryota в 125 водоемах Ирана. Видовое богатство и систематическая структура этих водорослей, обнаруженных в разных биотопах. Вклад альгофлоры экотопов разнотипных водоемов Ирана в видовой состав экологических групп.

    статья (110,8 K)
  • 77. Cyperus esculentus L. у Північному Причорномор’ї: інтродукція, біоморфологічні та екологічні особливості і біохімічні властивості

    Характеристика росту і розвитку рослин Cyperus esculentus, їх морфогенезу залежно від умов вегетації. Визначення особливостей використання рослинами фотосинтетичної радіації. Розробка основних елементів культивування виду в Північному Причорномор’ї.

    автореферат (38,7 K)
  • 78. Cимиальная теория происхождения человека

    Шимпанзе как наиболее близкое к человеку существо на Земле из ныне живущих приматов. Сущность и значение симиальной теории Дарвина. Теории о месте происхождения первого человека. Ценные находки антропологов и палеонтологов в конце XX и начале XXI веков.

    доклад (24,9 K)
  • 79. Cтроение среднего мозга

    Топография среднего мозга. Структура серого и белого вещества, функциональные центры. Ствол мозга сбоку и сверху. Образования среднего мозга и функции зрения и слуха, регуляция движений и поз, мышечного тонуса, эмоционально-мотивационной активности.

    реферат (3,8 M)
  • 80. Dangerous animals Russia

    The study of modern representatives of the animal environment in Russia. Description of the characteristics of the species, population, appearance, habitat, food habits and reproduction: brown bears, Amur tigers, lynxes, gray wolves, wolverines, ticks.

    презентация (1,1 M)
  • 81. Data on biology and ecology of Pseudaulacaspis pentagona (Targioni Tozzetti) (Hemiptera: Diaspididae) on fruit trees in the Peloponnese

    Sampling of infested branches of mulberry trees and by examining them in the laboratory, during the years 2016—2018. The main natural enemies of Pseudaulacaspis pentagona recorded in the area of Kalamata. Planning of effective integrated control program.

    статья (562,5 K)
  • 82. Determination of xanthones in plants and the nutrient medium under in vitro cultivation conditions

    Xanthone, their biological activity: anti- carcinogenic, antiviral, antibacterial, antioxidant, anti-inflammatory etc. Dodifications of the method for determining the content of xanthones in material and nutrient medium to the in vitro conditions.

    статья (47,6 K)
  • 83. Development and validation of loop-mediated isothermal amplification (LAMP) for detection of leptospir genetic material

    Calculation and insitu and invitro analysis of five primer sets. Indicators of analytical sensitivity, detection limits of the method, specificity of the method in testing it with homologous and taxonomically similar selected heterologous samples.

    статья (967,0 K)
  • 84. Diseases and pests species of Berberis l. In absheron condition

    The use of disease and pest resistant species in landscape design contributes to the effectiveness of green plantings. For this purpose, the pests Berberis L. and control measures in the dry subtropical climate of the Absheron Peninsula were studied.

    статья (1,5 M)
  • 85. Distribution and number of common myna Acridotheres tristis (Linnaeus, 1766) in different habitats of the Kyzylkum region

    Study of the habitat of the common myna A. tristis (Linnaeus, 1766) in anthropogenic landscapes, natural landscapes with anthropogenic elements, agrocenoses and settlements. Study of the main factors that ensure the emergence of Acridotheres tristis.

    статья (305,2 K)
  • 86. Distribution Diaspididae (Insecta) and control methods

    Causing damage to Diaspididae, Pseudococcidae and Coccidae. Major pests of crops and ornamental plants. The main issues in scale insect management. Systemic products containing dinotefuran, acetamiprid, or thiamethoxam in armored scale management.

    статья (292,7 K)
  • 87. Distribution of nutrients in different organs of plants of miscanthus Аnderss Genotypes

    Cumulation of biochemical substances in the organs of varieties and forms of Miscanthus Anderss in the conditions of the National Botanical Garden. The appearance of dry matter in the period of full seed maturity in plant material of Miscanthus genotype.

    статья (151,2 K)
  • 88. Distribution of the gilthead seabream, Sparus aurata Linnaeus, 1758 (Perciformes) in waters of Ukraine

    The investigation of the number of golden-headed sea bass in the basins of the Azov and Black Seas adjacent to the territory of Ukraine. Cultivation of Sparus aurata Linnaeus in the Dnieper-Bug Estuary. Formation of the Dorada population near the Crimea.

    статья (1,1 M)
  • 89. Distribution of the termite Reticulitermes lucifugus (Isoptera) and the specifics of its invasion in Ukraine

    Description of the finds in Sumy and Sumy Oblast. Each place of termite record were located in different parts of the city. The analysis of termite finds in Ukraine indicates the spread of termites to north-east from the Northern black sea region.

    статья (286,3 K)
  • 90. DNA fragmentation and endonuclease activity under the effect of herbicides acetyl-COA-carboxylase and acetolactat synthase inhibitors

    Test the hypothesis that pathogenesis induced in sensitive plants by ALS- and ACC-inhibiting herbicides is an active process which involves programmed cell death. A reliable marker of PCD is DNA fragmentation, which is carried out by endogenous nucleases.

    статья (3,2 M)

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