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сколько стоит заказать работу? коллекция "otherreferats"
Главная Коллекция "Otherreferats" Биология и естествознание
  • 391. Species composition of shell mollusks of the Brest fortress (Belarus)

    16 species of land mollusks on the territory of the Brest Fortress. A high degree of difference between the species composition of sites with meadow and woody vegetation. Establishing the distribution of mollusks. Soil cover density and type of litter.

    статья (326,6 K)
  • 392. Species included in the genus Sorbus L. which spread in the flora of the Nakhchivan Autonomous Republic

    The identifies the types of Sorbus L plants that are new to the flora of the Nakhchivan Autonomous Republic. The research includes information on species synonyms, distribution patterns in altitude zones, biotope, flowering and fruit ripening periods.

    статья (25,3 K)
  • 393. Spread and morphological-structural properties of plant rhabdoviruses and similar pathogens in Basidiomycetes

    Distribution of rhabdoviruses, their harmfulness to different types of plants in conditions of environmental factors. Comparative characteristics of rhabdoviruses with similar pathogens on the pileate fungi. The morphology and structure of the pathogens.

    статья (564,9 K)
  • 394. SSR-маркування кількісної ознаки "урожайність зерна" у кукурудзи

    Виявлення специфічності алелів маркерних локусів для фенотипного прояву полігенної ознаки "урожайність зерна". Визначення можливості добору цінних генотипів. Перевірка маркуючої здатності визначених SSR-локусів у різних умовах вирощування кукурудзи.

    статья (197,6 K)
  • 395. Staphylea pinnata L. (клокичка периста) у Буковинському Передкарпатті і Прут-Дністровському межиріччі

    Морфологічна характеристика та біологічні особливості Staphylea pinnata. Динаміка росту та розвитку пагонів. Аналіз фітоценозів за участю даного виду. Визначення вікової та просторової структури популяцій. Розробка методів розмноження клокички перистої.

    автореферат (80,9 K)
  • 396. Strategies and challenges of artificial forest reproduction in the forest-steppe zone: Experience of the Korsun-Shevchenkivskyi forest enterprise branch

    One of the problems that arise in the reproduction of forests in the paradigm of sustainable development of the forest industry is the volume of reforestation, which requires its correlation. This problem requires attention, since effective afforestation.

    статья (819,8 K)
  • 397. Structural adaptation of cell walls of Chlorella Vulgaris the action of ions of zinc and lead

    The detection of specific and nonspecific cells, the involvement of membrane structures in building resilience Chlorella Vulgaris in the action of ions and the mumps, zinc. A description of the changes in the cell walls. Biomarkers of toxicity using.

    статья (250,5 K)
  • 398. Structure of skeletal muscles after hypokinesia and physical loading of middle aerobic power

    Determining the degree of destructive changes in skeletal muscles in dependence on the term of hypokinesiа limitation. The role of kinesitherapy in the repair processes and renewal of structurally-functional properties of muscles after hypokinesiа.

    статья (696,6 K)
  • 399. Structure of water for origin of life and living matter

    Study of the structure of water as the basis for the origin of life. The structure of water molecules and hydrogen bonds caused by electrostatic forces and donor-acceptor interactions between neighboring hydrogen and oxygen atoms in water molecules.

    статья (1015,9 K)
  • 400. Study of enzymatic activity of metabolic complex of Bacillus subtilis for development of enzyme preparations

    Results of screening the general hydrolytic, amilolytic, proteolytic activities of strains Bacillus subtilis isolated from soil. The effect of pH, temperature, type of cultivation, substrate on the enzymes activities of isolated strains were studied.

    статья (84,8 K)
  • 401. Study of fauna and ecology of species belonging to entodynimorpha in the regions of Nakhchivan Autonomous Republic

    Study of the main role of ciliated ciliates in the use of feed and the impact of symbiosis with ruminants on the environment. Peculiarities of comparing rumen fermentation and microbial profiles of cattle or sheep or the use of in vitro cultures.

    статья (238,9 K)
  • 402. Study of species of Campanula L. subgenus found in Karabakh and Zangezur flora

    Study of the genus Campanula, widespread in the northern hemisphere and of importance for the flora of the Caucasus. Comparison of the history of the study of the genus, its geographical distribution, and taxa found in the flora of Karabakh and Zangezur.

    статья (176,5 K)
  • 403. Study of the amino acids composition of Kochia scoparia (L.) Schrad

    Kochia scoparia Schrad is an herbaceous, xerophytic, ornamental plant that belongs to the family Amaranthaceae Juss. In the traditional medicine of China, Japan and Korea, the fruits of Kochia scoparia Schrad are used to the treatment of skin diseases.

    статья (23,3 K)
  • 404. Study of the bioactive properties, radical scavenging activity and phenolic profiles of extracts Crocus cancellatus subsp. mazziaricus (Herb.) B. Mathew, 1982

    People have used plants as a medicine to treat diseases for many years. Plants are widely used in folk medicine in different countries and are a source of potent drugs. The content of phenols and flavonoids is equivalent to gallic acid and quercetin.

    статья (160,8 K)
  • 405. Study of the genome diversity of Cornus L. AND Mespilus L. cultivated in the Northern regions of Azerbaijan

    Cranberry and medlar are common in the Guba, Gusar, and Sheki Northern regions of Azerbaijan. A study was conducted to determine the habitats of wild growing forms and biomorphological features. Identification was carried out based on molecular markers.

    статья (21,7 K)
  • 406. Subalpine meadow vegetation of Talish highlands of Azerbaijan

    The improvement of natural phytocenosis productivity, crop quality, protection of their genetic reserve and landscapes, as well as the vegetation study for solution of protection problems on the base of scientific means is of a great importance.

    статья (23,4 K)
  • 407. Synthesis of amides and salts of oxalic acid and their use as plant growth regulators

    It can be concluded that salts and amide derivatives of oxalic acid have a pronounced regulatory property during the maturation of pea and corn seeds. In this regard, they are recommended as growth stimulants for these plants in agricultural practice.

    статья (628,6 K)
  • 408. Taphonomy and paleoecology of fauna and flora from deltaic sandstones of Mospinka Formation (Middle Carboniferous) of Donets Basin

    Изучены тафономические и экологические особенности преимущественно неморской фауны и наземной флоры из двух дельтовых песчаников средней части моспинской свиты (верхняя башкира, нижняя пенсильвания). Показаны ископаемые почвы башкирского яруса Донбасса.

    статья (6,5 M)
  • 409. Taxonomic analysis of the Cirsium Mill. genus in flora of Azerbaijan

    The study of perennial grasses and shrubs growing on the territory of Azerbaijan. Researchof representatives of the Asteraceae family, characteristic of main species. Systematic analysis of the genus Cirsium Mill. in the flora in regions of the country.

    статья (19,1 K)
  • 410. Taxonomic synopsis of Salsola genus (Mil Plain, Azerbaijan)

    Analysis conducted on bioecological features of Salsola species which are distributed in desert phytocoenosis of Mil plain of Kur-Aras lowland were given. It was also found that an anthropogenic impact in this area leads to desertification of landscapes.

    статья (10,2 M)
  • 411. Technology of modern antibiotics production

    Characterization the potential of microorganisms as producers of new antibiotics. Research of problems and prospects of biotechnological production of antibiotics in the world and Ukraine in particular. Analysis of process preparation of inoculum.

    курсовая работа (189,8 K)
  • 412. Technology of synthesis feed lysine

    Nutritional environment: source of carbon, nitrogen. Inorganic salts, microelements and growth factors. Effects of oxygen, temperature. Anti-foaming, plasmid protection. Separation of cells, ion-exchange chromatography, hard forage additive l-lysin.

    курсовая работа (582,2 K)
  • 413. Thanatocoenoses of mollusc shells in the north-western part of the Black Sea

    Composition and quantitative characteristics of storm emissions created by wave activity of varying intensity. The relationship between bottom biocenoses of mollusks and thanatocenoses of the coastal zone. Dominance of bivalve shells in emissions.

    статья (1,2 M)
  • 414. The adaptation of bloodsucking black flies to feeding on warm-blooded animals

    Simuliidae morphological adaptations to suck the blood are combined into several groups: habitus, sensory vesicle of maxillary palp (lutz’s organ), mouthparts, claws adaptations. Probably that the initial type of black flies hematophagy was ornithophilia.

    статья (2,8 M)
  • 415. The alterations in drosophila melanogaster lifespan due to nitric oxide synthase donorsandinhibitors influence

    Study of the effect of nitric oxide on life expectancy drosophila. Donors and inhibitors of synthase were added to medium throughout life. Increase the duration of its life under the influence of nitro-arginine in comparison with methyl-thiocitrulline.

    статья (359,9 K)
  • 416. The antibacterial activity of certain Sansevieria species against Escherichia coli

    The study of the antimicrobial activity of ethanolic extracts of the genus Sansevieria against Escherichia coli. Its evaluation using the disco-diffusion method. Determination of the degree of inhibition of the growth zone of the bacterial culture.

    статья (345,8 K)
  • 417. The antimicrobial activity of ethanolic extract obtained from leaves of Coelogyne brachyptera Rchb. f. (Orchidaceae)

    Study of the antimicrobial activity of an ethanol extract obtained from the leaves of Coelogyne brachyptera against specific Gram-positive and Gram-negative bacteria. Pharmacological properties of plant extracts of C. brachyptera and their application.

    статья (1,0 M)
  • 418. The application of the novel integrative index of oxidative stress in the assessment of environmental impact on freshwater mollusks

    Analysis of available results of evaluation of antioxidant activities in the freshwater mollusks in sense of the successfulness of the oxidative stress response. The recently proposed integrative index "Preparation to the oxidative stress" was applied.

    статья (308,9 K)
  • 419. The biocide action of metabolites of streptomyces globisporus 3-1 and streptomyces cyanogenus S136 strains

    Research of the biocide action of streptomycete-antagonist metabolites on the causative agent of bacterial canker of tomato and on the host-plant fertility. Consideration of the action of metabolites on the phytopathogen Clavibacter michiganensis 102.

    статья (370,4 K)
  • 420. The circulation of the blood

    Biographical information from the life of William Harvey. The basic components and functioning of the cardiovascular system. The operation of the system coronary circulation, left and right ventricle. The purpose of the heart and pulmonary arteries.

    презентация (373,8 K)

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