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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Anishchenko O.V., Gladyshev M.I., Kravchuk E.S., Sushchik N.N., Gribovskaya I.V.
Заглавие : Distribution and migration of metals in trophic chains of the Yenisei ecosystem near Krasnoyarsk City
Место публикации : Water Resources. - 2009. - Vol. 36, Is. 5. - С. 594-603. - ISSN 00978078 (ISSN) , DOI 10.1134/S0097807809050121
Ключевые слова (''Своб.индексиров.''): aquatic organisms--atomic absorption--bulk concentration--cd concentrations--cr concentration--ecosystem components--emission spectral analysis--flame photometry--fly larvae--international standards--periphytons--primary producers--waterbodies--aquaculture--cadmium--chromium--ecology--photometry--spectroscopy--spectrum analysis--spectrum analyzers--water absorption--water analysis--concentration (process)--aluminum--aquatic ecosystem--aquatic organism--cadmium--chromium--concentration (composition)--copper--pollutant transport--river pollution--trophic environment--krasnoyarsk [russian federation]--russian federation--yenisei river--bryophyta--decapoda (crustacea)--thymallus arcticus
Аннотация: Methods of atomic absorption, flame photometry, and emission spectral analysis were used to study the concentrations of metals in water and major ecosystem components of the Yenisei River upstream of Krasnoyarsk City (conventionally background area). The mean bulk concentrations of Al and Cu in water exceeded the MAC for water bodies used for fishery. Cu concentration in freshwater shrimp was found to be reliably higher than that in the link of primary producers (periphyton), and Cd concentration in caddis fly larvae was found to exceed that in water moss. The maximal concentrations of metals among the examined aquatic organisms were recorded in periphyton. Cr concentration in the muscles of Arctic grayling was found to exceed some international standards. В© 2009 Pleiades Publishing, Ltd.
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Gribovskaya I.V., Moskvicheva A.V., Muchkina E.Y., Chuprov S.M., Ivanova E.A.
Заглавие : Content of metals in compartments of ecosystem of a Siberian pond
Место публикации : Archives of Environmental Contamination and Toxicology. - 2001. - Vol. 41, Is. 2. - С. 157-162. - ISSN 00904341 (ISSN) , DOI 10.1007/s002440010233
Ключевые слова (''Своб.индексиров.''): aluminum--cadmium--calcium--chromium--copper--heavy metal--iron--lead--magnesium--manganese--nickel--potassium--sodium--zinc--aquatic ecosystem--biological uptake--heavy metal--pond--article--bioaccumulation--ecosystem--fish--nonhuman--pond--priority journal--russian federation--sediment--soil pollution--water contamination--animals--ecosystem--environmental monitoring--fishes--geologic sediments--invertebrates--metals, heavy--plants--water pollutants--russian federation
Аннотация: During three field seasons (June-September) of 1997-99 contents of Na, K, Ca, Mg, Fe, Mn, Zn, Cu, Al, Cr, Ni, Cd, and Pb were determined in compartments of ecosystem (surrounding soils, bottom sediments, water, zoobenthos, macrophytes, and fish) of a fish and recreation pond situated at the edge of Krasnoyarsk City (Siberia, Russia). Contents of most parts of metals in soils, water, and macrophytes significantly correlated with each other. As concluded, their contents were determined by natural, general, geochemical peculiarities of the region. Heavy metals, contents of which were higher than federal upper limits of concentration, were revealed. In muscles of fish with different feeding spectra - crucian and perch - concentrations of some metals differed significantly; correlation graphs for metals also had different structures. Comparison of our data with those on diverse aquatic ecosystems of Siberia, Europe, North America, and China published in the last decade was carried out. It was concluded that a distribution of heavy metals in the compartments of an aquatic ecosystem presently have to be determined for each particular water body until general regularities are discovered.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Puzyr' A.P., Bondar' V.S., Belobrov P.I., Bukaemskii A.A.
Заглавие : Preparation of complexes nanodiamond-protein-delta-aluminum oxide.
Место публикации : Doklady Biochemistry. - 2000. - Vol. 373, Is. 1-6. - С. 139-141. - ISSN 00124958 (ISSN)
Ключевые слова (''Своб.индексиров.''): aluminum oxide--cytochrome c--diamond--article--chemistry--electron microscopy--metabolism--spectroscopy--synthesis--aluminum oxide--cytochrome c group--diamond--microscopy, electron--spectrum analysis
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Puzyr' A.P., Pozdnyakova I.O., Bondar' V.S.
Заглавие : Design of a luminescent biochip with nanodiamonds and bacterial luciferase
Колич.характеристики :3 с
Место публикации : Phys. Solid State: AMER INST PHYSICS, 2004. - Vol. 46, Is. 4. - С. 761-763. - ISSN 1063-7834, DOI 10.1134/1.1711469
Примечания : Cited References: 10
Аннотация: An "aluminum oxide film-adhesive layer-nanodiamond-luciferase" supramolecular structure is prepared on a flat plate. It is demonstrated that, in this structure, the enzyme retains the catalytic activity. The structure prepared can be treated as a luminescent biochip prototype for use in bioluminescent analysis. (C) 2004 MAIK "Nauka / Interperiodica".
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : CHIGANOVA G.A., BONDAR V.A., CHIGANOV A.S.
Заглавие : ELECTROPHORETIC BEHAVIOR OF HYDROSOLS OF ULTRADISPERSE DIAMOND AND MODIFICATION OF ITS SURFACE
Колич.характеристики :2 с
Место публикации : COLLOID JOURNAL OF THE RUSSIAN ACADEMY OF SCIENCES: PLENUM PUBL CORP, 1993. - Vol. 55, Is. 5. - P774-775. - ISSN 1061-933X
Примечания : Cited References: 5
Аннотация: The method of macro-electrophoresis is used to determine values of the zeta-potential of particles of ultradisperse diamond in solutions of AlCl3. It is shown that an increase in the concentration of aluminum ions to 0.5.10(-4) M leads to a decrease in the negative charge of the diamond particles; the dispersions coagulate in more concentrated solutions of AlCl3. Chemical modification of the surface of ultradisperse diamond by aluminum ions is used to obtain stable hydrosols with positively charged diamond particles.
WOS
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Gribovskaya I.V., Rygalov V.Y.
Заглавие : Trace elements exchange in experimental closed life support systems
Колич.характеристики :4 с
Место публикации : SIXTH EUROPEAN SYMPOSIUM ON SPACE ENVIRONMENTAL CONTROL SYSTEMS, VOLS 1 AND 2. Ser. ESA SPECIAL PUBLICATIONS: EUROPEAN SPACE AGENCY, 1997. - Vol. 400: 6th European Symposium on Space Environmental Control Systems (MAY 20-22, 1997, NOORDWIJK, NETHERLANDS). - P859-862. - ISBN 0379-6566. - ISBN 92-9092-283-4
Примечания : Cited References: 0
Аннотация: Measurements of trace elements incoming and exiting ''Bios-3'' biological-engineering life support system evidence presence of a source of these elements inside the system. This source is, most probably, structural units (steel walls, hose rubber, plastic coatings), catalysts of the thermal catalytic incinerator, expanded clay aggregate mechanically fixing plants and so on. The trace elements are received by the nutrient solutions and build up in the plant biomass. As a consequence the crew may receive elevated doses of such trace elements as aluminum, lead, nickel, chromium. To reduce income of trace elements to LSS requires thorough selection and preliminary treatment of structural materials with reduced desorption capacities and running-in of the system in idle mode prior to exploitation. This mode involves operation of the engineering part of the system (without plants and humans, but with nutrient solutions) for several months.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bukaemskii A.A., Beloshapko A.G., Puzyr A.P.
Заглавие : Physicochemical properties of Al2O3 powder produced by explosive synthesis
Колич.характеристики :7 с
Место публикации : Combust. Explos.: CONSULTANTS BUREAU, 2000. - Vol. 36, Is. 5. - P660-666. - ISSN 0010-5082, DOI 10.1007/BF02699530
Примечания : Cited References: 18
Аннотация: The phase, dispersive, and morphological features of an aluminum oxide powder produced by explosive synthesis are examined experimentally. It is shown that the particle-size distribution has three distinct maxima, which are due to different combustion regimes. The relationship between the sizes and morphology of the starting powder and the product is determined. Considerable attention is given to a study of the ultrafine fraction of the product powder. The ultrafine particles are shown to have a regular spherical shape, and sinters are not revealed. Besides spherical particles, the synthesized powder contains faceted crystals. X-ray phase analysis of the ultrafine fraction of the synthesized powders shows that this fraction consists only of the metastable phases of the oxide - the delta- or oxynitride modifications. The delta -modification differs from that described in the literature.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kovalev V. S., Grandl W., Manukovsky N. S., Tikhomirov A. A., Bock C.
Заглавие : Modeling a lunar base mushroom farm
Колич.характеристики :6 с
Место публикации : Life Sci. Space Res.: ELSEVIER, 2022. - Vol. 33. - С. 1-6. - ISSN 2214-5524, DOI 10.1016/j.lssr.2021.12.005. - ISSN 2214-5532(eISSN)
Примечания : Cited References:31
Предметные рубрики: SUPPORT
CULTIVATION
Аннотация: To calculate the equivalent system mass of mushrooms, a conceptual configuration of a mushroom farm as part of a bioregenerative life support system on an inhabited lunar base was designed. The mushroom farm consists of two connected modules. Each module is a double-shell rigid pipe-in-pipe aluminum structure. The first module is used to prepare and sterilize the substrate, while the mushrooms are sown and grown in the second module. Planned productivity of the mushroom farm is 28 kg of fresh mushrooms per one process cycle lasting 66 days for 14 consumers. Mushroom production can be increased using additional modules. The calculated equivalent system masses of the mushroom farm and the mushrooms produced therein is 88,432 kg and 31,550 kg per 1 kg of dry mushrooms in one process cycle, respectively. At that, the biggest contributor to the equivalent system mass of mushrooms is the total pressurized volume of the farm - 68%. The results obtained may be a prerequisite for performing trade-off studies between different configurations of mushroom farm and calculating a space diet using the equivalent system mass of mushrooms.
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