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  • 1
    Online Resource
    Online Resource
    Resources, Environment and Regional Sustainable Development in Northeast Asia (2023)
    Cham :Springer Nature Switzerland :
    Details
    Keywords: Geotechnical engineering. ; Energy policy. ; Energy and state. ; Environmental management. ; Geotechnical Engineering and Applied Earth Sciences. ; Energy Policy, Economics and Management. ; Environmental Management.
    Description / Table of Contents: Assessment of the Relationship between the Current Economic Development State and Environmental Pollution in the Republic of Buryatia, Russia -- New Guidelines and Risks for Asian Russia in the Implementation of the “One Belt – One Road” Project Under Current Geopolitical and Global Climate Changes -- Placer Gold Mining in the Zabaikalskii Krai and its Role in the Development of Municipal Districts -- Ecological and Economic Assessment of the Use of Wood Fuel for Heat Supply Purposes -- Demographic potential of agglomerations of Siberia: influence of the factor of population density -- Landscape-ecological zoning of a territory as the basis for identifying lands of the ecological framework of an administrative district.
    Abstract: This book highlights the environmental issues, an assessment of environmental risks within the borders of Northeast Asia and neighboring territories. This book pays special attention to the transboundary factor as the main factor in international and interregional cooperation. This book develops methods of complex, thematic, interpretative mapping, geoinformation modeling, processing of remote sensing data for geographical and environmental studies, models for the analysis of spatial and temporal geographic data, and their long series. The book is planned to widely cover economic, physical–geographical and environmental studies, including the analysis of natural resources from the state of the natural environment and resource potential to its change under the influence of various factors. .
    Type of Medium: Online Resource
    Pages: VII, 196 p. 53 illus., 37 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9783031289781
    Series Statement: Springer Proceedings in Earth and Environmental Sciences,
    URL: https://doi.org/10.1007/978-3-031-28978-1
    DOI: 10.1007/978-3-031-28978-1
    DDC: 624.151
    Language: English
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    E-BOOKS (AWI ONLY)
  • 2
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    (Table 2) Chemical composition of basalts from the DSDP Leg 74 Walvis Ridge transect
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: Five sites were drilled along a transect of the Walvis Ridge. The basement rocks range in age from 69 to 71 m.y., and the deeper sites are slightly younger, in agreement with the sea-floor-spreading magnetic lineations. Geophysical and petrological evidence indicates that the Walvis Ridge was formed at a mid-ocean ridge at anomalously shallow elevations. The basement complex, associated with the relatively smooth acoustic basement in the area, consists of pillowed basalt and massive flows alternating with nannofossil chalk and limestone that contain a significant volcanogenic component. Basalts are quartz tholeiites at the ridge crest and olivine tholeiites downslope. The sediment sections are dominated by carbonate oozes and chalks with volcanogenic material common in the lower parts of the sediment columns. The volcanogenic sediments probably were derived from sources on the Walvis Ridge. Paleodepth estimates based on the benthic fauna are consistent with a normal crustal-cooling rate of subsidence of the Walvis Ridge. The shoalest site in the transect sank below sea level in the late Paleocene, and benthic fauna suggest a rapid sea-level lowering in the mid-Oligocene. Average accumulation rates during the Cenozoic indicate three peaks in the rate of supply of carbonate to the sea floor, that is, early Pliocene, late middle Miocene, and late Paleocene to early Eocene. Carbonate accumulation rates for the rest of the Cenozoic averaged 1 g/cm**2/kyr. Dissolution had a marked effect on sediment accumulation in the deeper sites, particularly during the late Miocene, Oligocene, and middle to late Eocene. Changes in the rates of accumulation as a function of depth demonstrate that the upper part of the water column had a greater degree of undersaturation with respect to carbonate during times of high productivity. Even when the calcium carbonate compensation depth (CCD) was below 4400 m, a significant amount of carbonate was dissolved at the shallower sites. The flora and fauna of the Walvis Ridge are temperate in nature. Warmer-water faunas are found in the uppermost Maastrichtian and lower Eocene sediments, with cooler-water faunas present in the lower Paleocene, Oligocene, and middle Miocene. The boreal elements of the lower Pliocene are replaced by more temperate forms in the middle Pliocene. The Cretaceous-Tertiary boundary was recovered in four sites drilled, with the sediments containing well-preserved nannofossils but poorly preserved foraminifera.
    Keywords: 74-525A; 74-527; Aluminium oxide; Calcium oxide; Calculated; Deep Sea Drilling Project; DEPTH, sediment/rock; Depth comment; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Iron oxide, Fe2O3; Latitude of event; Leg74; Longitude of event; Loss of ignition analysis; Loss on ignition; Magnesium oxide; Manganese oxide; Phosphorus pentoxide; Potassium oxide; Sample code/label; Silicon dioxide; Sodium oxide; South Atlantic; South Atlantic/CREST; Sum; Titanium dioxide; Water in rock; X-ray fluorescence (XRF)
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
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    DATA PANGAEA
  • 3
    Electronic Resource
    Electronic Resource
    Synthesis of Novel Triblock Copolymers Containing Hydrogen-Bond Interaction Groups via Chemical Modification of Hydrogenated Poly(styrene-block-butadiene-block-styrene) (1995)
    s.l. : American Chemical Society
    Macromolecules 28 (1995), S. 8702-8704 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00129a036
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  • 4
    Electronic Resource
    Electronic Resource
    Spinodal decomposition in a hydrogen-bonded polymer blend (1991)
    s.l. : American Chemical Society
    Macromolecules 24 (1991), S. 464-473 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00002a020
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  • 5
    Electronic Resource
    Electronic Resource
    Intermacromolecular Complexation due to Specific Interactions. 2. Nonradiative Energy Transfer Fluorospectroscopy and Nuclear Magnetic Resonance Monitoring Miscibility-Complexation Transition (1995)
    s.l. : American Chemical Society
    Macromolecules 28 (1995), S. 730-735 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00107a009
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  • 6
    Electronic Resource
    Electronic Resource
    Reconstruction of small Si cluster after ethylene adsorption: A full-potential linear-muffin-tin-orbital molecular-dynamics study (1999)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 110 (1999), S. 10738-10745 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Using full-potential linear-muffin-tin-orbital method, we have performed molecular-dynamics simulations for the ethylene adsorption on the Si5–7-cluster surfaces. The calculations show that the most favored adsorption site is the short bridge site for Si5 cluster, with the adsorption energy 1.78 eV. The adsorption structure of ethylene molecule is similar to that of the dimer-maintained structure for C2H4+Si(100)-(2×1). It indicates that ethylene is di-σ bonded to the Si5 cluster. At the same time, the Si5 cluster reconstructs after ethylene adsorption. The three-center bond among side atoms breaks, and new bonds form. For Si6 cluster, the most favored adsorption site is the atop site on the side atom. After adsorption, Si6 cluster reconstructs from tetragonal bipyramid to edge-capped trigonal bipyramid. The short bridge is the only available site to adsorb ethylene for Si7 cluster. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.479016
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  • 7
    Electronic Resource
    Electronic Resource
    Close packing of polymer-coated monodisperse silica (1990)
    Springer
    Journal of materials science 9 (1990), S. 1272-1273 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00726516
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  • 8
    Electronic Resource
    Electronic Resource
    Compatibilization in ionomer blends (1993)
    Springer
    Polymer bulletin 30 (1993), S. 449-453 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary Two kinds of copolymers, i.e. poly(styrene-co-methacrylic acid) (SMaa) and poly(butyl methacrylate-co-methacrylic acid) (BmaMaa) containing a common but minor (10–20%) component of methacrylic acid, were synthesized. The blends of the corresponding ionomers of SMaa and BmaMaa neutralized with a series of metal-ions produced by solvent casting and moulding were examined by DSC and TEM. It has been shown that introducing metal-ions to the blends of copolymers apparently improves the miscibility. This miscibility enhancement depends on the nature and amount of the counter ions. In the case of SMaa-Na+/BmaMaa-Na+ even a singlephase blend can be produced. The results confirm compatibilization in the blends of similar-charged ionomers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00338479
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  • 9
    Electronic Resource
    Electronic Resource
    Interpenetrating polymer networks with controllable intermolecular hydrogen bonding (1990)
    Springer
    Polymer bulletin 23 (1990), S. 103-109 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The effect of introducing simultaneously crosslinking and intermolecular hydrogen bonding into blends of poly(styrene) and poly(butyl acrylate) on miscibility was studied by DSC, TEM and IR. Incorporation of strong proton-donor groups into PS apparently promotes its miscibility with PBA due to hydrogen bonding. Single phase IPN can be prepared but much higher content of the proton-donor is needed in comparison with the corresponding blend without crosslinking. The interlocking structure of the networks appears unfavourable to forming real miscible IPNs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00983971
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  • 10
    Electronic Resource
    Electronic Resource
    Interpenetrating polymer networks with controllable intermolecular hydrogen bonding: Swelling behavior (1992)
    Springer
    Polymer bulletin 29 (1992), S. 439-444 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The swelling behavior in different solvents of IPNs based on poly(butyl acrylate) and modified polystyrene containing strong proton-donor hydroxyl groups is studied. The experimental data of the volume fractions of the networks in the swollen state Vexpt at equilibrium are compared with those expected from the Thiele-Cohen equation (VTC), which assumes that the two networks are independent and no additional crosslinks form during the formation of the IPNs. For the IPNs without inter-component hydrogen bonding, Vexpt in toluene are in good agreement with VTC. As the hydroxyl content increases, the deviation of Vexpt from VTC increases indicating more crosslinks form in the process of IPN formation. This deviation in the solvents of proton-acceptor type becomes smaller but still apparent. This result implies that hydrogen bonding between the components is destroyed by the solvents but the physical entanglements formed during the formation of the IPNs remain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00944842
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