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  • 1
    Keywords: Soil science. ; Agriculture. ; Environment. ; Water. ; Hydrology. ; Ecology . ; Soil Science. ; Agriculture. ; Environmental Sciences. ; Water. ; Ecology.
    Description / Table of Contents: Overview of global soil and water stress -- Africa -- Asia -- Europe -- Americas -- Oceania -- Europe.
    Abstract: This book focuses on soil and water conservation at global scale. It is a serious environmental problem that will threaten the socio-economic well-being of the majority of global population in future. The book examines the current situation of land degradation in multiple regions of the world and offers alternative approaches to solve the problems through sharing advanced technologies and lessons learned. It provides comprehensive assessment on characteristics, level and effect of degradation in different regions. It’s a highly informative reference both for researchers and graduate students.
    Type of Medium: Online Resource
    Pages: XII, 564 p. 283 illus., 221 illus. in color. , online resource.
    Edition: 1st ed. 2022.
    ISBN: 9789811679162
    DDC: 631.4
    Language: English
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  • 2
    Call number: 9783030036461 (e-book)
    Description / Table of Contents: This book offers a collection of conference articles presented at the Second International Young Scientists Forum on Soil and Water Conservation and ICCE symposium 2018 “Climate Change Impacts on Sediment Dynamics: Measurement, Modelling, and Management” held at Moscow from 27 to 31 August 2018. This conference was organized by World Association of Soil and Water Conservation (WASWAC) and Lomonosov Moscow State University in cooperation with the International Commission on Continental Erosion of the International Association of Hydrological Sciences and World Large rivers Initiative. Topics in this book cover a wide range of questions related to fluvial geomorphology, water studies, and sediment transport.
    Type of Medium: 12
    Pages: 1 Online-Ressource (xv, 128 Seiten) , Illustrationen, Diagramme, Karten (teilweise farbig)
    ISBN: 9783030036461 , 978-3-030-03646-1
    ISSN: 2524-342X , 2524-3438
    Series Statement: Springer Proceedings in Earth and Environmental Sciences
    Language: English
    Note: Contents Consistency and Uncertainty Analyses of Sediment Transport Monitoring in the Transboundary River: Case Study of Western Dvina (Russian Federation, Belarus and Latvia) / S. R. Chalov Global Change Impact on Ephemeral Streams Sediment Load in the Raya Graben, Northern Ethiopia / P. Billi, B. Demissie, J. Nyssen, A. Frankl, and M. Haile Longitudinal and Cross Profiles as Indicators of Morphodynamics of Small Drainage Basins (Case Study European Russia) / V. P. Bondarev Change of Erosive Activity in the Context of Change of the Climate / S. V. Budnik Numerical Modeling of Channel Deformation Taking into Account Sediment Fractions Distribution / A. I. Aleksyuk, V. V. Belikov, N. M. Borisova, and T. A. Fedorova Drivers of Sedimentary Fluxes Assessment in Alpine Catchments / V. O. Bazilova, S. R. Chalov, and A. S. Tsyplenkov Peculiarities of Ice Nucleation on Particles in Atmosphere and Soil / D. M. Frolov The Extreme Rainfall Characteristics and Terrace Greenhouse Erosion Control in Climate Change and Human Impact in Hilly and Gully Region of the Loess Plateau in China / J. E. Gao, Y. X. Zhang, X. H. Li, H. J. Li, Z. Gao, and M. J. Ji Integration of Landforms, Deposits and Paleosols Analysis for Reconstructing Holocene Debris Flow Activity in the Low Mountains of Kola Peninsula / E. V. Garankina, V. R. Belyaev, Y. R. Belyaev, A. L. Gurinov, M. M. Ivanov, N. V. Kuzmenkova, F. A. Romanenko, A. I. Rudinskaya, and E. D. Tulyakov Trees as Large-Scale Natural Phononic Crystals / Jian-Kun Huang, Yi-Fan Liu, and Ya-Guang Li Climate Change and Sediment Yield in Kamchatka, Far East of Russia / L. V. Kuksina Selenga River Runoff Projections in the XXI Century: ECOMAG-Based Simulation Results / T. D. Millionshchikova Postglacial Incision-Widening-Infill Cycles at the Borisoglebsk Upland: Correlations Between Interfluve Headwaters and Fluvial Network / Y. V. Shishkina, E. V. Garankina, V. R. Belyaev, P. V. Andreev, A. I. Bondar, V. I. Potapova, T. A. Verlova, and ILYA G. Shorkunov Geomorphometric and Geoinformation Approach to Meliorative Evaluation of the Territory / A. R. Suleymanov The Innovation Technology Based on Molecular Phylogeny of Bacillariophyceae for Water Quality Monitoring / A. E. Sverdrup and L. L. Frolova Water Balance Assessment Using Swat Model. Case Study on Russian Subcatchment of Western Dvina River / P. N. Terskii, A. A. Kuleshov, and S. R. Chalov Numerical Modeling of Channel Processes and Hydraulic Engineering Impact on the River Amur / E. Fingert, I. Krylenko, V. Belikov, P. Golovlyov, M. Samokhin, S. Borovkov, and A. Zavadskii Channel Processes Dynamics at Wet Subtropical Climate of Russian Black Sea Coast / Y. Kuznetsova, V. Golosov, and N. Ivanova Intra-storm Variability of Coefficient of Variation of Runoff and Soil Loss in Consecutive Storms at Experimental Plot Scale / M. Kiani-Harchegani, S. H. R. Sadeghi, and A. Ghahramani Study of Channel Changes in the Lena River Near Yakutsk Based on Long-Term Data, Satellite Images and Two-Dimensional Hydrodynamic Model / E. D. Kornilova, E. A. Morozova, I. N. Krylenko, E. A. Fingert, P. P. Golovlyov, A. S. Zavadsky, and V. V. Belikov A Probabilistic Approach to Interpret Long-Term Observations of Sediment Yield in Experimental Catchments in Southern Italy / P. Porto and G. Callegari Extreme Erosion Events and Climate Change / E. V. Promakhova, L. V. Kuksina, and V. N. Golosov The Emission of Carbon Dioxide from Soils Washed-Out and Buried by Accelerated Erosion in the Chernozem Belt of the European Russia / A. Sidorchuk Gully Erosion and Thermo-erosion Modelling for the Conditions of the Modern and the Late-Glacial Periglacial Climate / A. Sidorchuk
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  • 3
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 56 (1990), S. 2417-2418 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Thermal instability of anodic sulfide films on Hg1−xCdxTe was studied. Instead of using laser ionization or ion backscattering in studying oxidic films after heat treatment, we used x-ray photoelectron spectroscopy (XPS) in analyzing nonaqueous sulfidization. In this case, XPS is feasible, simpler, and has the advantage of better resolution. Hg evaporation was investigated here by measuring Te(3d5/2) of Te oxide peak rather than Hg lines. Correlation between thermal instability and composition x was obtained.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature biotechnology 20 (2002), S. 1261-1264 
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] The excitement and controversy surrounding the potential role of human embryonic stem (ES) cells in transplantation therapy have often overshadowed their potentially more important use as a basic research tool for understanding the development and function of human tissues. Human ES cells can ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 475-479 (Jan. 2005), p. 2457-2462 
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In order to improve the cycling stability of a new rare-earth Mg-based hydrogenstorage alloys, La0.7Mg0.3Ni2.65-xMn0.1Co0.75Alx (x=0.0-0.4) alloys were prepared to investigate the structure and electrochemical properties of these alloys. XRD and Rietveld analyses reveal that the alloys consist of a (La,Mg)Ni3 phase with rhombohedral PuNi3-type structure and a LaNi5 phase with hexagonal CaCu5-type structure. Electrochemical studies on these alloys indicate that their maximum discharge capacities were decreased from 400.7 mAh/g (x=0.0) to 335.6 mAh/g (x=0.4). However, the cycling stability of the alloy electrodes was significantlyimproved after Ni was partially replaced by Al. After 100 charge/discharge cycles, the discharge capacity retention was increased from 32.0% (x=0.0) to 73.8 % (x=0.3), which can be attributed to the formation of a dense oxide film on the alloy surface. Moreover, the high rate dischargeability measurements indicate that the electrochemical kinetic properties were deteriorated with increasing Al content owing to the presence of a dense oxide film of Al
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1572-879X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Four catalysts, H2PtCl6-5SnCl2/γ-Al2O3 (cat-1), { H2PtCl6-5SnCl2 + xLaCl3 } / γ-Al2O3 (cat-2), (Me4N)[Pt(SnCl3)5]/ γ-Al2O3 (cat-3), and {(Me4N)[Pt(SnCl3)5] + xLaCl3} / γ-Al2O3 (cat-4) were prepared and their catalytic activities and stabilities in dehydrogenation of propane were investigated. It has been shown that the stabilities of the Pt-Sn bimetallic catalysts were improved by introducing lanthanum into the catalysts either by the conventional impregnation method with Pt- and Sn-containing salts or by using precursors derived from Pt-Sn bimetallic clusters. Results from XPS analysis indicated that addition of lanthanum could inhibit the reduction of tin in the catalysts, especially in cat-2. The distribution of pore capacity in a used cat-2 was mainly in the large and medium size range, but in a used cat-1 the distribution was mainly in the small to medium size range. Thermal gravimetric analysis (TGA) showed that weight loss in the used cat-1 was much more than that in the used cat-2. The results suggested that introducing lanthanum into the Pt-Sn bimetallic catalysts could effectively prevent them from coking.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 348-349 (Sept. 2007), p. 181-184 
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Thermal barrier coating (TBC) is an essential requirement of a modern gas turbine engine.The TBC failure is the delamination and spallation. The oxidation damage under high temperatureresults in the reduction of interfacial adhesion. The interfacial fracture toughness is an importantproperty to analyze the TBC failure. The interfacial fracture toughness of ceramic coating - bondcoating has been researched in the past. However, the facture toughness of the bond coating -substrate due to the Al depletion was very few studied. In this study, a NiCrAlY bond coating by airplasma spray (APS) was deposited. The substrate was directionally solidified superalloy (DZ40M).Isothermal oxidation was performed at 10500 for 100h. Using the HXZ-1000 micro-hardnessequipment, the five different times was chosen to test the hardness and the crack length, and then thefracture toughness was obtained. While the oxidation exposure time increased at 10500, the hardnessof the substrate close to the bond coating decreased with the increase of the bond coating’ hardness.Meanwhile, the interfacial fracture toughness of the bond coating - substrate decreased because of theAl depletion
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 353-358 (Sept. 2007), p. 2007-2010 
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The ultrasonic welding process of thermoplastic composite with different shapes of energydirector (ED) was simulated using finite element model. The results show that the highest temperaturezone locates at the tip for the semicircular and triangular ones, and locates at the middle height for thetrapezoid one. But it does not locate at the body of ED for the rectangular one. Energy director withdifferent shapes lead to the temperature rising rate at different order of amplitude. The weldingamplitude has same influence on the four shapes of ED. The temperature distributing profiles ofsemicircular, triangular and trapezoid ED keep constant from the initial welding time to that when thehighest temperature on joints arrives the temperature of glass transformation (Tg), but the profile forrectangular ED changes greatly
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 26-28 (Oct. 2007), p. 963-968 
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The assembled tube was made of beryllium tube and tungsten tube, and was produced byover fitting. The residual stresses in the assembled tube were very comprehensive after lasers brazefusion welding, not only including the welding residual stresses, but also the initial stresses from overfitting. Both of the dimension and strength were affected by the complex residual stress distribution inthe assembled tube. MSC.MARC software was used to simulate the stress fields during lasers brazefusion welding of the assembled tube. The stress fields during lasers braze fusion welding and theresidual stresses after welding have been obtained, and the effect of over fitting on welding residualstress of the assembled tube have also been studied. The residual stresses at outer surface of theassembled tube have been measured by the X-ray diffraction method. A comparison of the residualstresses by finite element method (FEM) to that by experiment indicates an identical stress changetrend and thus validates the FEM model
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Silica encapsulated phosphors SrAl2O4:Eu2+, Dy3+ have been synthesized by non-homogeneous phase coring method, in which glycerol was firstly used as dispersion medium and hyper-dispersant was introduced as additive. IR, BET and scanning electron microscopy (SEM) demonstrated that a dense layer of silica was formed on the surface of phosphor SrAl2O4:Eu2+, Dy3+. The results showed that the encapsulated phosphors possess good properties in water-resistance, heat-resistance and dispersibility when encapsulation amount reached 8 wt. %. Moreover, the photoluminescence intensity of phosphors SrAl2O4:Eu2+, Dy3+ was improved apparently after surface modification. All results revealed that silica encapsulation would effectively improve alkaline earth aluminates phosphors’ properties and using glycerol as the dispersion medium is helpful to silica encapsulation
    Type of Medium: Electronic Resource
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