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  • 1
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    Increased extreme precipitation in Chinese deserts from 1960 to 2018 (2019)
    PANGAEA
    In:  Supplement to: Li, Guoshuai; Yang, Hong; Zhang, Ying; Huang, Chunlin; Pan, Xiaoduo; Ma, Mingguo; Song, Minhong; Zhao, Q H (2019): More Extreme Precipitation in Chinese Deserts From 1960 to 2018. Earth and Space Science (ESS), 6(7), 1196-1204, https://doi.org/10.1029/2018EA000538
    Details
    Publication Date: 2023-04-08
    Description: Extreme precipitation over drylands, especially deserts, has been often observed. The precipitation changes in Chinese deserts have been rarely studied. Here, we use a daily grid precipitation dataset generated via weather station data (0.25° horizontal grid spacing) to investigate the spatial and temporal changes in extreme precipitation in Chinese deserts. The extreme precipitation based on the changes in the total precipitation (PRCPTOT) and the annual-maximum daily precipitation (Rx1day) in the Chinese desert exhibits markedly increasing trends and presents a spatial distribution of wetting in the western deserts and drying in the eastern deserts. The increase in extreme precipitation could minimize wind erosion and intensify dune stabilization in the western Chinese deserts.
    Keywords: Chinese deserts; Extreme precipitation; File format; File name; File size; PRCPTOT; Rx1day; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 32 data points
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    DATA PANGAEA
  • 2
    Electronic Resource
    Electronic Resource
    Chemisorption Studies of CH3S on Ni(111) (1994)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 116 (1994), S. 8200-8206 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00097a029
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Adsorption of Formyl on Ni(100) (1995)
    s.l. : American Chemical Society
    Langmuir 11 (1995), S. 853-859 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00003a029
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Ab initio chemisorption studies of methyl on nickel(111) (1991)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 113 (1991), S. 6442-6449 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00017a013
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Synthesis of CaO-P〈sub〉2〈/sub〉O〈sub〉5〈/sub〉-SiO〈sub〉2〈/sub〉 Monolithic with Double Pore Structure by Peg /Starch (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 330-332 (Feb. 2007), p. 979-982 
    Details
    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: Porous CaO-P2O5-SiO2 monolithics with double-pore structure were prepared fromtetraethoxysilane, triethylephosphate and calcium nitrate by a sol-gel method. Polyethylene glycoland starch were used as mesopore-making agent and as macropore-making agent, respectively. Theporous monolithics, having mesopores with ~20 nm pore size and macropores with 7~20 μm poresize, could be formed from the removal of organic components after heated at 600°C for 2 hours.After soaked in simulated body fluid (SBF) at 37ºC for 7 days, bonelike apatite was formed on thesurface of the samples. The porous samples were degraded gradually in SBF solution
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.330-332.979.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    A Study on the Aviation Manufacture Cell Scheduling Based on Adaptive Ant Colony Algorithm (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 532-533 (Dec. 2006), p. 1060-1063 
    Details
    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: Aviation manufacture cell scheduling is generally multi-constraint and multi-objectiveflexible job-shop scheduling, and is more complicated than classical job-shop because of flexibleprocessing route, multi-restriction, multi-objective, dynamic disturb and complex model. The modelof aviation manufacture cell scheduling is set up, and accordingly adaptive ant colony algorithm isbrought forward. The adaptive mechanism and the genetic principle are introduced into the algorithmto accelerate convergence and avoid stagnation. Finally, the aviation manufacture cell scheduling ofXi’an Aero-Engine (Group) Ltd. is well solved by the proposed methods
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.532-533.1060.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    A Job Shop Scheduling Heuristic Algorithm Based on Probabilistic Model of the Search Space (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 532-533 (Dec. 2006), p. 1084-1087 
    Details
    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: The job shop scheduling problem is an NP-hard problem and conveniently formulated asConstraint Satisfaction Problem (CSP). Research in CSP has produced variable and value orderingheuristics techniques that can help improve the efficiency of the basic backtrack search procedure.However, the popular variable and value ordering heuristics play poor in solving the large-scale jobshop scheduling problem. In this paper, a new probabilistic model of the search space wasintroduced which allows to estimate the reliance of an operation on the availability of a reservation,and the degree of contention among unscheduled operations for the possession of a resource oversome time interval. Based on this probabilistic model, new operation and reservation orderingheuristics were defined. new operation ordering heuristic selects the operation that relies most onthe most contended resource/time interval, and new reservation ordering heuristic assigns to thatoperation the reservation which is expected to be compatible with the largest number of survivablejob schedules. Computer simulations indicate that this new algorithm yields a optimal result ofFT10 benchmark job shop scheduling problem under small time cost
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.532-533.1084.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    Modelling Fabric’s Optical Behaviors (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 575-578 (Apr. 2008), p. 1266-1271 
    Details
    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 this paper, existing models of fabric’s optical behaviors are classified and estimatedbriefly. Then, basing on the optical theories, this paper abstracts the commonness of fabric’s opticalbehaviors and put forward an improved model of them, which includes a physical model and itscorresponding mathematical model. The physical model describes the light falling on fabrics splitsinto six components, which compose another four components. The ten light components divided bythe incident light yields ten light component parameters, which are functions of the wavelength. Themathematical model connects the ten light component parameters and gives formulas to calculatethem. Thus, the light component parameters are connected with the basic optical parameters andstructural parameters of fabric. This improved model provides a fundamental and theoretical guide forstudying fabric’s optical properties systematically, which has been proved to be effective in solvingsome problems related fabric optical properties
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.575-578.1266.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    Microstructures Evolution of a Ni-Base Superalloy after Long-Term Aging at 750°C (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 561-565 (Oct. 2007), p. 387-390 
    Details
    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: The microstructures evolution of a new type Ni-base superalloy has been investigatedafter long-term aging at 750°C for 2000h. The results indicate that TCP, a harmful phase greatlyaffects the mechanical properties of the alloy, is un-precipitated in the aging process. γ´ phase isprecipitated in two kinds of sizes during long-term aging. The shape of larger one is transit fromspherical to cubic with prolonging of aging time. The M23C6 carbide formed mainly by Cr, and otherelements such as Al, Ti, Co and Mo is also precipitated in both γ matrix and grain boundaries, andthe quantities of the carbide increase gradually with the increasing of aging time
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/17/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.561-565.387.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Reaction of chemisorbed CH and H on nickel (1989)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 91 (1989), S. 126-136 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The reaction of chemisorbed CH and H on the [111] surface of Ni is treated using a many-electron embedding theory to describe the electronic bonding, modelling the lattice as a 28-atom, three layer cluster. Ab initio valence orbital CI calculations carried out on a local surface region permit an accurate description of bonding at the surface. Both CH and CH2 species are found to bind strongly to the Ni(111) surface at threefold and bridge sites. Adsorption energies are between 2.9 and 3.1 eV for CH adsorption, and 2.5 and 2.9 eV for CH2 adsorption. Atop Ni adsorption sites are more than 1 eV higher in energy. The Ni–C bond lengths range from 2.00 to 2.04 A(ring) for CH and CH2 on the surface. Vibrational frequencies for HC-surface and H2C-surface vibrations are between 400 and 600 cm−1; CH stretching frequencies are around 3050 cm−1 in both CH and CH2. The reaction of CH+H→CH2 on the nickel surface is 1.45 eV exothermic, however, a barrier exists to moving H to a threefold site adjacent to one occupied by CH. The geometries of CH and CH2 and the nature of the bonding to the surface are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.457499
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