نتایج جستجو برای: greenhouse gass
تعداد نتایج: 33467 فیلتر نتایج به سال:
We consider the subclass of linear programs that formulate Markov Decision Processes (mdps). We show that the Simplex algorithm with the GassSaaty shadow-vertex pivoting rule is strongly polynomial for a subclass of mdps, called controlled random walks (CRWs); the running time is O(|S| · |U |), where |S| denotes the number of states and |U | denotes the number of actions per state. This result ...
The ultimate climate emergency is a 'runaway greenhouse': a hot and water-vapour-rich atmosphere limits the emission of thermal radiation to space, causing runaway warming. Warming ceases only after the surface reaches approximately 1400 K and emits radiation in the near-infrared, where water is not a good greenhouse gas. This would evaporate the entire ocean and exterminate all planetary life....
Conventional visual cryptography (VC) suffers from a pixel-expansion problem, or an uncontrollable display quality problem for recovered images, and lacks a general approach to construct visual secret sharing schemes (VSSs) for general access structures (GASs). We propose here in a general and systematic approach to address these issues without sophisticated codebook design. The approach can be...
D. Spirkoska,1 J. Arbiol,2 A. Gustafsson,3 S. Conesa-Boj,2 F. Glas,4 I. Zardo,1 M. Heigoldt,1 M. H. Gass,5 A. L. Bleloch,5 S. Estrade,2 M. Kaniber,1 J. Rossler,1 F. Peiro,2 J. R. Morante,2,6 G. Abstreiter,1 L. Samuelson,3 and A. Fontcuberta i Morral1,7 1Walter Schottky Institut and Physik Department, Technical University of Munich, Am Coulombwall 3, 85748 Garching, Germany 2Departament d’Electr...
"Geographic atrophy" is a concise term that has been firmly established for the description of the end-stage manifestation of nonexudative age-related macular degeneration (AMD). "Geographic lesions" resembling sharply demarcated continents on a map have been originally described in the German literature in 1854 (landkartenartiger/inselförmiger Zungenfratt) for a manifestation later called "geo...
Greenhouse environment has the characteristics such as multipleinput, multiple-output, nonlinearity, and difficulties of establishing its accurate mathematical model. Therefore, in order to make the greenhouse environment control more effective and accurate, an expert system of variable universe fuzzy control based on BP neural network has been proposed. In this method an appropriate universe i...
The atmospheres of terrestrial planets are expected to be in long-term radiation balance: an increase in the absorption of solar radiation warms the surface and troposphere, which leads to a matching increase in the emission of thermal radiation. Warming a wet planet such as Earth would make the atmosphere moist and optically thick such that only thermal radiation emitted from the upper troposp...
Effects of rice-cultured Paecilomyces lilacinus on Rotylenchulus reniformis were studied in both greenhouse and field microplot tests with 'Rutgers' tomato. Numbers of R. reniformis were reduced (P </= 0.05) by P. lilacinus, with suppression in the initial greenhouse test ranging from 46 to 48% for two rice + P. lilacinus treatments; the rice-only treatment caused a nonsignificant reduction of ...
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