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Hace 1 día · Definitions. The parameterization with k and θ appears to be more common in econometrics and other applied fields, where the gamma distribution is frequently used to model waiting times. For instance, in life testing, the waiting time until death is a random variable that is frequently modeled with a gamma distribution. See Hogg and Craig for an explicit motivation.
Hace 2 horas · The drawbacks of binary metal oxide gate media are gradually emerging, and research on ternary and even multivariate metal oxides is gradually increasing. HfAlO gate dielectric films with different aluminum contents were prepared using the solution method. When Hf: Al = 2:1, the HfAlO film exhibits excellent optical properties with a larger Eg (~5.80 eV) and maximum ∆EC (~2.22 eV). Through ...
Hace 1 día · Die Forschungsgeschichte des Klimawandels beschreibt die Entdeckung und Untersuchung von Klimawandel -Ereignissen im Rahmen geologischer und historischer Zeiträume, einschließlich der seit dem 20. Jahrhundert stattfindenden globalen Erwärmung. Die systematische Erforschung von natürlichen Klimawechseln begann in der ersten Hälfte des 19.
Hace 2 horas · LMFA - UMR 5509 Laboratoire de Mécanique des Fluides et d’Acoustique Lyon France
Hace 1 día · In 1954, 32-year-old Yang Zhenning and his partner Mills published a paper in Physical Review, proposing a profound impact on the development of physics.
Hace 2 horas · Німеччина здивована поведінкою Угорщини / Фото: Pexels Між країнами виник дипломатичний конфлікт на тлі візиту угорського премʼєра.Угорщина вирішила
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