نتایج جستجو برای: convolution air spring
تعداد نتایج: 271340 فیلتر نتایج به سال:
An update is provided of Northern Hemisphere (NH) spring (March, April) snow cover extent (SCE) over the 1922–2010 period incorporating the new climate data record (CDR) version of the NOAA weekly SCE dataset, with annual 95% confidence intervals estimated from regression analysis and intercomparison of multiple datasets. The uncertainty analysis indicates a 95% confidence interval in NH spring...
We analyzed 14C, 13C and 18O isotope variations over a 50-year period in tree rings of Quercus ilex L. trees growing at a natural CO2 spring in a Mediterranean ecosystem. We compared trees from two sites, one with high and one with low exposure to CO2 from the spring. The spring CO2 is free of 14C. Thus, this carbon can be traced in the wood, and the amount originating from the spring calculate...
To clarify the behavior of railway vehicles under crosswind, a new method using left-right balance air spring pressure is presented in this paper. The rate off-loading, which an evaluation index for vehicle behavior, can always be estimated by without conventional special wheel-set. theoretically derived and accuracy experimentally verified comparing with method. In experiment, lateral forces e...
For achieving seamless global coverage and real-time communications while providing intelligent applications with increased quality of service (QoS), AI-enabled space–air–ground integrated networks (SAGINs) have attracted widespread attention from all walks life. However, high-intensity interactions pose fundamental challenges for resource orchestration security issues. Meanwhile, virtual netwo...
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