نتایج جستجو برای: black and gray
تعداد نتایج: 16862831 فیلتر نتایج به سال:
Software testing is the process used to measure the quality of developed computer software. It exhibits all mistakes, errors and flaws in the developed software. In this paper, the three most prevalent and commonly used software testing techniques for detecting errors are described and compared, they are: white box testing, black box testing and grey box testing. Keywords— Black box, Demonstrat...
the black-striped pipefish, syngnathus abaster, is a species of the syngnathidae family. this study provides data on the morphometric, meristic and genetic structuring of the caspian sea pipefish, syngnathus abaster. eight morphometric characteristics based on total length and five morphometric characteristics based on standard length were analyzed. a total of 50 specimens were collected in bra...
A theoretical framework is presented for the estimation of the physical parameters of a structure (i.e., mass, stiffness, and damping) from measured experimental data (i.e., input–output or output-only data). The framework considers two state-space models: a physics-based model derived from first principles (i.e., white-box model) and a data-driven mathematical model derived by subspace system ...
One of the recently considered pollutants is microplastic particles. To investigate this contaminant, 15 samples of sediment were sampled from Khor-e-Musa estuary. Samples were transferred to the laboratory in thick plastic bags for extraction and counting of microplastic particles. H2O2 was first used to remove organic matter in the samples. Then, using the condensation separation method, the ...
Gray system theory uses a black-gray-white color spectrum to describe a complex system whose characteristics are only partially known or known with uncertainty. In this study, we use gray system theory to investigate the relation between precipitation and spring flows in a karst region in China. The gray incidence analysis was applied to the Liulin Springs, Shanxi Province, China to analyze the...
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