In this study, the complete mitochondrial genome of the endangered roughskin sculpin, Trachidermus fasciatus, was first determined. The mitogenome (16,536 bp) consisted of 13 protein-coding genes, 22 tRNA genes, 2 rRNA genes, and 1 control region. Except for the eight tRNA and ND6 genes, all other mitochondrial genes were encoded on the heavy strand. Mitochondrial DNA information can assist in species identification and conservation of the species' natural resources.
This paper built 3D motor model by SolidWorks, using finite element software Fluent to simulate the temperature field and fluid field of the permanent magnet motor. The cooling effect of “C” type structure with different radiating rib was analyzed in this paper. Simulation analysis of motor temperature rise was carried out under different inlet flow. It provides a reference for the further study of motor shell optimization design.
Blackchin tilapia, Sarotherodon melanotheron, is a highly salt-tolerant species in tilapias. In this paper, the complete mitochondrial genome of S. melanotheron was determined first. The mitogenome (16,627 bp) had the typical vertebrate mitochondrial gene arrangement, including 13 protein-coding, 22 tRNA, 2 rRNA genes, and 1 putative control region. It shared 95.1%, 93.2%, and 92.2% mitogenome sequence with Oreochromis aureus, Oreochromis niloticus, and Oreochromis mossambicus, respectively.
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