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Akademický článek
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Publikováno v:
Zhongguo Dang Dai Er Ke Za Zhi
OBJECTIVE: To study the changes in C-reactive protein (CRP) and procalcitonin (PCT) levels in neonates with necrotizing enterocolitis (NEC) and their clinical significance. METHODS: According to the modified Bell's staging criteria, 142 neonates with
Publikováno v:
DEStech Transactions on Environment, Energy and Earth Sciences.
Ultra High Voltage Direct Current (UHVDC) transmission can improve the consumptive ability of wind power for the sending grid, but the voltage characteristics of hybrid grid lead to voltage fluctuation and reduce the transient voltage stability of th
Publikováno v:
DEStech Transactions on Computer Science and Engineering.
The assembly accuracy of precision structures is significantly affected by the geometric error and thermal deformation of the mechanical components which can be represented by entropy. This paper provides an assembly process optimization method based
Publikováno v:
DEStech Transactions on Computer Science and Engineering.
For the high-precision optical lens alignment, the coaxiality of the mechanical axes of the optical components and the lens barrel cannot guarantee good optical performance. As the centering error’s existence of the optical lens, the optical axis o