The general differences between copper pipe and pex pipes are listed below: Copper Pipes Pex pipes Copper creates a perfect biostatic environment (It does not allow for the growth of bacteria inside pipes). Pex pipes are not as effective as copper pipes in this aspect. ...
The crystal structure has been solved and refined by a combination of three-dimensional Patterson and Fourier series and by the method of least squares. 1873 independent integrated intensities were measured by PEXRAD; the final agreement factor between measured and calculated structure factors is ...
We also believe that a prospective longitudinal cohort study should be performed in patients with PEX to determine the relative risk of serious cardiovascular events in relation to other risk factors. Conflict of interest The authors declare no conflict of interest. References 1 Yusuf IH. Pseudo...
Lattice-Boltzmannandfinite-differencesimulationsforthepermeability forthree-dimensionalporousmedia C.Manwart, 1 U.Aaltosalmi, 2 A.Koponen, 2 R.Hilfer 1,3 andJ.Timonen 2 1 ICA-1,Universita¨tStuttgart,70569Stuttgart,Germany 2 DepartmentofPhysics,UniversityofJyva¨skyla¨,P.O.Box35,FIN-40351Jyva...
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The crystal structure has been solved and refined by a combination of three-dimensional Patterson and Fourier series and by the method of least squares. 1873 independent integrated intensities were measured by PEXRAD; the final agreement factor between measured and calculated structure factors is ...
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For the losing control problem, this paper presents a solution of indirectly controlling torque by controlling the angle difference between the power motor (PM) stator flux and the control motor (CM) stator flux (called as the flux-angle-difference). Firstly, based on the CM static coordinate ...