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1. Maleic anhydride grafted polysulfone(PSF g MAH) was prepared.

2. Point spread function (PSF) and Strehl ratio (SR) are used to evaluate the imaging quality of the system with different defocus parameters.

3. The validity of the PSF estimating method and superiority of windowed Wiener filter over standard Wiener filter are clearly demonstrated by experiments.

4. Blind image restoration is to recover the original image form the observed degraded image with unknown the Point Spread Function (PSF).

5. The PSF reconstructed in the first restoration, P 1, obviously does not fit into the constrained size.

6. The primary difficulty with blind image restoration is insufficient information. This calls for proper incorporation of apriori knowledge about the image and the point-spread function(PSF).

7. When point spread function(PSF)is not known or only partially determined, restoration of the degraded images is called blind image restoration (BIR).

8. The solution proposed here identifies important parameters with which to characterize the point spread function (PSF) of the blur, given only the blurred image itself.

9. The microcomposites of aromatic-aliphatic copolyamide with polysulfone (PAA/PSF) were synthesized by in-situ polycondensation.

10. A novel analytical method has been established for on-line simultaneous determination of fluorene and acenaphthene by polarization synchronous fluorometry(PSF)hyphenated with HPLC.

11. The main products are PSF, carpet yarn, high - grade wool carpets, and a one - stop production.

12. This requires a reasonably steady PSF because images of different stars are taken on different days.

13. Based on Fourier optical theory, PSF(Point Spread Function)and OTF(Optical Transfer Function)are introduced. Then the mechanism why digital image is focused in optics imaging system is also analyzed.

14. Due to the increased cost of polyester raw materials, DAK Americas will increase prices for all Polyester Staple Fiber (PSF) products.

15. A new method is proposed for estimating the PSF(point spread function) values of turbulence from turbulence degraded images.

16. The definition and properties of commutative weakly left PSF monoids are introduced, and furthermore a kind of special monoid which all weakly flat acts are flat are discussed.

17. The opportunity and challenge of pelletizing shaft furnace( PSF ) at present in China were firstly analyzed.

18. BACKGROUND: Acute suppurative thyroiditis (AST) is very rare. Pyriform sinus fistula (PSF) is implied as a cause of AST.

19. The point-spread function (PSF) characterizes the resolution of the image, which is a function of the receiving array length and the ambient bandwidth.

20. Based on physical optics theorem, point spread function (PSF) is calculated.

21. By means of two - step dry mixing - loosening technique, the problem of even dispersing of PSF was solved.

22. Summary of Background Data. A common treatment for spasticity in children with cerebral palsy is ITB. This population also has a high incidence of severe spinal deformities requiring PSF.

23. Fluorescence power transfer function, three dimensional point spread function (3D PSF) and three dimensional optical transfer function (3D OTF) for the various fluorescent wavelength are calculated.

24. The increase of PEG concentration changed the phase balance in the PSF/PEG casting membrane liquid system which became an unstable one, and speeded up the phase separate.

25. Synthesis and characterization of a series of Polysulfone ( PSF ) - Polyesters ( PEs ) block copolymers were undertaken.

26. Objective. To report the technical considerations and complications associated with ITB in patients undergoing PSF.

27. A novel friction material reinforced with polysulfonainide fiber ( PSF ) was developed.

28. Selected swelling agent was applied to dyeing sequence of polysulfonamide fabric ( PSF ).

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29. The impact strength of their composites increases obviously and, being toughened with PSF, by a factor of 90 %.

30. Depending upon locality, these vary from about 10 to 50 psf.