Wyniki wyszukiwania dla: PSF

• Spatially variant PSF modeling in confocal macroscopy

  Publikacja

  • A. Jezierska
  • H. Talbot
  • J. Pesquet

  - Rok 2018

  The point spread function (PSF) of imaging systems plays an essential role in image reconstruction. In the context of confocal microscopy, optical performance degrades towards the edge of the field of view. In confocal macroscopy, the related artifacts are even stronger, as the field of view is much larger. Because the related PSFs are strongly spatially variant, it is essential to be able to model them with few parameters. The...

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• Characterization of a cryptic plasmid pSFKW33 from Shewanella sp. 33b

  Publikacja

  • K. Werbowy
  • H. Cieśliński
  • J. Kur

  - PLASMID - Rok 2009

  A cryptic plasmid pSFKW33 from psychrotrophic bacterium Shewanella sp. 33B, an isolate from the Gulf of Gdansk (the Baltic Sea), was sequenced and characterized. It is an 8021 bpcircular molecule with 38% GC content, which shows a distinctive nucleotide sequence without homology to other known plasmids. The nucleotide sequence analysis predicts eight open reading frames. The deduced amino acid sequence of ORF-1 shared significant...

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• Hyperbranched polyethylenimine functionalized silica/polysulfone nanocomposite membranes for water purification

  Publikacja

  • V. Vatanpour
  • M. Jouyandeh
  • S. S. Mousavi Khadem
  • M. Ganjali
  • H. Moradi
  • S. Mirsadeghi
  • A. Badiei
  • A. Esmaeili
  • N. Rabiee
  • S. Habibzadeh... i 3 innych

  - CHEMOSPHERE - Rok 2022

  Hyperbranched polyethyleneimine functionalized silica (PEI-SiO2) nanoparticles with considerable hydrophilicity were synthesized and incorporated into a polysulfone (PSF)/dimethylacetamide (DMA)/polyvinylpyrrolidone (PVP) membrane casting solution in five different ratios to fabricate PEI-SiO2/PSF nanocomposite membranes using nonsolvent-induced phase separation. The hydrophilic PEI-SiO2 nanoparticles were characterized by TEM,...

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• Application of g-C3N4/ZnO nanocomposites for fabrication of anti-fouling polymer membranes with dye and protein rejection superiority

  Publikacja

  • V. Vatanpour
  • S. S. Mousavi Khadem
  • A. Dehqan
  • S. Paziresh
  • M. Ganjali
  • M. Mehrpooya
  • E. Pourbasheer
  • A. Badiei
  • A. Esmaeili
  • I. Koyuncu... i 5 innych

  - JOURNAL OF MEMBRANE SCIENCE - Rok 2022

  Polysulfone (PSf) membranes are privileged for water and wastewater treatment, but because of their hydrophobic nature, they suffer from fouling, which lowers their performance and lifetime. In this work, g-C3N4 and g-C3N4/ZnO nanomaterials were synthesized via a hydrothermal method to modify the PSf membrane for effective dye separation and reduction of organic fouling. Since g-C3N4/ZnO possesses –OH and –NH reactive groups, g-C3N4/ZnO/PSf...

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• Warstwowy system zabezpieczeń w przemysłowych instalacjach podwyższonego ryzyka

  Publikacja

  • K. Kosmowski

  - Rok 2015

  Rozdział poświęcono aktualnym zagadnieniom analizy i projektowania warstw zabezpieczeń w kontekście oceny ryzyka i zarządzania bezpieczeństwem funkcjonalnym w cyklu życia z wyróżnieniem trzech warstw: (1) podstawowego systemu sterowania BPCS (basic process control system), (2) człowieka-operatora korzystającego opcjonalnie z systemu alarmowego AS (alarm system) oraz (3) przyrządowego systemu bezpieczeństwa SIS (safety instrumented...