Autor: Šír, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Removal of pesticides and inorganic pollutants by reverse osmosis
Autorzy:: Šír, M.
Podhola, M.
Patočka, T.
Honzajková, Z.
Kocurek, P.
Bystrianský, M.
Vurm, R.
Kubal, M.
Powiązania:: https://bibliotekanauki.pl/articles/207770.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: groundwater
groundwater pollution
pesticides
reverse osmosis
water treatment
batch process
chlorinated pesticides
inorganic pollutants
polyamide membranes
wody gruntowe
zanieczyszczenie wód gruntowych
pestycydy
odwrócona osmoza
uzdatnianie wody
proces wsadowy
chlorowane pestycydy
zanieczyszczenia nieorganiczne
membrany poliamidowe
Opis:: Contamination of soil and groundwater with pesticides is mainly caused by old ecological burdens. This study focuses on the treatment of groundwater contaminated with chlorinated pesticides. The contaminants mainly include α-HCH, β-HCH, γ-HCH, HCB, DDE, DDD and DDT. Reverse osmosis technology using RO98pHt polyamide membranes was used to remove the pollutants under batch process conditions. The observed rate of removal ranged from 98.4% to 99.7%. Total dissolved content solids decreased from 1.35 g/dm3 to below 0.05 g/dm3.
Źródło:: Environment Protection Engineering; 2015, 41, 2; 159-166
0324-8828
Pojawia się w:: Environment Protection Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: InAs/InAsSb superlattice infrared detectors
Autorzy:: Ting, David Z.
Soibel, Alexander
Khoshakhlagh, Arezou
Keo, Sam A.
Rafol, Sir B.
Fisher, Anita M.
Hill, Cory J.
Pepper, Brian J.
Maruyama, Yuki
Gunapala, Sarath D.
Powiązania:: https://bibliotekanauki.pl/articles/2204211.pdf
Data publikacji:: 2023
Wydawca:: Polska Akademia Nauk. Stowarzyszenie Elektryków Polskich
Tematy:: infrared detector
type-II superlattice
InAs/InAsSb
complementary barrier infrared detectors
strained layer superlattice
Opis:: Mid-wavelength infrared detectors and focal plane array based on n-type InAs/InAsSb type- II strained layer superlattice absorbers have achieved excellent performance. In the long and very long wavelength infrared, however, n-type InAs/InAsSb type-II strained layer superlattice detectors are limited by their relatively small absorption coefficients and short growth-direction hole diffusion lengths, and consequently have only been able to achieve modest level of quantum efficiency. The authors present an overview of their progress in exploring complementary barrier infrared detectors that contain p-type InAs/InAsSb type-II strained layer superlattice absorbers for quantum efficiency enhancement. The authors describe some representative results, and also provide additional references for more indepth discussions. Results on InAs/InAsSb type-II strained layer superlattice focal plane arrays for potential NASA applications are also briefly discussed.
Źródło:: Opto-Electronics Review; 2023, 31, Special Issue; art. no. e144565
1230-3402
Pojawia się w:: Opto-Electronics Review
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Long wavelength type-II superlattice barrier infrared detector for CubeSat hyperspectral thermal imager
Autorzy:: Rafol, Sir B.
Gunapala, Sarath D.
Ting, David Z.
Soibel, Alexander
Khoshakhlagh, Arezou
Keo, Sam A.
Pepper, Brian J.
Hill, Cory J.
Maruyama, Yuki
Fisher, Anita M.
Sood, Ashok
Zeller, John
Wright, Robert
Lucey, Paul
Nunes, Miguel
Flynn, Luke
Babu, Sachidananda
Ghuman, Parminder
Powiązania:: https://bibliotekanauki.pl/articles/2204204.pdf
Data publikacji:: 2023
Wydawca:: Polska Akademia Nauk. Stowarzyszenie Elektryków Polskich
Tematy:: type-II superlattice
focal plane array
infrared detector
quantum efficiency
noise equivalent difference temperature
dark current density
anti-reflective coating
Opis:: The hyperspectral thermal imaging instrument for technology demonstration funded by NASA’s Earth Science Technology Office under the In-Space Validation of Earth Science Technologies program requires focal plane array with reasonably good performance at a low cost. The instrument is designed to fit in a 6U CubeSat platform for a low-Earth orbit. It will collect data on hydrological parameters and Earth surface temperature for agricultural remote sensing. The long wavelength infrared type-II strain layer superlattices barrier infrared detector focal plane array is chosen for this mission. With the driving requirement dictated by the power consumption of the cryocooler and signal-noise-ratio, cut-off wavelengths and dark current are utilized to model instrument operating temperature. Many focal plane arrays are fabricated and characterised, and the best performing focal plane array that fulfils the requirements is selected. The spectral band, dark current and 8-9.4 μm pass band quantum efficiency of the candidate focal plane array are: 8-10.7 μm, 2.1∙10ˉ⁵ A/cm², and 47%, respectively. The corresponding noise equivalent difference temperature and operability are 30 mK and 99.7%, respectively. Anti-reflective coating is deposited on the focal plane array surface to enhance the quantum efficiency and to reduce the interference pattern due to an absorption layer parallel surfaces cladding material.
Źródło:: Opto-Electronics Review; 2023, 31, Special Issue; art. no. e144569
1230-3402
Pojawia się w:: Opto-Electronics Review
Dostawca treści:: Biblioteka Nauki

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