Autor: Waqas, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Frequency of hepatitis E and Hepatitis A virus in water sample collected from Faisalabad, Pakistan
Autorzy:: Ahmad, T.
Anjum, S.
Zaidi, N-us-S.S.
Ali, A.
Waqas, M.
Afzal, M.S.
Arshad, N.
Powiązania:: https://bibliotekanauki.pl/articles/50021.pdf
Data publikacji:: 2015
Wydawca:: Instytut Medycyny Wsi
Źródło:: Annals of Agricultural and Environmental Medicine; 2015, 22, 4
1232-1966
Pojawia się w:: Annals of Agricultural and Environmental Medicine
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Spatiotemporal monitoring of CO2 and CH4 over Pakistan using Atmospheric Infrared Sounder (AIRS)
Autorzy:: Mahmood, I.
Iqbal, M.F.
Shahzad, M.I.
Waqas, A.
Atique, L.
Powiązania:: https://bibliotekanauki.pl/articles/11805.pdf
Data publikacji:: 2016
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:: Carbon dioxide (CO2), Methane (CH4) are two most potent greenhouse gases and are major source of climate change. Human activities particularly fossil fuels burning have caused considerable increase in atmospheric concentrations of greenhouse gases. CO2 contributes 60% of anthropogenic greenhouse effect whereas CH4 contributes 15%. Ice core records also show that the concentrations of Carbon dioxide and methane have increased substantially. The emission of these gases alters the Earth’s energy budget and are drivers of climate change. In the present study, atmospheric concentration of CO2 and CH4 over Pakistan is measured using Atmospheric Infrared Sounder (AIRS). Time series and time averaged maps are prepared to measure the concentrations of CO2 and CH4. The results show considerable increase in concentration of Carbon dioxide and methane. The substantial increase in these concentrations can affect human health, earth radiative balance and can damage crops.
Źródło:: International Letters of Natural Sciences; 2016, 58
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Removal of chromium(VI) from wastewater through ion exchange. Kinetic and scale up studies
Autorzy:: Ahmad, Syed Waqas
Zafar, Muhammad Shahzad
Ahmad, Sajjad
Zia-Ul-Haq, M.
Ashraf, Muhammad
Rabbani, Javed
Ullah, Sami
Powiązania:: https://bibliotekanauki.pl/articles/208034.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: ion exchange
industrial wastewater
anion resin
heavy metals
cadmium
wymiana jonowa
ścieki przemysłowe
żywica anionowa
metale ciężkie
kadm
Opis:: Chromium(VI) ions were removed from industrial wastewater. In this regard, a rig was fabricated carrying alkaline anion resin. Various experiments were carried out by varying pH, temperature and volumetric flow rate of solution by employing a rig to study the kinetics of the ion exchange process. The rate constant (k) and maximum solid phase concentration of exchanged solute (q₀) were calculated using the Thomson equation to scale up the purification process of industrial runoff of chromium(VI) from the tanning, photography and ceramic industry. Experimental optimization revealed that developed setup will remove chromium(VI) to a level of 5 mg/dm³ from 300 mg/dm³ in 40 000 dm³ of wastewater. To achieve the best results for the flow rate of 10 000 ³ 3/day, 12.03 kg of anionic resin were recommended by fixing the pH of the setup at 7.4 while maintaining the treatment temperature at 20 °C.
Źródło:: Environment Protection Engineering; 2019, 45, 1; 17-29
0324-8828
Pojawia się w:: Environment Protection Engineering
Dostawca treści:: Biblioteka Nauki

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