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Wyświetlanie 1-5 z 5
Tytuł:
The application of topographical survey and the arcgis spatial analys “Darcy Flow” tool in managing the nurseries of rubber tress
Autorzy:
Eboigbe, M.A.
Obasogie, F.O.
Alasah, I.
Idiata, D.J.
Powiązania:
https://bibliotekanauki.pl/articles/11084.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:
Farmers often rely on the physical appearance of rubber tree seedlings to decipher on growth rate. In situations of doubt especially when there is obvious reduction in chlorophyll or coax decay of roots, the most likely situation is induction by flooding. A sound nursery management technique which is both responsive to continuous monitoring of the terrain and also able to generate data for restoration is most desired. This study therefore employs a geospatial technique whereby topographical survey was used to pick field data while Geographical Information System analyses was able to generate accurate information on areas likely to both surface and underground discharge of materials. This method was also able to sum up all affected areas, alongside other attributes like the direction of surface flow and the rate of discharge.
Źródło:
International Letters of Natural Sciences; 2014, 13, 2
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Removing lead from Iranian industrial wastewater
Autorzy:
Salmani, B.K.
Amoozegar, M.A.
Babavalian, H.
Tebyanian, H.
Shakeri, F.
Powiązania:
https://bibliotekanauki.pl/articles/11541.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:
Metals and chemicals have been increased in industrial processes which they contain a high level of toxic heavy metals and cause a lot of disadvantages for the environment and human health .Biosorption of Pb (П) ions has been studied from aqueous solutions in a batch system by using a bacterial strain isolated from petrochemical wastewaters. Strain 8-I was selected to study the impact of different factors on removal rate. According to morphological, physiological and biochemical characterizations of the strain and in comparison with other studies the strain was tentatively identified as Bacillus sp strain 8-I. The maximum Lead biosorption capacity of 8-I isolate was determined to be 41.58 % at pH 4.0 with 80 mg/l concentration in 48 hours equilibrium time. The comparison between the biosorption capacity of live (45.50 mg/g), heat inactivated (30.23 mg/g) and NaN3 pretreated biomass (26.86 mg/g) were indicated that the ability of live biomass for both of active and passive uptake of lead.
Źródło:
International Letters of Natural Sciences; 2016, 57
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study on haloalkaliphilic sulfur-oxidizing bacterium for thiosulfate removal in treatment of sulfidic spent caustic
Autorzy:
Makzum, S.
Amoozegar, M.A.
Dastgheib, S.M.M.
Babavalian, H.
Tebyanian, H.
Shakeri, F.
Powiązania:
https://bibliotekanauki.pl/articles/11481.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:
Due to the disadvantages of physiochemical methods for sulfidic spent caustic treatment, attentions are drawn to the environmental-friendly biotreatments including sulfur-oxidizing haloalkaliphiles. Thioalkalivibrio versutus DSM 13738 was grown at alkaline (pH10) autotrophic medium with sodium carbonate/bicarbonate as the sole source of carbon and amended with sodium thiosulfate as the electron and energy source. The effect of various parameters including temperature (25-40 °C), pH (8-11), NaCl concentration (0.5-5 % w/v) and sodium thiosulfate concentrations (100-750 mM) was evaluated on bacterial growth and thiosulfate removal. This strain could eliminate sodium thiosulfate at very high concentrations up to 750 mM. The results showed that the highest specific growth rate was pH 9.5 and thiosulfate removal of Thioalkalivibrio versutus occurred at pH 10.5. The optimum salt concentration for thiosulfate removal was 2.5 % w/v and 5 % NaCl and specific growth rate elevated 2.5% w/v. It was also specified that this strain thrives occurred in 37 ºC and at 35 and 37 ºC higher removal of thiosulfate. Following chemical oxidation of sulfide to thiosulfate, application of Thioalkalivibrio versutus could be promising for spent caustic treatment. Since thiosulfate is utilized as an energy source, highest removal efficiency occurred at marginally different conditions compared to optimal growth.
Źródło:
International Letters of Natural Sciences; 2016, 57
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of some organic fertilizers on growth, yield and quality of tomato (Solanum lycopersicum)
Autorzy:
Kalbani, F.O.S.A.
Salem, M.A.
Cheruth, A.J.
Kurup, S.S.
Senthilkumar, A.
Powiązania:
https://bibliotekanauki.pl/articles/11283.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:
In the present study, a field experiment was conducted to study the effect of some organic fertilizers on four varieties of tomato viz., Sadia F1, Isabella F1, Lelord and Sun cherry for its growth, yield and fruits sensory. A total of 64 plots were prepared with the dimension of 3 m2 x 4 m2 and each plot was applied with recommended doses of organic fertilizers. The results on the growth parameters of the studied tomato varieties showed that the chicken manure had the significant effect on plant height and root length of Isabella F1, leaf area of sun cherry, root fresh and dry weight and of Lelord, leaves fresh and dry weight of Sadia F1. Whereas, shoot fresh and dry weight of Isabella tomato variety was increased when treated with mixed manure. Agro fish pellet treatment had increased the stem diameter of Isabella F1 significantly. The number of flowers and fruits of sun cherry tomato variety were increased when treated with agro fish pellet. Agro fish also influenced the fruits number in Sadia F1 and fruit yield of lelord followed by Isabella F1 respectively. The sensory evaluation of the fruits of studied tomato varieties revealed that chicken manure had good result on the overall quality of the fruits of Sadia F1 and Sun cherry. Agro fish pellet and mixed manure has influenced the overall quality of Isabella F1 and Lelord variety tomato fruits.
Źródło:
International Letters of Natural Sciences; 2016, 53
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gamma radiation treated chitosan solution for strawberry preservation: Physico-chemical properties and sensory evaluation
Autorzy:
Jesmin, S.
Al-Jubayer, A.
bin Eusuf, S.
Kamal, A.H.M.
Islam, J.M.M.
Ferdoush, F.
Kabir, S.E.
Khan, M.A.
Powiązania:
https://bibliotekanauki.pl/articles/11054.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Źródło:
International Letters of Natural Sciences; 2016, 60
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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