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RISS 인기검색어
- 검색키워드
- 저자 : Mohammad Salim Akhter (검색결과 3 건)
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Md. Parvez Rana,Mohammed Salim Uddin,Mohammad Shaheed Hossain Chowdhury,Md. Shawkat Islam Sohel,Sayma Akhter,Masao Koike 강원대학교 산림과학연구소 2009 Journal of Forest Science Vol.25 No.3
An exploratory study was conducted in Juri Forest Range-2, a proposed biodiversity conservation area of Bangladeshto explore the present growing stock of tree, regeneration condition and status of non-timber forest products (NTFPs). Thisconservation area contains both natural and artificial plantation was selected by using multistage random sampling method. Fordetermination of plot size and sampling methods, the quadrate size (10 m×10 m) for tree stock measurement, (2 m×2 m) forregeneration survey, (20 m×20 m) for NTFPs survey was determined. Regarding tree stock survey, 14 species under eight familieswere found where Tectona grandis shows average number of stem/ha was 624 and basal area/ha was (10.36 m2/ha) followed byAcacia auriculiformis (0.2 m2/ha and 637 stem/ha), Gmelina arborea (0.2 m2/ha and 600 stem/ha). In regeneration survey, 14species were found belonging to 9 families where Alstonia scholaris shows highest (3,750) seedling per hectare. Regarding NTFPs,bamboo and cane are the most common resources. In last ten years, the total timber output was 1,28,596.14 cubic feet and totalamount of revenue was 4,64,434 US$. The vacant area is 1,335.5 acre which contains 14% of total area. If this vacant area isplanted with suitable species and take proper steps for appropriate management of this species it will be a good biologicallydiversified area.
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Rana, Md. Parvez,Uddin, Mohammed Salim,Chowdhury, Mohammad Shaheed Hossain,Sohel, Md. Shawkat Lsiam,Akhter, Sayma,Kolke, Masao Institute of Forest Science 2009 Journal of Forest Science Vol.25 No.3
An exploratory study was conducted in Juri Forest Range-2, a proposed biodiversity conservation area of Bangladesh to explore the present growing stock of tree, regeneration condition and status of non-timber forest products (NTFPs). This conservation area contains both natural and artificial plantation was selected by using multistage random sampling method. For determination of plot size and sampling methods, the quadrate size ($10m{\times}10m$) for tree stock measurement, ($2m{\times}2m$) for regeneration survey, ($20m{\times}20m$) for NTFPs survey was determined. Regarding tree stock survey, 14 species under eight families were found where Tectona grandis shows average number of stem/ha was 624 and basal area/ha was (10.36 $m^2/ha$) followed by Acacia auriculiformis (0.2 $m^2/ha$ and 637 stem/ha), Gmelina arborea (0.2 $m^2/ha$ and 600 stem/ha). In regeneration survey, 14 species were found belonging to 9 families where Alstonia scholaris shows highest (3,750) seedling per hectare. Regarding NTFPs, bamboo and cane are the most common resources. In last ten years, the total timber output was 1,28,596.14 cubic feet and total amount of revenue was 4,64,434 US$. The vacant area is 1,335.5 acre which contains 14% of total area. If this vacant area is planted with suitable species and take proper steps for appropriate management of this species it will be a good biologically diversified area.
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Shama Sehar,Layla Jassim Hazeem,Iffat Naz,Abdul Rehman,Wuyang Sun,Saleh S. Alhewairini,Ali Salman Bin Thani,Mohammad Salim Akhter,Adnan Younis 한국화학공학회 2021 Korean Journal of Chemical Engineering Vol.38 No.11
Industrial effluents that contain various toxic substances have polluted our water and soil and posed major health issues. Thus, their removal or conversion to non-toxic products is highly crucial and desirable. This work emphasizes the synthesis of sulfur nanoparticles through precipitation method using anionic and cationic surfactants for exploring its catalytic efficiency in the photocatalytic reduction of hexavalent chromium Cr (VI). As-synthesized sulfur nanoparticles (SNPs) were physically characterized by UV-Vis absorption, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and dynamic light scattering (DLS) measurements. The SNPs prepared using both surfactants have narrow size distribution with great homogeneity (50-80 nm). Moreover, excellent efficiency for Cr (VI) to Cr (III) reduction was recorded for SNPs. Besides, cytotoxicity analysis against microalgae Picochlorum sp. was analyzed and the SNPs showed no negative effect on algal growth and chlorophyll a concentration. Finally, the SNPs were found to provide excellent sunlight protection. Our results highlight that SNPs have great potential for the treatment of industrial wastewater with greater reproducibility. Moreover, they are equally effective against harmful sun rays and are suitable in different skin care products.
KCI
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