Volume-6 , Issue-5 , May 2020, ISSN 2454-9312 (Online), 2454-6143 (Print) Go Back

• Open Access   Article

  Origin of Chalcopyrite Disease from Lead-Zinc-Silver-Gold Mineralization of Scharchet Area, Thabeikkyin Township, Mandalay Region, Myanmar

  Myo Min Tun, May Thet Aye

  Research Paper | Journal-Paper (IJSRMS)

  Vol.6 , Issue.5 , pp.81-86, May-2020

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  Chalcopyrite disease in sphalerite could be resulted from various processes such as exsolution, replacement and co-precipitation. The disease texture developed from exsolution process commonly occurs in metamorphosed sulphide ores. Morphological or textural features of chalcopyrite inclusion in host sphalerite could be used to discriminate between the replacement and co-precipitation mechanisms. Replacement products are characterized by the lamellar nature however co-precipitation products are characterized by triangular habits of chalcopyrite. In the present study, textural characteristics of chalcopyrite and sphalerite developing ?chalcopyrite disease? in ores samples from the polymetallic mineralization of Scharchet area has been examined under ore microscope using refracted light. Based on the textural features of chalcopyrite inclusions in the host sphalerite examined from optical ore microscopy, the formation mechanism of chalcopyrite disease has been determined. Base on the ore microscopic examination, the chalcopyrite disease occurring in the sphalerite from the Scharchet ore mineralization was characterized by triangular habit of chalcopyrite and those blebs are in epitaxial nature. Thus, it can be concluded that chalcopyrite disease texture in the Scharchet ore has been resulted from the co-precipitation process during mineralization.

  Key-Words / Index Term
  Scharchet, Chalcopyrite Disease, Polymetallic, Epitaxial, Co-precipitation

  References
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  [11] M.T. Aye, M.M. Tun, Z.L. Kyaw, Y.N. Tun, M.Aung, ?Garnet Skarn in Kantha-Aungtharya Area, Thabeikkyin Township, Mandalay Region, Myanmar,? In the Proceeding of 10th International Conference on Science and Engineering, Myanmar, pp. 149-153, 2019.
  [12] M.M.Tun, K.Yonezu, M.T.Aye, Min Aung, T.T. Nu, K. Watanabe, ?Ore Mineralogy and Paragenesis of Pb-Zn-Ag?Au Mineralization in the Sharchet Area, Thabeikkyin Township, Mandalay Region, Myanmar? In the Proceeding of 7th Asia-Africa Mineral Resources Conference, Myanmar, pp. 156-160, 2017.
  

  Citation
  Myo Min Tun, May Thet Aye, "Origin of Chalcopyrite Disease from Lead-Zinc-Silver-Gold Mineralization of Scharchet Area, Thabeikkyin Township, Mandalay Region, Myanmar," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.5, pp.81-86, 2020

• Open Access   Article

  Evaluation of Climate Change by Using LARS-WG5 Model in the Selection Watershed of North Iran

  Abbas Gholami

  Research Paper | Journal-Paper (IJSRMS)

  Vol.6 , Issue.5 , pp.87-96, May-2020

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  In order to achievement of this research objectives , used the LARS-WG5 model weather-based generation models, a series of scenarios related to the IPCC (United Nations Climate Change Commision).The research area was the Talar watershead of Mazandaran Province in North of Iran. Based on the selected base period and the mean monthly rainfall and temperature of the base period ,the monthly rainfall and monthly temperature Was carried out by the latest model LARS-WG5 for the three different series used in the research for future simulations. Also, in order to better study, the minimum and maximum temperatures for future periods were calculated by the model with the base period. According of the results, it is revealed in different months of the year there was many differences between observed monthly rainfall and simulation by this model.The monthly average rainfall trend is that from 1 January to the end of the May.The average monthly precipitation increases in future periods compared to the base period. In June, the decline, rising in July and Augus and decrease in September. Also in October, November and December, we will see a dramatic increase in the amount of precipitation coming in the future.On the other hand, the months of May and October have the most rainfall changes in the coming periods.The consequences of these changes may be affected in seasonal flood events in the study area.Current and future temperatures shows the highest temperature variation in June, August and February that indicating the hot months of the year are warmer and even in February in the future. Comparison of average maximum and minimum temperatures during the base period and simulated by the HADCM3 Talar basin model hot ,warmer and confirm subject.

  Key-Words / Index Term
  Climate change, Variation of Precipitation, Temperature condition , LARS-WG model, Talar watershed

  References
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  Citation
  Abbas Gholami, "Evaluation of Climate Change by Using LARS-WG5 Model in the Selection Watershed of North Iran," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.5, pp.87-96, 2020

• Open Access   Article

  Microbiological Potentials of Some Food Sold In Sa?adatu Rimi College of Education Kumbotso Kano Nigeria

  S.A. Ado

  Research Paper | Journal-Paper (IJSRMS)

  Vol.6 , Issue.5 , pp.97-100, May-2020

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  Abstract
  Pathogenic bacteria from the hands of food handlers and the food were isolated to determine the contamination potential of enterobacteriacea in some common food consumed at different selling points in Sa?adatu Rimi College of Education Kano State. 50 food samples were collected from the area under study which include, rice and beans, Boiled moringer leafs, boiled maize, roasted meat, salted groundnut, boiled cassava, Danwake and Gurasa among others. It shows that Staphylococcus aureaus and Escherichia coli are the predominant species found in all the samples analyzed. Proper personal hygiene and other source of contamination need to be taken care in order to prevent contamination of food among food sellers.

  Key-Words / Index Term
  Isolation, Characterization, Bacteria, Pathogen, Food, Handler

  References
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  Citation
  S.A. Ado, "Microbiological Potentials of Some Food Sold In Sa?adatu Rimi College of Education Kumbotso Kano Nigeria," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.5, pp.97-100, 2020

• Open Access   Article

  Bio-economic trends of the Hilsa Shad (Tenualosa ilisha) fishery: Perspectives of transboundary management

  Shatrajit Goswami

  Research Paper | Journal-Paper (IJSRMS)

  Vol.6 , Issue.5 , pp.101-112, May-2020

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  Abstract
  Hilsa Shad (Tenualosa ilisha), the choicest table fish of the Indian Sub-continent,provides livelihood for2.5 million fishers in Bangladesh (Islam et al. 2016)and 0.46 million inWest Bengal, India. The contribution of Hilsa to GDP is around 1 % (Mohammed 2014) in Bangladesh .Hilsa is an anatropous fish spread over Ganga-Brahmaputra-Meghna basin which sprawled across the International boarders of India and Bangladesh. This paper suggest that such steps towards the long term sustainability of the Hilsa fishery are not to be taken unilaterally but through a trans-boundary management approach by neighbouring India and Bangladesh.

  Key-Words / Index Term
  Hilsa fishery, Economic efficiency; Discount rate, Effort dynamics, Trans-boundary management

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  Shatrajit Goswami , "Bio-economic trends of the Hilsa Shad (Tenualosa ilisha) fishery: Perspectives of transboundary management," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.5, pp.101-112, 2020

• Open Access   Article

  Crime and Socio- Economic condition in India........

  Shatrajit Goswami

  Research Paper | Journal-Paper (IJSRMS)

  Vol.6 , Issue.5 , pp.113-119, May-2020

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  Key-Words / Index Term
  Crime, Socio-Economic conditions, Breach of Trust, Robbery, Economic Development, Co-integration, VECM

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  Shatrajit Goswami, "Crime and Socio- Economic condition in India........," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.5, pp.113-119, 2020

• Open Access   Article

  Theoretical Investigation of Electronic Structures and Stabilities of Microhydrated SO42− and HSO4− Ions

  Anant Babu Marahatta

  Research Paper | Journal-Paper (IJSRMS)

  Vol.6 , Issue.5 , pp.120-132, May-2020

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  Although microhydration simply refers to the inclusion of discrete water molecules in the immediate environs of the ions, it always plays decisive role while computing electronic stabilities and ground state electronic structures of the microhydrated ions at atomic levels. This insight is mainly aimed to probe deep into the molecular-level of SO42− and HSO4− ions hydration by employing density functional theory (DFT) model, and to unveil the influence of hydration on their equilibrium structures. The remarkable findings are: (a) In [SO42−(H2O)n], whenever degree of solvation n = 1 to 4 H2O, the SO42− attracts H2O strongly enough that two H−bonds are formed with each H2O, and when n > 4 H2O (in this case, [SO42−(H2O)16]), the SO42− forms single H−bond with H2O that is further bonded to another H2O by H−bonds; (b) In [HSO4−(H2O)n], the central bisulfate H−atom always involves in H-bond formation to the nearest H2O molecule, and whenever n < 3 H2O, the bisulfate O−atoms make two or more H-bonds with H2O; but when n  3 H2O, these O−atoms form one to two H−bonds with H2O that is further linked to another H2O by H−bond. The significance and originality of this study lies in enlightening most of the physicochemical properties of SO42− and HSO4− ions in any inorganic sulfate and bisulfate aqueous type solutions (including in extracellular fluid of human body), as well as in modelling their hydrated systems while exploring solvation dynamics in bulk solutions.

  Key-Words / Index Term
  Micro-hydration, Hydrated sulfate/bisulfate ions, Electronic stabilities, DFT energy minimization

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  Citation
  Anant Babu Marahatta, "Theoretical Investigation of Electronic Structures and Stabilities of Microhydrated SO42− and HSO4− Ions," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.5, pp.120-132, 2020