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Open Access Article
Muhammad Yusril Hardiansyah, Abdul Mollah Jaya
Research Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.1-7, Oct-2020
Abstract
Based on data from the Southeast Sulawesi Province Mining and Mineral Resources Office, Indonesia in 2016 stated that Bombana Regency had gold resources of 1,125,000 metric tons. Small-scale gold mining in Bombana Regency raises various environmental problems, the main threat that occurs is contamination of heavy metal mercury (Hg). This pollution occurs as a result of miners using mercury as a medium for storing gold from its carrying material which causes mercury to mix with exhaust air and then pollutes the environment such as water, soil and rivers, even mercury will also seriously endanger the health of the surrounding community due to the bad impact of mercury on human health. The solution offered is to utilize indigenous bacteria as a bioremediation agent that can reduce mercury. This study aims to obtain data and information regarding the use of indigenous bacteria as mercury bioremediation agents in ex-mining land in Bombana Regency, Southeast Sulawesi, Indonesia. This study used a descriptive method by providing an overview and explanation of the utilization of indigenous bacteria as bioremediation agents. The analysis process is carried out on the collected data which is then presented in the discussion. The synthesis was carried out by using a cross-link study between the collected data and the relevant theories and concepts. The original mercury-reducing bacteria were Pseudomonas sp., Bacillus sp., Eschericia coli, Morganella morganii, Micrococcos luteus, and Brevibacillus sp. which is a bacteria that can function as a bioremediation of waste containing mercury. So that waste from gold mining in Bombana district can be processed into safer waste for the environment and society.Key-Words / Index Term
Bombana Regency, Gold Mining, Indigenous Bacteria, MercuryReferences
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Muhammad Yusril Hardiansyah, Abdul Mollah Jaya, "Indigenous Bacteria as Bioremediation Agent for Reducing Mercury (Hg) in The Land of Former Gold Mine in Bombana Regency, Indonesia," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.1-7, 2020 -
Open Access Article
B.O.K. Essah
Research Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.8-13, Oct-2020
Abstract
The research sought to assess Early Grade Pre-service teachers` attitude and knowledge in teaching Science in Ghana. The study adopted a cross-sectional design. The Early Grade Pre-service teachers’ estimated population were 80. A simple random sampling technique and a sample size of 60 were used to collect data for analysis. The data collection instrument used was a questionnaire survey. Descriptive statistics such as percentages and frequencies were used to analyse demographic characteristics such as sex, age and academic qualification of respondents. Descriptive statistics such as mean, standard deviation, frequencies and percentages were used in assessing Early Grade Pre-service teachers` attitude and knowledge in teaching Science in Ghana. This study discovered that a greater portion of the respondents indicated an average present level of attitude and knowledge in teaching Integrated Science. Some teachers stated wrongly that Photosynthesis is topic under Physics aspect of integrated Science. This is an indication that teachers did not have knowledge about photosynthesis .The study revealed that majority of the Pre-service teachers used integrated science textbooks as their main source of information for teaching and learning of integrated science. With regards to the results of this study and other studies, the researcher recommended that Tertiary Institutions that offer of Early Grade Education programmes in developing countries should set appropriate policies to support the teaching and learning of integrated science among Early Grade Pre-service teachers.Key-Words / Index Term
Pre-service, teachers’, Early Grade, attitude, PhotosynthesisReferences
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B.O.K. Essah, "Assessing Early Grade Pre-service teachers` attitude and knowledge in teaching Integrated Science in Entrepreneurship Training Institute, Ghana," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.8-13, 2020 -
Open Access Article
H.I. IL Fergani, M.A. Alteerah, Y.M. Adim, M.M. Alareefi, E.M. Elshikhi
Research Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.14-18, Oct-2020
Abstract
The inhibitory effect of an aqueous and a methanolic extract of Phlomis floccosa leaves and vegetative parts of Marrubium alysson were tested on growth of some pathogenic bacterial strains: Klebsiella pneumonia, Escherichia coli, Streptococcus pyogenes and Staphylococcus aureus. After incubation for 24 hours at 37 °C, using a well diffusion method and comparing their inhibitory effect with the capacity of many antibiotics: Ampicillin, Erythromycin, Amoikacin and Amikacin. The alcoholic extract of Phlomis floccose showed remarkable inhibition on 3 species of bacteria, and the efficacy increased by increasing of concentrations. At 100% concentration showed the highest inhibitory capacity on each St. pyogenes, S. aureus, and Kl. Pneumonia with no inhibiting effect on E. coli. The alcoholic extract of Marrubium alysson showed remarkable inhibition activity against both St. pyogenes & S. aureus with no inhibitory effect on K. pneumonia & E. coli. The both plants aqueous extract did not show any inhibition effect on bacteria under study. The minimum inhibition concentration of the methanol extract on St. pyogenes was at 25%, on S. aureus was at 50%, on K. Pneumonia was at 100%, while there was no inhibition effect on E. coli. The antimicrobial activity of Ph. floccosa exceeded the antibiotic effect of AK 30mcg, AM 10mcg and Ax 20 mcg on S. aureus, while E 30 mcg exceeded plant extracts activity for the same bacteria. AK 30mcg effected highly on E. coli, while the highest concentration of M. alysson extract exceeded E 30mcg activity on St. pyogenes. This study result indicated to the rich valuable medicine compound in Marrubium alysson and Phlomis floccosa which have inhibitory impact on pathogenic bacteria.Key-Words / Index Term
The inhibitory effect of an aqueous and a methanolic extract of Phlomis floccosa leaves and vegetative parts of Marrubium alysson were tested on growth of some pathogenic bacterial strains: Klebsiella pneumonia, Escherichia coli, Streptococcus pyogenes and Staphylococcus aureus. After incubation for 24 hours at 37 °C, using a well diffusion methoReferences
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H.I. IL Fergani, M.A. Alteerah, Y.M. Adim, M.M. Alareefi, E.M. Elshikhi, "Antibacterial Activity of Phlomis Floccosa and Marrubium Alysson on Growth of Some Pathogenic Bacteria," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.14-18, 2020 -
Open Access Article
Comparative Analysis of Analytical Models for Horizontal Well Productivity in a Homogenous Reservoir
S.O. Onche, B.B. Kinate
Research Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.19-23, Oct-2020
Abstract
Horizontal wells are drilled essentially with the aim of recovering more oil or gas than a vertical well. The ratio of horizontal and vertical well productivity is one of the basic considerations in the decision to drill either a horizontal or vertical well. Attempts have been made to describe and estimate horizontal well productivity and injectivity indices, sweep efficiency, and several models have been proposed for this purpose. In this work, Matrix Laboratory (MATLAB) was used to model horizontal well indices with three analytical methods. Model results were compared with each other and with results from simulation using PETEX PROSPER single well modeling tool. Result obtained shows that increase in well length, pay thickness and anisotropy increases the productivity for all the models. Borisov’s model has the highest productivity index at different well depth and pay thickness. Joshi’s model result for the productivity index was the closest to the PETEX PROSPER result with a percentage error of approximately 3%, followed by Elgagah et al, and Borisov respectively. Discrepancies in model results are due to the varying assumptions inherent in the development of these models. Also, the effects of various well and reservoir properties such as well length, well thickness, permeability ratio and drainage area on horizontal well productivity was analyzed. The optimal well productivity for horizontal well will be realized from a thin reservoir with high vertical permeability and sufficient well length without compromising the ability for efficient drilling, completion and perforation, and a compact well spacing design.Key-Words / Index Term
Productivity index, Drainage Area, Pay Thickness, Horizontal well, Well LengthReferences
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S.O. Onche, B.B. Kinate, "Comparative Analysis of Analytical Models for Horizontal Well Productivity in a Homogenous Reservoir," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.19-23, 2020 -
Open Access Article
Development of Process Technology for Making Electrode Quality Steel through Continuous Casting
Kumar Abhishek, Rajib Khanda, Somnath Kumar, Avinash Mishra, Sanjay Kumar Dhua
Research Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.24-31, Oct-2020
Abstract
The electrode welding non rimming grade (EWNR) is one such grade in which carbon (C), silicon (Si) and aluminium (Al) contents are very low. Electrode quality steel wire rods are used for making core wire for covered electrodes. Covered electrodes are used in manual metal arc welding (MMAW) of mild steel. There are two variants of electrode quality steel: electrode welding rimming (EWR), which are rimming steel and made through the twin hearth furnace (THF)-ingot casting route; and EWNR, which are de-oxidized steel and made through the basic oxygen furnace (BOF) - continuous casting route. Before the advent of continuous casting, the electrode quality steel was made through ingot casting throughout the world. Because of the obvious advantages offered by the BOF-continuous casting route over the THF-ingot casting route, steel plants across the world have shifted to the continuous casting process. Therefore, to fulfill the demand of electrode quality steel, steelmakers were left with no choice but to make this grade through continuous casting. However, unlike its predecessor, the continuous casting process suffers with the lacuna of inability to make rimming steel grades. The present paper lays down the challenges encountered in making the non-rimming variant of electrode quality steel through continuous casting, along with the methods devised to mitigate those challenges.Key-Words / Index Term
electrode quality, covered electrode, core wire, EWNR, de-oxidation, silicon reversalReferences
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Kumar Abhishek, Rajib Khanda, Somnath Kumar, Avinash Mishra, Sanjay Kumar Dhua, "Development of Process Technology for Making Electrode Quality Steel through Continuous Casting," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.24-31, 2020 -
Open Access Article
Population and Man - land ratio in the Akole Tehsil, Maharashtra State, India
Shejul Meena Eknath
Research Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.32-34, Oct-2020
Abstract
The man-land ratio relationship with others like physiological density, agricultural density, and economic density, have a varying degree of value in different situations. Nutritional density is the ratio between the total population and the total cultivated area. It is expanding in terms of persons per sq km of cultivated land or persons per unit of cultivated land. The pressure of the population on the land can thus be improved expands if the ratios are recognized between the agricultural population and total agricultural land. It is known as agricultural density. The study area has recorded in 20 years parts of the eastern side’s significant increase in man-land ratio due to which good natural resources available in the used for people. It is observed from the study area, there is a greater variation in the changes Man -land ratio during the study period i.e. 1990-91 to 2010-11.Key-Words / Index Term
Man-Land Ratio, Natural and Human Resources, Hilly and Tribal Region, Population DensityReferences
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Shejul Meena Eknath, "Population and Man - land ratio in the Akole Tehsil, Maharashtra State, India," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.32-34, 2020 -
Open Access Article
Savita Trivedi, Jyothi. K.
Research Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.35-47, Oct-2020
Abstract
In present scenario Fast Moving Consumer Goods (FMCG) sector is the fourth largest sector in the Indian economy and a major contributor to the country’s GDP (Gross Domestic Product). The semi-urban and rural share to the sector is estimated to grow by the end of 2020 and early 2021. The FMCG market is segmented into 4 major categories- Food and Beverages, Personal Care, Household care and Other Products. Among all the segments Foods and Beverages category dominates the industry followed by Personal Care, Household Care and Other Products. The growth in the Foods and Beverages market is aided by change in tastes and preferences, demand for innovative products, easy adaptability to the new products and interest to try out new brands, of the upward middle- class section of the urban area. Moreover, organized retail sector, new product launches of the FMCG companies, increase in the demand for branded products or the demand for the trusted brands etc have a positive influence on the growth of the FMCG sector. Income and spending behaviour provides a way for the sector to grow at 9-10% in 2020. With the growing population in India, consumerism on rise, where the FMCG companies have the opportunity to expand their business and the industry can likely grow further on a much significant pace.Key-Words / Index Term
FMCG, market segmentation, FMCG sector, contributing factors, Food and Beverages, Personal & Household care, Urban-Rural contributionReferences
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Savita Trivedi, Jyothi. K., "Industry Analysis and Changing Trends of Fmcg Sector in India With Reference To Selected Major Fmcg Companies," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.35-47, 2020 -
Open Access Article
A Survey of Risk-Taking Behavior of the Police Officers
A. Ferda ÇAKMAK 1, Hanifi SEVER2
Survey Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.48-60, Oct-2020
Abstract
Civil wars and conflicts in Turkey’s nearby geography, internal security threats posed by terrorism and public order offenses cause police officers work under severe levels of risk. Police officers’ working under constant risk and being exposed to danger should be studied in terms of the processes of decision making, risk-taking and risk aversion. Police behavior in decision making context plays a curcial role especially when danger becomes chronic. Police officers need to establish a balance between human rights and state security while working. Increased risk-taking may result in unwarrented limitation of fundamental rights and liberties while excessive risk aversion causes weakness in security. The security services offered by public order police covers a world which is used by the whole society. Thus, workplace of a public order police covers other people’s social life. This makes police vulnerable to offenses and dangers that may target him. In this study, the state of police officers working at Public Security Branch Office and various Police Stations in Zonguldak city center is investigated in terms of their risk taking behaviors.Key-Words / Index Term
Police, Risk-Taking Behavior, Risk Aversion, Personality TraitsReferences
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A. Ferda ÇAKMAK 1, Hanifi SEVER2, "A Survey of Risk-Taking Behavior of the Police Officers," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.48-60, 2020 -
Open Access Article
Aspiration for Higher Education among the Tribal Students of Tripura
Solomon Debbarma, Pralip Kumar Narzary
Research Paper | Journal-Paper (IJSRMS)
Vol.6 , Issue.10 , pp.61-65, Oct-2020
Abstract
In Tripura, the Scheduled Tribe (ST) population constitutes about 31.05 percent of the total state population. Education is one of the fields where the STs of Tripura are lagging behind the forward communities. Only 13.9 percent of STs in the age group 18-23 are enrolled in Higher Education. Thus, the present paper aims to find out the aspiration for higher education and the determinants of aspiration for higher education among the ST students of Tripura enrolled in higher education. Data for this study come from a primary survey conducted in 2019. A total of 300 samples were drawn from students studying in arts or commerce or science stream/department, not enrolled in the professional courses. Collected data are analyzed using appropriate statistical techniques. Analysis of primary data collected from students studying in higher education reveals that about one-fifth of the students have a high aspiration for education. Mostly students from Christian, rich families, expecting a high salary, and staying with the guardian in a quarter are more likely to have high aspirations. The government and NGOs should take initiatives to organize educational awareness programs in the government and private hostels encompassing students staying in the rented house. So that the tribal students would realize the importance of higher education, get motivated to pursue the highest level of education, and would get an idea about various options available to them.Key-Words / Index Term
Education; Aspiration; Tribal; TripuraReferences
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Solomon Debbarma, Pralip Kumar Narzary, "Aspiration for Higher Education among the Tribal Students of Tripura," International Journal of Scientific Research in Multidisciplinary Studies , Vol.6, Issue.10, pp.61-65, 2020
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