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All Journal Hipotenusa: Journal of Research Mathematics Education (HJRME) International Journal of Electronics and Communications Systems International Journal of Hydrological and Environmental for Sustainability
Manmeet Kaur
Department of Chemistry, Gurukul Kangri University, Haridwar (Uttarakhand),
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Environmental Science Mathematics Other

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The Effectiveness of Sump Dimension Design: A Case Study in Nickel Mining Kapugu, Excellentia Riane; Adnyano, A.A. Inung Arie; Prastowo, Rizqi; Zamroni, Akhmad; Kaur, Manmeet; Brahme, Nameeta
International Journal of Hydrological and Environmental for Sustainability Vol 1, No 1 (2022): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1322.095 KB) | DOI: 10.58524/ijhes.v1i1.69

Abstract

The presence of water in mining activities is common, especially in tropical areas that have high rainfall, such as the research location at PT ANTAM Maluku Utara at the Moronopo Site. While the sump maintenance needs to be considered so that the sump can accommodate the incoming discharge. The purpose of this research is to calculate the total discharge entering the mine and to design the dimensions of the sump according to the incoming water discharge. The research method used is the Gumbel method starting from the analysis of rainfall data at the research location starting in 2004-2013 and then continuing with 2019-2020 data, the planned rainfall value is 96.56 mm/day, rainfall intensity is 15.63 mm/day hours with a rain return period of 25 years and a hydrological risk of 18.46 % and the total inflow of mine water is 17,556 m3/hour. After calculating the sump capacity in the Danis 2 area, it still has not accommodated the incoming discharge with the remaining unaccommodated discharge of 2,319.1 m3/hour.
Analysis of Sr2Mg (BO3)2Tb3+ Green Emitting Phosphor for Solid State Lighting: Implication for Light Emitting Diode (LED) Panse, Vishal R; Rahate, Gaurav; Saregar, Antomi; Kaur, Manmeet; Dixit, Aparna
International Journal of Electronics and Communications Systems Vol. 1 No. 1 (2021): International Journal of Electronics and Communications System
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijecs.v1i1.9334

Abstract

With the assist of  customized step wise combustion synthesis method Sr2Mg(BO3)2: Tb3+  phosphors were synthesize along with the luminescent proprieties, XRD, chromaticity coordinates with effect of emission intensity with related with the corresponding concentration were studied. The emission spectrum of Sr2Mg(BO3)2  :Tb3+ (x=0.2 to 2 mol percent) excited by 353 nm exhibits a strong green emission among peak location at 546 nm is recognized to F-F transitions of Tb3+ 5D4-7F5 ion. This study suggest that Sr2Mg(BO3)2: Tb3+ phosphor be a prominent material as a green constituent for phosphor- transformed W-LEDs  for SSL
Alkalinity, Major and Trace Elements as Hydrological Tracers in Different Seasons: Implications for the Origin of Hot Springs in Non-Volcanic Areas, Odisha, India Dewalkar, Snehal V; Shinde, Nishant; Kaur, Manmeet; Bhuie, Prabhjot Singh; Hadap, Arti; Kshetri, Shivmurti B
International Journal of Hydrological and Environmental for Sustainability Vol 3, No 3 (2024): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v3i3.518

Abstract

During the rainy season, surface water can infiltrate and mix with groundwater, making it difficult to identify different groundwater sources. In addition, mixing of water from different sources over time can obscure the original characteristics of groundwater. Continuous monitoring equipment can be affected by seasonal weather conditions, leading to data gaps or inaccuracies. In this study, we used geochemical analyses such as alkalinity, major elements, hydrological modelling and long-term monitoring before, during and after the rainy season to understand the changes in concentrations, and determine the origin of groundwater sources despite different seasonal conditions. The data from this study was taken from a previous study and examined 18 water samples with different locations and weather conditions. Determination of 9 elements including alkalinity and trace elements was conducted as the main elements in this study. In the experiment, water temperature, pH, alkalinity, and free CO content were measured in situ from non-volcanic hot water, Odisha, India. In the process, the water was put into two polypropylene bottles, and cation and anion analyses were conducted in the laboratory. The results showed that seasonal differences clearly affected the changes in alkalinity concentration of each hot spring. However, hot springs with higher alkalinity experienced larger changes. In contrast, the analysed chlorine (Cl) concentrations 100 mg/L were more susceptible to shifts due to monsoon, whereas Cl concentrations 100 mg/L were more homogeneous despite the influence of monsoon (seasonal differences). Differences in the rainy season affected the concentration changes in Attri, Tarabalo and Deulajhari hot springs. Meanwhile, hot springs dominated by meteoric water such as Badaberena, Taptapani and Boden are less affected. This proves that Attri, Tarabalo and Deulajhari hot springs originate and are dominated by deep groundwater.
INTEGRATION OF THE HISTORY OF MATHEMATICS IN GEOMETRY LEARNING: SYSTEMATIC REVIEW Ramadhani, Silmy; Farid, Fajri; Kaur, Manmeet
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 8, No 2 (2025): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v8i2.3075

Abstract

This study aims to examine the integration of the history of mathematics in geometry learning with a systematic review. The method used is descriptive analysis by analyzing 7 related journal articles (2015-2024) indexed in Google Scholar. Data analysis was carried out using VOSviewer software version 1.6.18 for graphical bibliometric mapping. The results of the study indicate the importance of integrating the history of mathematics in geometry learning to enrich students' understanding of geometric concepts. Learning models such as the use of historical examples, analysis of ancient manuscripts and exploration of the contributions of previous mathematicians can increase students' awareness and appreciation of the development of mathematics. Therefore, it is recommended for teachers to integrate the history of mathematics in geometry learning to create a more comprehensive and meaningful educational experience.
Co-Authors A.A Inung Arie Adnyano, A.A Inung Arie Akhmad Zamroni Antomi Saregar Bhuie, Prabhjot Singh Brahme, Nameeta Dewalkar, Snehal V Dixit, Aparna Farid, Fajri Hadap, Arti Kapugu, Excellentia Riane Kshetri, Shivmurti B Panse, Vishal R Rahate, Gaurav Ramadhani, Silmy Rizqi Prastowo Shinde, Nishant