Publisher: UIN Maulana Malik Ibrahim Malang   (Total: 13 journals)   [Sort by number of followers]

Showing 1 - 13 of 13 Journals sorted alphabetically
Alchemy : J. of Chemistry     Open Access   (Followers: 4)
De Jure: Jurnal Hukum dan Syar'iah     Open Access   (Followers: 4)
El-Harakah     Open Access   (Followers: 2)
el-Hayah     Open Access  
El-Hikmah     Open Access   (Followers: 2, SJR: 0.102, CiteScore: 0)
EL-MUHASABA     Open Access   (Followers: 1)
Jurisdictie Jurnal Hukum dan Syariah     Open Access   (Followers: 1)
Jurnal NEUTRINO     Open Access  
LiNGUA : Jurnal Ilmu Bahasa dan Sastra     Open Access   (Followers: 2)
MADARASAH Jurnal Pendidikan dan Pembelajaran Dasar     Open Access   (Followers: 1)
MATICS     Open Access   (Followers: 2)
SAINSTIS     Open Access   (Followers: 1)
Ulul Albab     Open Access   (Followers: 3)
Similar Journals
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Jurnal NEUTRINO
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1979-6374
Published by UIN Maulana Malik Ibrahim Malang Homepage  [13 journals]
  • Back Matter

    • Authors: Kusairi S.Si
      Pages: 1 - 8
      PubDate: 2021-06-16
      DOI: 10.18860/neu.v13i2.12585
      Issue No: Vol. 13, No. 2 (2021)
       
  • GROUNDWATER POTENTIALS ESTIMATION USING SELF-POTENTIAL METHOD AS AN EARLY
           PREDICTION OF LAND SUBSIDENCE IN GAMPONG LENGKONG LANGSA CITY

    • Authors: Fajriani Fajriani, Teuku Andi Fadlly, Tisna Harmawan
      Pages: 32 - 38
      Abstract: The Self-Potential (SP) method was used to identify changes in the potential groundwater in the area of Gampong Lengkong, Langsa City. The data acquisition technique was carried out with a fixed base technique with a measurement count of four acquisition lines. Research is conducted for two months that July and August are the same to monitor the changes in the SP value associated with the change of SP anomaly. SP value of the acquisition result is used as a reference for estimating the potential of groundwater. Interpretation is made qualitatively and quantitatively. Qualitative interpretation through analysis maps of the isopotential contours compared between the first month and the second month of measurements in the field. The interpretation is quantitatively by assuming the source of the subsurface anomaly fix geometry models of cylinders or spheres is done by the inversion modeling using the Levenberg-Marquardt method. The results showed that there was a reduction in SP value in the second month, indicating the potential shortage of groundwater in the region. The decrease in groundwater potential is also shown in the inversion results, where the result of the calculation of SP anomaly source parameters in the first month is estimated to be at 7.77 meters to 11.05 meters below the ground in the monthly measurements second.  
      PubDate: 2021-06-16
      DOI: 10.18860/neu.v13i2.8710
      Issue No: Vol. 13, No. 2 (2021)
       
  • THE EFFECT OF PH AND CALCINATION TEMPERATURE ON THE ZrO2 PHASE FORMATION
           FROM NATURAL ZIRCON SAND OF KERENG PANGI

    • Authors: Mohammad Abdullah, Triwikantoro Triwikantoro, Chairatul Umamah, Herman Jufri Andi
      Pages: 39 - 48
      Abstract: In this research ZrO2 has been synthesized from Kereng Pangi zircon sand in Central Kalimantan through alkali fusion-coprecipitation method. Firstly, zircon sand (ZrSiO4) was purified to reduce impurities by magnetic separation, cleaned using an ultrasonic cleaner, soaked/leached with HCl 2 M for 12 hours and leached with HCl at 60 ºC for 3 hours. Secondly, alkali fusion was done with KOH as an alkali. This product was then washed by water and dried before leached with HCl 30% at 90 ºC for 30 minutes to precipitate and seperate Silica from Zircon. ZrO2 filtrate (ZrOCl2) precipitated with NH4OH at pH 4, pH 7, and pH 10 forms Zr(OH)4 gel. Zr(OH)4 gel was dried and characterized by DTA-TGA, which was then followed by calcination based on DTA TGA results at temperature ranges of 550 ºC - 700 ºC to produce ZrO2. XRD results show that single tetragonal phase of ZrO2 is formed in all variations of pH precipitation and calcination temperature. An analysis using MAUD software show that crystal size reduces as the increase in precipitation of pH. The crystal size results are 110 nm, 66 nm and 48 nm at pH 4, pH 7 dan pH 10 at 700 ºC, respectively. Moreover, XRF results show that ZrO2 with purity is at around 95.8 % at pH 4 and 96.3 % at pH 7 and pH 10.
      PubDate: 2021-06-16
      DOI: 10.18860/neu.v13i2.10507
      Issue No: Vol. 13, No. 2 (2021)
       
  • SOC (STATE of CHARGE) THREE-CELL LEAD DYNAMIC BATTERY MODEL

    • Authors: Kurriawan Budi Pranata, Freygieon Ogiek Rizal Sukma, Muhammad Ghufron, Masruroh Masruroh
      Pages: 49 - 59
      Abstract: Three-cells dynamic lead-acid battery has been widely manufactured as the latest secondary battery technology. It is being carried out by 10 cycles of charge-discharge treatment with a various types of SoC, such as 100% (Full charge 5100 mAh), 50% (2550 mAh), 25% (1275 mAh) and discharge current of 0.8A. This experiment aims to analyze the treatment of SOC conditions on the performance of the lead-acid battery. The cyclicality test has performed using a Battery Management System (BMS) by applying an electric current at charging 1 A and discharging 0.8A. The results of the SOC charging conditions at 100%, 50%, 25% respectively gave a difference in the value of voltage efficiency of 84%, 87%, 88%, capacity efficiency values of 84%, 80%, 69%, energy efficiency values of 70%, 70%, 62%. The 100% and 50% SOC treatments showed better performance and battery energy the 25% SOC treatment. This research can be a recommendation to predict the performance of the lead-acid battery model during the charging and discharging process.
      PubDate: 2021-06-16
      DOI: 10.18860/neu.v13i2.11835
      Issue No: Vol. 13, No. 2 (2021)
       
  • DESIGN AND BUILD OF AUTOMATIC WASTAFEL USING ULTRASOUND HC-SR04 SENSOR
           BASED ON ARDUINO

    • Authors: Henry Prasetyo Prasetyo, Mohammad Rofi’i, Septiana Kurniasari, Muhammad Wisnu Pamungkas
      Pages: 60 - 66
      Abstract: The lack of public concern for washing hands during the Covid-19 pandemic, the authors designed an automatic sink using an arduino-based HC-SR04 ultrasound sensor to attract the public's interest. By making automatic sink technology using the HC-SR04 ultrasound sensor based on Arduino for use in hand washing by the community. This study uses experimental research that examines the effect of automatic washbasin with people's behavior in washing hands. By testing the use of water in 20 seconds, 43 people can use it in one day, and soap can be used by 6 people in one day in 5 seconds. The automatic sink using the HC-SR04 ultrasound sensor based arduino can be used with a distance that is made less than 15cm designed to be practical and sterile because it is used that does not touch faucets or soap. The conclusion of the study is that if there is an object that approaches the ultrasound sensor within a distance of less than 15cm, the water pump will be active for 20 seconds or the soap pump for 5 seconds will automatically come out. And it will run out if used for 934 seconds in 1 liter gallon or 46 people a day and the use of soap for 5 seconds will run out approximately 6 people in one day.
      PubDate: 2021-06-16
      DOI: 10.18860/neu.v13i2.11664
      Issue No: Vol. 13, No. 2 (2021)
       
  • THE USE OF (Mg0.9Zn0.1)TiO3+2wt.% Bi2O3 CERAMICS AS A DIELECTRIC RESONATOR
           OSCILLATOR MATERIAL AND CHARACTERISATION OF STRUCTURE, MICROSTRUCTURE, AND
           DENSITY

    • Authors: Afandy Kadarosman, Frida Ulfah Ermawati
      Pages: 67 - 79
      Abstract: Magnesium titanate (MgTiO3)-based ceramics have the potential for use in the telecommunications industry at microwave frequencies, including as a resonator in dielectric resonator oscillator (DRO) circuit. This research is intended to study the application of (Mg0.9Z0.1)TiO3+2wt.% Bi2O3 (abbreviated MZT01-2) ceramics as DRO material and characterize the structure, microstructure, and bulk density. Fabrication was carried out by ball milling between (Mg0.9Z0.1)TiO3 crystalline powder and 2wt.% Bi2O3 powder. The milled powder was compacted at certain pressure using a die press to become pellets. All pellets were sintered at 1000, 1100, 1200°C for 4 h to obtain ceramics. The structural characterization using XRD showed that the three ceramics contained the main MgTiO3 phase, each 93.63, 93.83, and 90.78% molar, the rest was the MgTi2O5 phase. The increase in sinter temperature causes the lattice parameter and the unit cell volume to decrease. The Archimedes bulk density was 2.928; 2.832 and 2.736 g/cm3. The microstructure is solid surfaces with a grain diameter of 1.9-2.3 μm accompanied by pores. As DRO materials, the three ceramics exhibited a resonant frequency at 5.11, 5.08, and 5.12 GHz which shows that the ceramics can be applied as DRO materials at microwave frequencies. The sinter temperature variation tends not to affect the resonant frequency position.
      PubDate: 2021-06-16
      DOI: 10.18860/neu.v13i2.11720
      Issue No: Vol. 13, No. 2 (2021)
       
 
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