KF KFI
KFI

Vol. 21, No. 1, 2024

Terbit
08 September 2026
Artikel
15 artikel
ISSN
1412-2960
e-ISSN
2579-521X

Daftar Isi

  1. Laser as a tool to measure the diameter of goat hair (Capra aegagrus hircus)
    Rani Rahmawati, Widi Komariah, Helmina Pebriyanti, Dedeh Sukmawati, Siti Rusmiati, Retno Nopita, Eko Sujarwanto
    Hlm. 1-6 10.31258/jkfi.21.1.1-6
  2. Effect of calorific value on the burning rate of coconut shell briquettes and teak wood powder
    Nur Aisah Sagala, Ety Jumiati, Ridwan Yusuf Lubis
    Hlm. 41-44 10.31258/jkfi.21.1.41-44
  3. Identification of hot springs in Sungai Pinang using the Schlumberger configuration geoelectric method
    Lily Wandari, Usman Malik
    Hlm. 67-72 10.31258/jkfi.21.1.67-72
  4. Effectiveness of adding ZnO thin films to metamaterial structures as sensors
    Saktioto Saktioto, Yan Soerbakti, Ari Sulistyo Rini, Budi Astuti, Erman Taer, Rahmondia Nanda Setiadi, Syamsudhuha Syamsudhuha, Sofia Anita, Yolanda Rati
    Hlm. 13-24 10.31258/jkfi.21.1.13-24
  5. Comparison of measuring the noise level of glass wool soundproofing material using a sound level meter and the KY-037 noise measuring instrument
    Indah Pratiwi Tanjung, Masthura Masthura, Nazaruddin Nasution
    Hlm. 25-32 10.31258/jkfi.21.1.25-32
  6. An internet of things-based monitoring system for agricultural land suitability for oil palm planting
    Amriansyah Simatupang, Mulkan Iskandar Nasution, Muhammad Nuh
    Hlm. 51-58 10.31258/jkfi.21.1.51-58
  7. IoT-based noise measuring tool with FC-04 sound sensor for polyurethane dampening materials
    Vicha Indriany, Masthura Masthura, Nazaruddin Nasution
    Hlm. 33-40 10.31258/jkfi.21.1.33-40
  8. Design an automatic trash can using the HC-SR04 ultrasonic sensor based on the Arduino Uno microcontroller
    Anggi Kumala Dwi, Mulkan Iskandar Nasution, Nazaruddin Nasution
    Hlm. 45-50 10.31258/jkfi.21.1.45-50
  9. Potential of palm frond waste as a basic material for making porous activated carbon
    Novi Yanti, Pharada Kresna, Muhammad Nasir, Rakhmawati Farma, Lilik Tri Hardanto, Rika Taslim, Erman Taer
    Hlm. 99-108 10.31258/jkfi.21.1.99-108
  10. Analysis of temperature patterns in Pekanbaru City using fractals and artificial neural networks based on monthly temperature data
    Reynal Nur Razzaq, Defrianto Defrianto
    Hlm. 79-90 10.31258/jkfi.21.1.79-90
  11. Classification of maturity levels of oil palm fresh fruit bunches using LED-based multispectral imaging methods and principal component analysis
    Mohammad Fisal Rabin, Minarni Shiddiq, Rahmondia Nanda Setiadi, Ihsan Okta Harmailil, Ramdani Ramdani, Dedi Permana
    Hlm. 91-98 10.31258/jkfi.21.1.91-98
  12. Fabrication of carbon electrodes from young coconut fiber by varying the carnonization temperature as a supercapacitor application
    Sri Ulina Karo Sekali, Awitdrus Awitdrus
    Hlm. 63-66 10.31258/jkfi.21.1.63-66
  13. What substances do we inhale? - Air quality measurement using an Android-based application
    Endang Surahman, Eko Sujarwanto, Irwan Muhammad Ridwan
    Hlm. 7-12 10.31258/jkfi.21.1.7-12
  14. Morphology test of activated charcoal from oil palm fronds with H2SO4 and NaOH activators
    Debby Marantika, Masthura Masthura, Ratni Sirait
    Hlm. 59-62 10.31258/jkfi.21.1.59-62
  15. Identify coal distribution based on resistivity values using the Wenner configuration geoelectric method in Petai Village, Singingi Hilir District, Kuantan Singingi Regency
    Hijrah Septia Anisa, Usman Malik, Krisman Sabar, Sherly Mutiara
    Hlm. 73-78 10.31258/jkfi.21.1.73-78