M ROMLI, M
Unknown Affiliation

Published : 2 Documents
Articles

Found 2 Documents
Search

Hubungan kadar Pb dalam darah dengan prestasi belajar pada anak sekolah di SDN Grinting 01 Kecamatan Bulakamba Kabupaten Brebes

JURNAL KESEHATAN LINGKUNGAN INDONESIA Vol 15, No 2 (2016): Oktober 2016
Publisher : Program Studi Magister Kesehatan Lingkungan

Show Abstract | Original Source | Check in Google Scholar

Abstract

Title : Association between Blood Lead Level and Learning Achievement on the Students at Grinting 01 Elementary School, Bulakamba District, Brebes RegencyBackground: Plumbum (Pb) is a highly poisonous heavy metal, especially for the children. Pb enters the human body through the respiratory and gastrointestinal tract, and also skin. The aim of this study was to determine the correlation between blood lead level and the learning achievement on the students in Grinting 01 Elementary School, Bulakamba District, Brebes Regency. Methods: This study was an observational research using cross sectional design.  The subjects were 51 students. The data were collected using interview and observational field. The exposure of blood lead level was measured by detecting Pb content in blood according to the result of laboratory test by ASS method (Atomic absorbance spectrometer), and the learning achievement was measured using MST (Middle Semester Test) score of the students. Univariate analysis and bivariate analysis (Chi-Square) were used to analyze the data. Results: The result of bivariate test indicated that there was no correlation between blood lead level and learning achievement with p >0.05. For in the ehole samples, the blood lead level were more than Normal standard of CDC (≥5 µg/dL) with the highest Pb in blood is 48.39 µg/dL and the lowest is 11.06 µg/dL. Conclusion: In conclusion, Pb concentration - in blood on the children does not influence the learning achievement directly.  

Studi Radiolisis Air Ringan dan Pengukuran Laju Dosis Bahan Bakar Terhadap Jarak Sumber Radiasi Pada Kolam Penyimpanan Bahan Bakar Bekas (ISSF)

SIGMA EPSILON - Buletin Ilmiah Teknologi Keselamatan Reaktor Nuklir Vol 22, No 2 (2018): November 2018
Publisher : Badan Tenaga Nuklir Nasional

Show Abstract | Original Source | Check in Google Scholar | Full PDF (541.512 KB)

Abstract

Studi Literatur Radiolisis Air Ringan dan Pengukuran Laju Dosis Bahan Bakar Terhadap Jarak Sumber Radiasi  Pada Kolam Penyimpanan Bahan Bakar Bekas (ISSF). . Elemen bahan bakar bekas masih mengandung sejumlah uranium diperkaya dengan paparan radiasi yang sangat tinggi, sehingga digunakan air sebagai media penyimpanan bahan bakar bekas pada kolam ISSF agar paparan radiasi bahan bakar tidak keluar ke lingkungan.Paparan radiasi dalam air dapat menyebabkan adanya pembentukan oksidator yang dapat menyebabkan korosi pada material bahan ISSF. Laju dosis dapat terukur dalam suatu sumber radiasi terhadap besarnya penahan radiasi. Laju dosis ini digunakkan sebagai input parameter untuk reaksi radiolysis sehingga konsentrasi pembentukan oksidator dalam air dapat diprediksi. Hubungan antara laju dosis teradap jarak sumber radiasi (tebal penahan) menjadi penting untuk penerapan proteksi radiasi. Metode untuk mengukur laju dosis pada kolam ISSF dilakukan pada rak bahan bakar bekas serta uji cicip pada sebuah kelongsong bahan bakar bekas. Laju dosis diukur dengan detector radiagem dengan kabel yang terbungkus plastik. Data hasil percobaan didapatkan bahwa hubungan antara laju dosis radiasi terhadap sumber radiasi yaitu semakin besar jarak detektor terhadap sumber radiasi semakin kecil laju dosis yang terukur dan bersifat eksponensial.Kata Kunci : Kolam ISSF, radiasi, radiolysis air, laju dosis, detector