Radon concentrations in ten different types of cigarette samples were measured using CR-39 and silicon surface barrier detectors(SSBD). The samples were collected from Saudi and Egyptian markets and were coded k1 to k10. The results obtained from the study of radon (Rn) and thoron (Rn) showed that the cigarette brands are moderate in radioactivity while others raise radon concentration in air t...

This paper studies data from the wholesale fruit and vegetables market in Marseille. The special feature of the data is that we have details of counteroffers to the prices that were proposed by the seller even when no transaction took place. Each offer, counteroffer and refusal conveys information to the two parties concerned about the state of the market since no prices are posted and ∗ A firs...

Telah dilakukan pengukuran konsentrasi gas radon (222Rn) dan thoron (220Rn) menggunakan metode pasif CR-39 pada rumah penduduk di Nagari Alam Pauh Duo, Kabupaten Solok Selatan. Pengukuran bertujuan untuk mengetahui dosis efektif yang diterima oleh daerah tersebut. 50 buah detektor dipasang 3 lokasi selama bulan. Hasil terkecil yaitu 7 ± 0,50 Bq/m3 sampai dengan terbesar 37 2,65 rata-rata 14 0,9...