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Aplikasi Metode Geolistrik Resistivitas untuk Mengidentifikasi Lapisan Akuifer di Komplek Alam Mulia Serdam, Kabupaten Kubu Raya Faisal Faisal; Yoga Satria Putra; Muhardi Muhardi
Jurnal Fisika Unand Vol 11, No 1 (2022)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1007.712 KB) | DOI: 10.25077/jfu.11.1.22-28.2022

Abstract

Lapisan akuifer di Komplek Alam Mulia Serdam, Kecamatan Sungai Raya, Kabupaten Kubu Raya telah diidentifikasi menggunakan metode geolistrik resistivitas. Pengambilan data dilakukan menggunakan perangkat alat geolistrik Automatic Resistivity System (ARES) 12 V. Pengukuran di lapangan mengaplikasikan konfigurasi dipol-dipol dengan panjang lintasan 195 m dan jarak antar elektroda 5 m. Sebaran nilai resistivitas yang diperoleh akan dijadikan acuan untuk melakukan interpretasi lapisan bawah permukaan di lokasi penelitian. Hasil pengukuran menunjukkan sebaran resistivitas bawah permukaan hingga kedalaman 40,9 m, dengan nilai 5 Ωm - 908 Ωm. Hasil interpretasi menunjukkan bahwa lapisan yang mempunyai nilai resistivitas sebesar 5 Ωm – 10,5 Ωm merupakan lapisan akuifer dengan litologi berupa pasir. Lapisan ini diduga sebagai akuifer dangkal (akuifer bebas), karena berada pada kedalaman ± 6 m – 31,2 m.
Pengaruh Karakteristik Tugas terhadap Keefektifan Bentuk Pengendalian Akuntansi, Perilaku dan Personal dalam Peningkatan Kinerja Manajer Riset dan Pengembangan Faisal Faisal; Indra Wijaya Kusuma
The Indonesian Journal of Accounting Research Vol 5, No 2 (2002): JRAI May 2002
Publisher : The Indonesian Journal of Accounting Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33312/ijar.76

Abstract

The distinctive feature of R & D task, such as lack of routines, may potentially influence the effectiveness forms of control. Perrow’s model of technology and structure (1970) is drawn to explore the influence of task characteristics. This study tests the influence of task characteristics (number of exceptions & task analyzability) on the effectiveness of accounting, behavior and personnel forms of control to managerial performance in research and development setting. Respondents   participating in the study are managers and sub managers in research and development divisions. The study uses survey method. Of the 388 questionares sent, 86 were returned and 57 were used in analysis. The method used in analysis is multiple regression. The result shows that accounting control contributes to organization effectiveness, particularly where task characteristics are low number of exceptions and low task analyzability. By contrast, behavior and personnel controls do not appear compatible where task characteristics are low number of exceptions and low task analyzability. In addition, the result suggests that task characteristics prove to have significant influence on suitability of the control. The result fails to confirm prior study which stated that accounting control was not suitable in research and development setting.