Abu adalah bahan anorganik yang keberadaannya dalam batubara biasanya tidak diinginkan karena dapat menyebabkan banyak masalah dalam preparasi, penanganan dan terutama dalampemanfaatan batubara. Selain merendahkan nilai kalor, abu dapat membentuk "clinker" yang selanjutnya menurunkan efisiensi industri pemanfaatan batubara terutama yang menggunakan …
In response to the request of the government of the Republic of indonesia, the Government of Japan decided to conduct the Feasibility Study on Banko Coal Effective Utilization as one of the international cooperation programs for the social and economic development of developing countries.
Maksud/Tujuan Penyelidikan
Penyelidikan ini bertujuan untuk mengetahui penyebaran endapan batubara didaerah Napal Putih dan daerah Lubuk Sumpit, Kecamatan Ketahun, Kabupaten Bengkulu Utara. Disamping itu untuk mengetahui pula mutu/kualitas batubara tersebut serta kemungkinannya untuk pengusahaan selanjutnya.
the earlier of this book have been used by successive generations of students for more than 20 years ,and it is the standard text on the subject in most british universities and many others throughout the world .
the study of sediments and sedimentary rocks continues to be a core topic in earth sciences and this book aims to provide a concise accoun…
Edisi
3
ISBN/ISSN
978-0-632-05735-1
Deskripsi Fisik
Cover Hitam, Kertas Semi Glossy, Bergambar, 262 Ha
Penyelidikan ini bertujuan untuk mengetahui keadaan geologi di daerah sekitar bekas tambang batubara tangko yang pernah diusahakan pada zaman pendudukan Jepang.
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THE PETERSON IDENTIFICATION SYSTEM
Reger Tory Peterson's unique system shows exactly what features to look for to tell one species from another .
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THE AUTHORS AND ILLUSTRATORS
For each Fi…
Edisi
5
ISBN/ISSN
978-0-395-91096-2
Deskripsi Fisik
Cover Abu tua, Ukuran Hand Book, 396 Halaman, Inde
This report is a compilation of all the results of analyses that were completed in the March 1988 of Cerenti borehole samples.
The analyses are of 3 seam intersection in 26 boreholes from cerenti area that were drilled between october 1987 and March 1988. Only 20 boreholes analyses were completed until 18th March 1988.(see Table 1 for details).
Penyelidikan ini bertujuan mengetahui keadaan geologi di daerah sekitar bekas Tambang Batubatra Tangko yang pernah diusahakan pada zaman pendudukan Jepang.
The central sumatra Geophysical wire line logging project under contract no. SCM 87-2 between Well surveys international, Inc., hereinafter referred to as WSI, and sumitomo coal mining co., ltd., assigned for contractor under N E D O., hereinafter referred to as sumitomo, began on 1 october 1987, and ended on 31 march 1988.