Organic chemistry has a long tradition of relating the properties of a substance to its molecular structure and more than anything else, the relationship between how a substance behaves and the way its atoms are connected is what chemistry is all about. Those who teach organic chemistry point out that, unlike the course in general chemistry where to…
Di negara yang khususnya baru saja mulai menggunakan Analisis Dampak Lingkungan atau Andal sebagai suatu alat dalam melestarikan lingkungannya banyak perbedaan atau pertanyaan-pertanyaan mengenai berbagai pengertian yang sangat mendasar, ketidak jelasa, dan perbedaan penafsiran. Sarana penunjang yang sangat penting adalah peraturan perundangan yang …
Each the student develops a personal style in the use of a text. Whatever your own approach, you will find that we have incorporated a number of features which will help you in your study of physical geology. Some of these features bear mention here. There are many possible arrangements of material that can be used in presenting a first course in ph…
Sejarah perkembangan pengetahuan tentang kegunungapian bermula dari pengertian tentang gejala kegunungapian itu sendiri, yang sangat sederhana dan animistik. Bangsa Poline beranggapan bahwa gejala kegiatan gunungapi berada dibawah kontrol atau kekuasaan dewa Pelee, sedangkan legenda orang Indian di Oregon (USA) mengisahkan tentang pertentangan antar…
Some inportant developments have taken place within the last twenty years in the Indonesian mining industry. However, since very little has been published officially, not much is known something about mining in Indonesia must depend on second and third-hand information of questionable reliability. When indonesia in 1967 invited foreign participation…
The theory of the Earth's climate evolution based on universal chemical-physical laws of matter-energy transformation is presented in the book.It shows how the process of Earth's core separation has led to formation and evolution of the hydrosphere and atmosphere. Having analyzed the processes of heat transfer in the atmosphere , the writers develop…
Coal in a aggregate of heterogeneous subtances composed of organic materials. The organic Materials are derived mainly from plant remains which have undergone various degrees of decomposition in the peat swamps and physical and chemical alteration after burial. Optically homogeneous organic materials in coal are called macerals. There are three majo…
The world reserves of coal are larger than those of petroleum and natural gas, and the production capacity for coal currently exceeds that for oil shale, tar sands, peat, and the other less developed fossil energy reserves. As a result, coal is the projected resource alternative for energy and materials well into the next century. whith this increas…