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31.260  Articles
1 of 3.126 pages  |  10  records  |  more records»
Sand mining in Tanjung Alam Village, Sei Dadap District, Asahan Regency, which is carried out with a suction machine is thought to have a negative impact on the environment. This study aims to examine the effect of sand mining on erosion and sedimentation... see more

The use of natural sand as fine aggregate in concrete is becoming problematic due to scarcity and pressure on mining of the resource. Alternate sources such as the use of industrial waste as replacement of natural sand in concrete are gaining popularity a... see more

The use of natural sand as fine aggregate in concrete is becoming problematic due to scarcity and pressure on mining of the resource. Alternate sources such as the use of industrial waste as replacement of natural sand in concrete are gaining popularity a... see more

The objective of this research is to determine the rare earth elements (REEs) from themonazite minerals content of several tin tailing sands (TTS)of ex-tin mining area in Kuala Raya Singkep Island, Indonesia. We used the energy dispersive analysis of &nbs... see more

Cimalaka is well known for its high quality sands for building material. Unfortunately, the sand mines opened in Cimalaka areas are less managed and have degraded. Usually, the soil has no organic horizon so that no vegetation covered the soils. The land ... see more

Natural resources management in mining has to be managed with environmental oriented policies. The mining split stone and sand mining business in Palu City, especially in the two kelurahan (Buluri and Watusampu) has caused environmental damage that has an... see more

Proper stewardship of the coastal marine area necessitates consideration of the potential environmental consequences of marine mining. Such a study would include investigation of the benthic infauna, commercial and recreational fisheries, sea turtles and ... see more

AbstractThe ever-increasing interest in mining of sand in shallow waters of many rural rivers on the one hand and the growing concern for the environment on the other underscore the need to develop better management policies that govern sand extraction. A... see more

The chemical history of the supposed element didymium may well be characterised as a case of collecting empirical data in a period of “normal” science. But this element’s history also reveals little known facts of the history of chemistry in South America... see more

1 of 3.126 pages  |  10  records  |  more records»