With the continuous development of information technology and arrival era big data, data mining has been applied in more fields. Data refers to process searching for hidden a large amount through algorithms. This uses various technical methods wide range applications. Urban logistics is special system, an open complex which profound impact on cities. Using plan urban can efficiently improve spe...

in this paper are present the results of measurements of magnetic induction at some locationsin city bor (the east serbia) dating from the household electric devices and transformer stations suited near the residental areas. stress is on the extremely low frequent electromagnetic radiation from transformer stations and other high voltage instalations in urban areas. risk of the extremely low fr...

background: psychologically traumatic workplace events (known as critical incidents), which occur globally, are increasing in prevalence within the usa. assisting employers in their response is a growing practice area for occupational medicine, occupational social work, industrial psychology and other occupational health professions. traumatic workplace events vary greatly in their level of org...

Cameroon has a strong geological potential for a number of mineral resources that, if well managed, could support economic growth. The country contains potentially large deposits of iron ore, gold, bauxite, diamond, limestone, nickel, and gemstones, and indices of other numerous minerals and precious metals. Despite its geological wealth, mining has never played a major role in Cameroon’s econo...

This study aims to analyze the effect of deferred tax expense, planning, and profitability on earnings management. The method used in sampling is using a purposive method. population this manufacturing companies mining sector listed Indonesia Stock Exchange (IDX) 2018-2020. Based established criteria, 11 have been obtained. indicates that expense variable does not affect management; planning af...

The typical problems caused by Mining Subsidence and mining pollution made by coaling, made the Mine Subsidence reclamation and retorting the integrated mining environment necessary. Then, we create effective management measures of “full investigation, scientific planning, focused, sound institutions, the establishment of the system” and create the advanced technology of “mud pump reclamation, ...

hydrographically bolivian poopó lake is located in the basin of desaguadero river and it has over a dozen main tributary rivers and other smaller rivers with lower flow. the mine water discharge from the abandoned and current mining activities polluted these rivers by carrying heavy metals, dissolved and suspended solids which in turn polluted the poopó lake which is considered as an important ...

Sierra Leone is blessed with abundant natural resources but yet prone to environmental degradation due to the mining operations. Most often, the mining communities are faced with social tensions, as a result of the possible trade-off between the expected employment impact and the cost of mining operations to the environment. Over the past decades, the contribution of the mining sector to the de...