That said, when urban mining is done responsibly, the reclamation and recycling of e-waste can reduce energy consumption, lessen the need to extract virgin resources, and bring money and jobs to the communities that process these materials. Today, urban mining is seen as a viable resource for ...
the yellow kite is he the yellow press the yellow turban reb the yipingtang of the the yoga korunta the yosemite moon and the young child and m the young man has oft the young teacher had the young wild one fr the youngest leave the youth are our fut the youth writers the yuan-ti ...
The Office of Surface Mining Reclamation and Enforcement (OSMRE) is the federal agency tasked with oversight of the implementation of SMCRA. Individual states developed statewide programs that met or exceeded the requirements of SMCRA and, thus, obtained primacy over coal mine mining and reclamation...
OK. Now let's look at reforestation and land reclamation efforts. 2.What is the professor’s opinion about the effort to reclaim the land in the Copper Basin? A. The techniques and materials used for the cleanup were probably outdated. B. Some attempts to clean up the Copper Basin ...
And that river is still used now for recreation. But…anyway…let’s analyze the problem. It wasn’t the mining itself that caused such massive destruction. It was what happened after the copper ore was extracted from the mines. It was a process called heap roasting. Copper ore contains su...
aNowadays, the study of the influence of geological environment on safety mining is rare, moreover, intelligent safety mining decision making considering different geological environment is almost unknown. In most coalmine, safety mining decide making and operation management are put into execution by ...
The decision of the German federal government to cease lignite mining until 2038 or—if possible—already earlier until 2030, will cause manifold
In Helmstedt as well as in Central Germany mining areas, reclamation is already advanced and examples of established infrastructure for tourists are visible in all mining districts. Figure 4 provides examples from Helmstedt and the new cultural landscape with lakes in the Central German mining district...
- 《International Journal of Surface Mining Reclamation & Environment》 被引量: 37发表: 2007年 A methodology for maintenance analysis of mining equipment With the introduction of computerized maintenance records and data logging, the collection and analysis of accurate and reliable data are much ...
where underground materials shift or fall into voids created by mining and other extraction of mineral resources. department of environmental protection spokesperson neil shader said the state’s bureau of abandoned mine reclamation will examine the scene after the search is ...