نتایج جستجو برای: Limestone quarries

تعداد نتایج: 6283  

Rapid population growth and increasing demand for the modern settlement has led to the increase of environmental pollution. Limestone quarry is one among the activities that affect environment and ecosystem in Pemba Island-Zanzibar. Quarrying activities brought an inevitable destruction to the environments ranging from excavation, soil and land degradation, loose of biodiversity and water pollu...

2008
Mehmet Irfan Yesilnacar Husamettin Bulut

Sanliurfa limestone is becoming increasingly popular for both interior and exterior building applications in the local area in south east Turkey, being easy to cut and shape and suitable for many purposes. Although these limestones are low cost construction materials, they are not widely used elsewhere due to the lack of data regarding their chemical, physico-thermal and mechanical properties a...

2007
Carla Khater Martin Arnaud

Restoration ecology is an emerging science dealing with applied ecology and aiming at “helping nature to recreate itself”. This comprehensive paper presents the findings and main results related to the analysis of natural vegetation dynamics on abandoned limestone quarries in Mediterranean environment. It aims to answer three basic questions: where, when and how should intervention by ecologica...

Journal: :Ecocycles 2021

It happened in Hungary several times that a limestone quarry opened the entrance of new, unknown cave during its activity such as case was Villány Mountains, Budapest, and Kesel?, Naszály or Esztramos Hills. is right natural caves are protected, but what solution cases? Closing mine? Absolving from protection? difficult question. The real way: we must weigh. Which more expensive? How valuable u...

Journal: :Journal of the Air & Waste Management Association 2006
Mahmoud Abu-Allaban Safeia Hamasha Alan Gertler

Many areas in Jordan suffer from elevated levels of coarse particulate matter (PM10). One potentially significant source of the observed PM is the resuspension of road dust in the vicinity of limestone quarries. To obtain data to assess the impact from this source, PM10 road dust resuspension factors near Abusiiah, a town to the north east of Amman surrounded by many quarries and brick factorie...

2007
John P. Harris Arif Chowdhury

Over the last few years the Texas Department of Transportation has expressed concern about mineralogical segregation (variation) of coarse aggregates used in bituminous mixes; problems are associated with variation in the quality of aggregates taken from a quarry/gravel pit. The primary objective of this project was to examine the effects of poor quality coarse limestone aggregate on hotmix asp...

Journal: :Journal American Society of Mining and Reclamation 1988

2012
SYED RAZIUDDIN DAYANAND AGSAR

Rare actinobacterial isolates belonging to the genera Micromonospora, Nonomuraea, Kribbella, Lechevalieria, Saccharotherix and commonly occurring Streptomyces were isolated from Limestone quarry a unique and geographical area and harsh habitat. pH – 9.0, temperature – 45 C and sodium chloride concentration – 3% were found to be optimum for the maximum growth and physiological ability of the tes...

Journal: :Journal American Society of Mining and Reclamation 1986

Journal: :Journal American Society of Mining and Reclamation 1992

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