نتایج جستجو برای: copper tailing

تعداد نتایج: 84006  

2015
Scott A. Bradford Brendan Headd Jiří Šimůnek Jacob Blaustein

Tracer and indicator microbe runoff experiments were conducted to investigate the influence of solution chemistry on the transport, retention, and release of Escherichia coli D21g. Experiments were conducted in a chamber (2.25 m long, 0.15 m wide, and 0.16 m high) packed with ultrapure quartz sand (to a depth of 0.10 m) that was placed on a metal frame at slopes of 5.6%, 8.6%, or 11.8%. Runoff ...

Journal: :Water research 2013
Lindsay A Seders Dietrich Daniel P McInnis Diogo Bolster Patricia A Maurice

The mobility of humic-substance dominated natural organic matter (NOM) concentrated from a freshwater wetland by reverse osmosis was examined in sand columns at pH 5-8, in 0.001 M and 0.01 M NaClO4. Greater mobility was observed at higher pH and lower ionic strength, although breakthrough curves (BTCs) for bulk NOM exhibited extensive tailing under all conditions examined. Based on observations...

2015
Wei Shan Zhaoguang Hu Ying Guo Chengcheng Zhang Chuanjiao Wang Hua Jiang Yao Liu Jitao Xiao

*Correspondence: Wei Shan, Institute of Cold Regions Science and Engineering, Northeast Forestry University, Harbin 150040, China e-mail: [email protected] Climate warming leads to permafrost degradation and permafrost melting phase transition, resulting in an increasing number of landslides. This study uses the road segments and road area at the intersection between Bei’an-Heihe Highway and t...

Journal: :Applied and environmental microbiology 2007
Somjai Kamolsiripichaiporn Supatsak Subharat Romphruke Udon Panithan Thongtha Suphachai Nuanualsuwan

The heat resistance of foot-and-mouth disease virus (FMDV) strains isolated from outbreaks in Thailand was investigated in phosphate-buffered saline (PBS) at 50, 60, 70, 80, 90, and 100 degrees C. The first-order kinetic model fitted most of the observed linear inactivation curves. The ranges of decimal-reduction time (D value) of FMDV strains at 50, 60, 70, 80, 90, and 100 degrees C were 732 t...

Journal: :Environmental sciences proceedings 2021

The article aims to summarize the current challenges for tailing piles and ponds geological-mining projects focusing on waste deposited in southwestern Poland.

Jajarm Alumina Plant, the only Alumina powder producer in Iran, generates 500,000 tons of red mud annually. The commonest method for final disposal of red mud in Iran is Tailing dam which is neither cost-effective nor environmentally-friendly. The main objective of this study is to evaluate the possibility of red mud recovery to be used for stabilization of loose soils. Red mud samples have bee...

Journal: :Logistics 2021

In this volatile post-COVID environment where customers look for ways to order products online using personal computers and mobile devices, a traditional sale/delivery of via single distribution channel needs be reassessed. As revolutionary alternative conventional channel, paper proposes an omni-channel strategy. The aims maximize the customer shopping experience by diversifying integrating pr...

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