crusher metal xincheng

Synthesis and evaluation of a Tetra

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nbsp 0183 32 1 Introduction Polymers have been widely used in water injection profile control water shutoff and chemical flooding in petroleum industry Li et al 2018 Kujawa et al 2001 Polymer flooding is also an important method to enhance oil recovery Lenormand et al 1988 Hakiki et al 2017 Zhou et al 2013a Wever and Picchioni 2011 in the later period of oilfield development which can...

New constraints on the genesis of the giant

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nbsp 0183 32 1 Introduction The Jiaodong district in the eastern margin of North China Craton NCC is the largest gold producer in China and also one of the largest gold provinces in the world Deng et al 2003 Li et al 2003a Li et al 2003b Goldfarb and Santosh 2013 Zhu et al 2015...

Genesis of the Zhangquanzhuang gold deposit in the

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nbsp 0183 32 1 Introduction Along the margin of North China Craton NCC abundant Mesozoic orogenic gold deposits were formed in high-grade metamorphic Archean to Paleoproterozoic terrane Hart et al 2002 Zhai et al 2004 Zhai and Santosh 2013 Li and Santosh 2014 Goldfarb et al 2014 Deng et al 2003 Deng et al 2015 Deng and Wang 2016 Yang et al 2020 Yang and Santosh 2020 with...

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