全部文献期刊会议图书|学者科研项目
中外文文献  中文文献  外文文献
作者:Domingos Sá , vio Pimentel , Marcelo Tabarelli
来源:[J].BIOTROPICA(IF 2.351), 2004, Vol.36 (1), pp.74-84BioOne Complete
摘要:This study investigated the seed dispersal of the canopy palm Attalea oleifera in a 3500 ha fragment of the Brazilian Atlantic Forest. We monitored ten fruiting palms during six months, when the following mammals were recorded feeding on Attalea fruits and/or seeds: (1) Braz...
作者:Domingos Sá , vio de Resende
来源:[J].Journal of Civil Engineering and Architecture Research, 2015, Vol.2 (1), pp.462-468Ethan Publishing Company
摘要:This article investigates the use of phosphogypsum, generated from the production of phosphoric acid, as a material for inclusion in cement compounds (mortar) at 10%, 20% and 30% by mass relative to the cement. The mechanical strength and thermal insulation capacity of gypsum-con...

我们正在为您处理中,这可能需要一些时间,请稍等。

资源合作:cnki.scholar@cnki.net, +86-10-82896619   意见反馈:scholar@cnki.net

×