Results 111 to 120 of about 21,869 (158)

[Mechanism of silibinin in renal injury induced by periodontitis in mice]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Hu M   +5 more
europepmc   +1 more source

塔里木河中下游退耕还林还草综合生态效益评价研究

open access: yesShuitu Baochi Xuebao, 2004
以恢复生态学为理论指导,区域可持续发展为目的,根据塔里木河中下游退耕还林还草的现状,建立退耕还林还草综合生态效益的评价指标体系和评价模型,应用层次分析法(AHP)原理推测塔里木河中下游生态林、经济林、牧草等3种退耕还林还草类型的综合生态效益指数,并与农田生态系统进行了对比研究。研究结果表明生态林、经济林、牧草等退耕还林还草类型的生态效益均大于农田生态系统。其生态效益指数排序为:经济林>生态林>牧草>农田。这一研究结果将为塔里木河中下游退耕还林还草工程规划、布局等经营方式提供理论依据。
doaj  

[Analysis of disease burden, attributable risk factors of low back pain in China from 1990 to 2023 and prediction for 2030]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wei J   +11 more
europepmc   +1 more source

[Application of percutaneous endoscopic gastrostomy in children with methylmalonic acidemia or propionic acidemia complicated by feeding difficulties: a case series of 7 patients]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Li WY   +10 more
europepmc   +1 more source

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