[Three-dimensional finite element analysis of the cantilever fixed bridge restoration for mandibular central incisors supported by narrow-diameter implants]. [PDF]
Zhou X, Gong Y, Peng W, Fu G.
europepmc +1 more source
目的探究水电站群对植被时空变化的影响,阐明植被变化对水电站建设和气候因子的响应关系,为区域可持续发展和水电站可持续运营提供可靠的科学依据。方法利用归一化植被指数(NDVI)来反映植被变化,以谷歌地球引擎(GEE)为运算平台,耦合ModTrendr算法、Theil Sen-MK、贡献度分析、偏相关分析方法探究2000—2022年金沙江中游水电站对植被时空变化的影响,并分析气候在其中的效应。结果1) 负向突变集中于2011—2014年,突变区域集中于集水区。正向突变集中于2015年和2017年 ...
张家铮 +3 more
doaj
[State-of-the-art in peripheral nerve injury diagnosis and therapy]. [PDF]
Sun J, Chen L.
europepmc +1 more source
[Clinical efficacy of simple taper-retained external connection narrow-diameter implants applied in the narrow alveolar ridge of the premolar region: a 5-8-year follow-up study]. [PDF]
Wu H +7 more
europepmc +1 more source
2000—2020年青海河湟谷地植被NDVI时空变化及影响因素
[目的] 为了解青海河湟谷地植被时空变化情况,明晰气候变化、土地开发利用及人类活动等因素对植被变化的影响。[方法] 利用2000—2020年MODIS NDVI数据集表征植被变化,基于Theil-Sen Median趋势检验法、偏相关性分析、地理探测器等方法,探究青海河湟谷地NDVI时空变化情况及其与气温、降水、坡度、土壤类型和人类活动等影响因素的关系。[结果] (1)近20年河湟谷地植被NDVI呈波动增长趋势,显著增长区域面积为2.21×104 km2(p<0.05),占河湟谷地总面积的53.39 ...
李小宇 +3 more
doaj
[The role of extracellular vesicles in early embryo development and their application in assisted reproductive technologies]. [PDF]
Wang H, Li X, Lan H, Tong X.
europepmc +1 more source
[Methodological appraisal of statistical approaches to evaluating the impact of chronic graft-versus-host disease on mortality after hematopoietic stem cell transplantation]. [PDF]
Wu JJ, Wang JF.
europepmc +1 more source
[A clinical study on the centralized occlusal scheme for implant-supported overdentures in edentulous patients]. [PDF]
Diao C, Wang S, Li M, Pan S, Liu Y.
europepmc +1 more source
[Advances in the construction and application of a novel liver organoid model for hepatitis B virus infection]. [PDF]
Li H, Xiang KH.
europepmc +1 more source

