Results 131 to 140 of about 89,340 (251)
ABSTRACT The growing crises in the environmental sector worldwide have increased the call for better comprehension of the linkage among governance, socio‐economic stability, and environmental degradation. In this respect, state fragility—a term covering governance gaps, political instability, and economic turmoil—has emerged as a vital and rather ...
Cristian Barra +2 more
wiley +1 more source
胡敏素(HM)是腐殖物质的主要组成部分,在碳截获、土壤结构、养分保持、生物地球化学循环等方面都占有重要的作用.采用Pallo修改法对HM进行了分组,将其分为铁结合胡敏素(HMi)、粘粒结合胡敏素(HMc)和不溶性胡敏素(HMr).并将这三种物质定义为HM的组成,同时把HMi/HMc和(HMi HMc)/HM作为HM组成的表征指标.研究了不同类型土壤的HM组成.结果表明:不同类型土壤中HM各组分含量.HMi/HMc,(HMi HMc)/HM,△lgk均各不相同;(HMi HMc)/HM>20%;除黑钙土外,
李凯, 窦森
doaj
German Science Center for the Solar Dynamics Observatory
A data and computation center for helioseismology has been set up at the Max Planck Institute for Solar System Research in Germany to prepare for the SDO mission. Here we present the system infrastructure and the scientific aims of this project, which is
Burston, R. +3 more
core
ABSTRACT Anecdotally, the onset of mineralization of rib cartilage, as visualized by radiographic studies, is assumed to occur at 3 months of age. Determining radiographically the exact day when rib cartilage mineralization begins in juvenile dogs could aid in age estimation of young dogs with unknown histories.
Monika Isabel Hoppe +3 more
wiley +1 more source
Viable but Nonculturable State, a Survival Strategy for Salmonella in Aquatic Environments
Transition of Salmonella from a culturable state to a viable but nonculturable state under various environmental stresses and current methods for detecting viable Salmonella in environmental samples. ABSTRACT In the relentless battle for survival, Salmonella has evolved mechanisms to withstand harsh conditions such as extreme temperatures, fluctuating ...
Sanelisiwe Thinasonke Duze +3 more
wiley +1 more source
A novel optical sign in keratoconus: the Halo Sign and its clinical characteristics. [PDF]
He H, Niu S, Qu L.
europepmc +1 more source
Overexpression of placenta-specific noncanonical imprinted genes causes placental enlargement in intersubspecific hybrid mice†. [PDF]
Tokita S +7 more
europepmc +1 more source
hmis: A python tool to visualize and analyze HMIS data [PDF]
Sara Mahar, Matthew Bellis
openaire +1 more source
HMI-LUSC: A Histological Hyperspectral Imaging Dataset for Lung Squamous Cell Carcinoma. [PDF]
Yan Z +7 more
europepmc +1 more source

