Evaluating the impact of land fragmentation on the cost of agricultural operation in the southwest mountainous areas of China
Sign Up to like & getrecommendations! Published in 2020 at "Land Use Policy"
DOI: 10.1016/j.landusepol.2020.105099
Abstract: Abstract Given the background of the increasing opportunity cost of farming and the popularization of labour-saving technology, increased fragmentation has gradually become a key factor in the devaluation and abandonment of land assets. To systematically… read more here.
Keywords: mountainous areas; fragmentation; total minimum; land ... See more keywords
Shannon index analysis in TCR sequencing for patients with lung adenocarcinoma: The clinical implications.
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Clinical Oncology"
DOI: 10.1200/jco.2024.42.16_suppl.e20053
Abstract: e20053 Background: Immune repertoire (IR) is the collection of functionally diverse T and B cells in an individual's circulatory repertoire at a particular time. The CDR3 is the main variation region of the CDR of… read more here.
Keywords: age; shannon index; simpson index; index ... See more keywords
On the Optimal Point of the Weighted Simpson Index
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DOI: 10.3390/math12040507
Abstract: In this short communication, following a brief introduction, we undertake a comprehensive analytical study of the weighted Simpson index. Our primary emphasis concerns the precise determination of the optimal point (minimizer) coordinates and of the… read more here.
Keywords: weighted simpson; point weighted; simpson index; optimal point ... See more keywords