With the selection of canteen suppliers as the research object, a canteen supplier evaluation indicator system with four arm tray for wheelchair primary indicators and 15 secondary indicators is established in this paper by analyzing the key factors influencing the selection of canteen supplier.At the same time, a case study of four food suppliers
Nutrient enrichment of high-elevation freshwater ecosystems by atmospheric deposition is increasing worldwide, and bacteria are a key conduit for the metabolism of organic matter in these oligotrophic environments.We conducted two distinct in situ microcosm experiments in a high-elevation lake (Emerald Lake, Sierra Nevada, California, USA) to evalu
Coffee leaf diseases can significantly impact the productivity and quality of the crops.Accurate and timely identification of these diseases is crucial for effective management and control.This paper proposes a hybrid feature fusion approach for identifying coffee leaf disease, including early and late feature fusion.First, we propose several hybri