Results 151 to 160 of about 343,693 (296)

The Role of Certifications in Improving Household Food Security Among Peruvian Farmers

open access: yesAgribusiness, EarlyView.
ABSTRACT Achieving global food security requires sustainable transformations in agri‐food systems. Voluntary Sustainability Standards (VSS) such as Organic and Fairtrade aim to internalize certain social and environmental costs while promoting more equitable value distribution, improved market access, and sustainable production practices.
Lisa‐Marie Schulte, Awudu Abdulai
wiley   +1 more source

Emergency presentation of colorectal cancer in Africa: a scoping review. [PDF]

open access: yesBMJ Open
Chinyowa S   +5 more
europepmc   +1 more source

Literature review on current methodologies to assess C balance in CDM afforestation/reforestation projects and a few relevant alternatives for assessing water and nutrient balance, as a complement to carbon sequestration assessments : Project no 037132. CARBOAFRICA. Quantification, understanding and prediction fo carbon cycle, and other GHG gases, in Sub-Saharan Africa. Work pagage N°6

open access: green, 2007
Laurent Saint‐André   +16 more
openalex   +1 more source

Multitarget Recognition of Flower Images Based on Lightweight Deep Neural Network and Transfer Learning

open access: yesAdvanced Intelligent Systems, EarlyView.
This article proposes a lightweight YOLOv4‐based detection model using MobileNetV3 or CSPDarknet53_tiny, achieving 30+ FPS and higher mAP. It also presents a ShuffleNet‐based classification model with transfer learning and GAN‐augmented images, improving generalization and accuracy.
Qingyang Liu, Yanrong Hu, Hongjiu Liu
wiley   +1 more source

Digital Point‐of‐Care Testing Device Based on Bioluminescent Pyrophosphate in Real‐Time and Recombinase‐aid Amplification

open access: yesAdvanced Intelligent Systems, EarlyView.
A point‐of‐care testing method based on solvent‐responsive magnetic beads suitable for large‐area diagnosis and mutation screening in remote areas was developed to detect it by combining bioluminescenct pyrophosphate in real‐time technology and recombinase‐aid amplification technology.
Zhongjie Fei   +8 more
wiley   +1 more source

Recent African Literature [PDF]

open access: yesThe Geographical Journal, 1894
E. G. Ravenstein, Fred. Courteney Selous
openaire   +1 more source

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