Results 1 to 10 of about 315,389 (286)

Real-Time Identification of Rice Weeds by UAV Low-Altitude Remote Sensing Based on Improved Semantic Segmentation Model

open access: yesRemote Sensing, 2021
Real-time analysis of UAV low-altitude remote sensing images at airborne terminals facilitates the timely monitoring of weeds in the farmland. Aiming at the real-time identification of rice weeds by UAV low-altitude remote sensing, two improved ...
Yubin Lan   +8 more
doaj   +1 more source

Point Cloud Completion of Plant Leaves under Occlusion Conditions Based on Deep Learning

open access: yesPlant Phenomics, 2023
The utilization of 3-dimensional point cloud technology for non-invasive measurement of plant phenotypic parameters can furnish important data for plant breeding, agricultural production, and diverse research applications.
Haibo Chen   +6 more
doaj   +1 more source

Application Progress of UAV-LARS in Identification of Crop Diseases and Pests

open access: yesAgronomy, 2023
Disease and pest stress is one of the important threats to crop growth and development, which have a very adverse impact on crop yield and quality every year, even leading to crop failure.
Gaoyuan Zhao   +9 more
doaj   +1 more source

High-temperature tensile and fatigue strength properties of stainless steel repaired by laser metal deposition method

open access: yesNihon Kikai Gakkai ronbunshu, 2021
An overlay welding is widely employed to repair damaged components in aged thermal power plants. However, the overlay welding causes heat-affected zone and tensile residual stress which reduce the high-temperature strength of these components.
Kiyohiro ITO   +5 more
doaj   +1 more source

Preliminary Evaluation of Spraying Quality of Multi-Unmanned Aerial Vehicle (UAV) Close Formation Spraying

open access: yesAgriculture, 2022
Chemical application using unmanned aerial vehicles (UAVs) has received significant attention from researchers and the market in recent years. The concept of using drones for collaborative spraying was proposed by manufacturers for improving intelligence
Pengchao Chen   +3 more
doaj   +1 more source

Research hotspots and frontiers in agricultural multispectral technology: Bibliometrics and scientometrics analysis of the Web of Science

open access: yesFrontiers in Plant Science, 2022
Multispectral technology has a wide range of applications in agriculture. By obtaining spectral information during crop production, key information such as growth, pests and diseases, fertilizer and pesticide application can be determined quickly ...
Yali Zhang   +15 more
doaj   +1 more source

An efficient approach to detect and track winter flush growth of litchi tree based on UAV remote sensing and semantic segmentation

open access: yesFrontiers in Plant Science, 2023
The immature winter flush affects the flower bud differentiation, flowering and fruit of litchi, and then seriously reduces the yield of litchi. However, at present, the area estimation and growth process monitoring of winter flush still rely on manual ...
Shudai Bai   +21 more
doaj   +1 more source

Spray techniques: how to optimise spray deposition and minimise spray drift [PDF]

open access: yesThe Environmentalist, 2007
A summary is given of research within the field of application technology for crop protection products for the past 10 years in The Netherlands. Results are presented for greenhouse, orchard, nursery tree and arable field spraying for the typical Dutch situation.
van de Zande, J.C.   +6 more
openaire   +2 more sources

Probiotic nasal spray development by spray drying

open access: yesEuropean Journal of Pharmaceutics and Biopharmaceutics, 2021
The upper respiratory tract (URT) is the main entrance point for many viral and bacterial pathogens, and URT infections are among the most common infections in the world. Recent evidences by our own group and others imply the importance of lactobacilli as gatekeepers of a healthy URT.
Jokicevic, Katarina   +6 more
openaire   +3 more sources

Multi-country assessment of residual bio-efficacy of insecticides used for indoor residual spraying in malaria control on different surface types: results from program monitoring in 17 PMI/USAID-supported IRS countries

open access: yesParasites & Vectors, 2018
Background Indoor residual spraying (IRS) is the application of insecticide to the interior walls of household structures that often serve as resting sites for mosquito vectors of malaria.
Dereje Dengela   +8 more
doaj   +1 more source

Home - About - Disclaimer - Privacy