Results 21 to 30 of about 115,231 (195)
Agronomy, 2021 The aerial spraying of pesticides by plant protection unmanned aerial vehicles (UAV) is a process in which the spray droplet deposition on target sites occurs under the influence of the downwash wind field.
Yubin Lan +8 more
doaj +1 more source
Agronomy, 2022 Unmanned aerial vehicles (UAVs) are widely used in field pesticide spray operations due to their wide applicability and high operational efficiency. However, their high spray height and fine pesticide droplets lead to a greater risk of drift and likely ...
Yuxuan Jiao +6 more
doaj +1 more source
Analyzing Static Spray Characteristics of Variable Spray System of Centrifugal Nozzle
Guan'gai paishui xuebao, 2023 【Objective】 This paper is to investigate experimentally the static spray characteristics of variable spray systems of centrifugal nozzles. 【Method】 A centrifugal nozzle variable spray test system was constructed by using a diaphragm pump, a high ...
GUO Yijian +4 more
doaj +1 more source
Agronomy, 2021 The adoption of auxin-tolerant crops has increased awareness regarding herbicide off-target movement. Deposition aids are promoted as a possible solution to off-target movement, although their effect on spray canopy deposition are not well understood ...
Chase Allen Samples +7 more
doaj +1 more source
Closed-Loop Control of Droplet Transfer in Electron-Beam Freeform Fabrication
Sensors, 2020 In the process of electron-beam freeform fabrication deposition, the surface of the deposit layer becomes rough because of the instability of the feeding wire and the changing of the thermal diffusion condition.
Shuhe Chang +6 more
doaj +1 more source
How micropatterns and air pressure affect splashing on surfaces [PDF]
, 2010 We experimentally investigate the splashing mechanism of a millimeter-sized ethanol drop impinging on a structured solid surface, comprised of micro-pillars, through side-view and top-view high speed imaging. By increasing the impact velocity we can tune
Lohse, Detlef +4 more
core +3 more sources
浙江大学学报. 农业与生命科学版, 2018 In the process of agricultural sustainable development, diseases and insect pests have always been the focus of attention. Due to the flexibility and convenience, unmanned aerial vehicle (UAV) spray has attracted wide attention in the field of plant ...
HE Yong +5 more
doaj +1 more source
Superconducting HfO2-YBa2Cu3O7-δ nanocomposite films deposited using ink-jet printing of colloidal solutions [PDF]
, 2019 To reduce the fabrication costs while maximizing the superconducting and pinning properties of YBa2Cu3O7−δ (YBCO) nanocomposite films, the drop-on-demand ink-jet printing technique was used to deposit colloidal YBCO inks onto LaAlO3 substrates.
Cayado, Pablo +10 more
core +2 more sources
Surface free energy and microarray deposition technology [PDF]
, 2007 Microarray techniques use a combinatorial approach to assess complex biochemical interactions. The fundamental goal is simultaneous, large-scale experimentation analogous to the automation achieved in the semiconductor industry.
Aussillous +8 more
core +1 more source
Basic elements for photodeposited high Tc thin film devices [PDF]
, 1992 Flat films, high quality insulating layers and adequately superconducting via contacts are basic elements for high Tc device fabrication. We studied the influence of the process parameters of laser deposition on the occurrence of droplets and outgrowths ...
Flokstra, J. +2 more
core +3 more sources