Results 21 to 30 of about 1,983 (199)

Interaction between pressure and drop size under electronic instrumentation on a pressurized CO2 sprayer

Pesquisa Agropecuária Tropical, 2013
The most popular agricultural sprayer used to determine the effectiveness and dosage of pesticides is the backpack sprayer pressurized by CO2, which allows the application of small volumes of pesticides, on the exact amount needed in experimental plots ...
Raul Rodolfo Francischetti Gabriel, Fábio Henrique Rojo Baio   +1 more
doaj   +1 more source

The influence of hydraulic fluid viscosity on the process of their ultrasonic spraying [PDF]

Mechanics and Advanced Technologies, 2017
Известно много методов, благодаря которым возможно распылить жидкость с заданной дисперсностью. Каждый из этих методов имеет свои преимущества и недостатки. Большинство авторов рассматривало в свои работах невязкие жидкости. Уменьшить вязкость жидкости возможно различными методами, одним из которых является нагрев.
Koval, О., Kozeratskyi, М.
openaire   +3 more sources

Operational performance of an electrical backpack sprayer

Pesquisa Agropecuária Tropical, 2013
The knapsack sprayer is a very popular equipment, due to its low acquisition cost and wide applicability. In recent years, electric backpack sprayers, which increase the operator's comfort and improve the spraying operation quality, have come up.
Robson Shigueaki Sasaki, Mauri Martins Teixeira, Luís Eduardo Nogueira, Cleyton Batista de Alvarenga, Marcus Vinicius Morais de Oliveira   +4 more
doaj   +1 more source

Droplets population spectrometry and its effect on costal hydraulic spraying dispersion

Bioscience Journal, 2016
The droplets population and spectrum produced during a spraying influence the pesticides distribution efficiency. Through the droplets population and spectrum is possible to determine the quality of spraying and the implications on applicator and ...
Mauri Martins Teixeira, Marcelo Coutinho Picanço, Humberto Santiago, Hamilton Carvalho dos Santos Júnior   +3 more
doaj   +3 more sources

Sistemas de aplicação e inseticidas no controle de Anticarsia gemmatalis na soja Application systems and insecticides to control Anticarsia gemmatalis in soybean

Revista Brasileira de Engenharia Agrícola e Ambiental, 2012
Normalmente, a aplicação de inseticidas para o controle de Anticarsia gemmatalis na cultura da soja é realizada com bicos hidráulicos. Dentre outras possibilidades se destacam a assistência de ar junto à barra de pulverização e a aplicação de baixo ...
Jerson V. C. Guedes, Rubens A. Fiorin, Glauber R. Stürmer, Elder Dal Prá, Clérison R. Perini, Mauricio Bigolin   +5 more
doaj   +1 more source

New mechanized system for circle spraying of oil palms seedling emergence

Scientia Agricola, 2012
A new machine system has been designed, developed and evaluated for extensive circle spraying of oil palms (Elaeis guineensis Jacq.) in an effort to overcome the inefficient spraying problem with the conventional spraying system.
Darius El Pebrian, Azmi Yahya
doaj   +1 more source

Spray volume distribution pattern and droplet size spectrum from ceramic nozzles

Revista Brasileira de Engenharia Agrícola e Ambiental
Droplet size spectrum and uniformity of spray volume distribution are important parameters for selecting spray nozzles. The objective of this study was to evaluate the average spray volume distribution and droplet size spectrum from ceramic nozzles.
Mateus P. Massola, Vandoir Holtz, Marcos P. de O. Martins, Anderson da S. Umbelino, Elton F. dos Reis   +4 more
doaj   +1 more source

Research on key technologies of intelligent large mining height fully mechanized mining equipments

Gong-kuang zidonghua, 2019
In order to ensure safe and high-efficient operation of intelligent fully mechanized mining equipments and normalized application of intelligent fully mechanized mining technologies, for fully mechanized mining equipments such as shearer, hydraulic ...
ZHANG Yuliang
doaj   +1 more source

Experimental Study on Performance of Square Nozzle in Sprinkler Irrigation Systems under Low-intermediate Operating Pressure

Guan'gai paishui xuebao, 2022
【Objective】 The performance of sprinkler irrigation systems depends on many design factors and in this paper, we study the effect of orifice shape and the impact-arm of the nozzle on spraying characteristics when the systems are operated under low ...
HUA Lin, LI Hong, JIANG Yue, QIN Longtan
doaj   +1 more source

Characterization and Evaluation of an Electrostatic Knapsack Sprayer Prototype for Agricultural Crops

Agronomy
Pesticide application development has grown exponentially in recent decades thanks to the implementation of new technologies and improved quality of spray input application.
Alba Vigo-Morancho, María Videgain, Antonio Boné, Mariano Vidal, Francisco Javier García-Ramos   +4 more
doaj   +1 more source