Results 21 to 30 of about 107,069 (313)
Foram avaliados os perfis de distribuição volumétrica das pontas de pulverização de jato plano "Extended Range" XR 8004, "Teejet" TP 8004 e "TwinJet" TJ60-8004, em mesa de teste construída segundo a norma ISO 5.682-1:1996, sendo as pontas de pulverização
F.C. Bauer, C.G. Raetano
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Comparison between standard and drift reducing nozzles for pesticide application in citrus: Part II. Effects on canopy spray distribution, control efficacy of Aonidiella aurantii (Maskell), beneficial parasitoids and pesticide residues on fruit [PDF]
Venturi nozzles are often recommended to reduce drift, which is one of the major pollution sources caused by the application of plant protection products on high growing crops. The coarse droplets produced by this type of nozzle could however also affect
Abad, Raquel +7 more
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A Comparative Study of Nozzle/Diffuser Micropumps with Novel Valves
This study conducts an experimental study concerning the improvement of nozzle/diffuser micropump design using some novel no-moving-part valves. A total of three micropumps, including two enhancement structures having two-fin or obstacle structure and ...
Jin-Cherng Shyu +4 more
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Performance testing of field crop sprayers in the Rasina district [PDF]
In agricultural production, pests and diseases of agricultural crops, as well as weed plants, cause significant losses in the yield and quality of agricultural products.
Đokić Dragoslav +6 more
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In order to reduce the temperature of cooling water and increase the efficiency of use of power resources the main directions of modernization of systems of technical water supply with cooling towers at steam power plants are presented.
Yu. A. Zenovich-Leshkevich-Olpinskiy +2 more
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Nozzles are the most critical component of a sprayer for pesticide applications. Recently, air-induction nozzles and twin flat-fan air-induction nozzles have started to be used for herbicide applications. In order to evaluate the potential of compact air-
Shilin Wang +6 more
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A suction air cooling by water spray has been used for inlet air of gas turbines. The cooling performance depends on spray characteristics and surrounding conditions.
Asuka TAKATSUKI +7 more
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Submerged cavitating jets can effectively remove marine organisms from ship hulls without damaging the surface paint. To enhance the cleaning efficiency of cavitating jets, the selection of an appropriate nozzle structure and the design of an efficient ...
Siwen Huang, Jiangping Huang, Kai He
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Performance of Drift-Reducing Nozzles in Controlling Small Weed Seedlings with Contact Herbicides
In many EU countries, spray applications should comply with increasingly stringent requirements regarding the drift reduction class of spray nozzles. Many farmers fear that the use of drift-reducing nozzles producing coarse droplet spectra may compromise
Benny De Cauwer +5 more
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Identification of the Sequence of Steps Intrinsic to Spheromak Formation [PDF]
A planar coaxial electrostatic helicity source is used for studying the relaxation process intrinsic to spheromak formation Experimental observations reveal that spheromak formation involves: (1) breakdown and creation of a number of distinct, arched ...
Bellan, P. M., You, S., Yun, G. S.
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