Results 11 to 20 of about 2,467 (267)

Development of an Orchard Mowing and Sweeping Device Based on an ADAMS–EDEM Simulation

open access: yesAgriculture, 2023
In the context of cutting grass in orchards, the practice of leaving cut weeds in the orchard rows hinders the decomposition of the weeds and the absorption of nutrients by the fruit trees.
Shuai Shen   +5 more
doaj   +1 more source

Biological remediation of roadside areas [PDF]

open access: yesE3S Web of Conferences, 2020
During the construction of highways, significant damage is caused to the environment: the soil cover is degraded, vegetation cover and the natural landscape are destroyed.
Grebenshchikova Elena   +2 more
doaj   +1 more source

Investigations of physicochemical properties of dusts generated in mechanical reclamation process of spent moulding sands with alkaline resins [PDF]

open access: yesChina Foundry, 2014
Mechanical reclamation processes of spent moulding sands generate large amounts of post-reclamation dusts mainly containing rubbed spent binding agents and quartz dusts. The amount of post-reclamation dusts, depending in the reclamation system efficiency
R. Dańko, M. Holtzer, J. Dańko
doaj  

Intelligent monitoring system for plastic film and drip tape laying quality in film mulching planters based on multi-sensor fusion

open access: yesJournal of Agricultural Engineering
Manual monitoring of plastic film and drip tape laying quality during mulch-covered seed drill operations is limited by high labor intensity, delayed fault detection, and unstable accuracy.
Haoqiang Sun   +4 more
doaj   +1 more source

Influence of the reclamation method of spent moulding sands on the possibility of creating favourable conditions for gases flow in a mould

open access: yesArchives of Metallurgy and Materials, 2017
The results of investigations concerning the influence of the applied sand matrix (fresh sand, reclaim) on the properties of moulding sands used for production of large dimensional castings (ingot moulds, ladles), are presented in the hereby paper.
Łucarz M., Drożyński D.
doaj   +1 more source

Design and Experimental Study of a Cleaning Device for Edible Sunflower Harvesting

open access: yesAgriculture
Existing cleaning devices for edible sunflower have a low cleaning efficiency, high cleaning loss rate, and high impurity rate; therefore, a wind-sieve-type cleaning device for edible sunflower harvesting was designed. According to the characteristics of
Xingyu Yang   +6 more
doaj   +1 more source

Investigations of Physicochemical Properties and Thermal Utilisation of Dusts Generated in the Mechanical Reclamation Process of Spent Moulding Sands

open access: yesArchives of Metallurgy and Materials, 2015
The after reclamation dusts originated from various foundry plants, applying moulding sands with organic binding agents, mostly resins, are characterised by different properties in dependence of the used binders, reclamation systems, spent sands ...
Dańko R., Holtzer M., Dańko J.
doaj   +1 more source

Design and Experiment of Plate Taking Control System of Edible Sunflower (Edulis helianthus catino L.) Harvester

open access: yesAgriculture
This study aims at the problems of high labor intensity, high cost and high loss rate of mechanical picking of seeds, low mechanization level and difficulty to guarantee the quality of picking plates in the process of picking edible sunflower.
Feng Pan   +6 more
doaj   +1 more source

Design and Field Experiment of Synchronous Hole Fertilization Device for Maize Sowing

open access: yesAgriculture
The disadvantages of traditional strip fertilization technology for corn planting in China include low fertilizer utilization rates, unstable operation quality, and environmental pollution.
Feng Pan   +6 more
doaj   +1 more source

Design and Experimental Analysis of an Air-Suction Wheat Precision Hill-Seed Metering Device

open access: yesAgriculture
The uniformity of the wheat distribution within and between rows has a significant effect on crop population structure, leading to decreased yield as nonuniformity increases.
Ziheng Fang   +5 more
doaj   +1 more source

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