Results 11 to 20 of about 22,391 (242)

Research and Experiments of Hazelnut Harvesting Machine Based on CFD-DEM Analysis

Agriculture, 2022
To solve the problem of difficult hazelnut harvesting in mountainous areas of Liaoning, China, a small pneumatic hazelnut harvesting machine was designed, which can realize negative pressure when picking up hazelnut mixtures and positive pressure when ...
Dezhi Ren, Haolin Yu, Ren Zhang, Jiaqi Li, Yingbo Zhao, Fengbo Liu, Jinhui Zhang, Wei Wang   +7 more
doaj   +1 more source

Desenvolvimento e avaliação de um protótipo de cortador de base para colhedoras de cana-de-açúcar Development and evaluation of a prototype of base cutter for sugar-cane harvesters

Revista Brasileira de Engenharia Agrícola e Ambiental, 2002
Um protótipo de cortador de base para o seguimento pantográfico do perfil em colhedoras de cana-de-açúcar, foi projetado e construído e seu desempenho de flutuação foi avaliado em função da força normal de reação do perfil (F N). O trabalho foi conduzido
Carlos E. S. Volpato, Oscar A. Braunbeck, Carlos A. A. de Oliveira   +2 more
doaj   +1 more source

Analysis of the Key Factors Affecting the Capability and Optimization for Magnetostrictive Iron-Gallium Alloy Ambient Vibration Harvesters

Sensors, 2020
The basic phenomena of a cantilever energy harvesting device based on iron-gallium alloy magnetostrictive material for low frequency were systematically studied. The results highlighted how the physical parameters, geometric structure and bias conditions
Huifang Liu, Chen Cong, Chongdong Cao, Qiang Zhao   +3 more
doaj   +1 more source

Overview of sugarcane harvester virtual design in China

浙江大学学报. 农业与生命科学版, 2014
Many developed countries, such as Austria and America, have been accomplished the mechanization fully during the sugarcane production. The development of some mechanical manufacturing is on the way to automated and intelligent direction.
Wang Jun, Hu Jinbing, Wu Jianfeng
doaj   +1 more source

Influência do auxílio mecânico na colheita de tomates Influence of the harvesting aid equipment in tomato harvest

Engenharia Agrícola, 2006
O objetivo deste trabalho foi avaliar parâmetros que influenciam na colheita auxiliada e comparar a colheita tradicionalmente realizada para tomate de mesa em propriedades agrícolas, no Estado de São Paulo.
Augusto C. Sanchez, Marcos D. Ferreira, Ana M. de Magalhães, Oscar A. Braunbeck, Luis A. B. Cortez, Paulo S. G. Magalhães   +5 more
doaj   +1 more source

Engineering and Economic Evaluation of a Prototype Fabricated for Harvesting Sugarcane

Designs, 2022
A sugarcane harvester prototype was fabricated and evaluated to save time, labor, and harvesting expenses, which are included in production costs. The single-row harvester prototype fits the functional needs of the physical qualities of sugarcane and was
Ahmed Mohamed El Shal, Yasser Sayed Mazrou, Mohamed Ibrahim El Didamony   +2 more
doaj   +1 more source

DESIGN AND EXPERIMENTAL STUDY OF SORGHUM CUTTING TABLES BASED ON A PUSH AND DIVISION INTEGRATED OUTER DIVIDER [PDF]

Engenharia Agrícola
At present, there are serious problems in sorghum harvesting, such as lodging entanglement and the loss of broken stems due to the lack of an external dividing device for the cutting table and holding device.
Qinghao He, Duanyang Geng, Jianning Yin, Dong Yue, Lei Ni   +4 more
doaj   +1 more source

Temporal Evaluation of a Minimally Invasive Method of Preimplantation Genetic Testing for Aneuploidy (mi-PGT-A) in Human Embryos

Reproductive Medicine
Preimplantation genetic testing for aneuploidy (PGT-A) has become a useful approach for embryo selection following IVF and ICSI. However, the biopsy process associated with PGT-A is expensive, prone to errors in embryo ploidy determination, and ...
Katharine R. B. Phillips, Alexander G. Kuzma-Hunt, Michael S. Neal, Connie Lisle, Hariharan Sribalachandran, Ronald F. Carter, Shilpa Amin, Megan F. Karnis, Mehrnoosh Faghih   +8 more
doaj   +1 more source

Design and Experiment of Grain Lifter for Sorghum Harvester

Applied Sciences, 2023
In order to solve the problems of grain lifter in sorghum harvesting, such as ear loss and serious crop leakage loss, combined with the physical and mechanical characteristics of sorghum, the segmented and reverse spiral grain lifter for sorghum ...
Qinghao He, Qihuan Wang, Duanyang Geng, Duanxin Li, Lin Niu, Jie Ma, Ce Zhang, Jiarui Ming, Lei Ni   +8 more
doaj   +1 more source

Harvesting the Commons [PDF]

Environmental and Resource Economics, 2018
We study a socio-ecological model in which a continuum of consumers harvest a common property renewable natural resource. Markov perfect Nash equilibria of the corresponding non-cooperative game are derived and are compared with collectively optimal harvesting policies. The underlying mechanisms that drive open-access commons in our model are shaped by
Mitra, Tapan, Dasgupta, Partha, Sorger, Gerhard   +2 more
openaire   +2 more sources