نتایج جستجو برای: harvesting frequency

تعداد نتایج: 510682  

حسین رحیمی, , محمد لغوی, ,

A 4x4 factorial experiment with a completely randomized design with three replications was conducted separately on two major pistachio varieties, Ohady and Kaleghoochy, to investigate the effects of shaking amplitude and frequency on pistachio nut and cluster detachment. Four levels of shaking frequencies used for Ohady were 5, 7.5, 10 and 12.5 Hz, while those of Kaleghoochy were 7.5, 10, 12.5 ...

2017
Dinh T. Tran Maarten L. A. T. M. Hertog Thi L. H. Tran Nguyen T. Quyen Bram Van de Poel Clara I. Mata Bart M. Nicolaï

In this study, the aim is to develop a population model based approach to optimize fruit harvesting strategies with regard to fruit quality and its derived economic value. This approach was applied to the case of tomato fruit harvesting under Vietnamese conditions. Fruit growth and development of tomato (cv. "Savior") was monitored in terms of fruit size and color during both the Vietnamese win...

2018
A. A. Nasir H. D. Tuan T. Q. Duong M. Debbah

Wireless power transfer via radio-frequency (RF) radiation is regarded as a potential solution to energize energy-constrained users, who are deployed close to the base stations (near-by users). However, energy transfer requires much more transmit power than normal information transfer, which makes it very challenging to provide the quality of service in terms of throughput for all near-by users...

Journal: :Journal of Vibration and Acoustics 2021

Abstract Controlling and manipulating elastic/acoustic waves via artificially structured metamaterials, phononic crystals, metasurfaces have gained an increasing research interest in the last decades. Unlike others, a metasurface is single layer host medium with array of subwavelength-scaled patterns introducing abrupt phase shift wave propagation path. In this study, elastic composed slender b...

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Journal: :FEBS letters 1999
J P Dekker H van Roon E J Boekem

We report a structural characterization by electron microscopy and image analysis of a supramolecular complex consisting of seven trimeric light-harvesting complex II proteins. The complex was readily observed in partially-solubilized Tris-washed photosystem II membranes from spinach but was also found to occur, with a low frequency, in oxygen-evolving photosystem II membranes. The structure re...

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