Results 21 to 30 of about 4,894,783 (245)

A dual-band RF energy harvesting circuit using 4th order dual-band matching network

open access: yesCogent Engineering, 2017
A novel compact rectifier for dual-band operation in the RF energy harvesting is presented. The circuit comprises a 4th order dual-band impedance matching and a single-series circuit with one double diode, both are integrating into a compact shape to ...
Sachin Agrawal   +2 more
doaj   +1 more source

Agrobacterium-mediated barley transformation. [PDF]

open access: yes, 2008
More than ten years have passed since the first successful Agrobacterium-mediated barley transformation experiment, however it is still quite challenging to establish a stably functioning agroinfiltration protocol.
Éva, Csaba   +2 more
core   +1 more source

Technologies for African Agricultural Transformation (TAAT) celebrates 143 interventions in 132 sites across Africa: Updates 2018, Issue 001

open access: yes, 2023
The Technologies for African Agricultural Transformation (TAAT) Program was initiated by the African Development Bank (AfDB) as part of its Feed Africa Initiative.
Technologies for African Agricultural Transformation
core   +1 more source

Piezoelectric transducer design for electric power generation

open access: yesRevista UIS Ingenierías, 2019
Working on alternatives for harnessing and transforming different forms of energy in a clean and efficient way, like piezoelectric phenomena, allows considering collecting energy that is commonly wasted.  For example, the piezoelectricity facilitates the
Edwin Forero-García   +2 more
doaj   +1 more source

OII: An Orientation Information Integrating Network for Oriented Object Detection in Remote Sensing Images

open access: yesRemote Sensing
Oriented object detection for remote sensing images poses formidable challenges due to arbitrary orientation, diverse scales, and densely distributed targets (e.g., across terrain). Current investigations in remote sensing object detection have primarily
Yangfeixiao Liu, Wanshou Jiang
doaj   +1 more source

Establishment of A Simple and Efficient Agrobacterium-mediated Genetic Transformation System to Chinese Cabbage (Brassica rapa L. ssp. pekinensis)

open access: yesHorticultural Plant Journal, 2021
Chinese cabbage, belonging to Brassica rapa species, is an important vegetable in Eastern Asia. It is well known that Chinese cabbage is quite recalcitrant to genetic transformation and the transgenic frequency is generally low.
Xiaonan Li   +5 more
doaj   +1 more source

An optical fibre-based frequency dissemination network for Australia

open access: yes, 2011
An optical-fibre network is being planned for distribution of optical and microwave reference frequencies in Australia. This network would connect a number of research facilities and the National Measurement Institute (NMI), allowing long-range ...
Luiten, A.   +9 more
core   +1 more source

Technologies for African Agriculture Transformation (TAAT) promotes trailblazing hybrid rice technology adapted to African conditions: TAAT news Vol. 3

open access: yes, 2023
The African Development Bank launched the Technologies for African Agriculture Transformation (TAAT) programme as part of the Bank’s Feed Africa strategy that is harnessing elite scientific research/technologies and disseminating at scale to African ...
Technologies for African Agricultural Transformation
core   +1 more source

Analyse des signaux multicomposante à modulation de fréquence linéaire par la transformation de Teager-Huang-Hough [PDF]

open access: yes, 2014
A novel detection approach of linear FM (LFM) signals, with single or multiple components, in the time-frequency plane of Teager-Huang (TH) transform is presented.
BOUDRAA, Abdelouahab   +4 more
core   +1 more source

DUAL BAND FILTER DESIGN USING REAL FREQUENCY TECHNIQUE AND FREQUENCY TRANSFORMATION

open access: yesElectrica, 2017
In this work, we present a frequency transformation based dual-band filter design approach using scatteringbased real frequency technique. In the design process, conventional low-pass to band-pass frequency transformation isintegrated with the simplified
Serkan YILDIZ   +2 more
doaj   +2 more sources

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