Results 21 to 30 of about 3,615 (175)
Entre la movilización y la negociación: FAA y UATRE frente al agronegocio
Avances del Cesor, 2021 La configuración del agronegocio no estuvo exenta de conflictos que estructuraron formas de organización y demandas frente al avance y consolidación del nuevo paradigma productivo. El objetivo del presente artículo es historizar cómo emergió la conflictividad en el mundo rural y de qué manera la misma fue procesada y canalizada por las organizaciones ...
Carini, Gabriel Fernando +1 more
openaire +5 more sources
Journal of Marine Science and Engineering, 2023 Long-range underwater targets must be accurately and quickly identified for both defense and civil purposes. However, the performance of an underwater acoustic target recognition (UATR) system can be significantly affected by factors such as lack of data
Anqi Jin, Xiangyang Zeng
doaj +1 more source
Evaluation of hydrogel use in the development of Rapanea ferruginea with water restriction by vibrational Fourier Transform Infrared Spectroscopy (FTIR-UATR) [PDF]
Ambiente e Agua - An Interdisciplinary Journal of Applied Science, 2021 This study evaluated the use of hydrogel on the development of Rapanea ferruginea under water restriction through Vibrational Fourier Transform Infrared Spectroscopy (FTIR-UATR). Seedlings of approximately 30 cm height were transferred in pots with 3 L of soil. The group of seedlings was separated into 5 different triplicate treatments according to the
Pereira, Douglas Cubas +2 more
openaire +4 more sources
An Underwater Acoustic Target Recognition Method Based on Spectrograms with Different Resolutions
Journal of Marine Science and Engineering, 2021 This paper focuses on the automatic target recognition (ATR) method based on ship-radiated noise and proposes an underwater acoustic target recognition (UATR) method based on ResNet.
Xinwei Luo +4 more
doaj +1 more source
Design of Siamese Network for Underwater Target Recognition with Small Sample Size
Applied Sciences, 2022 The acquisition of target data for underwater acoustic target recognition (UATR) is difficult and costly. Although deep neural networks (DNN) have been used in UATR, and some achievements have been made, the performance is not satisfactory when ...
Dali Liu +4 more
doaj +1 more source
A two-step approach to achieve secondary amide transamidation enabled by nickel catalysis. [PDF]
, 2016 A long-standing challenge in synthetic chemistry is the development of the transamidation reaction. This process, which involves the conversion of one amide to another, is typically plagued by unfavourable kinetic and thermodynamic factors. Although some
Anthony, Sarah M +4 more
core +2 more sources
Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan, 2021 Tingginya akumulasi sampah plastik di perairan Indonesia dapat meningkatkan potensi cemaran mikroplastik. Ikan dan garam merupakan bahan baku utama pembuatan ikan pindang yang keduanya berpotensi membawa berbagai bahan cemaran, termasuk mikroplastik ...
Gunawan Gunawan +2 more
doaj +1 more source
The Effect of Interfacial Chemical Bonding in TiO2-SiO2 Composites on their Photocatalytic NOx Abatement Performance [PDF]
, 2017 The authors gratefully acknowledge funding from the UK Engineering and Physical Sciences Research Council (Grant Ref: EP/M003299/1) and the Natural Science Foundation of China (No.
Hakki, Amer +3 more
core +1 more source
Development and characterization of sodium polyacrylate/bentonite hydrogel with epoxy resin coating [PDF]
Polímeros, 2023 Composites are relevant to high-performance materials in the aerospace sector and have attracted the attention of the scientific and technological communities. Bentonites present very fine granulometry which enables their use in composites.
Marcia Murakoshi Takematsu +5 more
doaj +1 more source
Taming tosyl azide: the development of a scalable continuous diazo transfer process [PDF]
, 2016 Heat and shock sensitive tosyl azide was generated and used on demand in a telescoped diazo transfer process. Small quantities of tosyl azide were accessed in a one pot batch procedure using shelf stable, readily available reagents. For large scale diazo
Collins, SG +5 more
core +1 more source