Results 21 to 30 of about 689,194 (262)

Efficiency of Sawdust as Low-Cost Adsorbent for Dyes Removal

Journal of Chemistry, 2020
In recent years, the removal of dyes from wastewater has attracted considerable attention due to their harmful effects to ecosystem and human health. Adsorption as a facile and effective technique has been widely used to eliminate a large variety of dyes
R. Chikri, N. Elhadiri, M. Benchanaa, Y. El maguana   +3 more
doaj   +1 more source

Characteristics of cellulose fibers from Opuntia ficus indica cladodes and its use as reinforcement for PET based composites

Journal of Natural Fibers, 2022
With the aim of valorizing the unexplored Moroccan resources, Opuntia ficus indica (OFI) cladodes were proposed as a renewable source for the production of cellulose.
Anass Benhamou, Abdelghani Boussetta, Nabil Grimi, Mohammed El Idrissi, Mehdi Nadifiyine, Francisco J. Barba, Amine Moubarik   +6 more
doaj   +1 more source

Use of Plackett–Burman Statistical Design to Study Factors Acting on the Nitric Acid Leaching of Rare Earth Elements from Moroccan Phosphogypsum

Journal of Chemistry
This work is an attempt to understand and optimize the rare earth elements leaching from Moroccan phosphogypsum using a nitric acid solution. The Plackett–Burman statistical design was used to identify the statistically significant factors responsible ...
Fatima Asafar, Marouane Amine, Abdelkader Outzourhit, Latifa Bilali, Mehdi Nadifiyine   +4 more
doaj   +1 more source

LSV-MAE: A Masked-Autoencoder Pre-Training Approach for Large-Scale 3D Point Cloud Data

IEEE Access
Masked language modeling (MLM) and masked image modeling (MIM) pretraining paradigms have achieved remarkable success in both natural language processing (NLP) and computer vision (CV).
Nuo Cheng, Chuanyu Luo, Han Li, Sikun Ma, Shengguang Lei, Pu Li   +5 more
doaj   +1 more source

Optimal Processes for Controllable Oscillators

Автоматика и телемеханика, 2018
The authors obtain the structures of optimal parametric control processes for an oscillator and for a set of oscillators, allowing to minimize (increase) the energy over a given time. Computational formulas for choosing the switching control moments are obtained.
Bjarne Andresen, Peter Salamon, Karl-Heinz Hoffmann 0002, A. M. Tsirlin   +3 more
openaire   +3 more sources

Are Fertility Preservation Procedures Before Gonadotoxic Therapy and Hematopoietic Stem Cell Transplantation Feasible and Safe in Very Young Children? A Retrospective Cohort Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Fertility preservation (FP) is increasingly integrated into the care of pediatric patients exposed to gonadotoxic therapy or conditioning for hematopoietic stem cell transplantation (HSCT), yet perioperative data in infants and toddlers remain scarce.
Kerstin Saalabian, Yannick Braun, Till‐Martin Theilen, Anke Barnbrock, Theresa Rohm, Fabienne Hammant, Nicole Sänger, Aynura Abbasova‐Semiz, Jan‐Henning Klusmann, Thomas Klingebiel, Udo Rolle, Peter Bader, Henning C. Fiegel, Andrea Jarisch   +13 more
wiley   +1 more source

Numerical investigations of AC arcs’ thermal characteristics in the short gap of copper-cored wires

Scientific Reports
Excessive alternating current (AC) arcs generated in electric systems will accumulate heat and easily cause fire. This paper studies the thermal characteristics of different numbers of AC arc plasma generated in a short gap of copper-cored wires in the ...
Yu Li, Rencheng Zhang, Kai Yang, Yufan Qi, Ran Tu   +4 more
doaj   +1 more source

Activated Carbon for Dyes Removal: Modeling and Understanding the Adsorption Process

Journal of Chemistry, 2020
Batch adsorption experiments have been conducted to investigate the removal of methyl orange from aqueous solution by an activated carbon prepared from prickly pear seed cake by phosphoric acid activation.
Y. El maguana, N. Elhadiri, M. Benchanaa, R. Chikri   +3 more
doaj   +1 more source

Real-Time Active-Reactive Optimal Power Flow with Flexible Operation of Battery Storage Systems

Energies, 2020
In this paper, a multi-phase multi-time-scale real-time dynamic active-reactive optimal power flow (RT-DAR-OPF) framework is developed to optimally deal with spontaneous changes in wind power in distribution networks (DNs) with battery storage systems ...
Erfan Mohagheghi, Mansour Alramlawi, Aouss Gabash, Frede Blaabjerg, Pu Li   +4 more
doaj   +1 more source

Central Nervous System Neuroblastoma, FOXR2‐Activated: A Pooled Analysis of Published Clinical Outcomes

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) neuroblastoma, FOXR2‐activated, is a recently recognized entity in the WHO CNS5 classification, defined by activation of the FOXR2 transcription factor and unique histopathological features. This review synthesizes available literature and pooled clinical data, providing insight into demographics ...
Sudarshawn Damodharan, Mohamed S. Abdelbaki   +1 more
wiley   +1 more source