Results 41 to 50 of about 952,700 (265)

Design Considerations Concerning an Innovative Drive System for a Manual Wheelchair

open access: yesApplied Sciences
Manual wheelchairs, which are the basic means of transport for people with disabilities, are usually characterized by an inefficient adaptation to the physical capabilities of their users.
Michał Kończak   +2 more
doaj   +1 more source

The integrated approach to traction calculation of belt conveyors [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2018
There was suggested a probabilistic mathematical model of tractive effort distribution among the drives of multidrive belt conveyors. This model takes into account (in an inverted way) speed variations of different points of tractive and carrying belt ...
Goncharov K.A., Dunaev V.P.
doaj   +1 more source

Bone and Soft Tissue Neoplasms in Infants Versus Older Children: A Report From the Cancer in Young People in Canada Program

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background and Aims Infant bone and soft tissue neoplasms present distinct clinical challenges and lack large‐scale data to inform treatment decisions. This study aims to characterize bone and soft tissue neoplasms in infants in Canada and to compare their outcomes with those of older pediatric patients.
Samuel Sassine   +21 more
wiley   +1 more source

Investigation of the dynamic characteristics of the pneumatic-mechanical drive of the installation movements of machine mechanisms

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
The creation of new and improvement of existing machines and mechanisms requires the development of drive engineering and the creation of new drive systems capable of competing with currently known circuit solutions.
S. P. Prikhodko   +2 more
doaj   +1 more source

Effects of voltage unbalance and harmonics on drive systems with induction motor

open access: yesJournal of Taibah University for Science, 2022
Due to the significant share of the induction motors (IMs) in global electricity consumption, the study of the IM in different power supply regimes is the aim of this work.
Horia G. Beleiu   +5 more
doaj   +1 more source

Feeding, Fear, and Acceptance: Caregivers’ Experiences of Nutritional Support During Childhood Cancer Treatment

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose To explore caregivers' experiences and perceptions of the nutritional challenges faced by children and adolescents undergoing cancer treatment, including oral intake and the use of nutritional support. Methods This was a qualitative study based on focus groups with parents and caregivers at a Brazilian pediatric oncology hospital ...
Danyelle Apparecida Balsamão Marques   +5 more
wiley   +1 more source

Design and Research of Three-extensible-rod Solar Tracking Drive System for Photovoltaic Panels

open access: yes工程科学与技术, 2020
A solar tracking drive system can significantly improve the efficiency of photovoltaic panels for receiving solar energy. Compared with series-type, parallel-type solar tracking drive systems have great application potential in solar tacking with its ...
Tao ZHENG   +5 more
doaj  

Neurocognitive, School‐Based, and Quality of Life Outcomes for Youth With Sickle Cell Disease and Thalassemia: A Scoping Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT The medical burdens of sickle cell disease (SCD) and transfusion‐dependent β‐thalassemia (TDT) are chronic and cumulative, even in children. Yet the effects expand beyond medications and healthcare visits due to their impacts on school attendance, academic performance, and peer engagement.
Mary Ann Etling   +2 more
wiley   +1 more source

Lorlatinib‐Containing Therapy for MYCN‐Amplified, ALK‐Mutated Neuroblastoma With Bulky Leptomeningeal Relapse: A Case Report

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Central nervous system (CNS) relapse of neuroblastoma carries a poor prognosis, and craniospinal irradiation (CSI) poses substantial long‐term toxicity in young children. We report a toddler with MYCN‐amplified neuroblastoma harboring somatic ALK R1275Q who developed extensive leptomeningeal relapse with paraplegia.
Jinwoo Kim   +11 more
wiley   +1 more source

Analysis on Bearing Arrangement of High-power Locomotive Drive System Based on Romax

open access: yes机车电传动, 2014
In order to analyze the influence of different bearing arrangement on the high-power locomotive drive system, the bending deformation of the armature axle, bearing life and gear mesh were compared by Romax Designer software.
ZHANG Jun   +3 more
doaj  

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