Results 21 to 30 of about 3,421,975 (283)

Plasma-Based Flow Control for Improved Aerodynamic Efficiency [PDF]

open access: yesEPJ Web of Conferences
Plasma flow actuators have emerged as an innovative solution for active flow control, offering unparalleled capabilities to enhance aerodynamic performance.
Lal Vishwaijith, Ntantis Efstratios L.
doaj   +1 more source

Schottky barrier solar cell promises improved efficiency [PDF]

open access: yes, 1975
Higher current and higher voltage can be obtained by using Schottky barrier device with wide band-gap semiconductor as top layer and lower band-gap semiconductor underneath.
Stirn, R. J.
core   +1 more source

The HIT Network for Children and Adolescents With CNS Tumors Facilitates Improvements of Diagnostic Assessments, Multimodal Treatments, Individual Counseling, and Research in Germany, Austria, and Switzerland

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background The HIT network was established in 2000 to create a population‐based structure aiming to improve survival rates and reduce late effects for children with central nervous system (CNS) tumors by conducting comprehensive clinical trials.
Stefan Rutkowski   +59 more
wiley   +1 more source

Improved financial performance without improved operational efficiency: the case of Nigerian firms

open access: yesForum Scientiae Oeconomia, 2018
Is the financial performance of Nigerian companies really improving? If so, what about the operational efficiency of these firms? Though profits are on the rise, can these companies possibly be efficient, in spite of the problems inherent in the economy?
Olaniyi Evans
doaj   +1 more source

Improved Spatial Modulation for High Spectral Efficiency

open access: yes, 2012
Spatial Modulation (SM) is a technique that can enhance the capacity of MIMO schemes by exploiting the index of transmit antenna to convey information bits.
Hafez, Roshdy H. M.   +2 more
core   +2 more sources

Utility of Computed Tomography Surveillance of Asymptomatic Infection in Children and Young Adults Before Allogeneic Hematopoietic Stem Cell Transplant

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Asymptomatic infection poses a significant risk for children undergoing hematopoietic stem cell transplantation (HSCT). Pre‐transplant surveillance computed tomography (CT) is commonly used to identify occult infection, though its diagnostic yield remains uncertain.
Tyler Obermark   +9 more
wiley   +1 more source

Public participation in technological innovation: The case of the Tshulu stove development programme

open access: yesJournal of Energy in Southern Africa, 2017
The design of products for developing communities often excludes the end-users in the decision making process. The study aims to investigate public participation and engagement in the design and development of the Tshulu woodstove.
Tafadzwa Makonese   +1 more
doaj   +1 more source

Beam Shaping for Wireless Optical Charging with Improved Efficiency

open access: yesCrystals, 2021
Optical wireless charging is a nonradiative long-distance power transfer method. It may potentially play an important role in certain scenarios where access is challenging, and the radio frequency power transfer is less efficient.
Lei Tian, Jiewen Nie, Haining Yang
doaj   +1 more source

Criterion‐Related Validity of the Neuropsychological Quick Assessment for Screening Cognitive, Motor, and Behavioral Impairments in Patients With Pediatric Brain Tumors: An Observational Pilot Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Neuropsychological complications may impair the qualitative prognosis of patients with pediatric brain tumors. However, multifaceted evaluations cannot be conducted in all patients because they are time consuming and burdensome for patients.
Ami Tabata   +9 more
wiley   +1 more source

Fuel efficiency and kiln produotion improved by modernization

open access: yesMateriales de Construccion, 1950
No ...
Atherton
doaj   +1 more source

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