Results 31 to 40 of about 495,373 (264)

Low Cost Omnidirectional Sound Source Utilizing a Common Directional Loudspeaker for Impulse Response Measurements

open access: yesApplied Sciences, 2018
Alternative low-cost sources (e.g., balloons, gun fires) are used for impulse response measurements when a dodecahedron speaker is not available. This study sets to explore the applicability of a method utilizing a common directional loudspeaker as a ...
Nikolaos M. Papadakis   +1 more
doaj   +1 more source

Optimization Experiment of Production Processes Using a Dynamic Decision Support Method: A Solution to Complex Problems in Industrial Manufacturing for Small and Medium-Sized Enterprises

open access: yesSensors, 2023
In the industrial sector, production processes are continuously evolving, but issues and delays in production are still commonplace. Complex problems often require input from production managers or experts even though Industry 4.0 provides advanced ...
Simona Skėrė   +3 more
doaj   +1 more source

Decision support for build-to-order supply chain management through multiobjective optimization [PDF]

open access: yes, 2012
This is the post-print version of the final paper published in International Journal of Production Economics. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections,
Gallear, D   +5 more
core   +1 more source

A Single Phase Acid for One Step Removal of Organic Deposition and Inorganic Scale

open access: yesZuanjingye yu wanjingye
The deposition of organic and inorganic scales in the near wellbore zone seriously affects the normal production of oil and gas. Conventional blockage removal systems cannot simultaneously remove organic, inorganic, and their mixed scales.
Bo CUI   +5 more
doaj   +1 more source

Efficacy and Safety Analysis of Roxarestat in Regulating Renal Anemia in Patients on Maintenance Hemodialysis

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Objective To compare the efficacy and safety of roxarestat versus recombinant human erythropoietin (rhEPO) in the management of renal anemia in patients undergoing maintenance hemodialysis. Methods This was a prospective, open‐label, randomized controlled trial.
Lingling Chen, Junjie Zhu, Qiaonan Ge
wiley   +1 more source

Improved Source Characteristics of a Handclap for Acoustic Measurements: Utilization of a Leather Glove

open access: yesAcoustics, 2020
A handclap is a convenient and easily available source for room acoustic measurements. If used correctly (e.g., application of optimal hand configuration) it can provide usable results for the measurement of acoustic parameters, within an expected ...
Rick de Vos   +2 more
doaj   +1 more source

Therapeutic Apheresis in Nigeria: A Multi‐Center Summary of Abstracts From the Inaugural Nigerian Society for Apheresis Scientific Meeting

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Therapeutic apheresis (TA) is an established treatment modality for hematologic, neurologic, and immunologic disorders, yet access remains severely limited in sub‐Saharan Africa. Donor apheresis, including platelet apheresis collection from healthy donors, represents an important complementary modality supporting blood product ...
Nosa Bazuaye   +33 more
wiley   +1 more source

Robust production optimization of gas-lifted oil fields [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia de Automação e Sistemas, Florianópolis, 2015.Com a crescente demanda por energia fóssil as operadoras petrolíferas têm buscado ...
Hülse, Eduardo Otte
core  

Thermo-chemical heavy oil development: multi-reaction coupled heat generation & recovery enhancement

open access: yesEnergy Conversion and Management: X
Traditional heavy oil thermal recovery methods, which rely on steam from conventional boilers as the heat transfer medium, suffer from limitations such as low recovery efficiency due to rapid reservoir water breakthrough and poor thermal utilization.
Tao Lin   +9 more
doaj   +1 more source

Strategies to Enhance Periplasmic Recombinant Protein Production Yields in Escherichia coli

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Main reasons to produce recombinant proteins in the periplasm of E. coli rather than in its cytoplasm are to -i- enable disulfide bond formation, -ii- facilitate protein isolation, -iii- control the nature of the N-terminus of the mature protein, and -iv-
Alexandros Karyolaimos   +1 more
doaj   +1 more source

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