Results 31 to 40 of about 198,007 (268)

Structural analysis of combustion mechanisms [PDF]

open access: yesJournal of Mathematical Chemistry, 2014
39 detailed mechanisms for combustion of hydrogen, carbon monoxide and methanol are investigated using ReactionKinetics, a Mathematica based package. The obtained results in most cases do not depend on the choice of reaction rate coefficients, the methods only use the underlying sets of reaction steps, thus the results are robust and general in a ...
Tóth, János   +2 more
openaire   +3 more sources

Experimental analysis at different loading rates of 3D printed polymeric auxetic structure based on cylindrical elements

open access: yesPolymer Testing, 2023
This work proposes the experimental study of an auxetic polymeric structure manufactured by 3D printing (SLA). The structure is composed by a re-entrant unit cell based on cylindrical elements not previously studied.
D. Varas   +3 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

The mechanical properties of tibiofemoral and patellofemoral articular cartilage in compression depend on anatomical regions

open access: yesScientific Reports, 2021
Articular cartilage in knee joint can be anatomically divided into different regions: medial and lateral condyles of femur; patellar groove of femur; medial and lateral plateaus of tibia covered or uncovered by meniscus.
Heng Li   +4 more
doaj   +1 more source

Three-dimensional microstructure evolution of Ti–6Al–4V during multi-layer printing: a phase-field simulation

open access: yesJournal of Materials Research and Technology, 2022
Remelting and grain growth in deposited layers and the columnar-to-equiaxed transition (CET) have a significant impact on microstructural evolution during the multilayer printing process.
X.X. Yao, X. Gao, Z. Zhang
doaj   +1 more source

Experience With Performing Rheocarna Therapy via the Single‐Needle Method for Treatment of Chronic Limb‐Threatening Ischemia

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction This study investigated the safety and efficacy of single‐needle Rheocarna therapy for chronic limb‐threatening ischemia (CLTI) with wounds. Methods Six patients with CLTI involving ulcers unresponsive to revascularization underwent single‐needle Rheocarna treatment.
Yasutaka Yamauchi   +9 more
wiley   +1 more source

Computational design and evaluation of the mechanical and electrical behavior of a piezoelectric scaffold: a preclinical study

open access: yesFrontiers in Bioengineering and Biotechnology
Piezoelectric scaffolds have been recently developed to explore their potential to enhance the bone regeneration process using the concept of piezoelectricity, which also inherently occurs in bone.
Vahid Badali   +6 more
doaj   +1 more source

How woodpecker protects its brain from concussion during pecking compared with chicken and pigeon

open access: yesAIP Advances, 2020
Head injury has become a threat to human life in transportation accidents, construction. and sports. However, woodpeckers can avoid injuring their brain during high velocity and frequency pecking.
Yang Li   +4 more
doaj   +1 more source

The energy absorption of thin-walled tubes designed by origami approach applied to the ends

open access: yesMaterials & Design, 2020
An origami crash box (OCB) has a desirable crashworthiness performance because it is inclined to deform in the diamond mode (DM) with a low initial peak force Fmax and high mean crushing force Fm. Theoretically, if an OCB whose shape approaches that of a
Shizhao Ming   +5 more
doaj   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola   +4 more
wiley   +1 more source

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