Results 301 to 310 of about 264,481 (351)

Development of SiC Nanocomposites Using Direct Ink Writing Process

Advanced Engineering Materials, EarlyView.
Herein, feedstock inks containing polycarbosilane and various concentrations of SiC nanoparticles (SiCnp) are investigated for fabricating ceramic matrix composites using a DIW 3D printing process. Characterization results from physical measurement, microstructure analysis, and thermal and flexural testing suggested that high‐performance CMC samples ...
Jinchen Han, Israa Eltahir Ali Elfaki, Luke Weston, Chenggang Chen, Donald A. Klosterman, Li Cao   +5 more
wiley   +1 more source

Linking Heat Treatment to Plastic Deformation in Pearlitic Steels Through Mesoscale Modeling

Advanced Engineering Materials, EarlyView.
Surface wear on rail and wheel steels results from surface deformation during use. This research uses mathematical models to forecast the plastic behavior of pearlitic steels, connected to the microstructure formed during heat treatment. While the cooling rate impacts the steels’ strength, the size of prior austenite grains and blocks does not ...
Saham Sadat Sharifi, Hamed Davoodi Jooneghani, Maria Domankova, Klaus Six, Gerald Trummer, Maria Cecilia Poletti   +5 more
wiley   +1 more source

Formation of Intermetallic Sludge Phases in AlMgSi Alloys with High Concentrations of Alloying Elements: A Drawback for Increasing Sustainability

Advanced Engineering Materials, EarlyView.
Sludge phases with brittle fracture behavior form in AlMgSi alloys with high concentrations of alloying elements and negatively influence their ductility. The phase type mainly depends on the Si content and the concentration of minor alloying elements like Fe, Mn, Cr, and Mo strongly influences the number of sludge particles. The need for sustainable
Dominik Steinacker, Matthias Glosemeyer, Johannes Seltsam, Heinz Werner Höppel   +3 more
wiley   +1 more source

Production of Metallic Foam Precursors Using Current‐Activated Pressure‐Assisted Densification

Advanced Engineering Materials, EarlyView.
A powder compaction metallurgical method, known as current‐activated pressure‐assisted densification, is applied to enhance the compaction of metal foam precursors. This method improves precursor quality by achieving higher density, lower electrical resistivity, and more uniform pore nucleation in the resulting foams, reducing energy consumption and ...
Tillmann Robert Neu, Paul Hans Kamm, Francisco García‐Moreno   +2 more
wiley   +1 more source

Exploring Dipolar Dynamics and Ionic Transport in Metal‐Organic Frameworks: Experimental and Theoretical Insights

Advanced Functional Materials, EarlyView.
In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund, Arthur Schulz, Peter Lunkenheimer, Maryana Kraft, Thomas Bergler, Harald Oberhofer, Dirk Volkmer   +6 more
wiley   +1 more source

Standardized uptake value_max of the primary lesion combined with tumor markers for clinically predicting distant metastasis in de novo lung adenocarcinoma. [PDF]

Cancer Med
Jin B, Wen X, Tian H, Guo H, Hao M, Wu J, Li X, Ren Y, Wang X, Ren X.   +9 more
europepmc   +1 more source

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Standardized Uptake Value Illuminates Tumor Inflammation and Treatment Response

Clinical Cancer Research, 2021
Abstract Maximum standardized uptake value (SUVmax) on PET imaging is prognostic in cervical cancer. It was recently demonstrated that low pretreatment SUVmax is associated with superior prognosis and is correlated with decreased inflammatory signaling and myeloid-derived cell infiltration into the tumor microenvironment, potentially ...
Casey W. Williamson, Dmitriy Zamarin, Jyoti Mayadev   +2 more
openaire   +3 more sources

Prognostic Value of the Standardized Uptake Value in Esophageal Cancer

American Journal of Roentgenology, 2005
On PET, the level of tissue glycolysis can be quantified by the accumulation of fluorine-18-fluorodeoxyglucose expressed as the standardized uptake value (SUV). The aims of this study were to investigate the relation between SUV and the stage of disease and whether SUV can be used to predict resectability and survival in patients with esophageal cancer.
van Westreenen, Henderik L, Plukker, John T M, Cobben, David C P, Verhoogt, Carolien J M, Groen, Henk, Jager, Pieter L   +5 more
openaire   +3 more sources

How High Can the Standardized Uptake Value Be?

Clinical Nuclear Medicine, 2002
Positron emission tomography using the glucose analog fluorine-18 fluorodeoxyglucose (FDG PET) provides a unique means for the in vivo noninvasive assessment of metabolism in tumors and other disorders. A high degree of increased metabolism in a lesion is often suggestive of malignancy in the appropriate clinical setting, whereas low levels of FDG ...
Hongming Zhuang, Abass Alavi, Marc Hickeson, Thomas K. Chacko   +3 more
openaire   +3 more sources

Image reconstruction, quantification and standard uptake value [PDF]

, 2000
One of the important characteristics of positron emission tomography (PET) is the ability to quantify metabolic function in vivo. To achieve this goal, radioactivity data (activity per volume) measured by PET is transformed into metabolic parameters of interest by using the simultaneously measured radioactivity in blood and an appropriate physiological
H. Herzog, Richard D. Hichwa
openaire   +1 more source