Results 11 to 20 of about 4,303,033 (308)

Improving the thermal stability of 1-3 piezoelectric composite transducers manufactured using thermally conductive polymeric fillers [PDF]

open access: yes, 2003
With a view to improving the thermal stability of ultrasonic transducers prepared using 1-3 piezoelectric composites, the use of front face layers manufactured from thermally insulating and partially thermally conductive polymeric materials has been ...
Hayward, G.   +3 more
core   +4 more sources

Thermal stability of soy-based polyurethanes

open access: yesPolímeros, 2005
New types of polyurethanes were prepared by reacting diisocyanates and formiated soy polyols with different OH functionalities. Thermal properties and degradation kinetics were investigated by TGA. All prepared PU's showed at least two-weight loss steps,
Luciane L. Monteavaro   +3 more
doaj   +1 more source

Thermal stability effect of H4[PVMo11O40]/SiO2

open access: yesScience and Technology Indonesia, 2017
Synthesis and characterization of supported polyoxometalate  H4[PVMo11O40].nH2O with SiO2 through sol-gel method have been done. The compound H4[PVMo11O40]/SiO2 was characterized through FT-IR spectrophotometer, XRD, and SEM-EDX. The results showed that
Leni Sinaga, Aldes Lesbani
doaj   +1 more source

Thermal Stability of SiBCN Films

open access: yesTribology Online, 2008
Silicon-Boron-Carbon-Nitride (SiBCN) thin films were deposited on Si (100) substrates by ECR-type ion beam sputtering at a substrate temperature of 200 ºC, and thermal stability of SiBCN films were investigated at 600 ºC, 700 ºC and 800 ...
Naohiro Hayashi   +6 more
doaj   +1 more source

Effect of Adhesive Spreading Rate on the Performance of Laminated Compressed Oil Palm Trunks

open access: yesBioResources, 2015
The large availability and cheap price of oil palm (Elaeis guineensis) trunk makes it an attractive raw material for value-added applications, but its low density and high carbohydrate content are highly undesirable.
Noor Afeefah Nordin   +6 more
doaj   +1 more source

Thermal stability of Cryptococcus albidus α-L-rhamnosidase [PDF]

open access: yesThe Ukrainian Biochemical Journal, 2015
Yeast as well as micromycetes α-L-rhamnosidases, currently, are the most promising group of enzymes. Improving of the thermal stability of the enzyme preparation are especially important studies.
O. V. Gudzenko   +2 more
doaj   +1 more source

Polymer/montmorillonite nanocomposites with improved thermal properties: Part I. Factors influencing thermal stability and mechanisms of thermal stability improvement. [PDF]

open access: yes, 2007
The results of recent research indicate that the introduction of layered silicate – montmorillonite – into polymer matrix results in increase of thermal stability of a number of polymer nanocomposites.
Pielichowski, Krzysztof   +3 more
core   +1 more source

Sharp global nonlinear stability for a fluid overlying a highly porous material [PDF]

open access: yes, 2009
The stability of convection in a two-layer system in which a layer of fluid with a temperature-dependent viscosity overlies and saturates a highly porous material is studied. Owing to the difficulties associated with incorporating the nonlinear advection
A. A. Hill   +3 more
core   +1 more source

Research Progress on the Improvement and Evaluation of the Heat Stability of Whey Protein [PDF]

open access: yesShipin Kexue
Whey protein (WP), an important protein in dairy products, is rich in amino acids and bioactive peptides, and possesses high nutritional value. However, its poor thermal stability leads to issues such as protein denaturation, precipitation, and oxidation
DONG Xuan, PANG Xiaoyang, LU Ruqing, WANG Yunna, YU Jinghua, LÜ Jiaping, ZHANG Shuwen, LI Hongjuan
doaj   +1 more source

Thermal Stability of Mg/TeO2 Priming Compositions

open access: yesMedžiagotyra, 2021
The insensitive ignitors with magnesium/tellurium dioxide (Mg/TeO2) priming composition installed on the spacecraft will experience a harsh thermal environment. Therefore, it is necessary to verify their availability at extreme temperatures. Differential
Xiang-run ZHAO   +5 more
doaj   +1 more source

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