Results 11 to 20 of about 19,331,121 (349)

Prediction of Mechanical Properties of Artificially Weathered Wood by Color Change and Machine Learning

open access: yesMaterials, 2021
Color parameters were used in this study to develop a machine learning model for predicting the mechanical properties of artificially weathered fir, alder, oak, and poplar wood.
Vahid Nasir   +5 more
semanticscholar   +1 more source

The effect of prophylaxis paste and air-powder polishing on color stability and surface roughness of different composite resins

open access: yesJournal of Oral Research and Review, 2023
Aim: This study examined the impact of periodontal prophylaxis paste and air-powder treatment on nano- and microhybrid composite resin surface roughness and color change.
Turan Emre Kuzu, Ozcan Karatas
doaj   +1 more source

Impact of Processing and Physicochemical Parameter on Hibiscus sabdariffa Calyxes Biomolecules and Antioxidant Activity: From Powder Production to Reconstitution

open access: yesFoods, 2023
Hibiscus sabdariffa is a tropical plant with red calyxes whose anthocyanins, phenols, and antioxidant activity make it attractive to consumers both from a nutritional and medicinal standpoint.
Cho Urielle M’be   +4 more
doaj   +1 more source

Effect of Dry Pressure Heat Curing Technique on Water Sorption and Color of Heat Cured Acrylic Resin [PDF]

open access: yesAl-Rafidain Dental Journal, 2014
Aims: The purpose of this study was to evaluate the effect of dry pressure curing technique after immersion in distilled water for 1 ,4 and 12 weeks on the water sorption, solubility, and color change of heat cured acrylic resin as compared with ...
Omar Z. AL-Tahho
doaj   +1 more source

Experimental Study of the Effect of Ultrasound on the Freezing Process of Bo Chinh Ginseng

open access: yesApplied Sciences, 2022
The main purpose of this study was to select the appropriate ultrasound parameters that support the freezing process of Bo Chinh ginseng. This process involves placing Bo Chinh ginseng in an open-air environment and ensuring that the transducer does not ...
Minh-Hieu Ngo   +4 more
doaj   +1 more source

Multi-Color Luminescence Transition of Upconversion Nanocrystals via Crystal Phase Control with SiO2 for High Temperature Thermal Labels [PDF]

open access: yes, 2020
Upconversion nanocrystals (UCNs)-embedded microarchitectures with luminescence color transition capability and enhanced luminescence intensity under extreme conditions are suitable for developing a robust labeling system in a high-temperature thermal ...
Baek, Dahye   +8 more
core   +1 more source

Metabolome analysis reveals flavonoid changes during the leaf color transition in Populus × euramericana ‘Zhonghuahongye’

open access: yesFrontiers in Plant Science, 2023
IntroductionTo investigate the mechanism of leaf color change at different stages in Populus × euramericana ‘Zhonghuahongye’ (‘Zhonghong’ poplar).MethodsLeaf color phenotypes were determined and a metabolomic analysis was performed on leaves at three ...
Mengjiao Chen   +7 more
doaj   +1 more source

Bio-inspired Chameleon's Color Change in Building’s Skin: Materials and Technologies Review [PDF]

open access: yesPort Said Engineering Research Journal, 2021
Each organism has its unique and specific characteristics that have a great impact on the survival and adaptation processes. One of the most amazing and remarkable characteristics in some organisms such as crustaceans, cephalopods and some insects is the
Yasmin Eid   +3 more
doaj   +1 more source

A snake of a different color: physiological color change in Arizona black rattlesnakes [PDF]

open access: yes, 2011
Coloration may serve a variety of behavioral (e.g., crypsis, communication) and physiological (e.g., thermoregulation, protection) functions for terrestrial ectotherms. However, optimal coloration for a given function may vary over environments (spatial
Jeffrey J. Smith, Melissa Amarello
core   +2 more sources

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