Results 1 to 10 of about 35,968 (203)

The Radio Properties of Composite LINER/HII Galaxies [PDF]

The Astrophysical Journal Supplement Series, 2002
Arcsec-resolution VLA observations -- newly obtained as well as published -- of 40 nearby galaxies are discussed, completing a study of the radio properties of a magnitude-limited sample of nearby galaxies of the composite LINER/HII type.
Brosch N., Clark B. G., Downes A. J. B., Dumke M., Feretti L., Garcia-Barreto J. A., Gioia I. M., Harnett J. I., Heckman T. M., Hummel E., Hummel E., Hummel E., Hummel E., Hummel E., Klein U., Klein U., Kotanyi C. G., Luis C. Ho, Mercedes E. Filho, Niklas S., Peter D. Barthel, Richstone D., Sadler E. M., Saikia D. J., Tarchi A., Urbanik M., van der Kruit P. C., van der Kruit P. C., van der Kruit P. C., Veron-Cetty M.-P., Vila M. B., Wunderlich E.   +31 more
core   +9 more sources

Mechanical performance and life cycle assessment of a Persian gum-waste carpet fiber soil composite for landfill bottom liners [PDF]

Scientific Reports
This study investigates a Persian gum-waste carpet fiber (PG-WCF) composite as a stabilizer for silty soil intended for landfill liner applications and compares its performance with the soil stabilized using ordinary Portland cement (OPC) and lime.
Masoud Mohseninia, Mehrdad Ghahremani, Seyed Mohammad Fattahi   +2 more
doaj   +2 more sources

Effects of a Universal Adhesive System and the Snow-Plow Technique on Microleakage of Class II Composite Restorations in Primary Molars [PDF]

Frontiers in Dentistry
Objectives: This study evaluated the effects of using a universal adhesive and application of a flowable composite by the snow-plow technique on microleakage of Class II composite restorations in primary molars.
Mahshid Gifani, Mahsa Talafi Noghani, Alireza Sarraf Shirazi, Alireza Boruziniat   +3 more
doaj   +2 more sources

Class-I and Class-II Restorations with the Application of a Flowable Composite as an Intermediate Layer—A Narrative Review of Clinical Trials [PDF]

Journal of Functional Biomaterials
The objective of this review is to investigate the effect of an additional layer of flowable composite for cavity lining on the clinical outcome of direct posterior composite restorations. The PICO question (patient, intervention, comparison, and outcome)
Anh Duc Nguyen, Kerstin Bitter, Christian Ralf Gernhardt   +2 more
doaj   +2 more sources

Research on the destroy characteristics of PTFE/Cu composite liner to explosive reactive armor [PDF]

Heliyon
The jet generated through PTFE based inert material liner has the characteristics of low energy, low density, and large aspect ratio, which can effectively achieve the “penetration without explosion” of explosive reactive armor.
Jianya Yi, Ruijie Hao, Xuezhi Tang, Siman Guan, Zhijun Wang, Jianping Yin   +5 more
doaj   +2 more sources

Comparative measurement of short-term fluoride release and inhibition of caries around restoration by ion releasing restorative materials: an in vitro study [PDF]

Scientific Reports
The main objective of the current study is to compare short-term fluoride release of three ion releasing restorative materials and assess their inhibitory effect on secondary caries.
Eman T. El-Adl, Maha M. Ebaya, El-Sayed E. Habib, Nadia M. Zaghloul   +3 more
doaj   +2 more sources

Wear and Friction Behavior of Plasma Sprayed NiCrMo-NiCrBSi Alloy Anti-Friction Coatings [PDF]

Cailiao Baohu, 2023
When the internal combustion engine is working， the friction between the piston ring and the cylinder liner will cause energy loss and wear damage to the cylinder block.Aiming at the problem of friction and wear of cylinder liner and piston ring， a ...
DONG Xinyuan, DENG Jianji, LUO Xiaotao, LI Changjiu
doaj   +1 more source

Finite Element Analysis of Liquefied Ammonia Tank for Mobility Vehicles Employing Polymers and Composites

Energies, 2020
Hydrogen has attracted global attention as a clean secondary energy source and has numerous possible applications, including fuel for vehicles. To store the hydrogen effectively, ammonia is considered promising due to high hydrogen density, stability ...
Alvin Reynaldo, Hari Sidik Pramono, Sigit Puji Santosa, Muhammad Aziz   +3 more
doaj   +1 more source

Analysis on Design and Development of Surface Texture of Piston-Cylinder Liner System [PDF]

Cailiao Baohu, 2023
Surface texture technology as a kind of effective anti-friction and anti-wear method has been widely applied to improve the pistoncylinder liner system in the study of tribology performance of friction pair， but the piston -cylinder liner system surface ...
LUO Hai, CHEN Wengang, CHENG Jiahao, WEI Beichao, GUO Siliang
doaj   +1 more source

Evaluation of Gingival Microleakage in Deep Class II Closed Sandwich Composite Restoration: An In vitro Study [PDF]

Journal of Clinical and Diagnostic Research, 2018
Introduction: Microleakage is a major problem beneath deep Class II composite restorations where little or no enamel remains. One technique to overcome this problem is sandwich restoration in which an intermediate liner is sandwiched between tooth and ...
Jewel Darsan, Veena S Pai, Vedavathi Bore Gowda, GR Krishnakumar, Roopa R Nadig   +4 more
doaj   +1 more source