نتایج جستجو برای: hyrogen bonding

تعداد نتایج: 43815  

Journal: :international journal of preventive medicine 0
maryam hajenoruzali tehrani neda birjandi ehsan nasr mina shahtusi

background: marginal seal has a principal role in durability and clinical success offissure sealants. the aim of this study was to compare the microleakage of two materials used as pit and fissure sealant with different methods of application. methods: the 55 extracted premolars were assigned randomly to one ofthe following five groups: group 1: acid-etching (ultra-etch) + fissure sealant (conv...

Journal: :Annual Review of Physical Chemistry 1978

Journal: :Journal of the Japan Society for Aeronautical and Space Sciences 1973

Journal: :Journal of the Franklin Institute 1898

Journal: :Crystal Growth & Design 2017

Journal: :ProCare 2011

ژورنال: مواد پرانرژی 2020

Solid propellant systems are basically two types: case bonded and cartridge. Liner, a polymeric glue, is responsible for bonding propellant to casing in case bonded ones. Therefore, it must have sufficient mechanical and adhesive strength. The type and amount of each component of polymeric composition plays an important role in liner strength. In this research, effect of chain extender content ...

Journal: :SAGE Open 2014

Journal: :THE REVIEW OF HIGH PRESSURE SCIENCE AND TECHNOLOGY 1995

Journal: :Journal of SHM 1993

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