نتایج جستجو برای: solid carbide tools

تعداد نتایج: 460352  

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2002

Journal: :International Journal of Refractory Metals and Hard Materials 2021

Journal: :Journal of the Brazilian Society of Mechanical Sciences and Engineering 2006

Journal: :Molecules 2018
Konstantin S Rodygin Alexander S Bogachenkov Valentine P Ananikov

We developed a simple and efficient strategy to access N-vinyl secondary amines of various naturally occurring materials using readily available solid acetylene reagents (calcium carbide, KF, and KOH). Pyrrole, pyrazole, indoles, carbazoles, and diarylamines were successfully vinylated in good yields. Cross-linked and linear polymers were synthesized from N-vinyl carbazoles through free radical...

Journal: :Journal of the Ceramic Association, Japan 1985

Journal: :Journal of applied physics 2000
C A Grimes D Qian E C Dickey J L Allen P C Eklund

Using the laser pyrolysis method, single phase gamma'-Fe4N nanoparticles were prepared by a two step method involving preparation of nanoscale iron oxide and a subsequent gas-solid nitridation reaction. Single phase Fe3C and Fe7C3 could be prepared by laser pyrolysis from Fe(CO)5 and 3C2H4 directly. Characterization techniques such as XRD, TEM and vibrating sample magnetometer were used to meas...

Journal: :Journal of the Japan Society of Precision Engineering 1976

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