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RISSwimming injuries and their risk factors among. Iranian elite freestyle and butterfly swimmers
سال: 2012
خلاصه:
The purpose of the study was to find out the swimming injuries and their risk factors among
Iranian elite freestyle and butterfly swimmers. This hypothesis was tested on a group of 89
Iranian elite freestyle ...
Development of vapor generation–spectrophotometric detection system for selective determination of trace amount of sulfide in water
سال: 2010
خلاصه:
A continuous flow vapor generation system for the determination of sulfide at low levels in aqueous samples based on hydrogen sulfide prevaporation and spectrophotometric detection has been developed. In a modified ...
Silica-coated magnetic NiFe2O4 nanoparticlessupported H3PW12O40; synthesis, preparation, and application as an efficient, magnetic, green catalyst for one-pot synthesis of tetrahydrobenzo[b]pyran and pyrano[2,3-c]pyrazole derivatives
سال: 2016
خلاصه:
A powerful, magnetic, supported, acid catalyst, NiFe2O4@SiO2–H3PW12O40, was prepared by chemical support of Keggin (H3PW12O40) heteropolyacid (HPA) on silica-coated NiFe2O4 magnetic nanoparticles. XRD, TEM, SEM, VSM, and ...