نتایج جستجو برای: vis

تعداد نتایج: 22956  

Journal: :IEEE Transactions on Visualization and Computer Graphics 2023

Journal: :IEEE Transactions on Visualization and Computer Graphics 2021

Journal: :IEEE Transactions on Visualization and Computer Graphics 2022

Journal: :physical chemistry research 2015
habib ashassi-sorkhabi babak rezaei-moghadam robabeh bagheri leila abdoli elnaz asghari

the present study concentrates on the synthesis of au nanoparticles (aunps) using aqueous solution of polyvinylpyrrolidone (pvp) and tetrachloroaurate by different methods as thermal, sonochemical and electrochemical reduction. the pvp has been used as a reducing agent and acts as a stabilizer for au nano particles that obtained as principal product. in all synthesis procedures, the active radi...

Journal: :organic chemistry research 2015
hossein eshghi mohammad rahimizadeh nazanin noroozi-shad hossein sabet-sarvestania

a novel podand based anion receptor bearing benzimidazole motifs as recognition sites was designed and synthesized by reaction of 1,7-bis(2'-methylbenzoate)-1,4,7-trioxaheptane and phenylenediamine. the binding properties of anionic guest with this receptor were studied using uv-vis and fluorescence spectroscopy. these studies revealed that this receptor exhibit selective recognition towards f- ...

Journal: :international journal of nanoscience and nanotechnology 2011
m. e. khosroshahi l. ghazanfari

the main objective of this research was to synthesize and characterize gold-coated fe3o4 /sio2 nanoshells for clinical applications. magnetite nanoparticles (nps) were prepared via co-precipitation. the results showed that smaller particles can be synthesized by decreasing the naoh concentration, which in our case this corresponded to 35 nm by using 0.9 m of naoh at 750 rpm. the nps were then m...

2017
Wenjun Qu Jun Wang Shanhong Gao Tongwen Wu

Effect of the strengthened western Pacific subtropical high on summer visibility decrease over eastern China since 1973" (2013). [1] Daily visibility (Vis) data from 354 meteorological stations are used to evaluate the seasonal Vis trends over China from 1973 to 2009, which show that Vis decline is most distinct over eastern China in summer, with a trend of À1.4 km per decade or À34% in the 37 ...

2014

There are specifi c benefi ts to using a UV-Vis spectrophotometer with diode array detector technology compared to those offered when using traditional scanning UV-Vis instruments. Within the molecular spectroscopy group, Agilent is able to offer both types of UV-Vis instruments. The Agilent Cary 60 UV-Vis, based on Xenon fl ash lamp technology, is the ideal scanning instrument for many routine...

Journal: :International Journal of Research in Ayurveda and Pharmacy 2020

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