Maryam Mehrban

6 Questions 5 Answers 0 Followers

Questions related from Maryam Mehrban

What is the reason behind the use of negative sign with the Shielding effectiveness (SE)?

I want to know about the logical difference between the positive and negative values of SE. Needs suggestions

03 February 2021 8,108 0 View

How to calculate the available bandwidth of the EMI shield?

I am working on EMI shielding polymer composite.How would i interpret the reflection loss (why taken negative) and then calculate the available band width for the individual component? Needs...

06 March 2020 722 2 View

What are the standard parameter should i kept in mind while writing up for FTIR results?

I have prepare polymer composite by using insitu polymerization. I have obtained the raw data for FTIR spectroscopy. Now, I am bit confuse how should i interpret it?

18 February 2020 2,458 7 View

What are the causes behind the unsettling of IONP's after centrifugation?

I am preparing IONPs by chemical co-precipitation method using Ammonium Hydroxide by keeping molar-ratio of about 1:1.9 b/w ferrous and ferric. the precipitate formed are blackish brown. for...

07 August 2019 3,307 1 View

Can we replace Ammonium per sulfate (APS) with ammonium sulfate?

I am preparing Polymer nano-composite for EMI shielding application.while, preparing the nano-composite I have to use APS for initiation of chemical reaction. Should I replace APS with AP? needs...

17 July 2019 8,976 5 View

Can anyone tell me which method is best of the preparation of polymer nanocomposite?

I want to prepare polymer nanocomposite.Let say if I choose polymerization process or blend mixing method.Then would both process have. Same temperature conditions during synthesis or they depend...

09 December 2018 6,317 15 View