Ellipsometry Analysis, MSE (mean square error) in Modelling, what is the maximum acceptable value of MSE?

Dear Friends and Prof, I have confused with MSE and mean deviation in Ellipsometer data fitting or modeling. is it MSE and mean deviation is same? what is the maximum values of those, for an...

31 December 2016 7,292 6 View

CTMA-DNA complex -- How to dissolve in low polar solvent (Hexane, Chloroform) ?

Hello Peers and Prof here, I would like to know any reference or suggestions regarding the title. our CTMA-DNA complex could dissolve in high polar organic solvents such as butonal or methonal etc...

04 May 2016 3,956 3 View

How to Calculate the number of nanoparticle in the solution/solid state?

Dear Prof and Friends, I would like to know the calculation of number of particles present in the solution/solid. I think, concentration could be determined from Absorption measurements also...

03 April 2015 8,039 1 View

"Excitation spectrum" of Quantum dot/semiconductor nanocrystals - can anyone help?

07 August 2014 7,249 5 View

FDTD or COMSOL?

Which is good and user friendly for photonic/optical simulation among these two? explain me the distinctive features. Thanks in advance^^

05 June 2014 7,893 2 View

Any interesting, recent research area in Energy material?

Hello everyone, I am new here and going to start my PhD work in energy materials. Could you suggest some interesting area in bound to PhD limit? such as meta-material, electro-active material so...

02 March 2013 7,165 5 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How can I publish a manuscript in free or low cost journal with good H-Index?

Dear all I am going to publish my manuscript which is from my thesis in a good H-Index journal but I found them very expensive(I don't have financial support) based on the exchange currency of my...

28 February 2021 7,800 6 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View