How we can determine absorption of aggregate if we have absorption value for each fraction size?

I want to determine absorption of aggregate if we have absorption value for each fraction size, may I know which eq. is correct ?

03 April 2018 387 2 View

What is the best solvent to remove formaldehyde from the thin film?

what is the best solvent to remove formaldehyde from the thin film. I am preparing polymer as biosensor for formaldehyde, what is the best solvent to remove it?

31 December 2017 8,379 5 View

What's the proportion for the peak area of identifiable compounds based on NIST database to the total detected products used GC-MS?

06 July 2017 3,002 11 View

Which is the best simulation program for catalysis?

05 June 2016 3,704 2 View

How can I get scholarship?

05 June 2016 6,833 3 View

Any advice on Quartz XRD plate analysis?

09 October 2015 260 6 View

Why the Crystallite size of he sample will decrease ?

07 August 2015 6,013 0 View

Can anyone help me with a biodiesel reaction ?

01 February 2015 4,735 13 View

Is there any program for FTIR you give him the peak number?

01 February 2015 8,523 11 View

How can I identify the metal attached on the surface by bonding with deactivated carbon?

01 February 2015 7,420 8 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 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

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

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01 March 2021 3,905 5 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 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