How to convert a "Data Type = Signed Integer" file (.edf) into "Data Type = UnSigned Integer"?

I have a file containing x-rays scattering data. The file format is .edf which contain data of "Signed Integer". Its an image file. To process image i use another program which read data UnSigned...

10 November 2017 582 0 View

Which is the most suitable Rheometers to study rheology (flow, viscosity,force) used for thermosets polymer like polyurethane?

I need to use a syringe-plunger system to extrude a thermosetting polymer. Thermosets crosslink after mixing the two components and becomes solid with time spans. Due to curing and transforming...

08 September 2017 6,491 3 View

How to open and plot multiple (.dat) files in python?

08 September 2017 5,529 5 View

How to apply "Markov chain Monte Carlo# (MCMC) for parameter optimization(maximum liklyhood) in a predictive model?

I am modelling electrical conductivity using some experimental. The model fitts the data. Now, I need to do parameter optimization for variables used in the model (independent ). The model...

08 September 2017 3,271 3 View

Which is relatively more preferred quantitative tomographic technique,( BF-TEM, HRTEM or ADF-STEM)?

I need to use quantitative electron tomography technique to study and model carbon nano tubes into polymer matrix. I am completely a new user for electron microscopy technique. I came to know...

04 May 2017 166 2 View

Is there exists a software package for the reconstruction of images based on "Simultaneous Iterative Reconstruction Technique (SIRT) algorithm"?

04 May 2017 4,279 2 View

Any technique used to monitor online radiation cure in thermoset polymers?

I am looking for a suitable technique to monitor kinetics of reaction or degree of cure in crosslinked polymers. Any suggestion will be great help.

03 April 2017 7,054 3 View

Need reaction equations for DGEBA reaction with TETA and other for DGEBA reaction with Bis(4-bromophenyl) iodonium triflate ?

03 April 2017 4,456 2 View

What are thermal initiators to cure (polymerize) PDMS?

01 February 2017 3,557 0 View

What kind of UV sources (ratings e.g wavelength, power etc)used to cured PDMS (Silicon resins)?

I am looking for appropriate UV sources (ratings e.g wavelength, power etc)used to cured PDMS elastomer(Silicon resins)?I found a common UV source sell in market with wavelength 410nm and...

31 December 2016 9,724 3 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 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

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 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

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View