How can I produce these kinds of 3D photos for showing porous materials?

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Is there any graph to determine the membrane pore size based on its BSA rejection percent?

Dear researchers, It is clear that BSA protein is the most common solute for membrane performance examination. However, there is no reference to check the MWCO of the membranes based on BSA...

29 April 2020 6,148 3 View

Can DMAc, NMP, DMF, TEP, DMSO, Formamide, Acetone, as organic solvents, dissolve a few drops of an oil?

Dear researchers, The mentioned solvents are organic solvents and it is thought that they can dissolve the oils. If they are not capable to do this, what is the reason? Regards DMAc:...

25 February 2020 140 2 View

EEG connectivity calculation via HERMES toolbox ?

Hello everyone I am currently trying to calculate phase lock value for my EEG data with the help of the HERMES toolbox in Matlab. I have a total of 48 subjects with different channel location...

04 January 2020 5,220 1 View

How can we calculate the amount of residual non-solvent (pore-former) additives in the membranes?

Dear researcher, We all use the non-solvent additives to improve the structure and performance of the polymeric membranes. However, the non-solvent additives can be easily washed out quickly with...

29 December 2019 5,366 1 View

What is the software that is used for adjusting and labeling the images for journal articles?

Dear researchers, I want to put my SEM photos together to have a picture like the attached photos for my article. Could you please guide me what is the software that I can use? Regards

16 December 2019 4,165 12 View

Which laboratories or institutes in Iran are able to determine estrogen hormone concentrations?

Dear researchers, I want to determine the estrogen hormone concentration in water. Where is the special laboratory to do this in Iran? Could you please guide me? Best regards

11 December 2019 2,829 2 View

What are these white bubbles on the surface of the SEM micrographs?

Dear researchers, There are some white bubbles on the surface of the SEM micrographs. What are these particles? Kind regards Foroogh

25 November 2019 5,365 3 View

How to make the brittle polymeric membranes more flexible and soft?

It is reported that PES/DMSO membranes are too brittle. Is there any method or additive to make them more flexible? Regards

18 October 2019 1,576 6 View

Can you introduce an accessible and inexpensive natural surfactant?

Dear researchers, The surfactants are extracted from the nature are more useful. Can any one introduce an available cheap (herbal) surfactant to produce water/oil emulsion? Thank you so much....

08 March 2019 4,539 7 View

Has anyone installed the Amira Avizo software?

Dear Researchers, I need a 3D photo of a porous material such as attached one only to show the porosity, not for analyzing porous materials. Can any one help me? Regards Foroogh

19 October 2018 7,403 6 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

SDS page software for analysis?

I did sds page to determine the difference in protein expression between 3 types of vaccine , but i don't have scanner or densitometer available. . so i wonder if there is a software to analyze...

02 March 2021 6,270 3 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 Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View