How to measure the viscosity or concentration of a polymer solution?

I need a device that can detect either viscosity or concentration of a polymer solution used in mass production, which excludes many approaches appropriate only for lab experiments. If possible, I...

09 October 2019 1,706 5 View

How to remove the papers I'm not entitled to have, by mistake?

I don't know by whose fault, I was claimed one of the authors of many papers I'm not entitled to have. I don't know how to remove those papers either. For example, how on earth do I have papers...

04 May 2019 9,894 2 View

How to characterize residual monomer content in polymer blends?

After polymerization, there are always a small amount of monomers left either in the polymer matrix or other materials that are dispersed in the polymer. This is very undesirable, as residual...

09 October 2016 8,988 8 View

Did Bertand Russel indeed said that certain branches of science existed to suppress the development in certain area?

05 June 2016 4,246 1 View

Can anybody give a list of polymers that can be dissoved in liquid crystals?

I want polymers be directly dissolved in liquid crystals (no polymerization involved). Any ideas?

04 May 2016 6,709 4 View

Anybody can help me locate this article?

I'm looking for the following article: J. Fridel, P. G. de Gennes, C. R. Acad. Sci. B268, 257 (1969). I have tried several times. Can somebody at least tell me the title of this article? (If it's...

02 March 2016 913 0 View

Does compressing smectic layer multiply defects?

Compressing solid materials multiplys instead of reducing defects? How about smectic liquid crystals?

02 March 2016 7,024 2 View

What's the current view of lack of or weak higher-order x-ray diffraciton of smectic-A?

Smectic-A has a very peculiar feature in x-ray diffraction. The higher-order x-ray diffraction is either absent or very weak. This might be easy for people who have followed the progress on this....

02 March 2016 1,913 0 View

Why can the tilt angle of smectic-C not be bigger than 45 degrees?

As far as I know, the largest tilt angle achieved is about 30 degrees. Consider two rode-like neighboring molecules, with no-uniform charge distribution (of course, overall the molecules are...

01 February 2016 5,853 1 View

How to make interpenetrating polymer networks?

I'd like to make interwoven polymer networks.

01 February 2016 5,273 3 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

How can I get the coding gene sequences of Hela and U2OS cell lines? Is mRNA sequence of Hsp90 alpha tissue specific??

I am looking for hsp90 mRNA sequence in Hela and U2OS cell lines, I have tried through ncbi but always the output is hsp90 in homo sapiens not in the specific cell line. Kindly, could any one...

22 February 2021 1,853 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Difficulty in debugging code to correct error - TypeError: '<' not supported ?

I am trying with a Unet code ontained from net ...in tensorflow. When trying to predict the segmentation result with the trained and saved model with metric " iou" using "CustomObjectScope"...

22 February 2021 5,254 1 View