I've yield stress and strain hardening data. how to get plastic strain from that so that I can use it in abaqus plasticity model?

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Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Conjugation of PEG-Amine to an Amino Acid Using EDC?

I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...

31 July 2024 2,033 1 View

If the emission of all greenhouse gases is stopped now, will the temperature of the earth continue to rise?

Here's a serious question: If we were to stop emitting all greenhouse gases right now, would the Earth's temperature start to cool down, or would the existing greenhouse gases continue to warm the...

30 July 2024 5,123 4 View

Does soybean seed coat or cotyledon contain chlorophyl or flavonoids? What types? determined by paper chromatography? other methods (high school lab)?

Am trying to develop a lesson/lab to determine and compare antioxidant properties of soybeans of various colors. Preference would be low tech and low cost. Any assistance is greatly appreciated.

25 July 2024 7,498 2 View

Does post-translational protein modification cause devisions on observed pI verses calculated pI?

In running two-dimensional gel electrophoresis on bacterial protein, some spots that appear to match a protein sequence have a significantly more acidic isoelectric point than the calculated pI....

24 July 2024 8,076 3 View

Wrong out put for gmx x2top?

Dear users, I would like to simulate a zeolite structure in gromacs. I got the .cif file from IZA expanded in one direction in Materials Studio and exported a .pdb file. However, when I want to...

24 July 2024 367 4 View

Is there a good macro photography kit for on-site metallurgical investigation?

I am looking to purchase a photography kit for onsite metallurgical investigations, such as capturing photos of worn areas, hot tears, cold tears etc. Could anyone suggest me a good...

22 July 2024 3,490 2 View

How I can add anew research in my account ?

Their is new research published in the biological control journal, and I am one of the authors. I want to add it to my account at researchgare. How can I do this?

21 July 2024 7,545 0 View

The measurement of cellular uptake of nanoparticles?

What protocol can be used to measure the cellular uptake of a nanoparticle? Is there a way to get more of a non-targeted nanoparticle into the cell? Why a fluorescent nanoparticle does not enter...

18 July 2024 7,153 2 View

Please explain how the plastic input value should be considered from the true stress-strain curve for the bilinear elastoplastic material model ?

I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...

05 August 2024 454 3 View

Water Consumption in Plastic Recycling: Is it Higher Than for Virgin Plastics?

Hello, dear colleagues, I would like your help in finding a reference that provides an average water savings due to plastic recycling compared to the consumption of virgin materials, preferably...

29 July 2024 4,630 0 View

Interpreting ATR-FTIR Spectra for Microplastics Research?

Hello everyone, I am currently pursuing a PhD in Environmental Engineering with a focus on microplastic studies. My background is in Civil Engineering, and I am relatively new to working with...

18 July 2024 7,258 3 View

Why am I seeing only one initial maximum in torque-time curves for the fusion of PVC in a Brabender?

We're studying the stability and fusion behavior of multiple PVC compounds in a Brabender. After a few trials, we set the temperature at 195 °C and the rotor speed at 70 rpm. Samples differ in...

12 July 2024 2,768 1 View

What are possible reasons for having the repeated wavy patter in Raman spectrum?

I'm currently analyzing the Raman spectra of coloured plastic samples and have encountered a wavy, oscillating pattern in the spectra of some coloured samples. I was wondering what the possible...

04 July 2024 1,949 4 View

How can Abaqus CAE be utilized to assess the variation in wall thickness throughout a plastic bottle following a blow molding simulation?

Hello ResearchGate Community, How can Abaqus CAE be utilized to assess the variation in wall thickness throughout a plastic bottle following a blow molding simulation?

26 June 2024 9,281 4 View

How to overcome the stickiness of smaller molecules/peptides to the plastic/PetriDish?

Use of excess amount of BSA is already tested but has not helped us. Addition of 0.01% Tween did not help us either.

17 June 2024 5,520 1 View

What are the parameters for simulating plastic deformation cracks in concrete using the CDP model?

Dear professors and colleagues， hello！Recently, while studying the CDP model, I have read the manuscripts of various experts and have gained a lot, but I still have some questions.What I...

10 June 2024 1,906 1 View

How to model a epoxy matrix in the event of low velocity impact (LVI) simulation in abaqus?

I am trying to validate the experimental results of low velocity impact on 8mm thick epoxy matrix specimens. The specimens are pretty flexible and recover every deformation occurred from the...

03 June 2024 4,913 4 View

Best way to calculate temperature between a sheet of plastic and and absorber as a function of solar radiation intensity (watts/meter^2)?

I am studying polyethylene heat absorbing systems. For example, modeling heat exchanges in a solar air heater and temperatures for melting polyethylene.

01 June 2024 9,379 7 View