20 December 2021 3 6K Report

How to measure moisture diffusion coefficient for plastic materials?

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Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

How are Large Models Exploring and Outputting Knowledge Understanding in Specific Content Areas, and What Does Academic Research Say About It?

Hello everyone！ I am currently exploring the performance of large models in understanding knowledge in specific domains, and attempting to construct a knowledge framework similar to what...

05 August 2024 5,729 2 View

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity?

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...

03 August 2024 5,358 0 View

How do i get an account to upload my published papers?

need to open an account to upload my published papers

01 August 2024 9,255 1 View

What is the problem with these tissue culture plants?

All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.

01 August 2024 589 4 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,227 1 View

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...

30 July 2024 9,824 2 View

Which statistical test should we use?

N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.

30 July 2024 7,233 4 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View

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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...

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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...

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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...

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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...

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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

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