Markov switching GARCH for moving windows?

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How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

How should we increase the quality of RNA extraction?

I’m having difficulty achieving high RNA integrity in my samples. Although the 260/280 and 260/230 ratios are satisfactory after RNA extraction, the RNA samples show signs of degradation when...

22 July 2024 155 4 View

What is the angular difference between two sets of Euler Angles?

Let's say I rotate a hexagonal crystal using Euler angles (φ1, φ2, φ3); and rotate another similar crystal using Euler angles (ψ1, ψ2, ψ3). What would be the angular difference between the final...

17 July 2024 5,582 1 View

What is the breakpoint diameter for florfenicol and oxytetracycline in the disk diffusion?

What is the breakpoint diameter for florfenicol and oxytetracycline in the disk diffusion method, indicating susceptibility or resistance to these antibiotics in the tested salmonella strain?

25 April 2024 5,168 1 View

What's the role of Carbon Black in the formation of slurry for electrochemical study and what alternative we can used in place of carbon black?

For Electrochemical study, slurry is formed to test the material in three-electrode system. Why we need Carbon black for this slurry formation and what it's alternatives?

17 March 2024 1,531 0 View

What are the fundamental differences between agar well diffusion and disc diffusion methods? Which one can provide more precise findings?

Hi everyone, When evaluating the antibacterial activity of antibacterial agents, there are two methods commonly mentioned in the research articles, which are agar well diffusion and disc...

16 March 2024 4,332 10 View

What is the best solvent to get the crude extract of plants' leaves, and at what concentration could the solvent be, generally?

Hi everyone, I need to know what solvents are commonly used, the type of solvents, their purpose, and their recommended concentrations. Any advice is welcome. Thank you.

03 March 2024 9,969 4 View

Proving that the odd natural numbers can all be expressed with a specific form is equivalent to the proof of the Collatz conjecture. Easy enough?

My new article about the Collatz conjecture proves that a simple arithmetic statement is equivalent to the proof of the Collatz conjecture. The proof of the Collatz conjecture is equivalent to...

21 February 2024 6,670 0 View

Overview of Machine Learning. What are the opportunities it brings to developers? What threats does it pose to society?

I need a referenced cites on the above

17 February 2024 7,991 2 View

Can anybody suggest a way to overcome precipitation/aggregation or loss of protein after dialysis?

Recently I purified one recombinant protein by urea based method (Ni-NTA was used for binding). Initially before dialysis I had a good concentration of protein, but after dialysis I lost my protein

29 January 2024 2,050 4 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Is it possible to use the Fused Deposition Modeling (FDM) to additively manufacture interconnected porous structure generation of >100-200 micrometer?

Usually, additive manufacturing techniques like SEBM, SLS, and SLM are used for interconnected porous lattice structure generation with sizes of >100–200 micrometers. Can the Fused Deposition...

09 August 2024 7,892 0 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

How can I apply boundary conditions in an orthotropic steel deck numerical model using ABAQUS software?

I am trying to simulate vehicular loading on an orthotopic steel deck bridge section in ABAQUS software. The red arrow mark in the attached figure indicates the direction in which the vehicle will...

08 August 2024 719 0 View

Can you suggest reliable sources defining "3D mesh" and "3D city models"?

Dear fellow researchers, I am currently working on a paper where I need to provide a reliable reference that defines and distinguishes between 3D mesh models and 3D city models. Although I am...

06 August 2024 9,986 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

"A Markov-like Model for Patient Progression"?

A Markov-like Model for Patient Progression" Markov Chain Monte Carlo (MCMC) Markov Chain Monte Carlo (MCMC) is a powerful computational technique used to draw samples from a probability...

05 August 2024 10,079 0 View

How can major oxides determined by ICP-MS/ES be normalized to 100% volatile free? How does this connect with LOI?

I am analyzing cherts from different sources found within one specific geologic formation using ICP-MS/ES. My committee was asking this question about my analysis. I was not sure how to answer this

05 August 2024 7,902 3 View

What are the shear and normal stiffness values of an LLDPE liner in 3D numerical modeling of a stockpile?

I am seeking experimental or applicable data for the liner (LLDPE) interface in FLAC3D numerical modeling of a large stockpile. Could you please recommend suitable references? The preferred data...

05 August 2024 3,665 0 View