How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

SAR X-Band constellation from Capella Space?

Dear all, I'd like to open here a sort of forum for understanding how the geodesists community is moving in view of the X-band SAR satellite constellation. The new constellation will offer new...

24 January 2021 6,248 0 View

Colab - how to extract NDVI time series from Sentinel-2?

Hi all, I have a collection of Sentinel-2 images and several points within it. In Google Colab, I would like to extract NDVI time series over these points through the whole collection and display...

12 January 2021 4,044 3 View

The use of Orange, a high level tookit for Machine Learning, data mining and data science for scientific research or just teaching?

Related to data mining/data science, I recently discovered Orange (https://orange.biolab.si/) a high level very powerful free toolkit. Using it is very simple and you can test different models in...

09 December 2020 8,832 4 View

How to defend against the reviewer's "not enough trials" objection (non-parametric observed power issues)?

Hi everyone, we need some help with a request from a reviewer. Here's the issue: In our study we investigated the impairment in the ability to recognize facial emotions when a facemask is present...

05 November 2020 1,238 18 View

Any difference between "hydroxy naphtol blue", and "hydroxy naphtol blue , disodium salt" for LAMP?

I am reproducing this work on LAMP (isothermal amplification) A new visually improved and sensitive loop mediated isotherm... , but I am a bit confused about the difference between "hydroxy...

31 August 2020 7,289 3 View

Estimate Enterprise Value using specific accounting (items/lines) variables in regressions?

Need help in finding the best papers related to the above question. Thank you.

30 August 2020 8,430 12 View

Effects of grammatical phrasing (2nd person singular vs. 1st person plural) on compliance to suggestions/prohibitions/prescriptions, etc?

Hi guys! I have a question on a framing effect-like issue. Well, everyone of us has the immediate feeling that there's a huge difference between saying - for instance - "you should respect the...

20 August 2020 7,859 6 View

How can particle fillers increase the elongation at break of polymers?

I am investigating some biocomposites formed by PBAT and tiny particle fillers derived from natural wastes. I have noticed that with a loading of 10%wt. of these fillers, the elongation at break...

28 July 2020 9,367 1 View

How to change features size without padding in CNN?

Hi, I'm using a 2d CNN. My input size is a square image of 20x20 pixels and my desired output has size 400x3. The most common thing I see is to introduce padding over the convolutional layers...

20 April 2020 2,947 4 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

Blast analysis of RC,UHPC slabs using material model *MAT_72R3 in LS-DYNA?

20 February 2021 5,984 3 View

Buckling analysis of a cylindrical shell in Ansys APDL?

In Ansys APDL, We are trying to validate our shell model for nonlinear buckling analysis considering the initial imperfection (as given by Ahmed et. al.) We have attached our results as attached....

13 February 2021 9,200 5 View

Do you have any suggestions for me to modify my LS-DYNA model?

Hi, I use LS-DYNA to simulate the steel composite shear wall now. I use MAT_084/085 to simulate concrete, MAT_159 to simulate steel plates, and MAT_024 to simulate studs. The concrete section...

24 January 2021 3,863 1 View

How can I get the moment on solid elements in Finite element modeling?

Unlike shell elements, solid elements have three degrees of freedom. So how can I get the values of moments after I run the model/analysis on ANSYS / ABAQUS ?

21 January 2021 258 3 View

I am trying to run a simulation on LS-Dyna and I am facing the error below with Nodal rigid constraints. Can anyone tell how to fix it?

*** Error 20393 (STR+393) Nodal rigid body ID 85000010 contains node ID 83500180 already used in a rigid body/nodal rigid body definition.

20 January 2021 2,019 1 View

What species (or genus even) of crab is this (bivalve using hermit type)?

Two weeks ago I found a peculiar crab in the intertidal zone in SW Florida. when found, the crab was not utilizing a shell. It was similar shaped to porcelain crabs found in our area, but with...

17 January 2021 1,620 4 View

What refrence values should i choose for calculating the Nusselt number and surface heat transfer cofficeint?

I executed simulation for a heat exchanger (shell and tube) . but i have a question that if i dont set the reference values and leave them as default values and as you know default temperature of...

10 January 2021 1,573 7 View

Is there any analytical model to asses impact of rigid projectile on monolithic deformable plate?

I am trying to select suitable element type (Solid or Shell) for impact analysis. I have tried with both solid and shell elements. The results are same for both element types up to certain impact...

08 January 2021 3,251 4 View