Is any simulation tools available for general relativity physics like Double Negative Gravitational Renderer (DNGR)?

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Why displacements of pixels are sampled from Gaussian distribution in elastic deformation data augmentation?

Hello, A data augmentation technique called ''elastic deformation'' is used in the U-Net paper to help the network learn invariance to deformations, without the need to see these transformations...

12 August 2022 6,910 1 View

What is the best column temperature program to analyze BTEX concentration in dichloromethane extractant using GC-FID method with hydrogen carrier gas?

I tried the temperature program below to draw my calibration curve using splitless injection but the peaks I got were so small and broad in the concentration range of 5 to 50 ppm. I was wondering...

19 November 2020 4,724 3 View

What can be the reason for increase in spectrophotometer absorbance for the same solution with the same pollutant concentration?

I am using a UNICO SQ-2800 single beam spectrophotometer and a quartz cuvette. before, I had measured the absorbance of a 10 ppm methylene blue solution (DI water solution) at its peak wavelength...

09 July 2020 5,155 6 View

Does anyone know if there is a reliable method to determine oil concentration (crude oil to be precise) using a UV-Vis spectrophotometer?

happy new year fellow researchers, I'm working on treating synthetic oily wastewater made from mixing distilled water, crude oil and surfactant.

31 December 2019 6,611 3 View

Is disk fusion test a good way of evaluate for peptides and enzymes?

the peptide which i have tested is about 100aa(hepsidin+ hydrophobin) and i haven't seen any inhibition zone, can it difuse through the muller hinton agar?

10 December 2018 7,718 2 View

What is the aim for evaluating Antioxidative activity/ Oxidative stress resistance of lactobacillus strains in related trials?

I am wondering the necessity for this evaluation in different probiotic trials. I appreciate any colleagues who could help me with this question.

01 December 2018 2,820 14 View

How should keep my Forest plot from reflecting my continuity correction in event/total?

Stata would faile to conduct metan, until I changed my 0 mortalities in Excel to 0.5 as a continuity correction, and exported the sheet to Stata. What can I do to prevent this to be shown in the...

19 November 2018 6,775 2 View

I want to do MIC and MBC test on streptococcus mutans, i have muller hinton,and BHI medium, is there any way that i can do this with out using blood?

I want to do MIC and MBC test on streptococcus mutans, i have muller Hinton ,and BHI medium, is there any way that i can do this with out using blood? the problem is I cant find blood in my...

09 November 2018 6,851 7 View

What command for Mean difference in meta-analysis?

I appreciate if anyone can tell me that how should I set the Stata syntax for having the pooled mean differences (in metan or db metan). Thank you.

20 July 2018 8,831 2 View

What are the application of partition of unity?

I would like to collect the applications of partition of unity theorem in math, for example manifold, topology, fixed point theory, differential forms, differential geometry, vector analysis,...

21 March 2018 5,514 14 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

Stability of the Solar System: Insights from Einstein’s Equations ?

The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...

07 August 2024 2,569 1 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

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

Is it necessary to covary exogenous constructs in a structural model?

I am working on a SEM model where i have 7 latent variables (6 exogenous and 1 endogenous). In AMOS when I co-vary the exogenous constructs, only 2 paths are coming significant out of 6. But when...

03 August 2024 6,028 4 View