Are there any solutions for remote eye-tracking?

Since with the pandemic it doesn't look like we are going back to the lab soon, in my lab we were looking for solutions to conduct remote webcam-based eye-tracking. I've been looking at...

31 January 2021 7,315 5 View

No title

I was working on thermogravimetric analysis for some materials, however, because of the pandmy I stoped using the STA TG DTA-DSC 1600 for like 6 months, when I was able to work again with it, the...

11 October 2020 3,865 2 View

How to get node label from abaqus using python?

I have a model which includes a surface (lets call it EXAMPLE) composed by faces of several 3d elements. Using python scripting, how can I extract (to a text file) the nodes that are part of that...

22 September 2020 9,489 1 View

Which is the best approach for nucleotide substitution model-testing for phylogenetic reconstructions using RADseq data?

I am trying to infer both maximum likelihood and bayesian phylogenetic trees using RADseq reads. I have already created my sets of radtags using Ipyrad which also I used to export the consesus...

24 August 2020 7,823 8 View

Which inputs and outputs should I add on my DEA Analysis?

I'm doing research on the performance efficiency of different oil companies in the world. It has come to my attention that many scholars use DEA Analysis to measure it. However, it is not clear...

23 June 2020 3,223 9 View

Does anyone know of a software to be able to simulate UV lighting / irradiance (300-400 nm) in a given space?

My intention is to use it to calculate the number and distribution of UV lamps within a spherical dome. I need to have a homogeneous distribution and a certain UV irradiance for my experiments....

18 June 2020 1,306 1 View

Retention time variability in HPLC columns specific for PAHs analysis?

We are using a Zorbax HPLC PAHs column and we are observing a high variability in the retention time of PAHs, even in one same batch. Analysis is performed in a LC-MS/MS system, ionization source...

16 April 2020 3,444 8 View

Which environmental problems arise from landfill mining ?

Landfill mining techniques arise as one of the available alternatives to mitigate negative environmental impacts from municipal solid waste landfills. High recycling potential generation is one of...

28 March 2020 1,782 10 View

NetCDF in R and Arcmap?

Hi, I have a problem exporting Netcdf from R 3.6.3 to ArcGIS 10.6. ArcGIS does not recognize the file and eventually closes. The problem is solved only using a previous version of R 3.4.4. Does...

22 March 2020 8,086 3 View

How can I make input file for rehh package in R with scaffolds?

I am trying to look for positive selection in the genome of a non-model specie, therefore I do not have chromosomes structure, I just have scaffolds and positions of SNPs in a VCF file. I used...

11 March 2020 3,700 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View