From where i can get open source Historical solar power generation data?

For prediction solar energy i need solar power generation data.

21 May 2020 8,609 4 View

How to get real and imaginary permittivity in output versus frequencies in COMSOL Multiphysics?

Dear Researchers, I am working on the electrical (dielectric) properties of epoxy-based nanocomposites using COMSOL Multiphysics. I have stuck at some point the software. I want to see real and...

20 May 2020 1,134 3 View

What are the books related to machine learning using python programming for beginners?

I am new to python programming and machine learning. Are there any books that give good practice of programming using python? Also do suggest books for machine learning.

06 August 2019 577 5 View

Where to obtain uniaxial,biaxial and shear test data for polyurethane for hyperelastic models in ANSYS ?

I want to analyse a component made from Polyurethane. The uniaxial and biaxial test data are required for the curve fitting of the stress strain curves of any hyperelastic model. Where can I find...

22 March 2018 780 3 View

Does anyone know if there are some companies providing good 12-welled polypropylene plates?

I need to test certain growth conditions and enzymatic activities.

27 February 2018 1,770 1 View

How to get good sections of rat heart in cryostat without tissue falling off?

I wash rat heart (left ventricle) 2 times with PBS over an ice bath, dry it with paper towels and then embed it in OCT over cooling bath. Lately, while sectioning in cryostat tissue is falling...

23 May 2017 994 6 View

How do I Detect and Quantify the amount of Pesticides, Fungicides and Chemicals present in food and water samples?

There are a host of Chemicals and Pesticides sprayed on Fruits and Vegetables. After washing with different formulations, I want to detect the percentage of Pesticides, that I am able to remove.

28 July 2016 3,853 2 View

Pore size of material0.25x0.33 and 0.24x0.35nm, the kinetic diameter of CO2 is 0.33 nm. Way for CO2 ads. is only low pressure... Any explanations?

Pore size of material0.25x0.33 and 0.24x0.35nm, the kinetic diameter of CO2 is 0.33 nm. Only Way for CO2 ads. is only low pressure... Any explanations??

19 April 2016 1,016 3 View

Can anyone help me designing ulta Semiconductor Devices?

Suggest me which types EDA Tools I can use to simulate and designing the Semiconductor Device

15 June 2015 8,678 5 View

Can the particle size of iron oxide nanoparticles be predicted theoretically using Mie Theory?

I have synthesized nanoparticles using Factorial Experiments and plan on taking their spectra using UV-Visible spectroscopy. Can anyone please let me know the procedure/steps involved in the...

29 March 2014 5,760 1 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View