What is the general cyclic energy degradation factor for plain concrete at material level in stress strain curve?

Plain Concrete subjected to cyclic loading get reduction in its stiffness and strength with the every cycle of loading. What is ratio of energy enclosed in one hysteresis loop to adjacent...

10 February 2021 1,051 1 View

The Akaike information criterion of the random forest model ?

Please, how to calculate the number of model parameters of the random forest model to determine the Akaike Information Criterion (AIC) using this following expression: AIC = n * log(MSE) + 2 *...

27 January 2021 816 6 View

Suggest me some satellite image datasets used for crop yield estimation?

I have my synopsis presentation and i have to provide details about 2-3 datasets that I can use in my research. Topic is crops Yield estimation using satellite images. suggest me what I can write?...

13 January 2021 1,675 3 View

What is the reason of suddenly increasing the concentration while evaluating the photocatalytic performance by RhB dye degradation?

I am doing a photocatalytic performance evaluation by RhB dye degradation. I am facing a problem which is: After achieving the absorption -desorption equilibrium, I checked the concentration and...

04 December 2020 3,922 20 View

Edu assay by spectrophotometry means?

Dear all, Have any one performed edu assay by spectrophotometric means ? I'm looking for a kit for that purpose. I have Chinese kit for this purpose, I followed their protocol but the result is...

24 November 2020 1,766 3 View

Either SEM analysis are enough to justify the morphology and micro structure of activated carbons? or I should go for TEM analysis as well?

While I was discussing my nitrogen adsorption isotherms in the context of micropore, mesopores, total pore volume for activated carbon samples prepared from waste materials, I received a review...

13 November 2020 1,971 3 View

How can we measure dissimilarities between two images layout? Like alignment of button, text box, text overlapping?

I want to extract dissimilarity information of two images layout. Wanna check text, button, and text box alignment, text overlapping, and more other layouts difference. how we do that? any tool,...

25 October 2020 7,190 7 View

Any suggestions of bioinformatic tools to identify/predict the effect of mutations observed on the function of proteins?

04 October 2020 1,552 4 View

Is there a website specialized in online speech data collection?

Collecting acoustic data during the pandemic faced me with a challenge that I need to overcome. I have to upload some audio files and scripts, and the subjects are required to answer the questions...

22 September 2020 4,168 6 View

How to Determine LD50 of a test compound by Lorke's Method if your mice (mus musculus) dies at the lowest concetration i.e. 10mg/kg?

I have used Lorke's method of determining LD50 of my test drug. The lowest dose according to this method is 10mg/kg and my mice died at this dose within the 30 minutes of IP injection. Does that...

22 September 2020 9,959 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

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

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View