Technical site help needed: I need to change my log-in email address and can't get to the HELP section?

My old log in email, [email protected], was compromised and I need to change it to [email protected], so I can change my password, update publications, etc.

24 December 2020 6,939 3 View

Which Universities are virtual?

Many Universities have employees located across the world.

22 December 2020 6,380 3 View

How do I test for multicollinearity among Independent variables in binary logistic regression using R?

Please, I am trying to do a project work using logistic regression. I need to test for multicollinearity for the independent variables using R. I installed mctest and multiColl package already....

18 December 2020 2,531 3 View

How to avoid getting organic particles to charr(become black) during calcination?

I am trying to synthesize SrHfO3:Eu2+ nanoparticles. To reduce from Eu3+ to Eu2+, we calcinate it under Ar/H2 conditions but it ends giving a black coloured product. We need this for luminescence...

22 August 2020 448 3 View

How does one collect data from a population that was once together on a university campus but is now dispersed due to the Covid-19 lockdowns??

If a researcher is more than half way through a research project, and now needs to collect data by recording the responses of participants to a read aloud test; How can such a researcher collect...

03 August 2020 6,771 5 View

How can we calculate polystyrene nanoparticles concentration in a solution?

I wonder how to measure the concentration of polystyrene nanoparticles (50nm) in a solution. Our nanoparticles are not fluorescents. Thanks

28 October 2019 2,353 4 View

I need some information on the method of manufacturing dry extract?

i need some information on the method of manufacturing dry extract?

06 February 2018 5,565 2 View

How can I export my publications as a Bib TeX file

I want to post my publications on ORCID and I can't see how to save them as a Bib TeX file in order to export them, as the instructions on ORCID say.

29 June 2017 6,242 2 View

Is it possible to cut a band from an agarose gel and purify it for subsequently creating a stock solution for qPCR?

09 May 2017 3,459 2 View

How is hydrogen produced and stored using electrolysis powered by solar panels?

Please how do I model a cost efficient system that produces hydrogen using electrolysis that is powered by solar panels. Also how do I store the hydrogen after production

23 January 2017 1,467 2 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Can I use a graph from a another source in a thesis?

I have a permission from X company to use their graph from a report, but they have a reference in the bottom left corner of the graph as follows: "Source: Database Y". Is it OK to use this graph...

24 February 2021 2,269 3 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

Could you please suggest to me research in which a relation between the shear wave velocity and the degree of saturation for stone was discussed?

Hi all, I am looking for a graph or a relation that relates the degree of saturation and the shear wave velocity for the marlstone. Looking forward to your suggestions Best Regards

24 February 2021 9,690 1 View

Algorithms to filter corrective max and min from a set of data?

I've got this 5 year Direct Normal Irradiance data I downloaded from https://re.jrc.ec.europa.eu/. I ordered this by year and by every 24 hours because I need the DNI curve by max in summer, min...

17 February 2021 2,777 5 View

There is any numerical criterion for identifying neighbours for Voronoi /Gabriel graphs?

If there is a set of n points in a plan (with known x, y coordinates), can I use a numerical criterion to establish if two points are neighbours, given the definition of a neighbour for Voronoi...

17 February 2021 6,914 4 View

Can anyone name this graph type?

I've attached a recreation of this graph type that I need to make for study reports. The clients have sent them to us in the past, but I am trying to make the reporting process more streamlined,...

15 February 2021 9,795 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