RAI index - FAQS.TIPS

More Nasrin Salehnia's questions See All

Is it possible to simulate a environment of energy system combine with Solar, wind and traditional energy sources. Please suggest me some sof. too?

Is it possible to simulate a environment of energy system combine with Solar, wind and traditional energy sources. Please suggest me some software too. Even the energy conversation, efficiency...

04 December 2020 1,088 13 View

TEO - CB - Auto - Env MATLAB code ?

Does anyone have MATLAB code about TEO - CB - Auto - Env for extract the tiger energy operator feature?

15 November 2020 3,808 3 View

Is there an expiration date for electrolyte (LiPF6), NMP and PVDF?

The bottle of the electrolyte solution was opened in the glove box and put some amount of it in a small container for temporary use. After each use, we close the container's head with parafilm...

13 October 2020 9,291 11 View

I coated NMC particles by Cr2O3, after calcination process, I observed a yello color on body of Alumina crucible. What is this color related to?

NMC powders is commercial powders that used as active cathode electrode of Li ion battery.

04 June 2020 7,969 7 View

How to calculate error of a ratio of two data with errors?

Suppose I need to calculate A =(B/C), where B= 1.00+- 0.33 and C= 1.50+- 0.43 How do I calculate the error of A? as in, A=0.66+- ? Any idea if I can do this in excel or any other...

13 April 2020 7,667 3 View

Question on COMSOL animation?

Can you please help me, I have done a COMSOL simulation and my result is a 3D plot with slices. The problem is that when I want to export or play the animation, the result is different from the...

01 April 2020 8,239 3 View

With coercivity 101 Oe is it possible for manganese ferrite to show superparamagnetic behaviour?

I got coercivity 101 Oe for manganese ferrite, but I also got a central doublet in mossbauer spectrum. What I will say that, my sample is superparamagnetic or paramagnetic material. What is the...

13 January 2019 7,516 10 View

Does anyone have the template of ROMANIAN ACADEMY MATHEMATICAL REPORTS journal?

I need template of ROMANIAN ACADEMY, MATHEMATICAL REPORTS journal. Can anyone help me?

11 August 2018 9,553 3 View

Does anyone have any kind of experience with viral homologous recombination?

Hi I am using Homologous Recombination to make change in my virus DNA with the plasmid construct which I have already prepared . I have heard this method is really hard and time consuming to be...

20 March 2018 7,227 6 View

Why pET 21 should be reversed for displaying in software such as CLC or Snapgene?

I am trying to insert my fragment in pET21 plasmid, but if I do not reverse pET21 plasmid in CLC or other software, the direction of restriction sites will be disrupted. I was wondering if anyone...

01 January 2018 5,735 3 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

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

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 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 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

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View