Sizing PV Panels software?

what is the best open source software for sizing photovoltaic solar panels

24 July 2020 3,815 1 View

Confinement and back to university?

After months of confinement and interruption of student-teacher contact, in your opinion, how should the resumption of face-to-face lessons take place? Do the exam subjects have to take this...

24 July 2020 1,354 14 View

Can anyone give some advice on how to avoid precipitation in artificial sea water after autoclave ?

I prepare artificial sea water (for bacterial culture) by adding salts into MilliQ water. My problem is that after putting the artificial sea water to autoclave there's a precipitate forming. I am...

14 October 2019 934 2 View

I need some informations about Smart farm especially energetic side ( renewabl energy)?

I am looking for recent articles in the field of renewable energies applied to the smart farm

13 December 2018 9,758 3 View

How to code random English words as positive, negative or neutral?

Hi everyone! I wanted to know if anybody knows how we code random words as positive (+1), negative (-1) and neutral (0). Like how do we know if a word is positive, negative or neutral. For...

17 October 2017 4,662 5 View

Bacteria identification with MALDI-TOF?

Dear community I proceded to identified my strains isolated from dairy food with MALDI-TOF, and essentially lactic acid bacteria. My question is how can'i do the dendogram for all strains in only...

27 June 2017 4,579 6 View

What is the formula for quantifying a compound against standard using HPLC (High-Performance Liquid Chromatography)?

I need to quantify compound Bisphenol A and its standards in water.

02 April 2017 5,708 4 View

Can anyone help me with a protocol to create a resistant strain from a sensitive one by exposing it to a drug and check for the mutations?

I'm doing a proposal for a research to identify the target and mode of action of one drug against P. falciparum using OMICS and one of the strategies is to create a resistant strain from a...

19 March 2015 3,955 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 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

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

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25 February 2021 5,713 1 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

How reliable are degrees of freedom for lme mixed models in nmle package?

I am running mixed models analyses because I have participants nested in groups. Across the different analyses, I have very different degrees of freedom in the lme output with nlme package (and...

09 February 2021 6,767 3 View

Which software is the best to model a non-linear concrete (ABAQUS, ANSYS,ADINA, ATENA, etc.)?

What is the best finite element modeling software packages for modeling non-linear and fracture analysis of CONCRETE? I've had some with ABAQUS standart/explicit, but I would like to learn if...

27 January 2021 330 6 View

How plot results of membership function in R?

I am using the FRBS package, I developed the model without learning data and I use the plotMF function of this package to see the membership function of every input and output variables. I got the...

22 January 2021 2,668 3 View