How is the functioning of an ecosistem measured?

More Avril Figueroa's questions See All

What value is attributed to the mass of the photon in General Relativity?

In Special Relativity, a photon of frequency f is considered as a particle of mass m=h f/c2 with zero proper mass. It is experimentally verified that the photon carries momentum and exerts...

16 October 2023 4,463 5 View

Packages similar to SynthSR or SubtleMR?

Hi!, I am looking for package to improve typical "low" brain MRI resolutions and convert them to isotropic imaging for researching purposes. I tried SynthSR within freesurfer but it is not...

03 October 2023 5,239 1 View

What is the difference between DMEM and Opti-MEM (both with FBS)?

What is the difference in terms of content? Is Opti-MEM w/ FBS harmful to cells?

19 June 2023 3,489 3 View

I need research topic about Leadership?

As an Administration and Supervision student, I will be writing my Thesis 1, and my topic dwells on 1. Leadership for Learning 2. Shared Leadership for Change 3. Leading Teachers 4. School...

13 February 2023 8,764 14 View

I would like to know if there are materials that have stretching and contraction properties when applying electrical charges?

I'm working with nanofibers and I want to know if it is possible to contract or stretch a material by means of electric charges.

19 April 2021 7,642 5 View

How do I organize items to repeated surveys for quantitative and qualitative analysis?

Hello fellow researchers! Newbie here :) I created a survey with open-ended and Likert-type questions. The survey was administered nine times to the same people using google forms. I plan to...

01 January 2021 4,269 3 View

Is there a better library or function for plotting CFA with many observed variables in R?

Hello! I'm kind of new in using R for doing EFA, CFA, and SEM. I just followed a guide to perform CFA on my data to see how my context fits the ITC-SOPI model in a VR photo-based tour. I used...

23 December 2020 2,035 2 View

One factor from EFA. How do I interpret the other values in the summary?

One of my scales had 10 items, and parallel analysis suggested that it would only have 1 factor. I tried running 2-factor and 3-factor EFA and it just showed a high correlation between factors...

21 December 2020 5,067 0 View

Is there direct experimental confirmation of the existence of quarks?

Quarks have emerged from the evidence that protons and neutrons are composite particles. This has led to the formulation of the QCD and the "asymptotic freedom" hypothesis. This theoretical...

16 March 2020 6,102 9 View

In DSC, is it necessary to perform different calibrations for the case when the crucible has a lid or not?

Hello, I have little time in the use of a NETZSCH device. Currently I know that the calibration must be done according to the following parameters: gas flow, type of atmosphere, type of crucible...

14 February 2019 2,040 4 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View

Why does my protein refolded to beta sheet during thermal denaturation analysis?

Hi! So i attempted to understand a novel protein behavior towards heat application by analyzing its secondary structure change. I subjected the protein to a thermal denaturation analysis using...

06 August 2024 1,989 3 View