How to calculate dielectric constant from oil spill in SAR satellite image?

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Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...

01 August 2024 4,606 7 View

Are there always been barcodes, apapters and primer sequences in the FASTQ files of NGS?

Hello researchers, Sorry for my stupid question. I am learning the QIIME2 workflow for analyzing some 16s amplicon NGS fastq data. I found a very nice paper with data and code public available...

20 July 2024 5,405 2 View

How to determine LOD values?

I am performing fluorescence experiments using a ligand to detect metal ions. I want to determine the Lowest Detection Limit (LOD) using the formula LOD = 3σ / K. However, I'm uncertain about...

19 July 2024 1,086 1 View

How to use stress and displacement results from 1st stationary simulation as initial conditions for 2nd eigenfrequency simulation in COMSOL?

Dear All, I am trying to define the dispersion curves of a periodic unit cell in COMSOL Multiphysics with prescribed displacements. I am using two separate studies: - Study 1: Stationary, with...

13 July 2024 7,855 1 View

What is reflexes and legend in XRD analysis ?

The reflexes within the measured XRD pattern are not clearly visible or fully indicated, and a legend is missing. explain this.

27 June 2024 7,257 3 View

Is asymmetric term on y-axis in zero field muSR data usually negative?

I am analyzing the zero field muSR data using kubo-Toyabe function. The fit is not converging. I am noted that the asymmetry term on y-axis is neative beyond certain time. I think this is the...

15 June 2024 2,661 0 View

Can holes for pressure probes in journal bearings modify the original pressure distribution?

It is very common to measure the pressure distribution inside the bearings with pressure probes connected to the oil film through holes in the bush. Once filled and pressurized, the probe lines...

12 June 2024 1,936 0 View

How to upload 16S and metagenomic data from fecal samples to NCBI SRA database?

Hi there, I have some 16S and metagenomic sequencing data from mice fecals and I want to upload them to NCBI Sequence Read Archive (SRA). I don't know what NCBI package is suitable for my animal...

03 June 2024 9,451 3 View

Why do you translate my name?

My name is Mary Elizabeth C. Bernardes -de-Oliveira or M.E.C. Bernardes-de-Oliveira. But, Maria there isn't! Please correct this for me.

27 May 2024 8,228 2 View

Anyone who knows how to program in Fortran or similar language who can access the complementary Incomplete Gamma function?

Hello Does anyone know how to program in Fortran or any other language that uses advanced calculation libraries? I need help making an executable to obtain results from 2 equations that use the...

20 May 2024 6,610 5 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

Dirty and clean?

Hi everyone I need a file with a dirty and clean potato image

04 August 2024 7,199 4 View

Do you think can be any gas and oil bearing rocks in Eastern part of Iran?

I want to know more about petroleum deposits in Iran.

02 August 2024 8,725 3 View

Hello, regarding Mxene 2D titanium carbide?

I fabricated Ti3C2Tx using concentrated HF 40%, I plot an XRD as attached image below.. please let to know if I obtained it or not.

02 August 2024 6,789 4 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View

How do living organisms play a role in the water cycle and why is nonpoint source pollution potentially more harmful than point source pollution?

01 August 2024 7,061 2 View

How does nonpoint source pollution affect ocean environment & why point source pollution is often easier to manage than nonpoint source pollution?

How does nonpoint source pollution affect the ocean environment and why point source pollution is often easier to manage than nonpoint source pollution?

01 August 2024 8,014 2 View

Given the current level of natural phenomena cause by the climate change and environmental pollution, will the AI find the technological solutions?

AI-driven technologies offer previously unheard-of capabilities to process enormous volumes of data, extract insightful knowledge and improve predictive models, according to the UN’s World...

31 July 2024 9,733 3 View

What is the best software/code for plotting marine transect data?

I have environmental data from an offshore to onshore transect. I would ideally like for the figure to have depth (yaxis), longitude (xaxis), environmental parameter (zaxis), and bathymetry. I...

30 July 2024 535 1 View

IHC profiler in image j software. has anyone used it to quantify nuclear DAB positivity?

Dear researchers. I tried using the IHC PROFILER in image j to quantify nuclear DAB staining. I followed the instructions in the original article by "Varghese F, Bukhari AB, Malhotra R, De A...

29 July 2024 2,229 0 View