08 February 2016 4 886 Report

We need a polarizer devise to measure the depolarization ratio.

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Problem with Two-phase simulation?

Hello; I am conducting a CFD study on two-phase flow in a separator, utilizing refrigerant as the working fluid. For this study, I have implemented pressure inlet and pressure outlet boundary...

25 July 2024 2,308 5 View

What is (or are) the aim (or aims) of the creation of Universe?

Mean to say where the human beings with all belongings are heading to? I seek answers to the point.

26 June 2024 5,066 3 View

job opportunities and positions in the field of conservation and restoration, laboratory study, and archaeometry of historical objects ?

Dear Scientists and colleagues, How are the job opportunities and positions in the field of conservation and restoration, laboratory study, and archaeometry of historical objects in your country?

21 October 2023 1,666 0 View

What book do you recommend for biological wastewater treatment?

It would be preferred if the book covers all aspects of biological wastewater treatment including but not limited to chemistry, microbiology, resources recovery, and characteristics of bioreactors.

05 February 2023 8,141 8 View

Monte Carlo vs Molecular dynamics?

Hi, Imagine that you are going to sample a protein conformation (consists of N atoms) using Monte Carlo and Molecular Dynamics simulations, independently. For the MD simulation, the phase space...

06 December 2022 317 6 View

FES diagram for Metadynamics simulation with 3 CVs?

Hi all, What is the best way to draw a FES diagram for a metadynamics simulation with 3 CVs? I know that it is still possible to draw 2D FES diagram with two CVs and project the Free energy...

11 December 2021 907 4 View

N fertilizer rate recommendation based on NDVI readings of GreenSeeker. (The elephant in the dark)?

As far as I know, there are four steps for recommending the N fertilizer rates based on NDVI readings and grain yield at N rich strip and farmer practice plot. The steps are as follows: 1-...

03 December 2021 6,618 2 View

What is the best method for identifying the Eps and MinPts parameters of DBSCAN, individually for each cluster, while working with various densities?

I have presented a local outlier detection method based on a scalable density-based clustering approach in which the main algorithm utilized for the clustering sections is DBSCAN. But the point is...

16 September 2020 1,317 0 View

What is the difference between synthesis of TiO2 by using TiCl3 and TiCl4?

Which TiO2 is better for DSSCs synthsized with TiCl3 or TiCl4? Using TiCl3 the process is simple without taking extra care while using TiCl4, there are fumes and one should take care! If similar...

17 January 2020 5,930 1 View

How can extract the roots of an Ill-conditioned matrix with complex elements?

Hi everybody. I have a problem with solving the characteristic equation of an acoustic absorption coating. I have a 4*4 matrix that its determinant must be solved and the answer (the roots of the...

31 December 2019 7,210 3 View

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Why is TLC not a form of partition chromatography and paper chromatography not a form of  absorption chromatography?

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Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

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¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

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Why do some of my Raman spectra show no signal at lower Raman shifts?

I'm using a InVia Renishaw Raman microscope system (785nm wavelength, 600l/mm grating density) to acquire Raman images on human brain samples, at 50um resolution. The samples are placed on MgF2...

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How to make the concentration measurements for the hydrogen absorption/desorption in the metal hydride?

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