Is there any procedure or an equation for converting total carbon to organic carbon or any equation that helps to obtain the value?

I have analysed percentage carbon (total) using CHNS Elemental Analyzer for the forest soils. Now, I would like to obtain SOC content from the obtained value for which I am looking for a procedure...

29 January 2021 5,551 8 View

Model reduction using Machine Learning techniques (...see description) ?

If we have a SISO dynamical system, for reduced order approximation using ML algs, do we need to take (frequency/ time domain) samples of Impulse response/TF Then to approximate this input/output...

08 January 2021 7,720 3 View

Can cryotop device be reused for vitrification of immature oocytes?

I want to know that can we use the cryotop device for vitrification in oocytes once we have thawed the already vitrified oocytes using this device...Is it recommended or not.....

24 August 2020 5,367 3 View

What is the possible way to find out the common antigen in coronavirus?

As COVID-19 has shown the strain variations, various mutants, if we developed vaccination at one place, r we sure that perticular gene has not mutated take example of E-gene of coronavirus.

27 July 2020 9,934 3 View

How I can choose the optimal lag and avoid autocorrelation?

I want to estimate a var model the variables are stationary in I (1), when I do the estimation and I look for the optimal lag I find that the test lag length creteria the AIC criterion chosen "0",...

13 June 2020 6,741 3 View

Which one of the flowing materials reflect the visible light more efficiently?

Hello everyone. Please, which one of the following materials can reflect the visible light more efficiently : semiconductors, insulators, metals or dielectric materials and why ?

24 February 2020 4,629 4 View

Mammography imaging modality?

Does the advanced mammography have the ability to change the type of the used filter according to the type of the breast density (dense or non-dense) in one machine today? Can this property...

06 November 2019 6,695 3 View

How can i obtain secondary structures and solvent accessibility of more than one protein sequences at once in PSIPRED?

I have a protein sequences dataset of more than 3000 proteins in separate fasta files. I want to obtain solvent accessibility and secondary structures in PSIPRED tool. How can I obtain these...

19 June 2019 8,926 3 View

How to prepare a single and poly crystal thin film from raw polymer?

Please, I want to know about: How to prepare a single and poly crystal thin film from raw polymer? I wish I could hear also the new methods to prepare a single or poly crystal thin film from...

02 December 2018 2,969 3 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

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25 February 2021 5,713 1 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

How the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 View

Can a semi-conductor material have different absorption coefficient?

Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...

23 February 2021 9,799 4 View