What questions must you consider before starting a Research Topic?

As like : Do you have the budget needed to conduct this research? Do you have the know-how needed to conduct this research? Do you have access or can you obtain access to whatever it is you want...

07 August 2018 9,007 27 View

How to write a research paper (technical writing)? how to generate ideas, creativity, sources of problems information management (research notebooks)?

How to write a research paper (technical writing)? how to generate ideas, creativity, sources of problems information management (research notebooks, etc.)? Find some inspiration regarding open...

07 August 2018 7,957 11 View

Are there any criteria or guidelines to develop good test questions?

What are the impact of good and bad test questions on students learning?

07 August 2018 437 11 View

What makes a good university lecturer?

07 August 2018 4,234 25 View

Why does the pressure increase under soil?

pressure = unit wt * depth

06 July 2018 1,276 1 View

Are we losing water because of excessive use? Is the correct that statement?

Are we losing water because of excessive use? Is the correct that statement?

06 July 2018 1,631 3 View

How do you maintain water pressure?

water pressure

06 July 2018 1,546 1 View

What are the qualities of a good exam?

I think A good exam gives all students an equal opportunity to fully demonstrate their learning.

06 July 2018 9,798 94 View

How do you maintain water pressure?

water pressure

06 July 2018 5,399 0 View

How can we calculate the activity of SO4 in sediment

29 June 2017 4,530 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View

Using the Pfaffl method: Is it possible that the ratio of the calibrator does not equal 1?

Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...

19 February 2021 8,351 2 View

How to calculate radial distribution function (RDF) of a complex from Ab initio MD simulation trajectory?

Hi all, Is there any software or webserver to read the molecular dynamics (MD) simulation trajectory which obtained from Ab initio MD simulation to calculate the atom-atom radial distribution...

25 January 2021 9,474 3 View

Solving diffusion- reversible chemical reaction equation: How to solve both terms numerically?

I am using finite difference method to discretize the parabolic equation (explicit method), but confused about the chemical reaction term. Solving the generic equation for i specie involves a...

24 January 2021 1,149 18 View

Doubt in DFT geometry preparation?

Hi all, I am trying to perform some ab inito DFT calculations using cp2k code. I have a unit cell of 120 atoms and would like to know how to refine or reduce the number of atoms in the unit cell...

20 January 2021 6,024 3 View

What are the natural background values of Major,Trace and REE elements in sediments deposited by Indian rivers?

We are working on geochemical analysis of sediments derived from eastern and western ghats of India.

20 January 2021 8,963 6 View

Why it is required to optimize a unit cell generated from cif lattice parameters and atomic coordinates during ab initio solid state calculations?

A cif file represents a unit cell with minimum energy. My question is, in the start of any ab initio calculation for unit cell generated from the cif file, why we are advised to optimize cell...

19 January 2021 9,883 3 View

Is it possible to calculate entalphy of LiBr/H2O or another solution if we know correlation of specific heat without using any software?

Is it possible to calculate entalphy of LiBr/H2O or another solution if we know correlation of specific heat without using any software?

17 January 2021 5,522 3 View