How to solve error "Cannot find position restraint file restraint.gro (option -r)." on GROMACS?

Hi, I am about to do energy minimization but the above error occurred, I checked my .mdp file and .top file but could not find the problem. TOP file ; Include forcefield parameters #include...

01 February 2021 780 3 View

What are the best environmentally benign/green solvents to dissolve PMMA?

I would like to use environmentally benign solvents for dissolution of PMMA to make thin films and coatings.

10 November 2019 8,847 4 View

Is it possible to measure TMOKE for thin films in transmission configuration?

The transverse magneto-optical Kerr effect (TMOKE) can be measured for thin film with the usual configuration of reflection. I heard that it is possible to measure TMOKE in transmission...

01 April 2019 9,170 2 View

Any Suggestions for coding with Mathematica to Solve nonlinear Hamiltonian System using Runge Kutta method?

Either Mathematica code or other programming tool

11 March 2019 2,765 3 View

How to find the phase difference between two signals by using python?

I'm a new user to python. For part of my project, I have 2 signals which more or less are in the form of "sine wave" with the same frequency and amplitude. I plot each one of them separately and...

17 April 2018 6,085 2 View

What is the type of effective mean pressure?

The mean effective pressure is a quantity relating to the operation of a reciprocating engine and is a valuable measure of an engine's capacity to do work that is independent of engine displacement.

22 April 2017 7,380 1 View

How do I calculate the compression ratio?

Compression ration is a fundamental specification for many common combustion engines.

22 April 2017 7,011 5 View

Is it possible to use Exporter dynamics database to determine innovation activities by countries?

03 February 2017 4,441 1 View

How to accept Linear Regression model that violate the regression assumptions?

Hello.. Dear researcher, I am doing study on traffic engineering based on the empirical data. After completing my analysis,developing the mathematical model and finishing my model validation,then...

25 September 2016 7,639 9 View

Monoclonal antibody purification ?

10 June 2016 215 1 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to get started building and analyzing a UTAUT model?

Hello all, I need help getting started building and analyzing a UTATU model. I have a survey ready with some questions but I had some confusions on UATAUT and on how to analyze the data. I will...

02 March 2021 9,271 1 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View