I want to simulate a system containing protein and heavy metals; which force field is most reliable for this purpose?

The protein I want to simulate has multiple heavy metals. I wanted to know which force-field I should use with GROMACS to achieve this. Most importantly, do the latest updates in the force-field...

16 February 2021 2,420 1 View

Under what conditions absorption and excitation spectra of a same species can be different?

I took absorption and excitation spectra of a same species in the same solvent. Ideally I should get the excitation spectra almost similar to the absorbance spectra. But I got the excitation...

13 December 2020 8,965 2 View

Measurement of Gain of a CP antenna?

How do I measure the gain of CP antenna inside an anachoic chamber? What should be the reference antenna, I mean it should be LP or CP? What is the procedure of measurement?

17 November 2019 336 6 View

How to obtain the sputtering yield of different species in Quaternary sputtering target?

we have prepared the CZTS thin films using single target in RF sputtering. which formula should i use to obtain the sputtering yield of different atoms such as Cu, Sn, Zn . is it possible to get...

15 October 2019 1,699 6 View

How to extend conference paper into journal paper?

I would like to know , what are the possible ways to extend conference paper into journal paper? My work is in the area of natural language processing

22 September 2019 1,246 3 View

How to obtain the crystallinity and strain in the thin film using RAMAN shift?

we have deposited the semiconducting thin film (CZTS) using sputtering. is it possible to obtain the crystallanity and strain in thin film using RAMAN spectra? which formula should i use for that?

09 September 2019 8,088 1 View

Is it possible to get different RAMAN shifts for the same sample deposited by different process parameters?

I have deposited CZTS by RF sputtering at different temperatures, pressures and powers. In RAMAN analysis i am getting peaks at 334,337,330 cm-1 is it possible to observe these kind of shifts due...

04 September 2019 5,898 2 View

What is miniaturization of Antenna?

How we will calculate the miniaturization of antenna? What are the parameters are to be consider to calculate the miniaturization? Is there any proper formula?

13 August 2019 7,475 6 View

I unable to enter the DIPPR parameters for liquid heat capacity of a component in Aspen Plus although parameters for TDE and other eqn can be entered?

Aspen Plus provides the option to input the T dependent liquid heat capacity parameters. Although the option exists for entering parameters for following equations: IKCAPE TDE ThermoML Barin But...

05 July 2019 8,889 1 View

Any public LFP (local field potential) dataset available?

Are there any freely available Local Field Potential (LFP) datasets available, especially recorded during motor actions?

18 June 2019 3,808 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 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

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View