Why Negative peak eluted in HPLC analysis?

I'facing problem while doing HPLC analysis due to negative peak was eluted which was corresponding to the principle peak RT. I tried to remove, with different solvents, but no use. i want to know...

26 November 2020 1,960 5 View

Can anyone please tell how to define link for Tuned mass Dampers using Sap2000/Etabs?

Dear Research scholars, I was doing my MTech thesis on pendulum based TMD and I was having trouble defining the link properties. I even followed the tutorials put on CSI website. still, I wasn't...

11 November 2020 8,309 11 View

How to solve "cz freeze python error in main script" Acp in Ansys probelm?

Greetings, I'm currently using the ANSYS 2020R1 crack version. I used this software for at least one month smoothly. But in the last few days, I'm facing this problem. I'm tired to solve this...

09 November 2020 6,431 2 View

What is the suitable optical filter for filtering 120MHz spacing combs from mode-locked laser for f-2f interferometry?

how to do f-2f interferometry from an octave spanning supercontinnum with frequency spacing 120MHz. Which would be the most suitable optical filter in this range for filtering f and 2f components...

12 October 2020 4,470 1 View

How we can design hybrid system between deep learning and swarm intelligence system or deep learning with fuzz?

Hybride intelligent system is good techniques used for solving diffrent optomization problems. Like classification, recognition ....etc Deep learning can be used with and hybrid with other machine...

08 October 2020 4,943 3 View

Why not there is common reference citation format for all journals?

Why not there is common reference citation format for all journals?

03 October 2020 8,137 3 View

Which force field should be used to simulate protein-protein complex in gromacs?

Hi, I have done a protein-protein docking. Now I want to perform MD in gromacs. I am confused with forcefields. When I tried to findout, everywhere it is written for protein-ligand but I couldn't...

29 September 2020 1,410 3 View

Anyone knows a reliable service who can run my data for me?

Please, if you know such a person or service, kindly email me the contact. I am looking for a reliable service to help me with my data set analyses. Thank you, Y. Essounga: [email protected]

23 September 2020 2,080 3 View

How authentic is this conference, https://www.scientificresearchers.org/icbe-8?fbclid=IwAR2_kI2DGxq7Hlc-Be6gIZKrwgXvjqg2Q5FT2SmIo2yiQecWAcMDpl7GZS0?

Good day, I just to want whether the above conference is a fake or not Regards

17 September 2020 3,912 7 View

Is it possible to run a doped system in CASTEP without creating supercell structure?

I was run a doped system in CASTEP without supercell and it was successfully optimized. But, I am not fully understood when I have to create a supercell. The unit cell I had used contain 28...

06 July 2020 7,657 2 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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 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