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

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View