What are the conditions on projection operators in order to have optimal L^2 numerical estimates?

Mixed finite element methods employ numerical spaces that are, most of the time, something different than the full P^k spaces (polynomials with order up to k). For example, the BDM_k spaces for...

04 January 2021 2,009 2 View

What might be the reason for the appearance of 'black stringy/shards' in cell culture?

When using a tissue culture treated plate, I started to run into these weird black stringy/shards. If it were contamination, my best guess would be that it is a fungal contamination. However I do...

18 November 2020 2,979 11 View

What is the best way to use R to analyze keywords in articles ?

I would like to analyze the presence of certain keywords in several publications in order to appreciate how certain articles contribute to the achievement of the SDGs (The Sustainable Development...

16 October 2020 7,390 3 View

Could you please suggest a reliable software package for the evaluation ELISA data analysis?

Is there free software available for the analysis of ELISA data (96 wells plates)?

27 September 2020 7,865 2 View

Jornal indexd with SCCI?

what is the best jornal indexed in SSCI and is free to punblish my ariticl about CSR?

19 July 2020 4,895 3 View

How do I choose an appropriate statistical test in SPSS?

03 May 2020 1,018 3 View

How is triangulation used in qualitative data to validate results?

I just want to know your perception regarding the use of triangulation in qualitative research.

20 April 2020 4,441 8 View

The cost of instill EPI sequence on scanner ?

I want to use MRI clinical scanner for research purpose (Philips type), but most of the MRI clinical does not have EPI sequence for doing fMRI experiments, is that possible and how much it cost to...

16 April 2020 8,874 3 View

How do you start a qualitative research question?

I just want to know what are your own practices in writing a qualitative research question.

10 April 2020 5,702 6 View

What is the reason why older students and teachers do not want e-learning in Arab countries?

What is the reason why older students and teachers do not want e-learning in Arab countries?

30 March 2020 7,545 14 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

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View