What is the appropriate period for indexing an article in the Scopus database?

Dear RG members The indexing of a published article in the Scopus database may depend on several factors. The issue is that my colleague and I have published separately two articles in the same...

16 December 2020 4,361 19 View

How about self-publishing with Amazon ?

What are the cons and pros of self-publishing of scientific books with Amazon ? Does it worth from the proficiency and royalties point of view ? Is it important for the author to be highly...

10 October 2020 4,521 2 View

How to reduce excess pore water pressure when i am modelling using PLAXIS 3D?

I'm verifying a field embankment supported by ESC monitoring data using plaxis 3D and i'm trying to reach the field values using the available data from soil tests performed, yet the excess pore...

10 September 2020 5,740 9 View

Is there any free software that can facilitate the prediction of the fragmentation acquired from the mass spectroscopy?

Dear RG members The analysis of the mass spectrum of an organic compound is not an easy task and needs high expertise. Is there any free software that can facilitate the prediction of the...

04 August 2020 8,021 15 View

How can we differentiate between academic and predatory journals?

Dear RG members According to my institution, publishing in a journal that is predatory by itself or its publisher is a big mistake. So, what is the robust identifier that differentiates between...

31 July 2020 6,638 94 View

What are the Criteria of Storing Natural Gas in Reservoirs?

Natural Gas can be stored underground in 4 types of reservoirs: 1- Depleted Gas 2- Depleted oil 3- Aquifer 4- Salt Cave. What are the criteria that help decide the suitablity of one reservoir for...

04 July 2020 3,329 4 View

What is your opinion about the updated Citescore methodology applied by Scopus?

Dear RG members What is your opinion about the updated CiteScore methodology applied by Scopus for the calculation of the CiteScore of 2019? Are you with this new methodology or not? Is this...

29 June 2020 7,762 6 View

How can I removed the solvent from my product?

In the synthesis of certain 7-hydroxycoumarin conjugated by an amide bond with 5-fluorouracil, the used solvent (DMSO) has distilled off under reduced pressure. The product was still sticky and...

15 June 2020 9,529 20 View

Asking for full data about daily recovered covid-19 cases by country?

I'd like to have an Excel sheet of daily recovered covid-19 cases (by country). Is there any website can provide it?

08 June 2020 5,627 4 View

Concerning SN1 reactions, which is the strongest nucleophile?

Dear all In the SN1 reactions, which one is the strongest nucleophile: methanol or ethanol? And why?

05 June 2020 2,193 20 View

How can the moment tensor inversion results can present good waveform fit (synthetic and observed waveform) from generalized Cut and Paste scheme?

Depending upon the distance of the seismic station from the epicentre, the quality of waveform data and the improvisation of the synthetic waveform on it is often a question. If the Pnl waveform...

31 December 2020 6,602 2 View

How to solve a finite difference equation with both time and space derrivatives?

23 December 2020 2,764 3 View

How to solve a non linear system?

Hi everybody, I have a non linear system of 9 equations: F=A(F)F+B(F)g(F) F is a 9x1 vector of the unknowns, A(F) and B(F) are 9x9 matrixes which depend on F ang g(F) is a 9x1 vector which...

12 November 2020 9,972 6 View

In simple terms: to what extent do you believe classicial inversion frameworks provide more "general" estimates than learned frameworks?

This is more of a survey question than a query for precise mathematical detailing. Opinions are welcome!

10 September 2020 6,516 2 View

How the position of band inversion (near or away the Fermi level) affects the electrical transport and thermal properties in semi-metals?

Dear all, Can somebody please put some light on how the position of band inversion, near or away the Fermi level affects the electrical transport and thermal properties in semi-metals? Thanks in...

19 August 2020 5,202 8 View

What is the reason to get inversed version of PPG signal?

I am using MAX30102 PPG sensor which consists of IR and RED led and photodiode to detect the PPG wave pattern. It is a reflective sensor. It seems to be giving the inversed PPG pattern when...

01 March 2020 874 4 View

In laser why the atom is not directly excited to metastable state instaed of excited state?

In laser we excite the atom from ground-state to excited-state, the atom then decay non-radioactively to metastable state and a population inversion produces as in He-Ne laser. My question is that...

22 December 2019 9,727 3 View

I am performing a QM/MM calculation on an ef hand structure. I keep getting the error "Missing atomic parameters for atom" can anyone help?

I am using Gaussian's ONIOM software for this calculation. And receive the following error message : Missing atomic parameters for atom 234 IAtTyp= 0 Missing atomic parameters. I...

06 May 2019 5,087 2 View

I am performing a QM/MM calculation on an ef hand structure. I keep getting the error "Missing atomic parameters for atom" can anyone help?

I am using Gaussian's ONIOM software for this calculation. And receive the following error message : Missing atomic parameters for atom 234 IAtTyp= 0 Missing atomic parameters. I...

04 May 2019 5,008 3 View

What is the relationship between inverse simulation and model inversion?

Hi all, hope you are doing well. Can one shortly explain what are the main ideas of inverse simulation and model inversion, in control theory. And maybe suggest a good book for inverse...

03 April 2019 6,807 5 View