From where do the international classifications for the university rankings are taking their data of the published researches?

As it was well known before that most of the international university rankings are taking their data for the published papers mostly from Thomson Reuters (now Clarivate) database, however there...

02 March 2018 6,266 2 View

Is there a space dilation due to gravity? or it is prohibited?

The gravity affects the time and leads to its dilation, why this should not be happened also to space, is the length contraction previously found in special relativity lead to this prohibition?

10 November 2016 2,976 55 View

Are you interested in sharing your experience or your friend experience (without saying names) about the reviewing and editing process of a Journal?

The aim of this question is sharing experiences of different authors (good or bad) about the peer reviewing process of different peer reviewed journals (of course you can say name here) specially...

08 September 2016 3,467 0 View

Have any one tried to downgrade from windows 10 to windows 7 or 8 and find a blue screen error during installation?

I upgraded my windows from 7 to 10 then I found that some software are not working with windows 10, so I decided to downgrade to windows 7. This happened within the first month of installation of...

07 August 2016 7,366 0 View

Does anyone know any high impact journals in materials that accept two corresponding authors in their accepted manuscripts?

We have a situation that requires us to have two corresponding authors for our manuscript. Does anyone know any journals or publishers in materials science that accept two corresponding authors.

05 June 2016 6,077 3 View

How can we recognize the glassy phases in aluminum through XRD?

04 May 2016 1,064 5 View

What are the required conditions to form glassy phases in metals?

What are the required conditions to form glassy phases in metals? What are the required tests to prove their existence?

04 May 2016 4,849 0 View

What are the best foam materials for absorbing energy in compression?

I want to know what are the best foam materials that can best absorb energy in compression. What is the highest registered value? Can this be increased?

03 April 2016 7,426 7 View

Does anyone have any experience in publishing an article on peer reviewed journal after uploading it on his/her account on research gate?

I want to know if it's allowed to publish an article on a peer reviewed journal after uploading it on the personal account of research gate. Anyone has such experience, please share it with us so...

01 February 2016 3,127 33 View

Do you agree that the citation system and H-index evaluation need to be improved? How can this be done?

The citations is an important factor to evaluate the impact of any work, however within last decade, due to some faults in the evaluation system, this factor seems not to describe the real impact...

01 February 2016 2,242 11 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

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View