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

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

How to analyse a split-plot design in stata ?

I have run an split-plot design experiment evaluating the efficacy of a treatment (with 3 whole plots and 4 sub-plots), and I am planning to analyse the collected data in Stata. However, I do...

14 February 2021 7,800 7 View

Can I use a likert survey for criterion sampling in a qualitative study or would that make it mixed methods?

I am doing a phenomenographic study on the reading experiences of avid v. Neutral v. Non-Readers. If I use a likert survey to criterion sample for participants, does that make it a mixed method...

09 February 2021 8,594 3 View