How can find statistics about number of Facebook and/or social media users per country since 2004 ?

More Pro. Djouadi Noureddine's questions See All

Hey, i'm Phd student in physics interseted on electron scattring , i m looking for co-derctor for doing an guardianship of these ?

hey, i'm Phd student in physics interseted on electron scattring , i m looking for co-derctor for doing an guardianship of these ?

31 March 2024 8,680 0 View

How can I get Excel data of any published paper on crab’s carapace size-weight relationship?

This type of study is very interesting for me. I see that no published papers provide in supplementary materials full Excel data on crab carapace size-weight, such as: Weight, length, width, male,...

29 June 2023 7,115 8 View

What means the presence of same peak in the plant extract samples which also revealed peak in this lenghtwave?

Hello One of the important test after the metal nanoparticles biosynthesis is UV-Visible spectrophotometry, in which we observe clear peak for example in 300 nm of the final powder obtained...

17 March 2023 2,625 2 View

What is this mus spretus mite?

I collected this samples from a (mus spretus) mouse and my quirty led me here, in fact by the eye it looked similar to Ornithonyssus mites found in Rattus norvegicus but smaller I'd be gratefull...

12 December 2022 3,862 2 View

What is the effect of different types of metallic foam on the performance of ballistic sandwich panels?

The effect of foam density variations in the sandwich structure under high-velocity impact loadings.

25 October 2022 4,716 1 View

Glass transition temperature ?

Good day dear all I want to calculate the glass transition temperature of different systems of polymer/nanoparticles to study the effect of the NPS in the tg of polymer matrix I try to use scrip...

19 October 2022 6,718 1 View

What are the effective scientific and practical mechanisms for eliminating the Parallel Market of Foreign Currency ?

Please keep the answers short, focused &The proposals should be practical and applicable.

14 July 2022 8,423 3 View

How to analyze multiple bounded discrete choice WTP ?

In multiple bounded discrete choice (MBDC) format, for each price, the respondent indicates how certain she would be to vote in favor of a policy by choosing, for example, among “definitely yes”,...

21 June 2022 7,045 0 View

Is that the chromium, Cr and Cr (VI) have the same refractive index value?

The refractive index of the chromium Cr is about n=3.4. Is that the same value for hexavlent chromium Cr(VI)? thank you.

09 June 2021 4,239 3 View

How can we justify the increase of second phase and decrease of the main phase with the increase of doping materials?

In preparing nanoparticles sample containing yttrium iron garnet doped with Manganese and Gadolinium. I observed that the main phase in xrd peaks decrease with the increase of Gd and Mn. How can...

02 April 2021 7,280 1 View

Why do exism movements become permanent dictatorship threats within liberal democracy thinking under majority rule-independent rule of law system?

Exism movements after gaining power within liberal democracies under majority rule and independent rule of law system become permanent dictatorship threats, but why this is the case is not clear...

04 August 2024 8,125 3 View

How Social Media Affects Your Mental Health ?

How Social Media Affects Your Mental Health

04 August 2024 6,961 3 View

Are current regulations effective in preventing cancer caused by toxins?

I am currently researching the impact of environmental toxins on children's health and would greatly appreciate insights from experts in the field. If you are an expert or researcher working on...

02 August 2024 4,474 2 View

How does social media influence people's dental habits and interest in aesthetic dental treatments?

Hello, Dear friends, I am surveying as part of my thesis research and would greatly appreciate your participation. The study investigates how social media influences dental health behaviors...

01 August 2024 9,349 2 View

What is effective targeted chaos?

Perfect democracy thinking assumes no chaos so no need for independent rule of law system and liberal democracies assume the possibility of normal democratic chaos that can be sorted out by an...

28 July 2024 473 1 View

What are the important scholarly articles related to 'Use of Likert Scale in social science research' ?

The Likert scale is a commonly used measurement tool in social science research to assess people's attitudes, opinions, or perceptions. The social science students still have difficulty selecting...

25 July 2024 7,535 1 View

Can primary care be sustainable ? And how ?

I am starting to work on this question, with particular reference to what we might be able to learn from countries outside the UK. Of course this topic is huge, and I am breaking sustainability...

25 July 2024 1,545 3 View

Corporate Social responsibility strategy?

strategy and organisation of effective social responsibility in corporations

24 July 2024 5,003 2 View

How to maintain the drug concentration in cell culture study for long term?

I am working in the filed of long acting drugs with Nano formulation. I want to study the efficacy of my formulation in 2D cell cultures while this required media change on every two days. In such...

24 July 2024 8,696 0 View

How can I identify popular hashtags on a social media platform from three years ago?

I'm looking into climate change fake news (specifically ice melt fake news) on TikTok and YouTube, and I'm going to be gathering relevant social media posts from around COP26. Any ideas on how I...

23 July 2024 6,737 2 View