Calculate the effective ionic Radius of a cation like glycinamide?

More G.M.G. Khalaf's questions See All

Is nanotechnology part of materials science? Is it possible to obtain Pico technology and move from hypothesis to application?

Pico-scale This is three orders of magnitude smaller than a nanometer (and thus most nanotechnology) and two orders of magnitude smaller than most chemistry transformations and measurements. Pico...

18 February 2021 4,540 5 View

Can any one provide information about medicine, epidemic and critical issues or it is mandatory to be an expert ?

Due to the pandemic of coronavirus, the most source that the people depend on was social media. There is no guaranteed solution that is biased from political opinion. An example of that the...

01 February 2021 7,567 3 View

Why most of the student and teacher of the university wanting to retune to university campuses ?

with knowing that they might be at risk of the epidemic. The rapid evolution of online learning does not affect that desire to return to traditional learning. is the reason of that socially, or...

29 December 2020 899 9 View

Does electromagnetic fields harmful to our bodies?

Does magnetic field can heat the human body? According to the International Commission on Non-Ionizing Radiation protection (ICNIRP), there is a maximum allowable magnetic field exposure to our...

14 October 2020 7,594 3 View

Corona virus force higher education institutes to change suddenly for fully online learning ?what are the attributes to build evaluation model to(SC)?

Researcher provide us with higher education quality assessments models. To create an evaluation model for sudden change from traditional learning to online learning we can use these model. To...

02 August 2020 4,333 3 View

What is the best online system to cover the higher education learning process?

We start to use Microsoft teams for online education purpose because of quarantine caused by corona virus in Jordan. What are the phases of e-learning that should we cover throwing the...

17 March 2020 3,850 10 View

How coluld we prepare to sudden change from traditional education to online eduction in university?

Because of the corona virus epidemic, the administration of higher education decides that all universities in Jordan need to convert fully to online education if the country announces the...

08 March 2020 6,398 32 View

What is the disadvantage of using Artificial intelligent (AI)?

could AI harm people? could AI be out of control? could we rely on AI at level that we give up on providing idea with our own mind? could AI prevent our mind from evolving?

06 August 2019 958 6 View

The Artificial intelligence is used for many benefits, but the end of it is known total destruction of the human race, do we have the right to ban it?

If we want to keep using technologies we must abandoning Artificial intelligence. unless we found a way to control it which is unlikely to happen. Some rules must be adopted to band or control AI...

03 July 2019 4,336 4 View

Draw 2D Yield Surface of a bi-linear Material according to Ansys?

Hello ! im doing a bi-linear Material behaviour analysis ( Steel) . im using Ansys , i did modell a plate with a hole using Plane183 . and i need to draw a 2D Yield surface , is there any Option...

16 June 2019 2,747 1 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View