Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View

Are there any remarkable processes in practice to valorise both solid and liquid contents of city waste to fine chemicals?

Could anyone please suggest me a good texts/methods about city waste management towards the fine chemical ends? I am interested to develop methods to process both solid and liquid parts to...

01 January 2021 6,201 5 View

Hello Researchers, can organizational socialization effects on organizational ambidexterity? what's your opinion?

organizational ambidexterity simply talks about explosive and explorative innovation and how can this variable used with different variables i.e. leadership, resources, organization antecedent....

28 December 2020 4,022 3 View

Why peaks are shifted in XRD anlysis ?

I have synthesized zinc oxide nanoparticles by physical method (sputtering) direct interaction of plasma with zinc target and it is done in atmosphere. The sample were prepared at different...

18 December 2020 10,010 6 View

How to determine Friction coefficient in orthgonal milling?

I have used a Pin-on-disc tribometer to find the friction coefficient. However, now I am getting feedback from some seniors that I need to get a friction coefficient from orthogonal milling. There...

15 November 2020 8,151 9 View

What is your opinion about this UV-Visible spectra of Graphene oxide?

? As I have synthesized graphene oxide following the Modified Hummers method.One thing I understand that the absorption is too high but what is the reason behind this distortion and how I can fix...

05 November 2020 7,540 4 View

How to write result and discussion regarding 16S and ITS2 soil microbiome?

Hi everyone, I have a problem about how to write a result and discussion for my research project. It is about bioinformatics result from rhizosphere soil and bulk soil. I am lost and not sure...

07 July 2020 7,434 6 View

How to calculate kinetics using TGA data in excel?

I have tried to calculate kinetics in spreadsheet by Method of Coats Redfern but i did'n get the correct result of Ea. I got negative value instead of positive. I think my formula is'n correct....

23 June 2020 1,781 7 View

What is the expected time in which COVID-19 (Novel Corona Virus) would vanish from the surface of the Earth?

Dear Fellows With the developing stories of the spread of COVID-19 all around the world, which has been declared as a pandemic by WHO recently, I am wondering, in how much time this virus would...

11 March 2020 3,381 41 View

What is the recommended tool to assess the quality of case-control studies included in a meta-anlysis?

I am working on a meta-analysis of case-control studies. I used Newcastle-Ottawa scale (NOS) to assess the quality of the studies. I couldn't find a good reference to interpret the results...

08 March 2020 7,961 4 View

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View

What is the structure of a photon that can describe the interference experiments that reject the wave nature of light?

De Broglie's double-solution postulated a causal model of Quantum Mechanics. Knowledge of the photon structure was needed to model the particle part of the cause of the Double Slit interference...

11 February 2021 6,869 5 View

How can I label an antibody to determine how far it is travelling from the microdialysis probe?

I am trying to set up a new experiment where I am simultaneously utilizing reverse dialysis (antibody) through a microdialysis probe and a Miniscope for one-photon calcium imaging. Both pieces of...

09 February 2021 3,981 1 View

Loss of biodiversity its impact on terrestrial ecosystem?

I need research papers with problem statement as well as research questions in respect of the above mentioned topics

04 February 2021 2,240 15 View

Where can I find data sets containing the average mass of terrestrial predators and their prey?

For my final year thesis I require data on the average body mass of terrestrial predators and their prey. I have come across many papers which have used such data sets however, the data is not...

04 February 2021 8,348 3 View

Is there a solution to this conundrum on freefall into a black hole?

18 January 2021 1,582 3 View

Can Anything Pass From One Universe To Another?

Roger Penrose in the book Cycles Of Time requires all mass and energy to be converted to electromagnetic radiation. This is the sequential end of time in an old universe 3D not 4D and the setting...

02 January 2021 9,086 3 View

What kind of detector is used in the double slit experiment to determine through which slit the photon or electron passes?

Explain exactly what the detector does and if the choice of detector affects the outcome. Einstein and Bohr had some discussions on this. What's the current situation?

29 December 2020 1,984 5 View

How much does radiative heat transfer effect thermal conductivity of materials and how to compare calculations to experirment?

I am calculating the phonon contribution to thermal conductivity for 4 perovskites (BaZrO3, BaSnO3, BaHfO3, and KTaO3) with relatively wide bandgap. When I compare my results for BaZrO3 to the...

27 December 2020 3,232 3 View

Can photons curve the spacetime and how would you measure this effect?

Mass bends spacetime. It's generally accepted that the photons have no mass, but they do have momentum and energy and can cause pressure, so they have equivalent mass of p/c. The...

14 December 2020 3,195 6 View