What is the best method to prepare copper nanoparticles ?

I want a simple method for preparation of copper nanoparticles. The methods mentioned in publications have something missing or something they didn't mention. So if anyone has a practical...

07 September 2019 7,313 4 View

Why using the actual cylinder results for concrete streess strain curve for finite element modelling?

stress strain curve for concrete and modulus of elasticity are the most important factors that affect the finite element modelling of concrete structures. the data needed for the FE modelling...

02 January 2019 7,436 6 View

How to augmented virtual contents on on-device uploaded images?

Dear all, I need some help regarding image recognition and/or augmented reality. I don't want to use to scan images with camera to augment it with virtual content. Instead, I would like to upload...

17 January 2018 671 1 View

How Adiponectine blood level could be increased?

Adiponectin (APN) is associated with insulin sensitivity. one way to increase the insulin sensitivity is to increase APN in blood, therefore which food could be used to do this directly or indirectly?

04 February 2017 9,011 3 View

I have a set of entery receptors names; I want to know which cell types each of them belong to?

I have a set of human cell receptor names (AXL, CD209,...). I want to identify for each receptor which human cell types (neural stem cell, skin cells, ...) it belongs to. Is there any...

03 October 2016 909 1 View

Are there any applications of Ramanujan-Nagell equation other than its appearance in the "error-correcting codes" and "differential algebra"?

28 February 2015 7,472 3 View

Off-track Students

Hi ALL, I'd like to share with you ideas about dealing with the off-track students at the university level. How to deal with them to pass in their courses. Are there any rules in your department...

01 January 1970 6,000 4 View

Concept of Agrivoltaic model

"Co-developing the same area of land for both solar photovoltaic power as well as for agriculture" The principle of agrivoltaics, a way of fusing food with clean-energy production. According to...

01 January 1970 6,232 5 View

What do you think the appropriate diagnosis ?

A 37-year-old patient presented to ED with chest pain. Normal electrolyte and normal troponin. What is your diagnosis ?

01 January 1970 6,377 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

What is the detection limit of ED-XRF technique for transition metals in silicon ?

Hi everybody, please, can someone tell us if the transition metals (W, Fe, Ni, etc ...) in silicon destined for solar cell manufacturing can be detected by ED-XRF technique. Note that the...

18 February 2021 6,231 4 View

Passivation of chromium cast Iron in high temperature?

14 February 2021 2,157 3 View

Why ICP-MS test for Teflon filters that collected PM2.5, show really high results in the millions of ug/g ?

I analyzed soil and ash samples using ICP-MS for 28 metals, then I resuspended those samples to collect PM2.5 particles in a filter using a selective inlet inlet. My only issue that Fe and Al...

13 February 2021 7,592 3 View

How to interpret different leached phases of metapelites?

Extraction of three different phases of metapelites, mostly phyllites as the Carbonate phase, Fe-Mn Phase, and Silicate phase has been obtained. After doing ICPMS, different results have evolved....

11 February 2021 5,198 10 View

How can I take subsamples of water from a larger sample in a way that allows me to measure the iron content of the subsample?

I learned how to take subsamples with a magnetic stir bar, but I noticed iron particles stick to the bar, and I am having trouble finding a standard method to solve that problem. How can I take a...

04 February 2021 4,778 1 View

Sample preparation for ceramics i.e. iron silicate (fayalite), iron oxides, alumina, spinel mineral (hercynite)?

Recommendations in preparing ceramics for nanoindentation and in the process minimize introducing stresses from sample preparation i.e. polishing stage.

02 February 2021 6,211 3 View

What are effective methods for removal of iron from organic acids?

I am seeking methods to remove trace iron from organic acids, including acetic acid, propionic acid, and formic acid. Distillation works, but is expensive. I'm looking for alternatives to...

31 January 2021 984 3 View