How to determine the population and sample size?

15 February 2021 9,340 4 View

A question about Conquest or WebCSD search in-house databases?

Dear all I want to ask help in searching about all crystal structures that contain : Zn/W/P or Zn/W/Si Can anybody help me in case of having access to conquest or WebCSD and his/her help will be...

25 August 2020 1,883 3 View

What are the light quality,quantity and intensity requirements for growing mango under greenhouse or poly houses ?

What are the light quality,quantity and intensity requirements for growing mango under greenhouse or poly houses ?

17 August 2020 2,823 1 View

Find location (x,y) where expression is satisfied in COMSOL ?

for 1-D axisymmetric model. I need to find the coordinate r where the variable x is equal to x0 for all times? find(r, x==x0) .... What a COMSOL operator should I use for that?

02 July 2020 5,098 8 View

A question about Mendely bibliography ?

Dear all, My question is how to do the attached citation bibliography using Mendeley? i.e. merging many references in one number and letter of each.

28 June 2020 5,084 2 View

Can pilot study done under the same sampling frame of parent research?

12 April 2020 5,110 3 View

Does anyone know appropriate free software or an online soft tool for computational prediction of IC50?

I am currently interested in calculating (computationally) the value of IC50 for some of organic compounds, so if anyone knows any free software or online tool, tell me, please. Also, I have...

09 December 2019 6,184 4 View

What is the suitable software for estimating the synthetic accessibility of organic compounds?

Hello all, I just finished designing new compounds using computer-aided method, and I want to know if they can be synthetically accessible or not, actually, I am currently looking for a suitable...

15 November 2019 8,584 10 View

Can anyone tell me is there any alternative material to quartz wool can be used for packing of the combustion column of CHNS/O analyzer ?

03 July 2019 7,332 1 View

How to make a baseline plot (Insar)?

Hi. I've used SNAP to get the baselines and select the master image for the interferograms. But how do I do a baseline plot (other than a scatter plot) so that the possible combinations with the...

01 May 2019 8,821 3 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