How to measure the size of simulated/generated Fields(Magnetic or Electric)?

Hello everyone, I'm a beginner on the simulation software ANSYS HFSS. I need to know how to measure the size of the generated field of my simulation. I have simulated a geometry that looked like...

20 January 2021 9,113 2 View

Why the time to ignition (TTI) of a polymer nanocomposite reduced after addition of graphene?

Normally after addition of graphene into polymers, TTI will increase indicating an improvement in flammability resistance. If the TTI decrease after incorporation of graphene, what is the...

12 April 2020 4,216 12 View

Any recommendations on minimal research-grade biosignal acquisition system?

Hello, I'm interested in purchasing a biosignal acq. system for measuring EMG (surface, with electrode arrangement in array as an option, no intracellular) and ECG (also surface, but possibly...

10 March 2020 3,355 3 View

Hello, i want to ask why the yellow colour of essential oil turned into blue colour during hydrodistillation process?

it is because of oxidation or what?

25 February 2020 3,035 7 View

How to prepare solvent mixture for HPLC?

I am running an experiment on the degradation/removal of oxytetracycline and for the analysis, I am using UV-detector HPLC system with C18 column, 355nm wavelength. My mobile phase is 60/25/15 v/v...

19 September 2019 8,413 3 View

What is the impact on contractor regarding late interim payment?

May i know the real consequences of late interim payment or progress payment and is the percentage of projects delays because of this factor are increasing by each year in Malaysia?

23 February 2016 4,561 2 View

How does water injector spray works?

How water injector spray works and the mechanism that can makes it spread into various pattern?

22 November 2015 6,188 2 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Does any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 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

Why do we need to neutralize the charge of the system by adding ions before we proceed to energy minimization step in GROMACS ?

I am learning MD simulations using GROMACS and while I was doing a protein in water MD simulation a doubt raised. I was following the steps mentioned on the tutorials page and it said The system...

15 February 2021 5,514 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