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Questions related to Chemical Engineering
Thank you for taking the time to read my question. I am trying to optimize the extraction conditions with ANN-GA. I am studying through papers and YouTube videos, but there are limits to what I...
08 May 2023 186 3 View
I am trying to do a potential energy scan of a BTA (N,N',N''-trismethyl-benzene-1,3,5-tricarboxamide) dimer. I defined the coordinates of the COM (I choose 6 carbons of benzene ring for this)...
01 May 2023 523 0 View
How the xrd values effect the medium , bulk and nano powders in the zinc oxide .
29 April 2023 5,817 1 View
One of the deprotection reaction was done using Zinc Chloride using THF:Water as a solvent. After the deprotection, our compound and zinc chloride was soluble in water, so it can't able to extract...
21 April 2023 8,206 2 View
I need to calculate theoretical CD-spectra of a few organic compounds. I never dealt with CD-spectroscopy nor I have any experience with theorethial calculations. Still I hope that there is a...
17 April 2023 4,586 2 View
Is it possible to model a Monolith reactor in ASPEN PLUS or ASPEN HYSYS? How?
12 April 2023 421 1 View
I have been trying to simulate the ionic liquids on Gaussian 09 using B3LYP with scanning basis set from 6-31G to 6-311G ** (d,p). The file has been running since 4th of April (output file has the...
10 April 2023 7,177 1 View
I put charge as Ca metal granules of mm size in Boat and cover the boat with a cover having holes on it.
24 March 2023 5,509 2 View
Trying to understand why my HYSYS file first converges and then says it can't converge after like 5 min. Is it just rerunning the simulation and doesn't work the second time?
22 March 2023 5,182 1 View
I’m hoping to get some RNA extraction help for getting high quality RNA (RIN>9) for Illumina Sequencing from mouse brain. I’m currently getting RIN 7-8 and here is my process: Perfuse mouse...
20 March 2023 7,240 1 View
Hi, everyone. I am doing CO2 reduction experiments and I wanted to use NMR to detect the liquid products formed. My media is organic (CH3CN). I have seen some similar works by Prof. Kubiak, et al....
17 March 2023 7,606 1 View
In urea synthesis process one of the components in ammonium carbamate, but is missing from Aspen Hysys. How can I simulate the process without this component?
13 March 2023 9,319 1 View
I've been consistently having problems getting the HeatX block to properly initialize at the output temperature, particularly for the cold stream temp spec. To be more specific, if I were to...
13 March 2023 7,661 0 View
Hello all, I have a list of SMILES indicating stereochemistry in excel. I need to do energy minimization on them using Avogadro in UFF Force Field, 4 steps aand Steepest Descent algorithm in the...
11 March 2023 3,038 0 View
Hello everyone, I am working on surface functionalization of calcium phosphate nanoparticle using APTES with ethanol as a solvent. Later on I'm planning to attach proteins on it. I've tried to...
10 March 2023 8,259 2 View
Hello, Does someone have any idea how can I calculate the surface energy of solid (blanket) by using contact angle measurement? What is the good module to do this calculation? Thank you
03 March 2023 6,598 5 View
We are trying to compare these two systems in the process of purchasing one of them. Our applications revolve around surface roughness quantification, mineral wettability evaluation, and surface...
01 March 2023 6,652 3 View
I want a circuit that will discharge a capacitor after some voltage say 100V. The capacitor will charge periodically upto 150 V. Whenever the voltage exceeds 100V I need to discharge it and the...
27 February 2023 6,630 3 View
Dear all, I would like to know to conduct an interfacial stability test or overpotential test for an electrolyte using Li/Li symmetry cell. How the settings in the GCD battery testing system...
26 February 2023 7,466 4 View
I am doing UHV thermal evaporation of Calcium metal from calcium metal grenules. For powdered oxides we use a cover having holes in it above the boat. Should I use same for calcium?
23 February 2023 9,308 3 View
Good afternoon, The link provided in the article to download the atlas no longeer works. Do you kown if an other way exists to download it? Thank you for your help!
17 February 2023 5,664 1 View
The graphs show information about the material being tested. What sort of information does each graph tell about the material? Please explain with real life example Thanks.
17 February 2023 3,899 1 View
In recent days, batteries have a lot of attention, especially for Electric vehicles. Besides Li-ion Battery, I've read about aluminium ion batteries, but I can't understand, Why aluminium act as...
17 February 2023 6,460 3 View
Dear All, can anyone explain to me how to measure the elastic modulus of a material through force-volume AFM curves? I am using Nanoscope Analysis software but the results seem not to be accurate.
16 February 2023 2,366 2 View