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Questions related to Chemical Engineering
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 3,083 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 8,267 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 6,607 5 View
Can I use hydrothermal method or direct Ultrasonication?
03 March 2023 2,910 9 View
Does black carbon cool the Earth and does black carbon increase surface albedo and does some amount of energy is reflected to the atmosphere?
02 March 2023 8,681 4 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 6,661 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 6,654 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 7,475 4 View
I made epoxy Soybean oil but i want to know how to detect the epoxy value of the product.
25 February 2023 4,357 0 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 9,317 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 5,674 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 3,906 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 6,469 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 2,376 2 View
what should be the minimum and maximum inter electrode distance in the electrodialysis recovery of metal ions and is there any books or articles that discuss about the inter electrode distance in...
16 February 2023 7,414 0 View
I would be interested to know if you have any thoughts on how this limitation could be addressed, since usually the S/B ratio affects the Hydrogen concentration positively.
15 February 2023 6,824 1 View
Probabilistic modelling, Forecasting, Renewable energy uncertainty prediction, ARIMA
15 February 2023 4,986 5 View
I am trying to do a I-V curve simulation for pristine graphene using DMOL3, however it seems, dmol3 is unable to converge the transport even for the simple graphene. Is there something I am...
06 February 2023 3,406 0 View
We have a mixture of dichloromethane (DCM-0.8 mole%) and hexane-0.15% (hexane-1, hexane-2,hexane-3, hexane-4) mixture. Give suggestion / method to separate to get pure DCM (99%).
04 February 2023 2,962 1 View
so how to prepare input file in ORCA manually,but ORCA does not have the COSMO solvation Moddel.please help me
04 February 2023 6,172 1 View
The conversion of sugars into bioethanol occurred in the fermentation medium. However for GC analysis, in capillary or packed column, water is biggest enemy for instrument. still in need of...
01 February 2023 7,578 2 View
For example scan rate of 2 mV s−1
01 February 2023 5,300 0 View
Hello every one , i use x-ray microanalysis for sample include multi elemental composition i will identify the element with a concentration less than 5 wt% is difficult cause of week and noisy...
25 January 2023 8,411 3 View
What is the main differences between the concentration polarization and fouling in membrane separation process?
25 January 2023 4,893 2 View