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Questions related to Chemical Engineering
Most of the literature assume 40, 50, 60 % of Co conversion on a cobalt based catalyst. The point is, I can't understand how the same identical catalyst is being analyzed and assumed to have...
16 November 2022 4,112 0 View
I'm using stainless steel mesh as an anode electrode in my microbial fuel cell. I run the MFC for 2 weeks. My issue is, when I'm reusing the same electrode for a new batch of MFC, the current...
10 November 2022 9,557 0 View
If I connect the dual-chamber MFC to a multimeter and record the voltage, does the voltage recorded is what we called OCV? or is there any other specific way to measure OCV?
10 November 2022 4,286 2 View
In Fused Deposition Method (FDM), coatings are needed to bind with textiles materials and having used PLA polymer or PMMA polymer for 3D printing of and onto textiles for the most recent trend. In...
06 November 2022 6,905 3 View
My thesis is Modeling unsaturated consolidation of tailing material and then verify the model by centrifuge tests. I am looking for the best software to simulate the materials piled up at upstream...
02 November 2022 3,750 3 View
Hi, I am working in Quantum Espresso. I have calculated the band structure by taking k-points from XCrysden, and the unit is in "crystal". I need those values in Angstrom. How to convert? Can...
02 November 2022 5,293 1 View
I want to do the SEM and TEM of Fe3O4 nanoparticles to confirm the particle shape and size
26 October 2022 9,393 7 View
I'm trying to design a pilot plant process for the conversion of methane into hydrogen and solid carbon via molten metal catalytic cracking, and I'm struggling to find a good resource to follow...
23 October 2022 8,169 3 View
For instrumental broadening correction, we use caglioti formula which relates FWHM and diffraction angle (2theta). How can the same instrumental broadening correction be introduced when I am...
16 October 2022 2,693 4 View
I'm thinking about measuring TOC for leaves, stems, and root samples with the TOC-L Series (Shimadzu). What's the optimal method of preparing samples for such measurements?
15 October 2022 4,064 1 View
Hello, This might be a very ridiculous general question but here we go: I am trying to find kinetic parameters for the metabolism of a drug by the enzyme CYP3A4. The problem is, all literature...
06 October 2022 5,038 8 View
For most conditions, friction is not affected by surface area as the coefficient of friction (mu) is constant. That is my understanding. However, I thought I recalled an example where this...
03 October 2022 1,306 1 View
I'm trying to fit my equilibrium data to the Hill de Boer and Fowler-Guggenheim models. I've found a paper Article Modeling of adsorption isotherms of phenol and chlorophenols... which...
03 October 2022 2,121 8 View
Hello, I am seeking recommendations for EIS work stations capable of probing systems generating ≤100 W and approximately 200 mA/cm2. Expected voltages would be
30 September 2022 2,903 0 View
I need help to get the respective version of the control software of Perkin Elmer Autosystem XL Gas Chromatograph TotalChrom Workstation Version 6.3.1. We have got the machine but the software is...
28 September 2022 7,595 0 View
If we have an suspension culture of cells and If we have to check that that the cells in the culture are in which growth phase (lag,log, stationary or death) So,how can we check it?
26 September 2022 7,354 0 View
I used "vdw_corr = "XDM" in &system in the nscf-calculation after performing the scf-calculaiton. I obtained "xdm.dat", but it is binary. To plot it, I tried to use pp.x. But I cannot find...
06 September 2022 7,019 0 View
Hi guys. I am currently working on writing VUMAT subroutine to develop new damage model. To check if it works well, I ran a simulation with a simple model. Detailed model conditions are as...
04 September 2022 9,059 0 View
What is permissible limit of COD, Fecal and total coliform in in surface or river water according to BIS/WHO standard?
02 September 2022 2,493 2 View
Fcc/bcc metals do not show Raman spectra. However, I have studied pure gold with Raman (532 nm laser, 30 mW on sample) and found a strong and asymmetric band at 76.0 ± 1.1 cm-1. Natural gold shows...
26 August 2022 9,272 3 View
I've cultured pseudomonas aeruginosa in a tryptic soy broth. After incubated overnight, I've found out there's a clumpy formation in it. Is it suppose to be like that, or it was contaminated?
15 July 2022 2,181 3 View
I am working on material studio 2020, CASTEP module, when I optimize the geometry, I am getting this message at each job failure [mpiexec@Rahat-Saqfi] ..\hydra\pm\pmiserv\pmiserv_cb.c (863):...
13 July 2022 7,974 5 View
Aspen process economic analyzer
12 July 2022 9,271 1 View
Hello everyone, I have ordered this product ( A16198 Heparin sodium salt, from porcine intestinal mucosa, IU>=100/mg). The content is 250mg powder. So, I would like to reconstitute it in...
22 June 2022 4,969 0 View