The appropriate model must therefore be able to express non-temporal constraints. Interval Petri nets are well suited for modeling quantitative constraints using the same concept of temporal constraint representation in a temporal RdP.
I need CEL1 enzyme to use it in my laboratory work to complete my PhD thesis. Unfortunately, I didn't find it anywhere. So I'm waiting for any request about companies name where is available or...
31 October 2023 289 3 View
Does the % peak area of a GC/MS chromatogram correspond to the mass percentage?
03 September 2023 6,924 5 View
We are trying to sample PMMA's combustion products and are looking into the amount of MMA in the "smoke". We are looking into air sampling possibilities that don't involve the desorption of MMA in...
13 July 2023 9,675 0 View
How do we use chaos theory in supply chain network design? Please send your suggestion
08 July 2023 794 3 View
Hello, we have standard solutions of VOCs (benzene, toluene, ethylbenzene, xylene, styrene) that come to us in ampules. The solvent is methanol. Once we open these ampules, we transfer them to...
25 June 2023 909 2 View
Can someone explain the chemical phenomena behind this? I spike my sorbent bed (tenax ta) with benzene, toluene, ethylbenzene, xylene, styrene, naphthalene, pyrene, and benzo[a]pyrene. The boiling...
15 June 2023 9,075 1 View
Hi everyone, I am a Ph.D. student and I am working on the production scheduling of an open-pit mine by genetic algorithm, and I have a problem with converting infeasible sequencing to a feasible...
04 June 2023 9,925 4 View
When i run the command to calculate the H-bonds ''gmx hbond -s md.tpr -f md_center.xtc -num hb.xvg'' I can't find anything ( the file hb.xvg does not contain the number of H-bonds). I also...
05 May 2023 3,464 8 View
I was told that it's best to develop my GC detection and quantification method with the single quad mass spec and then switch the method to FID to generate the calibration curves and do...
22 March 2023 9,650 4 View
what is the lowest number that we can consider for Cells per wavelength in cst meshing? Is there any complete tutorial for meshing?
03 January 2023 5,113 1 View
I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?
11 August 2024 3,115 1 View
I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...
10 August 2024 4,005 2 View
Usually, additive manufacturing techniques like SEBM, SLS, and SLM are used for interconnected porous lattice structure generation with sizes of >100–200 micrometers. Can the Fused Deposition...
09 August 2024 7,892 0 View
I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...
09 August 2024 5,048 2 View
I am trying to simulate vehicular loading on an orthotopic steel deck bridge section in ABAQUS software. The red arrow mark in the attached figure indicates the direction in which the vehicle will...
08 August 2024 719 0 View
Dear fellow researchers, I am currently working on a paper where I need to provide a reliable reference that defines and distinguishes between 3D mesh models and 3D city models. Although I am...
06 August 2024 9,986 2 View
The political participation of the Kirat Rai community in Nepal has evolved significantly over time: Historical Context Historically, the Kirat Rai people, like many indigenous groups in Nepal,...
05 August 2024 5,950 1 View
I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...
05 August 2024 454 3 View
I am seeking experimental or applicable data for the liner (LLDPE) interface in FLAC3D numerical modeling of a large stockpile. Could you please recommend suitable references? The preferred data...
05 August 2024 3,665 0 View
I am working on a SEM model where i have 7 latent variables (6 exogenous and 1 endogenous). In AMOS when I co-vary the exogenous constructs, only 2 paths are coming significant out of 6. But when...
03 August 2024 6,028 4 View