What's the effect of UF on the TDS and TH? reduction or increase? do you have any estimation on that?
What are the methods during synthesis procedure to prevent the agglomeration? Does compositing the nanoparticles decreases the tendency towards agglomeration?
03 April 2017 4,033 4 View
I'm going to find some probable solutions to my problem in Hysys simulation which is Temperature Cross in a heat exchanger? Could you please help me how to deal with the matter?
01 February 2017 2,350 5 View
Is there any order of magnitude for the density difference to claim on gas/gas gravity separation? Are the P&T important? For instance, I'm facing a huge drum filled with N2 & O2, fixed in...
10 November 2016 9,544 9 View
I have tried sol-gel method using the PEG 2000 and 20000 and the final result was yellow agglomerated granules on the surface without any connection to the substrate! I have some limitations such...
05 June 2015 4,011 3 View
I have a simple simulation of Haber process and just after attachment of recycle stream the simulation would be diverged. What's the major note to insert a recycle at a simulation?The file is...
31 December 2014 9,241 3 View
I need something like a Handbook to find the oxidation-reduction level of different materials such as dyes, and contaminates how can I find such thing?
31 December 2014 6,723 6 View
I want to link matlab with chemical process eng software "Aspen Hysys" I found I should use OLE automation for this purpose but I don't know exactly what's that?!
11 December 2014 3,361 8 View
I want to simulate something like a combustion with ration of air/fuel=2 at aspen hysys how can I do that?
10 November 2014 2,302 5 View
Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...
02 March 2021 3,024 2 View
I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...
01 March 2021 8,544 1 View
I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...
01 March 2021 9,525 4 View
I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...
01 March 2021 3,703 3 View
When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?
28 February 2021 3,864 3 View
there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...
27 February 2021 2,609 3 View
I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...
27 February 2021 8,483 3 View
Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...
26 February 2021 4,026 5 View
Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...
25 February 2021 3,443 4 View
I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...
25 February 2021 2,225 5 View