effect of enthalpy
Please shar refences
13 January 2024 2,586 2 View
Is the formula for calculating the viscosity of non-Newtonian fluids the same as Newtonian fluids?
16 December 2023 2,837 12 View
آHello all dear What reference should I use to calculate the heat transfer coefficients of plate exchangers that has step-by-step solutions?
19 November 2023 8,133 5 View
How can I do calculations and scale up? Can you send me some references ? Thanks in advance
15 November 2023 4,864 7 View
Thanks in advance
14 November 2023 6,857 7 View
Hello all dear If you have any references, can you share me? Thanks in advance
11 November 2023 6,766 3 View
Hello all dear If you know any reference or website about this subject, please share it with me Thanks in advance
08 November 2023 3,272 4 View
It's a tube & shell exchanger
29 October 2023 10,019 17 View
Hello all dear It happens at a constant temperature of 140(Tb) The composition is similar to gasoline Can you introduce an equation? Thanks in advance
18 October 2023 9,317 4 View
I have two values of cp at 100 and 140 degrees
16 October 2023 1,860 10 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...
03 August 2024 4,725 2 View
Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?
01 August 2024 7,504 2 View
99% pure ethanol was used for maceration also alternate methods along with the temperature and time to concentrate the extract can be specified
31 July 2024 5,113 4 View
I have different polymer solutions and I hypothesize that water molecules are retained based on the water-polymer interactions, so the amount of free water is less to intercat with drug tablet....
28 July 2024 9,545 6 View
Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?
22 July 2024 1,210 2 View
Is it the best optimization ratio based on experiments?
22 July 2024 8,170 0 View
If you don't understand my question let me know
21 July 2024 563 1 View
I used several solvents and measured the absorbency and determined the total phenolic content, but the results were similar after dropping them on the titration curve; What is the reason, please help
17 July 2024 5,151 5 View
Hello everyone, I am facing a consistent issue in my NMR spectra with an unwanted peak appearing at 1.25 ppm. This peak seems to vary with the amount of sample: it becomes more pronounced with...
15 July 2024 9,065 4 View