I am looking for ways to optimize reverse osmosis membrane operation at at water treatment facility providing Demin water & Boiler Feed Water for Gas turbines.
According to WHO research, 20 million people in Bangladesh use tobacco in some capacity, and 57,000 people pass away each year from diseases linked to tobacco use, with oral cancer ranking second...
08 August 2023 7,175 1 View
As a materials engineer researching dental materials, I am currently investigating the effects of radiopacifier additives on dental cements. I am seeking guidance from an expert in this field, and...
06 May 2023 6,214 0 View
my regression is somehow stuck in certain number between 200, and i don't know why, i am already compared using 3 regression, i have 2300 data, and i split the train data and test data to (0.8 and...
13 November 2022 7,731 22 View
I am currently receiving more and more data for my research, and I already created a list of variables, which includes items (e.g. enjoyment1, enjoyment2, enjoyment3, ...) and several computed...
22 February 2021 10,111 2 View
Hello, How can i can hydrogen isotpes in Aspen plus ? Isotopes have same chemical formula but different atomic weight. so all isotopes in Aspen plus will have same H-H structure. In Aspen Hysys...
21 January 2021 7,245 4 View
In my opinion as the world has already moved to the online mode of education. Internet is the future as COVID 19 has paved ways to the future generation educational model. Now future is going to...
10 April 2020 3,225 10 View
Do the density of graphene oxide decreases by intercallating it with carbon nanotubes. It seems the density decreases due to increase in the inter layer spacing but I am ambiguous and need a more...
06 February 2020 4,982 0 View
I am studying the literature on thermoacoustic sound generation. The comparison of sound pressure level is being done at input power of 1 Watt. What are the parameters affecting the input...
03 February 2020 8,340 0 View
Ergonomic analysis
21 November 2019 2,657 7 View
The standard Industrial Practice is to change the MRO membranes every five years. But how do I gauge how long the membranes can last if I do not want to rely on typical Industrial convention?
01 April 2019 1,029 3 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 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
How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?
09 August 2024 3,291 2 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 View
One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...
08 August 2024 6,690 1 View
Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...
06 August 2024 4,953 0 View
Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
There are anaerobic gas pak jars and environment providers in the laboratory that provide anaerobic environmental conditions for the growth of anaerobic bacteria. However, there is no anaerobic...
05 August 2024 4,945 3 View
I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...
05 August 2024 3,290 1 View
I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...
04 August 2024 1,200 2 View