I wrote a mathematical optimization model on wastewater treatment systems, but after running the model i got the above error.
I am conducting a scale adaptation study on Amos. However, I am unable to validate the main model, which I attribute to the fact that several items are meaningless in our culture. The scale has a...
14 June 2024 4,344 5 View
I have prepared a map of a country using ggplot (R studio) and zoomed in Regions, zones, and a town. I want the three study sites to appear on the map(town). I have separate longitudes, latitudes,...
06 May 2024 9,416 1 View
I have observed a notable trend wherein individuals from diverse fields are transitioning towards domains such as data science, data analytics, and machine learning (ML). Concurrently, there is a...
28 April 2024 5,869 2 View
As a modern and digital teacher, how can you identify and evaluate them for usage in teaching and learning process
19 April 2024 1,218 1 View
Hi respected colleagues! While trying to form a second union of domains components in a 3D COMSOL model, I was met with the the response "Error while building 'Union 2' in Geometry: Boolean...
07 April 2024 861 5 View
Goal - Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all Target - Achieve higher levels of economic productivity through...
29 March 2024 6,157 0 View
Research
16 March 2024 766 4 View
16 March 2024 4,296 5 View
Typhoid fever has no animal models. However, recently, some mouse models have been reported
29 February 2024 9,678 1 View
I'm seeking information about photopipettes or microvolume spectrophotometers that can accurately estimate microbial growth in a culture using the OD600 technique in small sample volumes,...
21 December 2023 2,036 0 View
I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...
09 August 2024 9,621 0 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 3,289 1 View
What roles do microorganisms play in Earth's ecosystems, and why is their role so important and role of microorganisms in secondary wastewater treatment?
23 July 2024 5,031 3 View
I make polycrystalline diamond with tape casting followed by HPHT sintering. When i sintered the samples up till May, the sintering was good. When i sintered the samples in June and July at the...
16 July 2024 3,210 5 View
Dear all, We are producing activated carbon from hazelnut shells but have an issue about the dust of the a.c. granules also known as the dust film on granules. Linear vibrating seives doesn't do...
11 July 2024 9,781 2 View
Les géopolymères offrent plusieurs propriétés intéressantes qui peuvent être exploitées dans diverses applications innovantes : 1. Construction durable : - Bétons à faible empreinte carbone -...
10 July 2024 7,457 1 View
1.The topic I am going to research is "Advanced Gray Wastewater Treatment Output from the Biological Process by Iron-assisted surface adsorption and UV/H2O2". I think this method has been used a...
08 July 2024 9,464 1 View
Decentralized systems in resource-limited settings often struggle with efficiency, sustainability, and adaptability to local conditions. Could biomimetic and bio-inspired approaches offer...
01 July 2024 4,561 4 View
How can advanced wastewater treatment processes be integrated with real-time monitoring and adaptive control systems to enhance the removal efficiency of micropollutants and pathogens, while also...
28 June 2024 4,858 3 View
Specifically, how can these methods integrate various sources of pollution, such as agricultural runoff, industrial discharge, and urban wastewater, to provide a comprehensive and actionable...
27 June 2024 8,562 0 View