What are the standards (Water quality items and limits) of industrial effluent for direct discharge into water bodies in the US and European Union?

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What do you know about classroom management?

Hello, if possible, please send me new methods of management and communication in the classroom. thank you؟

18 June 2024 4,139 3 View

How do we measure the electrical conductivity of this magnetic nanocomposite?

A magnetic nanocomposite has been synthesized and its electrical conductivity needs to be measured. What analysis and technique can be used to measure the electrical conductivity of this magnetic...

16 June 2024 7,488 3 View

Is it possible to estimate Horizontal in-situ stresses' directions and magnitudes from seismic data by using AI methods?

We know that one of the important members of a 3D Geomechanical Model is in-situ stresses' directions and magnitudes. we can use the seismic data to estimate these parameters in special record...

21 May 2024 1,332 2 View

Hello. why do we measure surface tension?

surface tension

20 May 2024 4,895 1 View

What are the S-scheme and Z-scheme heterojunctions in photocatalytic systems? for the types of heterogeneous photocatalysts, how can you determine?

what are the S-scheme and Z-scheme heterojunctions in photocatalytic systems? and for the types of heterogeneous photocatalysts, how can you determine the type of S-scheme and Z-scheme?

16 May 2024 1,545 1 View

Why is my first article being rejected fast by related journals?

Hello everyone, I hope you are all doing well. I have already checked plagiarism, related articles’ structures, and grammar, and they seem fine, but good impact factor journals that I have written...

15 May 2024 1,007 4 View

Altitude control of a quadrotor ?

hi there i'm working on quadrotor path tracking in matlab's simulink . there is an inner loop which is responsible for tracking the desired euler angles generated by the outer loop . feedback...

05 May 2024 7,705 5 View

How to perform LC-BLYP calculation with GAMESS?

Hello Dears, I am currently working on time-dependent density functional theory (TDDFT) calculations for both singlet and triplet states using the LC-BLYP functional in GAMESS. I believe I have...

01 May 2024 4,614 0 View

Does Baicalein interact with DMEM high glucose or FBS?

greetings, I'm culturing SW480 cells on DMEM high glucose gibco with FBS. When I'm performing MTT Assay, upon treatment of cells with Baicalein, the color of medium with 5% FBS changes to dark...

25 April 2024 7,115 4 View

I'm getting error:( Domain error. To compute complex results from real x, use 'sqrt(complex(x)) ) in simulink?

hi there . i'm currently working on a thesis which involves designing a fast nonsingular terminal sliding-mode controller for attitude control of a quadrotor. the outputs of sliding mode...

20 April 2024 425 2 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

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

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

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

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

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

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

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

How to Add Missing Water Molecules in Protein-Membrane Simulations?

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

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View

How do living organisms play a role in the water cycle and why is nonpoint source pollution potentially more harmful than point source pollution?

01 August 2024 7,061 2 View

Do we save MSMEs of the Nation ?

SMEs are backbone of the country's white economy, most of them are II generation entrepreneurs and migrated from family owned business policies, and having sufficient higher educations for...

01 August 2024 5,562 2 View

The use of data from PubChem for commercial purposes?

Hi, I'm curious to know if data on chemical compounds from PubChem, such as water solubility properties, can be used to train a machine learning model for commercial purposes. Will this infringe...

30 July 2024 8,707 1 View