Where can I get extended and reliable data from seawater and oil production waters worldwide to do chemometrics?

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Does anyone know the name of this ophiuroid?

Animal collected in Brazil, southern region, associated with the sea urchin Echinometra lucunter. Only one animal was found.

28 January 2024 9,206 4 View

Why can't I replicate some cell viability results (resazurin)?

I have a compound (C23N3OH27) to repeat some results with a molecular weight of 361.48. The problem is that the results are not being the same, I am evaluating cell viability (K562 and KG1) with...

07 September 2023 6,135 1 View

How do I dilute some fungal extracts in DMSO and produce test concentrations with 0.1% final DMSO?

I have some fungus extracts to test against tumor cells (B16, K562, Kasumi-1, KG1), the only information I have about them is the amount in mg (4.37mg). How do I dilute them in DMSO? and how do I...

04 September 2023 8,847 2 View

Are there any papers on the application of jerk equations (third-order differential equations) in time series forecasting within econometrics?

I am currently exploring advanced mathematical techniques within the field of econometrics and am particularly interested in understanding how third-order differential equations, commonly referred...

02 August 2023 9,473 4 View

Why does oral cancer not have a screening test in addition to the oral clinical examination in order to detect it early?

Oral cancer has a high morbidity and mortality rate and clinical examination has resulted in late diagnosis. What reason has led to a delay in the implementation of a complementary screening test...

02 August 2023 7,082 4 View

Does EdU interfere with ATAC-Seq?

Hello all, I am preparing an experiment to evaluate chromatin accessibility (ATAC-SeqAssay for Transposase-Accessible Chromatin using sequencing) in a mouse model. Since the number of cells needed...

07 May 2023 1,041 0 View

Does ChatGPT capable of grade an answer writen in code for a given question in an exam with the same quality of a human professor grading?

I'm interested in know how well ChatGPT or other models of LSTMs are capable of grading a code basing on it's merits of how well designed and well coded are like a human programming teacher will....

03 May 2023 4,936 3 View

How to develop a 50-um thick layer SU-8 2050 (MicroChem)?

I would like to receive recipe suggestions for preparing 50-µm thick layers on Si using the SU-8 2050 photoresist.

18 April 2023 3,633 2 View

Hydrogen fuel station analysis on homer pro.How can ı get in hydrogen load and my electrolysis data on homer pro?

Hello In my project at my school, I need to design and analyze a hydrogen production fuel station via homer pro, but I did not know what to enter in the hydrogen load section in the load section....

30 December 2022 339 1 View

How can topics be segmented into clusters with LDAvis or pyLDAvis?

Dear community, I am conducting research on media representation and I am using the topic modeling technique. To visualize the models I have used pyLDAvis, which is very useful to explore the...

09 June 2022 2,740 1 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

Which Scopus Journal provides the most affordable fees?

"PUBLISHING IN A SCOPUS JOURNAL" Researchers are now at a cross road. The critical need to publish in a Scopus or ISI, etc journal is ever vital. Journal Publication fees must be submitted....

10 August 2024 8,621 1 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 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

Who will be moral responsible for the death of thousands of people in the event of an earthquake?

Who will bear moral responsibility for the deaths of thousands of people in the event of an earthquake? Weeks and months remain before the onset of strong earthquakes that bring death to...

08 August 2024 6,134 12 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

I need JCPDS file of LSFCO nanomaterial. Can anyone provide me?

Require for Rietveld refinement in XRD.

08 August 2024 3,081 2 View

How can we differentiate between calcite, dolomite, siderite, magnesite and ankerite minerals in carbonatite rocks in thin section under op microscop?

How can we differentiate between calcite, dolomite, siderite, magnesite and ankerite minerals in carbonatite rocks in thin section under optical microscope?

07 August 2024 2,132 3 View