Data balancing before test/train split or only training data balancing. which is correct?

While reviewing technical articles, I encounter some papers where authors have used data balancing before splitting test and train (on full data), and some only balanced training data and let the...

04 February 2021 1,446 0 View

Mental health of COVID-19 Patients?

We want to conduct a study on the mental health and psychological problems in COVID-19 patients and would measure it in terms of Anxiety by Beck Anxiety Inventory, Depression by Patient Health...

02 February 2021 6,401 6 View

Is PV array not available in MATLAb 2020a simulink?

I have MATLAB 2020a. PV array is not present in the simulink library. Can anyone please explain if the name of module has been changed or is it not available anymore? Is there any way to add PV...

24 January 2021 7,962 5 View

Why mutual inductor takes high current at no load condition?

I simulate an inductive wireless power transfer system in matlab. I set the primary and secondary mutual inductor resistance is 0.3ohm. So when i run the circuit it took high current at no load...

29 December 2020 9,536 3 View

What counts as publication in scholarly journals?

Hello Seniors! Please guide me, what counts as a publication in a scholarly journal? e.g. book reviews etc.

24 December 2020 10,038 1 View

Does book Review in scholarly journals counts as a publication?

Does book Reviews written for scholarly journals or in a magazine count as a publication?

24 December 2020 2,265 3 View

Does Preprint research article count as a publication?

Hello friends, my article has been published in AIJRPreprint online and it is also available on Google Scholar. Would it be count as a publication in my CV? Thanks

23 December 2020 3,332 11 View

In ELISA should we use p-nitrophenyl phosphate (pNPP) substrate mixed in distilled water or we should mix it in Diethanolamine buffer?

We are performing an ELISA experiment to determine the binding of Complement antibodies against P. aeruginosa. We have pNPP substrate (Thermo Scientific cat # 34045) instead of pNPP tablets. We...

22 December 2020 2,020 3 View

Why so different behavior of gravitational force ??

If a lift is falling freely with "g", the person inside will be experiencing or feeling No force, and he becomes weightless, means force of gravity is constantly acting and producing "g", but the...

06 December 2020 6,721 1 View

What will be the form of vander wall and DL term in DLVO theory for cellouse nanofibrils?

Hello I am using C-CNF in DI water and dip a flat polymer in the solution to form CNF coatings on the polymer. since DLVO didnt account for size and shape of the molecules to cause forces flat...

21 November 2020 2,308 4 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View