How Aromatic Protons' Chemical Shift Values ( ppm) are very close to each other in Nuclear Magnetic Resonance Spectroscopy of Aromatic compounds?

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What is the recommended proportion of adaptors and non-adaptors of agricultural Technolgies adoption?

Many papers use a larger proportion of non-adopters as compared to adopters for adoption studies. However, there is no common logic among these papers in the proportion of adoptors and...

23 January 2024 7,957 0 View

Which test programs could be developed to come to an enhanced understanding of the impact-dynamic mechanical properties of Metal Lattice Structure?

Additively Manufactured Metal Lattice Structures

10 January 2023 8,372 1 View

Is there any place to download regional CMIP6 data?

I want to get the CMIP6 data set for the eastern Africa region but I couldn't get a way to approach it. Is there anyone with such information?

06 July 2022 137 3 View

Which techniques of methane emission measurements are commonly applicable for developing world?

In developing countries, highly sophisticated technologies for methane emission might be expensive. I am seeking technical advice on easily applicable and efficient techniques.

04 July 2022 5,338 0 View

Do you think that education always have positive impact on economic development?

I perceived that rural community members with ample experience tend to participate on various agricultural development activities than educated one (who are searching for other employment...

24 June 2022 1,663 11 View

How can I draw graphs of generalized petersen graph?

I am doing research on generalized Petersen graph. but I can't draw its graph on Latex, please give me hint on the package and commands to draw this graph on Latex.

16 March 2022 5,031 4 View

Can I use Wilcoxon signed rank test, to test if there is seasonal variation in abundance between seasons?

I have species abundance (different sp.) data collected from 6 sites at two different seasons. I want to test if there is seasonal variation in the bundance of species by using the Wilcoxon...

20 February 2022 5,278 5 View

Which CMIP6 models are suited to use in Eastern African climate change projection? Is there any suggestion in selecting appropriate models?

I am interested in working climate projection and the probable impact of climate change on water resources in Eastern Africa. Which CMIP6 models are suited to use in Eastern African climate change...

09 December 2021 8,368 3 View

Is there any free climate modeling software?

I am going to use climate models in working climate change prediction. I want to get if there are software other than EdGCM.

01 June 2021 4,044 6 View

Does anyone know what non-specific black dots are in Von Kossa staining and how to get ride of them?

I have been doing Von Kossa staining of heart sections using MaterTech stain kit. There are black dots that seemed out of place, and I am not sure they are real calcium deposits or just artifacts...

10 September 2020 8,357 2 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Why don't d-orbitals split themselves, why does it take a ligand? why don't protons from ligand repel nucleus split d-orbitals?

why don't d-orbitals split themselves because of themselves without the presence of ligands? Electrons are indistinguishable. Why wouldn't it be more correct that protons from a ligand split the...

03 August 2024 3,589 3 View

Why doesn't chromium 2+ ion use all its d-orbitals to receive lone pairs from six waters in [Cr(H20)6)]3+?

I'm guessing it's because the ligand experiences too much electron repulsion or proton repulsion from the chromium to insert them close to the 3d-orbitals which are close to the metal nucleus. Is...

03 August 2024 1,370 1 View

Why aren't most metal oxides insoluble in water?

Why BaO (s) + H2O(l) ---> Ba 2+(aq) + 2 OH - (aq) if Oxygen loves owning all the electrons, why would it bind to hydrogen which competes with Oxygen for electron ownership more so than...

03 August 2024 5,392 1 View

Why do paired electrons atoms produce no magnetic field lines?

If you think of electrons with spin as bar magnets, you know bar magnets of opposite polarity as long as they're not occupying the same spatial location don't cancel out each other's magnetic...

03 August 2024 3,927 2 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,227 1 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

IHC profiler in image j software. has anyone used it to quantify nuclear DAB positivity?

Dear researchers. I tried using the IHC PROFILER in image j to quantify nuclear DAB staining. I followed the instructions in the original article by "Varghese F, Bukhari AB, Malhotra R, De A...

29 July 2024 2,229 0 View

What change would occur in physics if the three different sizes of the proton and the two sizes of the deuteron accepted as new physical constants?

For people today, the enigma of the size of the proton still remains enigmatic. However, being myself a researcher in new physical theory which makes it possible to extend the different standard...

28 July 2024 7,823 1 View