Anyone here with an understanding of the Solid-state 13C-NMR of carbonaceous materials?

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Do you think can be any Uranium bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about Uranium ore deposits in world.

11 August 2024 6,720 0 View

Do you think can be any diamond bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about diamond ore deposits in world.

11 August 2024 2,167 1 View

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

If Banks do not provide credit facility, what are the options available for FPOs and impact on producer’s income?

10 August 2024 8,198 5 View

Controlling for pupil light reflex when analyzing pupil size time course?

I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...

10 August 2024 3,229 0 View

What are a “Farmers Producer Organization” (FPO) and its essential features?

10 August 2024 477 5 View

Strugglling with m6A dot blot any suugesstion ?

I have been doing the m6A dot blot for a while with no improvement, I am extracting the RNA, and I can see the dots although the three biological replicas give a different reading on the memberan...

10 August 2024 8,539 5 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

How to get moment output in Abaqus Standart?

I have input a moment load in module load Abaqus, i put my moment load on the node surface (using reference point). I have define moment in history output and make a set for moment too. But the...

08 August 2024 4,831 4 View

How is energy cycled through the Earth's climate system and how do matter cycle and energy flow through the rock cycle?

08 August 2024 8,162 0 View

What’s the cost of maintance of inactive coal fired plant of 1500 a mw with a chemney of 354 meter high?

One plant was closed it is uncertain what would be the cost of maintaining the infraestructure as industrial heritage. Any idea?

09 July 2024 7,969 0 View

Why there are no peaks at downfield NMR of Cobalt and Nickel complexes?

I synthesized some paramagnetic cobalt and nickel complexes (expected to be Co(II) and Ni(II)) using a bidentate ligand - N of pyridine ring (aromatic) and O of P=O (aliphatic), and I obtained...

03 July 2024 3,410 4 View

Formula for calculation of biomethane formation from coal in enrichment culture inside serum bottle??

coal samples are enriched in 100ml serum bottles. Methane concentration was determined by GC in percentage. How it can be calculated in metercube /per gram of coal or any formula to specify the...

17 June 2024 4,787 0 View

Why electric vehicles are called non polluting, when the electricity they are using is being produced from coal?

08 June 2024 6,632 7 View

Please share the HNMR sample preparation procedure for isotopic labelling test to confirm source of N2 during ENRR to ammonia.?

During electrocatalytic nitrogen reduction to ammonia, we perform isotopic labelling test using HNMR to confirm source of ammonia.

29 May 2024 5,165 0 View

Is there anyone that can assist be with removing excess 1-Iodo-Octane from from my product. Beside high vacuum distillation and kugelrohr what else?

I perform al alkylation reaction on an imdazole compound where the alkyl reagent (1-Iodo-Octane) was in excess. After the reaction was completed, I then performed an extraction, followed by...

24 May 2024 8,042 2 View

How about the latest progress in research on drones in coal mines?

Such as battery, localization, communication, safety and more.

21 May 2024 5,080 0 View

How to inerpret and assign NMR peaks?

I have done NMR analysis of exopolysaccharide samples. I have to identify the monosaccharide composition and the functional groups the NMR peaks corresponds to. Since, my EPS is unknown i am...

15 May 2024 7,631 1 View

How can I differentiate the -NH group in the backbone and -NH2 group in the side chain of my poly(glutamine) polymer sample?

I have synthesized a poly(glutamine) sample and am currently analyzing it using NMR spectroscopy. I am facing challenges in differentiating the -NH protons from the backbone of the structure and...

12 May 2024 9,656 7 View

Is the total transition from fossil fuels to renewable primary sources of energy feasible by mid-century?

The global call for net zero carbon footprint by 2050 has advocated for total transition initiatives from use of fossil fuels towards renewable sources of energy. However most developing...

22 April 2024 6,447 2 View