How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

Can wavelet packet sub-bands be stacked together to form an image?

I have a 1D signal and I have done wavelet packet decomposition on it which is giving several sub-bands. Can I stack these sub-bands (one below other) to form a 2D matrix and hence an image...

27 November 2020 1,269 5 View

Why the IT services companies (based in India) are mainly patenting only at the USPTO?

Please suggest some papers/reports on the changes in the policy with respect to patenting of computer software in India. Does it have any implications as to why the IT services companies (mostly...

12 November 2020 8,351 1 View

How to find optimal doping concentration in BoltzTrap?

Hi , I have plotted Seebeck coefficient and electrical conductivity as a function of carrier concentration at 300K from result.trace file by calculating in BoltzTrap. Now my question is what will...

15 June 2020 7,042 1 View

How to increase the resistance of low thickness Silane coating against alkali at elevated temperature?

I'm facing a problem when I'm placing one drop of 1% NaOH on my silane coated metal panels and are heating them at higher temperature for example 80 C for 30 minutes or 55 C for 4 hours. The...

05 March 2020 8,332 6 View

Why does HeLa transfected with connexins grow at a much slower rate and form colonies ?

I have two cell lines, one is the wild-type HeLa Cell Line (wt-HeLa), and another is a virally transfected with Connexin-43 HeLa Cell Line (HeLa-43). I have grown both the cultures overnight,...

01 March 2020 8,106 3 View

Is Diethylamine detectable in UV/Vis spectrometer?

I tried to analyse diethylamine in hplc with UV detector but it was not giving satisfactory results. Will using UV/Vis spectrometer in case of diethylamine will be usefell?

27 February 2020 8,686 3 View

What may be a sustainable agronomic approach to manage paddy residue as an alternative to open field straw burning?

Open-field paddy straw burning has increased excessively over the last few years. Sustainable paddy straw management can help to reduce the environmental hazards and increase income from rice...

18 February 2020 855 4 View

Does the aqueous extract of Neem bark have same constituents and composition of any other organic solvent extract of Neem Bark ?

I am trying to do an experiment where I examining the effect of Neem Bark Extract on cells. I have two sources for the extract. a) Self-made Methanolic Neem Bark Extract and b) Aqueous Neem Bark...

07 February 2020 3,076 3 View

I performed a DSC experiment in Alumina (Al2O3) crucible. The alloy appears to have reacted with crucible itself. What can be the reasons for this?

I am working on Zr based metallic glass which reacted with the Alumina crucible in which I was performing the DSC experiment. Kindly suggest possible reasons for this anamoly.

23 January 2020 8,039 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 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