Which softwares are useful in graph theory and in particular in spectral graph theory?

Path Eigenvalues and Path Energy of Graphs

19 September 2020 8,258 7 View

Is it possible that FWHM is same for all the XRD peaks of a particular material?

Hello, I am doing XRD data analysis of a certain material which may have more than one phases. While calculating crytallite size I noticed that almost all peaks have same FWHM except 3 peaks. Can...

03 February 2020 7,303 1 View

Where do we get characterization of nano materials like XRD,SEM,FTIR and dielectrical and magnetic studies as early as possible?

Where do we get characterization of nano materials like XRD,SEM,FTIR and dielectrical and magnetic studies as early as possible? Please help us.

20 December 2019 1,516 3 View

What is the minimum time required for a standard ligation reaction using T4 DNA ligase at 1U/ul concentration?

Hello everyone, I have a vector backbone of 5.5Kb in which I need to ligate an insert of ~600bp. The Roche T4 DNA ligase manual I'm using says ligation should be kept for 16h @ 16 deg. Celsius. My...

17 December 2019 4,523 8 View

Is it possible for an E. coli cell to have different morphology during growth?

I have been growing E. coli host in SM6 medium for fermentation. During the run, I did microscopy and found long filamentous rods, which are Gram negative. I have started searching literature for...

13 May 2019 879 8 View

Which are the new novel Solar cell materials?

Which are the new novel Solar cell materials? We are new to this field. I have to synthesis these materials through PVD process.

13 November 2018 7,389 4 View

How to write a better research projects? Kindly share some samples in material sciences?

Dear Sir/Madam How to write a better research projects? Kindly share some samples in material sciences? I am working in the field of ferrites and ferroelectrics. KIndly share some documents or...

17 October 2018 8,848 3 View

Need to know if higher IPTG concentrations make E. coli expression host undergo a metabolic stress?

Hi, I have been titrating best IPTG dose for highest expression of my GOI. However, I found that after a certain concentration (2.5mM), post-induction OD600 of culture shows lesser growth and as a...

28 January 2018 1,522 3 View

What is the best way to purify tagless and soluble TNFa?

I expressed TNFa in E. coli BL21 (DE3) host and got satisfactory expression. The protein is tagless. My question is how do I purify it? Which chromatography techniques can I use and what should be...

22 September 2014 918 17 View

Electrolytes in Supercapacitors

Hi, Can anyone help me, I want know, which materials can we use as electrolytes in Supercapacitors other than Potassium hydroxide and Sulfuric acid. For better power density or energy density.

05 October 2010 8,863 3 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View