Optical direct band gap change with substrate, why?

I deposited Zinc thin films on two types of substrate materials, one is ITO and second quartz substrate. When I calculated optical direct band gap there is difference in energy for 0.2-0.4 eV...

03 April 2019 2,467 8 View

How would you extract lipids without using solvents?

I prepared cell culture with phospolipid of interest. However, in extracting it I shouldnt use any kind of solvent. What techniques would you use that dont have liquid phase for extraction of...

04 May 2018 2,895 6 View

How would you ionized Calcium carbonate without using aqueous solution?

most non aqueous inorganic solvent are poisionos, or they contain protons. What do you think is the appropriate method for CaCO3 disolution without using solvent? some crystals are pyroelectric,...

02 March 2018 1,209 0 View

Why Rolling Circle Amplification is not used more in molecular biology?

We didnt even mention it at my BSc and Msc study in molecular biology, I only heard of it in context of sensor material, dna origami and nano DNA senors. Is this technique new? or it was under...

02 March 2018 7,760 2 View

I have a problem obataing GIXRD results of Alluminium thin film. Why?

I used incidence angle of 1 degree. Aluminium and Aluminium Nitride via sputtering method. I didnt annealed substrates, Which I havent done also with Nickel and Copper thin film, but they showed...

01 February 2018 7,569 3 View

Can you suggest reliable in-situ technique for absorption kinetic of pollutant (heavy metals) to nanoparticles?

I would like to know if there is easy, cheap and straightforward way to determined removal rate of pollutants by nanoparticles? I prepared several types of nanoparticles, (bare, polymer coated,...

31 December 2017 3,779 3 View

How to improve spatial resolution in Computed tomography?

Hello, I wanted to know what is wrong with my CT (CAT scan) image. when I do medical imaging everything look normal and clear but after Multi Planar Reformation picture in sagittal and coronal...

09 October 2017 4,520 5 View

Why different stregnt of magnetic field in magnetron sputtering yield to different results, nitridification rate?

05 June 2017 7,175 3 View

Why wustite ( FeO) and nitride (FeN) have same picks in GI XRD?

Iron nitrides thin films were synthesised, and grazing incidence XRD was applied to characterise crystalline state, Picks confirms structure of FeN, but afterwards I used raman to confirm it is...

08 September 2016 3,261 47 View

Why is sorption enhanced in presence of magnetic field?

06 July 2016 4,359 8 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

Can linear DNA be used as template for site-directed mutagenesis?

Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...

03 March 2021 401 4 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View