What is the effect of magnetic Fe2O3 nanoparticles in Photocatalysis?

10 November 2014 7,404 3 View

Why is there no absorption spectra of TiO2, RGO observed when added to CuS?

I prepared CuS nanoflowers, CuS-TiO2, CuS-TiO2-RGO and clearly observed the adhesion of TiO2 nanoparticles on the petals of CuS flowers through SEM images. In case of absorption spectra I didn't...

10 November 2014 9,375 3 View

What is the band gap type of CuS-TiO2?

I have prepared CuS covellite phase and TiO2 anatase phase. Suggests some references how to calculate direct band gap or indirect band gap semiconductor.

09 October 2014 2,799 4 View

I need this book "Structural Inorganic Chemistry By A.F. Wells, 5th edition, Oxford University Press".

If any one has this book ( soft copy) please share with me. it will be grateful to you. I searched in our library it is not available so, suggests me how to get online.

08 September 2014 6,964 4 View

How do we calculate percentage of composition of different compounds from XRD pattern?

I prepared a sample which contains mixture of compounds and i got XRD pattern for the same but I need to calculate the percentage of composition of each compound through Rietveld refinement...

08 September 2014 2,234 4 View

Can anyone teach me how to synthesize very small size Fe2O4 nanoparticles?

I would like to synthesize Fe2O4 ferromagnetic nanoparticles around 10-20 nm in size. Can any experts in the same topic suggest to me the method to synthesize the Fe2O4 nanoparticles, if possible...

08 September 2014 1,250 6 View

Can anybody suggest a good book or material regarding BET surface area of nanomaterials especially for metal oxides?

07 August 2014 1,488 3 View

How do we calculate d-spaces from SAED pattern?

I have taken SAED pattern of my Titania sample. It is showing that the sample is polycrystalline with clear boundaries. I calculated d-spaces using Image-J, but the d-spaces values are not...

05 June 2014 6,114 18 View

What is the best composite material to use with TiO2 as a photocatslyst for Hydrogen production?

Many Researchers have prepared tiO2 composite materials? But I want to know which type of composite materials works better with TiOs for Hydrogen production? Does RGO work better?

05 June 2014 4,748 4 View

Can you suggests what is the best core/shell composite for Photocatalytic hydrogen production?

I am planning to prepare core/shell composites for photocatalytic hydrogen production. Could you suggests some best composites and method of preparation?

05 June 2014 9,494 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

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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View