How to perform XRD Analysis of Catalysts supported on Carbon Gas Diffusion Layer?

Hello, I'd like to analyze a copper catalyst dispersed on a carbon GDL. The thickness of the sample is about 200-250 microns. Does anyone developed a method for analyzing this kind of samples....

05 June 2019 521 3 View

Database software for storing and managing expeimental data for chemists and chemical engineer from crandle to grave: Is there anything in the market?

Hello, I was wondering if on the market is present any customized GUI based database for handling experimental data which is easy to use and personalized for chemists or chemical engineers and...

08 September 2018 9,063 0 View

Good books for beginners in Electrocatalysis?

Hi I was looking for good books in electrocatalysis for students. Do you know some good books starting from the very basics, reporting also good worked examples and possibly exercises?

31 December 2017 169 3 View

Activity coefficient Calculation in Aspen Hysys, is it Possible to retrive this parameter for a solution?

Hi, I was curious about the possibility of retrieving the "activity coefficient" of solute in a solution by using methods like UNIFAC or NRTL. In Aspen Plus it is possible to retrieve these...

09 October 2016 1,766 6 View

XRD Analysis - Looking for a good Introduction

Hello, does anyone know a good concise basic introductory book or other kind of source or course where I can find a good introduction to XRD with applied solved problems? My field of research is...

07 August 2014 9,450 7 View

How can I determine the tortuosity factor in a porous membrane?

I use AAS membrane with the a porosity of the finer layer of 70nm as a contactor.

01 February 2014 5,321 10 View

Is it possible to determine Metal surface area on structured supports like Honeycombs or membranes?

Usually these supports are very big and inhomogeneous in terms of distributions of active particles, so, how could be measured the specific MSA (m^2/g active phase, ex platinum)? Can you advice...

01 February 2014 388 7 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 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

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View