How to characterize the cluster structure of Cr3+ in aqueous solutions?

Hello everyone! I want to know the structure of chromite clusters in aqueous solutions. Is there any spectroscopic technique to determine their structures? Recently, I measured mass spectroscopy...

03 April 2017 1,547 3 View

The existance of NaCl in strong OH- solution in Hydrothermal condition? Is there NaCl6 clusters in above 200 oC hydrothermal condition?

Hi, world renowned scholars! I want to know the existance form of NaCl in high concentration of OH- (pH=14). Is there any experiment could do to prove or determine the existance forms: hydrated...

08 September 2016 2,214 3 View

How to determine the charge ordering type of perovskite structure manganites, such as La0.5Sr0.5MnO3, experimentally?

There seems to be 4 types of order in perovskite manganite, i.e. Type A, Type G, Type E and Type C, according to Goodenough (Physical Review, 1955, 100, 564-573). However, up to now, it seems that...

05 June 2016 4,951 4 View

How does Setting of Restraints in GSAS EXPGUI?

Dear Everyone, I read the GSAS Manual. But I cound not find setting Restraints in GSAS EXPGUI. Does the Restraints only be setted in GSAS-PC? Have you got any learning materials that can be shared...

04 May 2016 7,470 1 View

Why the HRTEM show the d-value of crystal lattice that never occured in XRD pattern?

Dear Everyone, Recently, I found a new method to prepare one phase of MnO2 from post-treatment of an mixed oxide. In my XRD pattern, there is clearly single phase epsilon-MnO2, which matches quite...

04 May 2016 6,348 4 View

Why my EXPGUI GSAS software cannot import powder x-ray data before 10 degree?

I want to refine my powder x-ray diffraction data with GSAS software in EXPGUI. However, the data before 10 degree could not be imported into the program. I wonder that there may be something...

04 May 2016 2,587 2 View

Application of materials with large coercive field?

Recently, I found a large coercive field (>10,000 Oe) in a transition metal oxides. I wonder to know that what kind of utility could it be appicated? Thank you for all the advice to my question.

02 March 2016 8,521 1 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

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

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

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View