What is the different of C-F, C-F2 and C-F3 bond in C1s or F1s of XPS result?

I was measured the XPS of my FeF2 coated by carbon and got the XPS results of 288.5 eV and 292eV in C1s which were correspond to the C-F and C-F2, also in my F1s contain that peak of C-F and C-F2...

02 March 2019 7,854 8 View

Why nitrogen doped has bad performance in sodium ion batteries?

I was made fef3 materials with n doped carbon and without n for sodium ion batteries but the performance of n doped sample always inferior than without n doped, not like in lithium ion case. I...

07 August 2018 1,269 1 View

Why nitrogen doped has bad performance in sodium ion batteries?

I was made fef3 materials with n doped carbon and without n for sodium ion batteries but the performance of n doped sample always inferior than without n doped, not like in lithium ion case. I...

07 August 2018 6,883 3 View

Why graphitic carbon can improve the conductivity of active material for Lithium or Sodium Ion Batteries compare with amorphous carbon?

Actually, I'm a little curious what makes graphitic carbon has better conductivity compared with amorphous carbon? -Thanks-

03 April 2018 8,203 0 View

What the best method to preparing sample for TEM measurement?

I have matrial FeO containing graphitic carbon from MOF Fe and when I did TEM measurement: 1. I using big consentration between my FeO and ethanol and then sonication for 5 min, and the result of...

10 November 2017 9,902 7 View

What's the proublem with my cell if when I tested it showed like spike patern at voltage or current graph ?

07 August 2017 3,281 2 View

Is it possible for change carbon material to become silicon for Lithium Ion Battery?

07 August 2017 5,708 4 View

Which the best way to release hydrogen from MOF for produced energy ?

07 August 2017 3,961 3 View

How we know we success Nitrogen doping or not

I doped MOF and burn with high temp. and how I know I success with doping?

06 July 2017 4,216 11 View

What is the impact of graphitic carbon and just carbon for li ion battery? which is the best?

05 June 2017 6,819 2 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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View