How can I measure the laser damage threshold of the crystal if the damaged area is an irregular shape?

How can I measure the laser damage threshold of the crystal if the damaged area is an irregular shape?

27 November 2014 6,808 5 View

What is the suitable inorganic dielectric (gate) medium for a flexible field effect transistor?

For a flexible field effect transistor coated by thermal evaporation

11 May 2014 3,011 3 View

Is slow cooling or slow evaporation the best to grow high quality single crystal?

To achieve optical quality single crystal.

14 April 2014 3,339 4 View

What is meant by 'quadratic nonlinear optical'?

As above.

03 April 2014 6,045 2 View

By reducing the size of the material (ex. to less than micron) does the material have any change in molecular formula?

Let us consider an organic sample of benzene with the molecular formula C6H6. By reducing the size of the benzene (up to nano) is there any change in the molecular formula?

27 March 2014 8,703 4 View

What is the role of a reducing agent in organic samples?

I used diethyl ether as a reducing agent for my organic sample. By adding the diethyl ether rapidly to the organic sample the red coloured solution turns yellow. What is the chemical reaction...

27 March 2014 9,916 2 View

Is same structure possible in a crystal structure having two different spacegroups (Pna21 & P21)?

A newly solved crystalline material exhibits both Pna21 and P21. But there is no change in their crystal structure (ORTEP). The ratio of the starting material is different 0.5:1 (Pna21) & 1:1...

21 March 2014 323 4 View

What is the melting point of BNA single crystal?

Tg/dta

05 March 2014 6,496 3 View

What is the procedure to select a suitable solvent for organic single crystal etching studies?

Organic single crystal etching.

16 February 2014 6,297 1 View

What is the mechanism behind single crystals (especially for organic single crystal) having hardness increase when increasing the load?

As seen in many journals.

03 February 2014 1,071 3 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View