Please share some research papers on the synthesis of Mn3O4 nanoparticles via Hydrothermal method by using Manganese(II) nitrate hydrate?

05 January 2021 9,040 4 View

Why isn't UV Laser based PCB manufacturing more mainstream yet?

While feeling the shared pain of costly and slow PCB Manufacturing process. Which also makes the hardware creativity and education much costly and slow. I was trying to figure out how can we...

14 December 2020 1,484 1 View

What is the role of Thermal Activation Energy (Ea) in the conduction mechanism of High Resistance State of Resistive Switching Memory Device (RRAM)?

The temperature dependence of the resistance (R-T) measurement of High Resistance State (HRS) gives the thermal activation energy (Ea) using Arrhenius equation as given below R=R0exp(Ea/KBT) So,...

16 September 2020 3,008 6 View

How to calculate the Tolerance Factor (t) for Tetragonal Spinel Mn3O4 ?

I want to calculate the tolerance factor of tetragonal spinel Mn3O4. Most of the researcher follow Gold- schmidt tolerance factor (t) formula for Perovskite not for spinel materials. Please...

26 June 2020 1,236 5 View

Can High or Low Blood Pressure (B.P.) be considered as a one of the primary symptoms of Covid19 disease ?

Researchers and WHO have confirmed the many symptoms of suffering from corona virus. Some medical experts report that high blood pressure increases the risk of dying from covid19. Can corona virus...

12 June 2020 2,285 15 View

What is the effect of Spinel Nanoparticles and its magnetic, electrical, optical or other properties on Corona virus (COVID-19)?

As we know that some researcher are suggesting the diffusion of corona virus by nanomaterials. it may be that corona virus can be deactivated by spinel [AB2O4] nanoparticles. i want know some...

16 April 2020 7,359 6 View

Are there any reference or projects on supply chain networks studied as dynamical complex networks?

Any modelling work or data analysis related project

11 September 2017 896 1 View

What is the max conc of graphene nanoplatelets which can be reached by ultrasonication in ethanol? also how much time would it take for dispersion?

I want to prepare Graphene Nanoplatelets (GNP) solution in ethanol for a coating process. I want to achieve a well-dispersed GNP solution and I have GNP with me. I also want to make it in the...

20 December 2016 5,304 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

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View