What are the tech. skills required to become an expert in IoT ?

10 November 2015 4,028 3 View

Which is the best substance to dissolve SnO2?

05 June 2015 1,248 0 View

What are the values of 'a' and 'c' in MATLAB nnstart sim() function?

I used curve fitting tool in MATLAB. After training i got weights and biases. I used sim(net,inputs) function to test the network. I got correct output, but when i implemented the same network in...

11 December 2014 1,094 1 View

According to the astrology nine planets in our solar system plays an important role on human's life. Who said that it is really impacting our life?

Every human being is on earth only, so how come the planets impact their lives differently from each other. Astrologists says that for some people Jupiter is not cooperating and at the same time...

11 December 2014 5,290 5 View

How much acetone is needed to maintain a concentration of 10ppm In a given 215 cm^3 volume closed area?

Considering any volume 'v', acetone as liquid and required concentration 'C'. What is the formula to calculate required amount of liquid needed to maintain the concentration 'C'?

10 November 2014 7,716 4 View

How can I prepare a required concentration of gas from the solution?

I need to prepare a known concentration of gas from the already prepared solution, concentration of solution is fixed to desired level. Is there any simple method to prepare it? Thank you in advance.

07 August 2014 6,936 2 View

What are the different methods to test the amount of gas adsorbed on a surface? What are the instruments that are available on the market to test it?

Is is possible to measure the amount of gas adsorbed on a surface with the BET instrument?

04 May 2014 5,933 3 View

Will there be any change in response time and resetting time of nano-flowers compared to nanoparticles ?

Nano-flowers are larger than the nanoparticles, so the surface area will be different. In this case, is there any chance of reducing the response time in nano flowers compared to nanoparticles...

01 February 2014 8,258 2 View

What are the different types of ZnO nanostructures? What are the best methods to synthesize them?

I know the sol-gel and hydrothermal methods. Which will have the better results?

31 December 2013 404 15 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

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View