How often do i need to measure the pH of the soil?

we are conducting experiments on pH of different soils. How often do I need to measure the soil pH? Do I need to measure continuously 24 by 7 in 365 days? How often the pH of the soil will change?

31 December 2019 8,701 4 View

How dielectric constant value affect the radiation effeicency in Microstrip patch antena ?

when we diesign the microstrip antenna we should take the substrate having low dielectric constnat .if we take higher dielectric constnat value then fringing will be less. And also it triggers lot...

04 May 2019 3,896 1 View

What is the resistance for the oxidation of gold at higher temperature ?

04 May 2017 7,240 2 View

Can Cr/Au metal with stand in TMAH si etching solution ?

After chromium and gold metaliaztion can i do si etching by using TMAH solution.

01 February 2017 6,503 2 View

What is the process to deposit gold on si substrate by using sputtering?

I am depositing gold by using sputtering on si substrate and i am using cromium as adhesion layer between gold ans si but gold is not at all sticking , what should i do now?

06 July 2016 8,028 8 View

What are the possible ways by which i can clean the metal thin films like cu, Ti, Au on silicon substrate in micro electronics?

in microelectronics fabrication after liftoff how can i clean metal layers from contaminations.

05 June 2016 7,384 0 View

Can i use RF sputtered silicon dioxide as a masking layer for TMAH si bulk miicromachining etching?

01 January 1970 5,280 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View