Does Covid-19 vaccine give to pregnant and breast feeding women?

I need to know the safety of Covid-19 vaccine in pregnant and breast feeding women

17 February 2021 504 9 View

How can we calculate the concentration of nanoparticles in a solution ?

1- Absorption of 1 cc of a nm solution of 20 gold particles at 530 nm equals one. Calculate the extinction coefficient of these nanoparticles (consider the light path length of 1 cm). If we were...

30 November 2020 9,274 1 View

How can i collect many blood sample from the rat for pharmacokinetic study without killing the rat??

how can i collect many blood sample from the rat for pharmacokinetic study without killing the rat??

28 October 2020 2,675 8 View

What's the effects of the wet season and dry season on biological soil crusts specially algae (Cyanobacteria and green algae)?

I work the research about stabilization of soil by Biological soil crust especially algae (Cyanobacteria and green algae) Could anyone please help me about this topic soil stabilization using...

17 December 2019 8,682 3 View

No title

04 November 2019 7,867 3 View

Is there researches about "Bearingless Brushless DC motor" that explain the magnetic forces needed for the suspension?

I need researches about "Bearingless Brushless DC motor" about the magnetic forces and the displacement of the rotor that will be measured by hall sensors,,,I am trying to build a matlab...

14 January 2019 1,062 2 View

simulate a brushless dc motor open loop with ?

HI I am trying to simulate an open loop brushless dc motor ,but although Ive followed the exact equations, the results are unacceptable please Ive attached the matlab simulation if any one have...

03 January 2019 6,419 1 View

What are the best mobile phases to identify phenolic acids in ethanolic plant extract ?

Im searching about mobile phases , using thin layer chromatography, for identification of flavonoids and phenolic acids for my research. thank you

30 November 2018 8,197 3 View

Is there a difference in performance and in results when run CFD software on a laptop with Nvidia Quadro graphic card as compared to Nvidia Geforce?

I am inquiring about the best laptop features to run CFD software efficiently so that I get the minimum time of run and the best visual results. Any valuable recommendations are welcomed!

15 August 2018 8,802 5 View

What are the biological factors that affect on erosion in soil ?

There are many microflora in soil such as bacteria, algae and fungi that affect soil properties Are the bacteria present in the soil affecting soil erosion and physical and chemical properties...

12 February 2018 1,294 9 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

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

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