What is the physical nature of the quantum of the gravitational field?

Gravitational viscosity, as inhibition of motion, is the property of a real gravitating space-time to resist the movement of one part of it relative to another. By analogy with the concept of the...

10 November 2020 8,134 10 View

Is the gravitational field quantized, and if so, then what is the quantum of the gravitational field equal to?

The gravitating objects that are at rest, or move without acceleration, create a standing gravitational wave in space. The length of this wave is a quantization step of the gravitational field. It...

25 April 2020 8,811 45 View

How to calculate coefficients for wavelet transform filter bank?

I'm trying to design a wavelet. I extracted signal from transient for my wavelet. How to calculate coefficients of low-pass and high-pass filters for wavelet transform filter bank? Maybe you can...

29 September 2019 3,380 5 View

Oral gavage with methylcellulose?

I'm planning an in-vivo experiment with a drug dissolve in 0.5% methylcellulose and 0.2% tween 80. Which methyl cellulose should I order? The viscosity seems to change between products ( measured...

24 August 2019 1,350 2 View

What is the contemporary view on the epidermal turnover time?

For the purpose of teaching I need to know the contemporary point of view on epidermal turnover time. The data of scientific and educational literature are very different. Average time varies from...

25 September 2018 9,640 1 View

No title

20 April 2017 5,238 4 View

Does the space of the observed Universe rotate?

Professor Michael Longo (University of Michigan in Ann Arbor) and Professor Lior Shamir (Lawrence Technological University) on experimental data have shown that there is an asymmetry between the...

03 April 2017 7,149 47 View

How can I evaluate the stock of carbon in soil? Can anyone provide me with a procedure?

17 November 2016 5,710 9 View

The future of science: most important topics and areas of research

Please express your opinion. I am also looking for documents, articles, texts in which topics or areas of research in the future from 5 to 50 years are approved or forecasted.

01 January 1970 5,543 3 View

Rock material strength?

This is not a question. This is The map of the "rock material strength" topic. The research topic map is useful in the following processes 1) orientation in a large thematic area; 2) clarify the...

01 January 1970 6,851 1 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

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

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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 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

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View