Are preprint servers like arXiv.org an effective way to publish?

I just read the following article from Physics Today called Commentary: On the quality and costs of science publication: https://physicstoday.scitation.org/doi/10.1063/PT.3.4259...

07 August 2019 1,727 3 View

What sort of accuracy is needed for estimation/measurement of ionospheric synthetic aperature radar (SAR) data?

When using models and/or measurements of the ionospheric Faraday rotation (FR), what sort of accuracy is needed for applications such as synthetic aperature radar (SAR) data/image correction?...

02 March 2018 2,748 0 View

Does the ambiguity in Faraday rotation measurements occur at 180 or 360 degrees?

01 February 2018 5,567 0 View

What is the role of the relaxation parameter in Kaczmarz method, aka algebraic reconstruction technique (ART)?

I would like to find a better explanation of the relaxation parameter used in the ART algorithm ( Kaczmarz method). "The ART method is affected by numerical uncertainties that are introduced by...

31 December 2017 9,689 0 View

Why do certain species of fish have two ranges of peak response to different wavelengths of light?

Most fish have a range of wavelengths which they respond to (e.g. see electroretinography studies by researchers at the Virginia Institute of Marine Science):...

04 May 2017 7,460 1 View

What is the BEST way to generate quiet day curves for riometer data?

There are several techniques for baselining riometer data. For example, CANOPUS (NORSTAR) Riometer quiet day curve generation is much more automated that what is available from some other...

02 March 2016 872 0 View

What effect do (SuperDARN) HF radar have on riometer data?

Can anyone please give a brief synopsis of the effect that (SuperDARN) HF radar have on riometer data with suggestions for further reading?

02 March 2016 7,135 0 View

What are the boundaries of the ionosphere?

The Earth's ionosphere is a region of Earth's upper atmosphere between approximately 60-1000 km altitude, comprised of free electrons, different molecular ions and neutral particles, where the...

01 February 2016 3,141 5 View

Is anyone familiar with a figure that compares day and night side electron density profiles for the high latitude ionosphere?

Hello, I am looking for a figure (with reference) that is similar to the one attached (replyfig.png), which compares the day and night side ionospheric electron density profiles typical of...

01 February 2016 7,725 7 View

What is the best way to distribute/publish a dissertation?

Since completing my MSc (physics) I have been emailed by several questionable 'new' publishing companies such as Lambert Academic Publishers, Scientific and Academic Publishers, and Scientific and...

06 July 2014 3,688 6 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View