Why there is a differential rotation in the Sun and what are the reasons behind it?

I know that the Sun, unlike the Earth, is not a rigid body. It's composed of a hot rotating plasma. And the equator sector has to cross the greatest distance to stay a part of the sphere, like...

08 September 2018 2,438 0 View

How to add a decimal number to date-time in Excel ?

I was looking for a method to add a decimal number that represents the hours like this for example 30.12 hours (hh:mm) to a date-time cell like this for example 6/12 17:45 (M/dd hh:mm) and get an...

02 March 2018 6,349 0 View

Why do we need to apply machine learning in Space Weather?

What's the advantage of using artificial neural networks, for example, in order to tackle space weather challenges?

31 December 2017 7,004 0 View

Why does the duration of solar flares tend to be much shorter than the duration of type-II solar radio bursts?

Why does the emission wavelength directly proportional to its duration?

31 December 2017 1,939 6 View

How to find trends in data?

If I have a data like the attached image. I need to draw a vertical line (like the red dashed line) at the max point of the green part (positive trend) which is followed by a strong negative...

10 November 2017 2,250 2 View

What's meant by "fold" in the electron density models?

04 May 2017 9,892 0 View

How to plot a fitting line on type-II radio burst data?

In the attached images, the "Data.jpg" image is a spectrogram for a type-II radio burst with frequency on the y-axis and time on the x-axis and the intensity of the signal is labeled with colors....

04 May 2017 246 2 View

How to include the Solar Wind indices in the Neural Network?

01 February 2017 8,761 2 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 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

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View