Are there any candidates for an Einstein's bare cosmological constant?

It is commonly accepted that General Relativity has its own 'bare' cosmological constant that contributes together with the cosmological constant resulting from vacuum energy density for an...

23 February 2021 5,448 8 View

What is the best method (software) to count pixels in a digital image?

I'd like to carry on an accurate count of pixels in several images in order to compare them. There is a way by using Photoshop, but... does anyone know any other better method or software for...

05 November 2020 3,536 3 View

Combining multiple spring constant in umbrella sampling?

I have experienced insufficient sampling for high energy states in particular windows. The spring constant is not enough stiff to keep the value of the reaction coordinate. I know that you combine...

23 September 2020 7,800 2 View

What do you include in writing an abstract of a social science article?

Some have 3 elements- rationale/background, methodology, and results; while others have four or five that include objectives/questions, conclusion with implications.

19 August 2020 8,203 25 View

What is the simplest method of developing a theory? The GT approach allows theorists to develop a theory in an uncertain time?

It seems that the authors of some books present grounded theory (GT) as the only approach or method of developing a theory. By the name of the approach, it may confuse beginner researchers.

12 August 2020 5,734 12 View

What are the benefits of writing a systematic literature review?

SLR- Systematic Literature Review. In this, you don't need to go to the field to collect the data. You just need a desk. When is SLR necessary and is not necessary?

12 August 2020 6,009 18 View

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05 August 2020 9,805 2 View

COVID-19 contamination through the airborne transmission mode?

Does anybody know about reported evidences of COVID-19 contamination through the airborne transmission mode, besides the two papers about the Guangzhou restaurant? It is important that the...

31 May 2020 4,881 4 View

What is the path loss formula for a drone-to-ground communication?

How can I estimate the propagation loss between an unmanned aerial vehicle (UAV) or drone, and user equipment (UE) on the ground? is it safe to assume a line-of-sight scenario? how about the...

24 May 2020 3,517 5 View

How to start a bioinformatic analysis of bisulfite sequencing data?

I'm just learning how to perform an analysis of methylation patterns using bisulfite sequencing data, but I have some questions: 1. What database I can use for obtain bisulfite sequencing...

10 May 2020 1,116 1 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 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 Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 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

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View