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

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

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

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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View