How can I analyze the TGA graph to get the weight percentage of organic matter?

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Beyond Beall's list, how to identify phony versus legit journals?

Make no mistake that journals indexed in reputable databases such as Scopus can be considered legit by default. Your contribution sure whets your appetite for learning which venue should...

27 October 2020 246 5 View

How many interviews (qualitative data) are needed to support quantitative data?

I'm doing my MA dissertation on writing strategies usage. I got 69 questionnaire response. I was wondering how many interviews I should do to support the quantitative data? Thank you

14 August 2019 8,937 7 View

Where to publish articles with new and strange topics?

I have a scientific article. Its content refers to the harvesting and storing energy from storms. Because this content is new, strange and uncommon, I have been rejected by some journals...

03 May 2019 8,738 6 View

Does anyone know a specific staining for lead in fish tissue samples?

I need to stain lead (Pb) in paraffin-embedded sections of fish liver. Samples were previously fixed in 10% Neutral Buffered Formalin. I am struggling to looking for a specific staining for lead...

02 May 2019 8,005 3 View

How to convert from load-displacement to moment-rotation responses of composite welded joint?

Dear Friends; I am studying about composite concrete filled steel tubular (CFST) beam - steel column connections. The CFST beam is welded to the steel column as shown in the attached picture. I...

29 April 2019 3,122 4 View

What is the dispersion of CZTS material?

Dear all, My research field related to solar cells, I am utilizing Comsol multiphysics software to simulate periodic solar cells structures. Currently, CZTS material used popularly in solar cells,...

01 November 2018 3,540 1 View

When i open the main chamber, there is water on the sputtering target, Why did this happen??

I open the main chamber of AJA sputtering machine about 3 hours. When I open the shutter, there is water on the target. I didn't touch anything about this target. Also there is an air...

27 July 2018 4,241 3 View

How to add published version to the existing preprint?

Dear colleagues, If I already added a preprint (the paper was not published), and now that paper has published. So, I want to add the published version to the preprint. I don't want to add it...

06 July 2018 8,350 26 View

Is AI intelligent enough to recognize someone defraud it?

I know there are many cases that AI of Microsoft, Google, Facebook recognize wrong: butterfly to worm etc. I have a question about this. With current technology, can AI recognize that it is being...

20 January 2018 9,007 6 View

What is the popular model to integrate data from different data centers?

Dear all, I'm working on a project needing to integrate data from various sub data-centers. These sub data-centers are heterogeous in technology and function. I know there are some popular...

26 October 2017 6,311 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

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 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

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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

Beyond Beall's list, how to identify phony versus legit journals?