What do you mean by 'excitation' of a plasma wave? What is the physical significance of this 'excitation'? Why is it necessary?

I have read numerous research papers on various mechanisms of excitation of surface plasma wave. But why do we need to excite a wave? Is it necessary? Can't the wave propagate without being excited?

25 January 2021 3,790 3 View

How do you convert CADNANO vector drawings into .JPEG AND TIFF IMAGE FORMAT?

Hello, I am working on a DNA nanostructure but I am new to CADNANO. I need some help on how to convert CADNANO drawings into images like JPEG and TIFF. At the moment, my .svg output appears cut...

11 September 2020 4,558 2 View

Synthesis of Nanoparticle Materials?

Please which method is easy to synthesize nZVI, iron oxide nanoparticles, graphene oxide nanoparticles, silver nanoparticles or any other nanoparticles in the laboratory. I will appreciate if I...

30 May 2020 2,717 10 View

What is the future of training and development?

How are training and development going to be like in different industries in terms of provision (ways of facilitation), technological aids etc?

17 March 2020 1,761 18 View

Advice on how best to model directly with fibre glass ?

I have this sculpture project am currently working on that requires me to deliver at a record time, so am working to bypass the clay modeling stage and move straight to the fibre glass and resin....

13 February 2020 6,665 2 View

What methodology can be used in battling and managing security incidence in IoT technologies ?

I am writing a research paper on security incidence response and Management concerning IoT

24 December 2019 9,064 2 View

Why dont some academic scholars write in simple language?

Sometimes I catch myself going over a paragraph in academic reviews and articles, struggling to make sense of the last few lines. I do wonder, maybe my understanding is still poor or the writers...

20 November 2019 2,852 11 View

I am measuring three variables using three different rating-scale question types. Can I do this in one survey using Survey Monkey and send one link??

I am trying to make it easier for respondents by not sending three separate links. How easy will it be for me to filter the data results by variable once I am done, before exporting it to SPSS?

27 July 2019 9,225 3 View

What could be the view area of a Remote Operated Vehicles?

I would like to do some analysis on ROV points but I would like to know the Instantaneous field of view of the vehicles in order to help me have the sense of the buffer value I can give to the...

22 July 2019 3,552 2 View

How did anarchists define nationalism despite their opposition to established government?

Did they challenge popular understanding of the concept? What was their opposing explanation?

05 May 2017 5,762 5 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

How to determine a priori sample size for t-test with unequal means?

I need to conduct a a priori sample size determinations for t-test with unequal means, but I don't know the sizes of the groups nor the ratio of both groups... Can I do a sample size determination...

24 February 2021 8,289 3 View

What are alternatives to factor analysis for a small sample?

My sample size is too small to conduct a factor analysis. I created my own psychometric scale for measuring Effectiveness of Support, which contains 38 items (4 sub-scales) Im really struggling...

23 February 2021 9,287 12 View