Regrading Air traffic control tower ?

15 October 2020 9,921 1 View

Does anyone have proof of how to get the far field region for a leaky coaxial antenna?

Using the far field equation that relates the dimension of the antenna structure and wavelength is the one used in contemporary antennas? So my question is if this formula applies to LCX(Leaky...

23 January 2020 9,881 7 View

How do I pre-amplify my miRNA for sanger sequencing?

I am trying to do a Sanger sequencing on my miRNA, and look into specific seed region of editing. However, my primers are derived from primary miRNA, and I do know pri-miRNAs are relatively low in...

18 November 2019 3,503 2 View

Is there a way to acknowledge my previously published abstract?

My paper had been accepted for publication in Journal X recently. The editor would like a statement of mine in acknowledge section to state that an abstract of the topic was published previously...

23 July 2019 6,447 3 View

How to clean ITO Coated PET sheet?

I would like to spin coat a PVA (Poly-vinyl alcohol) thin film on an ITO coated PET sheet. Please suggest a suitable cleaning procedure to be followed prior to spin coating the PVA layer. Any...

23 February 2019 9,502 7 View

Which is the best method to spin coat TiO2 film on glass slide using TiO2 powder?

I have synthesized TiO2 nanoparticles in dry powder form. I would like to spin coat a TiO2 thin film, from the synthesized powder, on to a glass substrate and then acquire the XRD Pattern for the...

31 January 2019 5,235 8 View

How can one measure the cost of energy in a particular country?

Apart from the energy used in the households,industries and locomotive industry which other sectors are we supposed to consider when calculating the cost of energy in a country

01 January 2019 2,322 5 View

How to prove the maintenance of the signal of a specific numerical series?

01 August 2017 4,430 5 View

How to operate with floor and ceiling functions?

28 July 2017 9,642 4 View

What are the methods for Tilapia fish fry conditioning?

An article stated this:Addition of a little amount of NaCl in the ambient medium especially in the case of tilapias, might be of advantage, but the system has to be sufficiently modified since...

19 October 2016 816 3 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

How long does it take to get a modeller(for homology modelling) license?

I submitted my e-mail address on modeller website to get a license. The problem is that, the site cannot process my school e-mail (ewhain.net). I submitted my Lab website and school name so that...

25 February 2021 9,054 3 View

Is it mandatory to specify Subjects Combinations in Generalized Linear Mixed Models (SPSS)?

Hi all, I have data with two levels: lets think of the classic example of students and schools. When running the analysis in SPSS and selecting the Random Effects, we can select (we can or we...

24 February 2021 7,379 4 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

Latent profile analysis based on two variables/sources of data?

Hello, for my master project, I would like to conduct a latent profile analysis about self-regulated learning skills. I would like to take two different measures into account when creating the...

21 February 2021 2,326 3 View

Where can I find raw quantitative datasets on ecosystem services?

I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...

19 February 2021 5,911 2 View

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

17 February 2021 3,075 4 View