Has anyone come across any study of the varying spectrum, colour and CCT of daylight at various geographic locations/conditions?

CCT = Color Correlated Temperature Please provide references. Preferably for tropical regions. Thanks in Advance

08 September 2019 3,900 10 View

Why is the standard colour temperature for Daylight 6500 K?

Isn't 6500 K bluish? To me daylight looks yellowish. We've all coloured the sun and sunlight as yellow since we've been kids. Someone please explain why 6500 K is standard. Is it something that...

08 September 2019 915 4 View

Why is there a loss of information in the below mathematical operation?

To elaborate: If X = (convolution of p(a), q(a) ,r(a))/(convolution of p(a), q(a)) Y = (convolution of p(a), q(a) ,s(a))/(convolution of p(a), q(a)) Why is X almost equal to Y even if...

08 September 2019 7,789 5 View

Can someone explain how the size of the tolerance ellipsoids in the Lab space was defined?

Were they experimentally derived based on color perception from human subjects or can the size of the tolerance ellipsoid for every "color" be mathematically calculated for every point in the 3D...

07 August 2019 6,068 2 View

Can someone physically explain the conversion PROCESS of RGB color space to XYZ color space and LAB color space?

..

05 June 2019 6,117 16 View

How to convert RGB values to their corresponding colors and their dominant wavelengths in MATLAB?

I understand there's a challenge in the conversion as the colors are not monochromatic and there could be metamerism. I just want an approximation for the purpose of visualization of data.

04 May 2019 4,994 12 View

How do you define and measure human error in experiments?

For eg. sample variability in different solar cells (which are of identical configurations) fabricated manually.

08 September 2018 6,829 10 View

What is the colour of silver nanoparticles?

What would be the colour if AgNPs of sizes 50 nm - 80 nm, along with bigger aggregates are present together.

31 December 2017 9,214 4 View

How does Sigma Aldrich check for 99% purity of compounds?

For eg. I would like to what are the analytical techniques used in checking purity of natural dyes bought from Sigma Aldrich so as to conduct the same tests on the dyes extracted from other sources.

02 March 2017 8,688 2 View

Dye Sensitized Solar Cells: How is power conversion efficiency calculated from wavelength vs % EQE data?

I would like to compare it with the PCE obtained from I-V curves.In an EQE measurement, at every wavelength of light that is made incident, the DSSC give a certain current, voltage and efficiency...

08 September 2016 9,210 7 View

Is SSRN e-Journal Scopus indexed?

I have publication in SSRN. I want to know whether it is Scopus indexed? Does it show impact factor? What is its ISSN No.?

02 March 2021 4,565 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

No title

01 March 2021 3,905 5 View

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

01 March 2021 8,087 3 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

How to highlight novelty in your research paper?

I have come up with a method and had written a paper on it. Paper got rejected by a journal stating that there is no theoretical novelty. I am kind of confused on why the novelty that I am able to...

28 February 2021 2,393 8 View

How to add missing citation?

Dear colleagues, I have found that many authors have a concern regarding their missing citation in RG because often citation in RG is lower than google scholars. I also missed some citation...

26 February 2021 928 6 View

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View

Am i able to conduct a factor analysis on each of my subscales, as opposed to the whole scale?

My psychometric scale contains 38 items in total, with 4 subscales (20, 6, 6 & 6 items respectively? Can i run a factor analysis for each subscale rather than the scale as a whole for the...

24 February 2021 8,856 8 View