How Channel State Information (CSI) could be obtained from matrix generated in Spatial Channel Modeling (SCM)?

Geometry Based Stochastic Channel Modelling or Spatial Channel Modeling (SCM) methods such as: - 3GPP-SCM, SCM-E - Winner (I and II) - QuaDRiGa produce channel coefficients as a matrix H (may on...

04 November 2020 9,480 2 View

How to calculate Lexical frequencies and Text Frequencies of phonemes and graphemes of English language?

This is so far the procedure I was trying upon and then I couldn't fix it As per my understanding here some definitions: - lexical frequencies, that is, the frequencies with which correspondences...

27 September 2020 4,742 3 View

What is the best place to look for survey/questionnaire methodology research reviews?

Hi everyone, I want to learn as much as possible about survey methodology for evaluation purposes. I'm particularly interested in research around validity and reliability of: question types...

02 September 2020 413 10 View

What metric should I use to compare two feature vectors of two images?

Hello, I am looking for a way to compare the feature vectors of two images that contain a person in it. The application should be able to output a high similarity score for the same person and a...

10 May 2020 3,137 1 View

Do I need Post-hoc analysis?

If you have to compare a variable among 4 groups (A, B, C and D -progressive disease stages) using a comparison test (student T test) between A and B, B and C, C and D is it necessary to perform a...

30 April 2020 9,742 5 View

Do you think the approach to sustainability and environmental issues will change for human society after this pandemic?

We need to be closer to the nature and don't look for money and other values.

29 March 2020 1,238 4 View

We are looking for a relation between Cartesian octupole and Mie scattering coefficients. Does anyone know the papers having an exact formula?

Dear Colleagues, We are looking for an accurate relation between the magnitude of Cartesian octupole and Mie scattering coefficients. Something very similar to formulas (8) and (9) from...

19 February 2020 3,836 4 View

What is a better way to extract plasmids from actinobacteria?

Hello, Is there a good robust way to isolate plasmids from some Actinobacteria which potentially possess them? Is it a combination of enzymes/sonication or something else?

26 May 2019 4,250 4 View

Why out-of-sample validation is not taught in a course on statistics?

Out-of-sample validation (validation of model performance on an independent set of data) is a must in physical modeling, data mining, etc., but in a traditional statistics course it is not taught...

29 August 2018 5,514 4 View

What is the ideal number of birds to sample when testing for morphological and behavioral differences in urban and rural populations?

19 May 2017 7,606 3 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

Can bacterial suspension be pipetted directly onto petri dish and agar poured onto it?

Hi, recently I encountered a protocol for plating which was not the usual method I have been practicing (pour LB agar onto plate, allow it to solidify, pipette bacterial suspension onto plate,...

28 February 2021 7,292 3 View

Difficulty in cloning of 1kb gene into vector?

I am facing difficulties in cloning a 1kb gene into a vector (pJIT163). I have my gene on interest (GOI) in pUC57 and want to clone in pJIT163 using SalI and BamHI restriction sites. I am getting...

25 February 2021 3,221 7 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Can 5-FOA Diffuse Through Agar?

I am preparing to do a gene knockout in the filamentous fungi Coccidioides posadasii targeting pyrG/URA3 so that 5-FOA can be used for selection pressure instead of traditional antibiotic...

16 February 2021 169 4 View

How do I change g/l into mM for bacto agar. I am trying to get the millimolar content of sodium and chloride percentage in bacto agar. How do I do it?

I am doing a salt tolerance-related experiment and for that I need to relate my salt levels to that in bacto agar. I don't want my salt concentrations to increase due to already salt content...

09 February 2021 4,158 1 View

How to make Fast Green FCF from powder?

Hi everyone We need Fast Green to electroporate plasmid into mice embryos, therefore we simply need it to see some color in the liquid we are electroporating so that electroporation is more...

07 February 2021 1,671 2 View

Transformation into the Stbl3 chemo competent cells?

03 February 2021 1,111 5 View

Which is the best software for the simulation of tribological properties of materials?

I want to simulate the tribological properties of solids, liquids, and fluids, please suggest good software.

02 February 2021 3,947 3 View