17 March 2023 0 8K Report

Looking for Hansen Solubility Parameters for Novec 1230, compound with CAS#[756-13-8].

Calculated or/and experimetnal values are acceptable.

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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

Soft agar experiment: I noticed overnight after plating upper layer, agar becomes thinner, almost liquid. Is not normal or not? How to prevent it?

Soft agar experiment: I noticed overnight after plating upper layer, agar becomes thinner, almost liquid. Is not normal or not? Are ther techniques to prevent it? And bottom layer after 21 days...

14 October 2020 4,774 1 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

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