Does anybody know a public dataset of drop landing or jump landing maneuvers?

Dear all, In our project we would like to test different control strategies during drop landing compared to jump landing. After an intensive search I could not find a public dataset of drop...

09 February 2021 7,093 4 View

Is there a questionnaire for measuring "21st century skills"?

I wonder if there is a questionnaire for measuring "21st century skills" (a.o. critical thinking, creativity, collaboration, communication, information literacy, media literacy, technology...

11 May 2020 5,088 6 View

Not Missing at Random Structural Equation Modeling?

Hi all, i want to do multiple imputation on iem level, since several studies have shown the superiority of item level imputation compared to scale level. I want to do a sensitivity analysis. Some...

27 October 2016 5,224 2 View

Why do we gain degrees of freedom when we add constraints? I know that i decrease the number of free parameters, but what does it mean conceptually?

24 May 2016 611 2 View

Cohen's d in mixed linear models using interventional data with missing values?

28 March 2016 6,439 2 View

MCherry antibodies for blotting?

Does anyone know of a good commercially available antibody/serum for detecting mCherry fusion proteins by Western blotting?

04 March 2015 1,795 3 View

Is it possible to collaborate in your project?

My experience: EP 8645690 (2016) H.Horacek, J.of Cell. Plast. 1-26 2015" Manufacture and model calculation of porcelainlike microcellular low density polystyrene".

01 January 1970 3,504 2 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Why CHi^2 is reducing if I divide the intensity by a constant factor?

I was refining my XRD data in FullProf. Highest intensity was 400000. The fitting was good but still the Chi^2 value is very high (0.174E+04) I divided the intensity by some constant factor (say...

17 February 2021 3,383 5 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View

How do I refine a specific region of my protein model so that it perfectly superposes with a template peptide PDB with the same sequence?

I have a protein model and want to replace a 12-amino acids-long region within the center of the model with those of a PDB file containing a 12-amino acids long peptide of the same sequence. This...

02 February 2021 779 2 View

Is it possible to do Reitveld Refinement on single crystal XRD data?

I tried to do single-crystal Rietveld Refinement on my single-crystal XRD data using the option "refinement on single-crystal data/ integrated intensity data" in Fullprof but it is giving error...

30 January 2021 7,813 3 View

The First Survey Addressing Patients with BMIs over 50?

Dear Bariatric Surgeons, The importance of obesity management in patients with BMIs over 50 has not been completely addressed and it should be considered separately from patients with morbid...

20 January 2021 2,748 1 View

How much Ti and B (in ppm) is required for effective grain refinement and why?

To have the desired grain size in 6061 and 6063 Al alloy, what should be the minimum % of Ti and B pick up and what is the chemistry/metallurgy behind that?

07 January 2021 9,305 2 View

Is not POLITICS involved in science these days?

Respected Fellows, First and foremost, wish you all, all the very best for the year 2021!. I was formerly a faculty member in Canada (2006-2011, Assistant Prof.), then came back to my...

04 January 2021 7,886 4 View

How to write a PHD proposal for a predefined research?

Hello everyone, I am aiming to write a PHD proposal of 1000 words. The research is described by the supervisor. That means, research questions, aim, and instruments are well defined by the...

01 January 2021 6,291 7 View