Is Kaliakra area an important territory as indicated in this report?

01 January 1970 1 9K Report

Technical Report Migration pattern of 42 bird species of Bulgarian ornithofau...

Badges
Science topic

More Pavel Zehtindjiev's questions See All

What is the best way for mobility estimation in GROMACS?

I need to estimate the mobility of some atoms in the molecule within a molecular dynamics simulation and compare the values for different simulations. I use trjconv -fit rot+trans to fit C-alpha...

19 January 2021 531 3 View

How can one calculate difference between normal pseudo-solution and exact one?

Dear collegs, Let us have a linear system: Ax=b, (1) A is a matrix of (N,N) shape, b, x are vectors of N shape. We decrease number of equations to form a underdetermined system: A'x=b', (2) A' is...

11 November 2020 8,549 2 View

How is theoretical proportion of the total organic carbon of PLA (polylacitc acid) ?

Dear Sirs, I have measured the proportion of the total organic carbon (TOC) of polylactic acid (PLA) method DIN 19539. The results are 35,1%. Is it correct? How is the theoretical proportion of...

04 November 2020 6,598 1 View

Is there any monthly or bi-monthly 'free' Scopus or SCI indexed journal?

Looking for a fast-track journal to publish one of my papers in the field of image processing for non-hodgkin leukemia cancer cells detection method.

02 November 2020 5,289 3 View

How long do the antibacterial coatings work?

Dear all, I am looking for publications dealing with the long-term stability of antibacterial coatings. I need to know if the coating still works even after months or years. The latest term I...

06 October 2020 1,726 5 View

Someone has replaced the abstracts of my papers by entirely wrong texts. How can I correct this?

This appears to be a pure sabotage. Someone has thrown out my abstract - so far I discovered two - about scarce rationality, and about institutions in evolutionary economics - and replaced...

17 September 2020 1,994 3 View

How to statisticaly analyze distribution which is very skewed to low values (like Pareto distribution or similar)?

I have results of porosity analysis from CT data which is a very skewed distribution (looks like Pareto distribution or similar). I have data from a few samples which I want to compare about the...

14 May 2020 9,595 9 View

Which social media monitoring system do you prefer in your country?

Hello, colleagues! Which social media monitoring / listening system do you prefer in your countries? In Russia we mostly use Brand Analytics and Youscan.

23 January 2020 4,619 7 View

Why Antennapedia Control peptide inhibits the reactive oxygen species production in human blood?

Hi all, I use MyD88 Inhibitory Peptide (more details here: https://www.novusbio.com/products/myd88-inhibitor_nbp2-29328#datasheet or https://www.invivogen.com/pepinh-myd#about) to inhibit the...

04 January 2020 2,207 6 View

How to estimate a quality of single tracks fabricated by selective laser melting of a new Al-Zn-Mg alloy?

Dear friends, We approached toward SLM of a new Al-Zn-Mg alloy using single track experiment. The initial feedstock powder was ball-milled (not atomized). More than 10 tracks fabricated at...

05 November 2019 7,073 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Can the Dunn's test be used as an appropriate post-hoc for the G-test?

Research Question: Are red grouse (Lagopus lagopus scotica) a statistically significant proportion of raptor (bird of prey) diets? I am planning on using a series of G-tests (determining whether...

23 February 2021 5,827 3 View

Do you have papers on hindlimb myology of birds to share?

Hi all! we are looking for papers (or information) on muscles of the hindlimbs of birds (extant and extinct) that include the intrinsic muscles of digits. Any help will be more than welcome! Thanks!

22 February 2021 7,186 3 View

Do you have papers on hindlimbs myology of birds to share?

Hi all! My work team and I are looking for papers on muscular descriptions of the hindlimbs of birds (extant and extinct) that include the intrinsic muscles of digits. Any help will be more than...

22 February 2021 8,330 6 View

Where would? can? positive charge(vacancy) be when grounded?

Hello I plasma(H2N2) treated Al2O3 plate (edge is connected to ground) and wondered if oxygen vacancy migration on the plate can occurs as electrons escape through edge. Or whatever positive...

15 February 2021 8,118 1 View

What is the best way to track bird migration?

Migratory birds are globally scattered. What should be the ways to track them? Except ARGOS. Elaborate.

25 January 2021 2,355 4 View

Which statistical test to use to see if there is a significant difference between the vigilance of bird species at different feeders (in SPSS)?

I have gathered data on bird species visiting 4 hanging feeders in different locations and have calculated the proportion of time they have spent displaying vigilant behaviour while at the feeder....

18 January 2021 9,959 7 View

How would you extract bird flapping motion from a video?

Suppose you have a footage of a bird flying by flapping in a fixed frame recorded by a single camera. Is there any library/software which, given assumptions on distance, size and angle, could...

12 January 2021 7,614 3 View

Does behavior (shy vs bold; rare vs abundant) and flock size (small vs large) of bird species play role in niche partitioning among sympatric species?

Sympatric birds may avoid competition via multiple strategies - by different activity period, different diet, different microhabitat etc. Has any one looked into behavior of sympatric birds as...

11 January 2021 9,600 1 View

Methodology for bird counts (census) in airport?

Hello. I am looking for a description of a methodology for bird counts (census), which is applicable to airport area and will allow me to collect the data about species diversity and abundance at...

11 January 2021 3,213 3 View