How to derive equations for a resonant buck converter with ZVS?

I am not understanding how each author is deriving the equations and the working principle. Individual authors are giving their own working principle explanation for different circuit topology....

12 February 2021 496 1 View

Does anyone knows any technique to find the location of an object in an image?

We are doing a project in which we are detecting (using YOLOv4) runway debris using a fixed camera mounted at a pole on the side of the runway. We want to find out the position of the object with...

03 December 2020 774 6 View

Hi; I need some MRI or CT scan pictures of the human brain. Can anyone suggest me any good website for finding these files?

need a human brain MRI/CT scan image dataset for research purposes.

08 November 2020 2,145 2 View

I am having problem with my Hplc chromatogram. The base line has shifted downward and its nt coming to zero. I am looking for problem and solution ?

A few days ago i eluted a sample with standard (Tartaric Acid ) for which mobile phase 0.05 M Phosphoric acid, MeoH and water ( 69:1:30) were used. After analysis the base line (Uv/Visible 254 and...

03 November 2020 9,893 3 View

Does Google's terms and conditions allow collecting and analysing user reviews for research?

I am planning to conduct research that involves analysing app reviews from Google's play store. From the hundreds of papers published on then analysis of app reviews, I am assuming collecting and...

29 September 2020 5,543 3 View

Is thematic analysis an individual analysis technique for qualitative research or comes under any of the 5 approaches to Qual Research??

is thematic analysis an individual analysis technique or it falls under grounded theory (As some literature says) or it is merely a technique that can be used under any of the 5 common approaches...

30 August 2020 1,916 11 View

What Object Detection Technique is best for FOD detection on Runways?

We are working on an Automated Foreign Object Detection on Runway (FYP Project). It is a system to detect the FODs (Foreign Object Debris) on the surface of Runways. It also detects other...

12 July 2020 4,550 1 View

Difference between decentralized and distributed networks?

As much as I read about decentralized and distributed networks, it becomes more and more difficult to make a clear cut distinction between the two. Kindly, help by providing a clear distinction...

26 March 2020 9,174 3 View

Models for character recognition?

I have a set of digital images that contain computer printed text in different formats. Kindly suggest three to four machine learning models (preferrably with url) that can recognize the text from...

04 March 2020 4,583 3 View

A distribution with smaller standard error is BEST or with high P-value and smaller value of Anderison Darling and Kalmogrove-Simrnov statistic?

For a real data set, if the values of the standard error of parameters of a distribution (say A) is higher than the other distribution (say B). But, if the distribution A has high P-Value and...

30 November 2019 3,580 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 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

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View