How can I make a center of mass vs time graph?

I have a trajectory file of about 1000 frames which I have calculated a center of mass for each frame. I would like to use the first frame as a reference and see how much the center of mass...

04 February 2021 5,774 1 View

Does anyone know papers that use large databases of abundance of different groups of species?

03 October 2020 2,506 4 View

There seems to be a double me?

You keep recommending that I invite a Ruben C. Gur to join. That person is me. Do I have two accounts or is something messed up in your database? Is someone else getting credit for my research or...

06 September 2020 2,374 5 View

How do I avoid from getting fatal error message when running Amber?

Welcome to antechamber 17.3: molecular input file processor. acdoctor mode is on: check and diagnosis problems in the input file. -- Check Format for pdb File -- Status: pass -- Check Unusual...

17 August 2020 7,046 3 View

Do you think that COVID-19 will make small countries in Eurasia to pivot to China?

It seems that Asia is doing better in countering COVID-19 than "traditional" great powers. Do you think this will make small countries in Eurasia to pivot to China?

11 May 2020 2,847 10 View

What is the effect of Coronavirus on the world order?

What do you think, how Coronavirus will reshape the transforming world order?

24 March 2020 742 24 View

What is the most effective way for you to run online classes?

Because of the Caronavirus I am running my classes online. In this regard I am wondering if you have that kind of experience and what is the most acceptable app/method for you. Thank you in advance

13 March 2020 9,580 49 View

Why does my PCR not show whether my mice are homozygous or heterozygous for a floxed gene?

So, I am trying to determine whether my mice are homozygous or heterozygous for a floxed gene. I ordered the primers specified by the company which developed the mice and they amplify a 301 bp...

10 March 2020 9,740 4 View

When you recommend to cut the heart in a murine models of heart failure?

Good evening everybody, I am working on a model of acute heart failure and I am planning to analyse heat shock proteins (western blot) in the right and the left ventricle. The mouse heart is very...

03 June 2019 7,528 5 View

Can anyone help me in forming a questionnaire ?

The research topic for which i need a little help in forming research questionnaire is "Career Challenges and Issues Faced by Women Engineers and their Favorable/Desirable Attributes in relation...

21 April 2019 2,210 4 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

What are the most relevant MSc proposal topics for Petroleum Production Engineering at the moment?

I am a Petroleum Production Engg MSc student at Robert Gordon University in Aberdeen and I am in the process of selecting a topic for my MSc Engineering Investigation proposal. I would very much...

01 March 2021 7,396 4 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

In frequency domain alpha band(8-16hz), beta band(16-32hz), gamma band(32-64hz), sub-band(64-128hz) are same as LL,LH,HL,HH in wavelet decomposition?

I am working on single trial motor imagery data i.e. EEG data. I am following a paper which has a dataset from BCI challenge IV (dataset 2b). After removing noise and extracting all the data from...

23 February 2021 5,503 1 View

How to find natural frequency of a bridge from vehicle induced vibrations?

i have frequencies of bridge that are effected by mass of vehicle. the problem is when any vehicle pass the bridge it would add the its mass to the bridge mass ultimately mass of the bridge will...

22 February 2021 10,004 3 View

Suppose we have a banana seller cart consisting of 4 wheels, weighing about 300 kg. How much torque motors are needed to pull of push it electrically?

I am thinking of electrifying the street food carts while harvesting energy using solar panels on top.

22 February 2021 4,323 3 View