How to test PSS/E Raw and Seq files for versions 29 and 30?

Dear Colleagues, I develop a software that export and import Raw and Seq files of the PSS/E. I would like to get some help for testing these files with someone that uses PSS/E for Load Flow and...

25 August 2020 7,104 1 View

Adequate overall psychometric properties?

I have evaluated the structure of a 14-item instrument (n=497) getting the following goodness of fit results (ULS estimator, polychoric correlations): X2 (df) = 201.881(76), p

06 June 2020 4,254 2 View

In Abaqus, how do I "tie" a reference point to a random position in a deformable surface, so that the ref. point moves due to the deformation?

I want to place some sensors on a 2D sample, but if possible, I want to avoid using partitions (to avoid increasing my mesh complexity, as my system is a bit slow). Also, I don't want to create...

16 May 2020 8,264 9 View

Does anyone have reliable information to prepare a noninferiority trial?

Dear all, as you may know, in many clinical trials it is often not ethically acceptable to include a control group with no treatment. One option is to use a wait-list, but in many cases we end up...

18 February 2020 2,914 3 View

Is there any culture media, where one could mimic the infection conditions of S. aureus?

At our lab, we frequently grow Staphylococcus aureus using TSB or Chemically Defined Media. The latter gives us some control on the conditions we want to impose to the organism, but I was...

05 August 2019 1,787 5 View

Is anyone in Africa researching educational or learning applications of VR/AR/MR (XR) technologies?

IEEE are looking for African researchers studying educational or learning applications of VR/AR/MR (XR) technologies. Please connect with me on this platform. Thanks, Brenda

10 July 2019 5,682 2 View

What kind of filter can be used for aqueous samples for GPC?

I want to analize a sample of water soluble polymer but i want to know the type of filter can be used for my sample

06 July 2019 1,186 3 View

What kind of filter can be used for aqueous samples for GPC?

I want to analize a sample of water soluble polymer but i want to know the type of filter can be used for my sample

30 June 2019 8,194 2 View

How to choose emg signal processing?

I have used two methods to process the same electromyography signal and calculate the maximum amplitude of it (RMS vs smoothing). However, I do not know which of them is the most appropriate,...

12 March 2019 9,524 4 View

Why do I have stop codons after the end of my primer?

22 January 2019 8,021 3 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 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

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Can I arbitrarily take a cycle number of 40 for the gene that was not expressed at all in qPCR results calculation?

I ran RT-qPCR for a control and a treated group and it appears that my gene of interest was not expressed at all in any of the subjects in the control group. So I was wondering if I could...

20 February 2021 6,243 10 View