What is the best lubricant and dispersant for SiC abrasive particles ?

I am examining laboratory cases about ZnO Based ceramic Lapping with SiC,Al2O3,CeO2 and SiO2 abrasive particles. but i have no experience about modifying SiC slurry lapping. Also,i use of double...

13 December 2020 4,327 4 View

What does over foaming correspond to in E.coli fed-batch fermentation?! How does foaming relate to cells metabolic status?

I'm currently experiencing overfoaming in my E.coli culture. My cells are used to produce a recombinant protein. The basic cell strain is BL-21 DE3. After changing my carbon source brand i am...

06 October 2020 3,946 3 View

How can I make a HgSO4 1M solution?

Hi everyone I want to make a HgSO4 1 Molar solution for deposition (electroplating) in my electrode, but HgSO4 is not soluble in water! What can I do !? Because My other solutions are all in water.

14 September 2020 3,461 3 View

Which type of resistor is used for high frequency applications?

This project is related to transient states. I want to study the behaviour of a circuit (like a current source) by suddenly increasing the resistance from one value (5 ohms) to another (10...

07 September 2020 6,665 28 View

How to find equivalent static loading of dynamic events in Abaqus?

To find equivalent static loading of dynamic events, displacement vector of the dynamic analysis could be used as attached picture. To use this method in Abaqus, how we could export the...

15 August 2020 8,287 5 View

How to reduce extruder vibration?

I'm trying to reduce a 3d printer extruder vibration. When the extruder starts to move, vibrates that decrease printing quality. How can I reduce the vibration? I need a procedure to solve the...

05 August 2020 4,296 2 View

Is my understaning of feature extraction process is right??

I'm working on an activity recognition project using smartphone sensors data and I want to implement feature extraction phase. Assume the frequency of data collection is 20Hz and the sliding...

01 June 2020 8,580 9 View

Is it possible to damage the solar panel by injecting Impulse voltage?

09 April 2020 4,525 2 View

How to use of deep network designer toolbox in matlab software for training a model ?

I have an input data set as a 5x100 matrix. 5 indicates the number of variables and 100 indicates the number of samples. I also have an target data set as a 1x100 matrix, which is continuous...

09 April 2020 7,103 4 View

Which environmental characteristics affect wind behavior? or Which environmental specifications can be used to estimate wind speed?

I think factors such as height above ground level, surface roughness, temperature, solar radiation, humidity, pressure, and the slope of the earth can be influential.Which factors have the most...

05 April 2020 9,159 6 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 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 model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 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

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 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

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

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