Dear professors, i am confused with how to figure out the tea bag index?

Hello, i am confused with how to figure out the tea bag index,could you please tell me how to compute the letter "a" and "k". Can i use R or Sigmaplot to fix it?

09 December 2020 6,705 3 View

Strain Hardening Phenonmenon under Uniaxial Tension when using ABAQUS CDP?

Dear all, I encountered some problems when using the ABAQUS CDP model. Could you please give me some suggestions? I did a monotonic uniaxial test using a single 3D solid element (C3D8R) and the...

04 October 2020 7,111 3 View

Buckling Analysis - Risk vs Ex/Implicit vs Static Stabilised - Displacement vs Force Control ?

Dear all, I am studying how to conduct lateral-torsional buckling analysis of a simply supported beam. The beam is purely elastic, and the boundary conditions are shown below. I started with a...

21 July 2020 3,761 2 View

How do I detect the onset of each period of a noisy periodic signal (MATLAB preferred)?

I have a noisy periodic signal, like the attached picture, is there a way to extract the time of each onset of each period (shown by red arrows)? MATLAB preferred other programming languages also...

16 July 2020 5,988 8 View

Dose anyone knows 3AO cells (ovarian cancer cells ) background?

25 March 2019 9,796 1 View

Variable importance (a new R2 method)+ Could I just make use of the original model weights to predict direcly under the modified datasets?

When measuring the variable importance, Olden(2015) proposed a new R2-based measure of relative variable importance after revealing methodological weaknesses of PSW and PCW. Its basic steps is...

27 February 2019 988 1 View

In Q-Exactive Orbitrap or Q-TOF, how does the quadrupole select topN ions for MS/MS analysis in data-dependent acquisition?

In high-resolution tandem mass spectrometry such as Q-Exactive Orbitrap and Q-TOF, full scan/ddMS2 is commonly used. In this mode, a full scan is first acquired, followed by fragmentation of top N...

25 February 2019 6,737 6 View

Where can I get a open source code for Multi-spectral segmentation?

15 April 2018 684 4 View

How to synthesize 10nm Ag nanoparticles?

I follow the literature to synthesize Ag nanoparticles, but I can't get the same result. I think the problem is that when should adjust pH?

25 January 2018 9,486 4 View

Who Can Help Me with my Vienna Rectifier Simulink , I just can't lower the THD

The simulink model is past below, The control method is (3-level to 2 level equivalent) SVPWM, I just can't lower the input current THD.

14 August 2017 7,784 4 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

How do you write a simplified C block code of this average-current control on PSIM?

This is a Buck (step-down) Converter and I am new to this program. I need to program with simplified C block and I actually don't know what to do. Can anyone show me how to do this? Or at least...

02 March 2021 8,233 1 View

How can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 2 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

How can I convert .vesta file to a .cif file?

I've used the "export data" option in Vesta software to convert my unit cell into a cif file however when I use that cif in atomsk it shows error such as "can't read the position of atom 0". If I...

28 February 2021 4,966 3 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

How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials?

Hi, all! How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials? I have not find the choice for explicit element in Abaqus CAE. I am wondering whether it is possible...

25 February 2021 9,936 2 View