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

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

Recovery and internal standard

In the analysis of micropollutants from environmental samples, surrogates are often used to monitor recoveries in extraction and cleanup. These surrogates are often isotope labelled analytes. For...

23 July 2017 6,726 0 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 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

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

01 March 2021 8,087 3 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Any suggestions for a website that allows you to create questionnaires and gather unlimited data (Totally free)?

I have found only four of them; www.surveyplanet.com www.online-anket.gen.tr www.surveey.com and of course google forms. Expecting to see your suggestions if there is any. Thank you

28 February 2021 3,237 3 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View