PTC( positive temperature coefficient) materials , is there any way to cool down faster these materials after curing them?

I need at least an overnight to measure the resistance of a PTC ink after curing it. I am looking for a faster way to have the resistance value.

19 March 2020 9,827 3 View

Is there a database for miRNA of cancers?

I am searching for miRNA database that contains the nucleotide sequences of cancers in the human genome. I have found a database that characterizes the samples by the number of reads_per_millio...

07 March 2019 9,628 3 View

Is there a database for C.elegans RNA?

I wish to locate miRNA in C.elegans based on the signal processing tools; so i have to know the RNA sequences of the entire chromosomes. I would appreciate all the help I can get, thanks.

28 January 2018 9,958 4 View

How to write a custom function for distance for the fitcknn?

Hello, hello , I need a matlab code for using custom function(distance function) for distance parameter with ficknn or classificationknn. In fact i want to define the distance below...

18 May 2017 2,658 1 View

Weighted sum error in discrete adaboost should be small than 0.5 and great than 1

Hi, I'm confused with the condition of the sum eeror for a wek learner. Sometimes i find a condition that err

15 January 2017 1,276 6 View

What is the residence time of dust aerosols over the MENA region (below 1.5km, near surface)?

I am trying to estimate the residence time of dust aerosol over the MENA region. I have tried to compute it using the equation T=fct(radius, normalized_radius,Twet). But, Twet varies with the...

29 November 2015 8,626 5 View

Where can I find a free database for C.elegans nucleosomes?

C.elegans nucleosomes.

16 September 2014 5,655 3 View

I am looking for the global maps of soil clay fraction, soil texture, and soil erodibility?

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12 February 2014 7,248 1 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 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

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View