Why modal significance of designed metasurface antenna constant as shown in the figure ?

I designed the metasurface antenna C band and X band applications. it provides very wide bandwidth with more than 10 dB gain . I used characteristic mode analysis (CMA) in CST. the result provided...

03 August 2020 5,374 2 View

How to plot this simple step pressure response of an integral controller using SIMULINK?

I don't know how to use SIMULINK... Also, the science of control systems is my Minor field of research ... I want to enhance my skills for this field.. Help me to plot and estimate the...

06 February 2020 8,302 16 View

Do you have any application of thermal engineering that is solved using SIMULINK?

I'm searching for MATLAB/SIMULINK tutorials that predict the temperature or pressure response of any negative feed back closed loop control systems such as: 1- Temperature control of fluid in...

08 December 2019 3,221 5 View

What is the best Simulink text book that is most suitable to solve applications of thermal engineering?

Hi.. What is the best MATLAB text book that is most suitable and full of solved examples to teach students how to solve applications of thermal engineering using Simulink?

05 December 2019 8,241 2 View

Why inorganic perovskites are unstable?

I know organic-inorganic and all-inorganic perovskites are unstable, the first one is due to reaction organic cation with the moisture, and inorganic perovskites are "electrochemically " are not...

01 June 2019 2,429 2 View

I got a liquid DNA primer! does anyone worked with liquid primers before? and it came without colling! no dry ice , nothing?

Infos I have on the sheet is 23.3 nmoles, OD 5.20. The question is, is it already 100mM or do I need to dilute? No idea! Please let me know if you have experience with this!

19 June 2018 4,201 4 View

is there an equipment (a method) to measure tissue pH from outside (e.g. percutaneous) ?

i would like to gauge the effect of certain food, drugs etc. on the pH deep tissue.

28 March 2018 7,490 2 View

What are the recent advances and studies in early ( pre-clinical )detection of occult breast cancer?

Most available diagnostic methods for early detection of breast cancer detect tumor after it had reached a relatively dangerous size concerning tumor pathogenesity. Besides , most are either...

08 December 2017 1,634 3 View

What's the proportion for the peak area of identifiable compounds based on NIST database to the total detected products used GC-MS?

25 July 2017 7,830 10 View

Do you know a questionnaire for strategic ignorance?

do you know questionnaire about strategic ignorance. thank you.

14 December 2015 3,769 2 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View

Magnetismic Gravity in the universe?

MAGNETISMIC GRAVITY What is magnetism? Something magnetic has a + and - charge. If 2 + or - are pushed if + and - are pulled. But what is the main reason for this? Why does magnetism have a pull...

21 February 2021 9,538 3 View

Specify the Burgers vectors for dislocations, which cannot be uniquely identified.?

1. A bcc metal single crystal was sliced along (1 -1 0) plane for TEM study. Assuming that the TEM available is equipped with a goniometer stage which tilts up to 45o. The Burgers vector of...

20 February 2021 2,370 1 View