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

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

Any advice on Quartz XRD plate analysis?

18 October 2015 523 5 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

RNA degraded after good nanodrop readings?

23 February 2021 8,850 2 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

How to find the capacitive response frequency from the impedance plot?

I have done electrochemical impedance by using cyclic voltammetry for one organic material. from that, I plotted bode diagram. but actually, I am very confused about how to find the capacitive...

18 February 2021 3,023 3 View