Could anyone tell me what is the range of submillimeter wave?

There is confusion regarding the submillimeter-wave range. Many papers specify its range from 300GHz but some also consider its range from 100GHz. If I design an antenna on 122ghz what would I...

01 March 2021 516 7 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

I am desigining UWB antenna with ecllipse shaped patch on HFSS.Why gain is coming negative ?

I am attaching my design and result of Gains.S11 parameter is less than -10dB from 3.1 to 9.8 Ghz.Z11 magnitude also lies between 40 -60 ohm for this range .Still gain is negative. Pls help

29 January 2021 4,334 3 View

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28 December 2020 8,302 3 View

Face shield is better or face mask is better to prevent COVID-19 transmission?

In society we see some people using face mask and some using face shield, some people even says face shield to be superior to face mask to prevent transmission. the government and the various...

30 September 2020 4,224 18 View

Not able to find proper journal for publishing review article?

i have written a review paper on topic covid-19 and smoking explaining the underlying mechanism why smokers are more prone and higher severity in them but not finding a journal for publication...

20 September 2020 7,255 3 View

Applications for $R_{\alpha}, R_{\beta}$ and $R_{m}$ -functions in mathematical or applied sciences??

Can any one suggest application(s) for $R_{\alpha}, R_{\beta}$ and $R_{m}$ -functions in mathematical or applied sciences; which is recently introduced in following research paper; H. M....

17 September 2020 1,788 3 View

Why we add 0.5 in all observations when apply square root transformation?

When data violates assumption of ANOVA, then we apply transformation. But my question is that in square root transformation some value are zero then why we add only 0.5 in all observations, why...

07 September 2020 6,119 1 View

I am doing for Protein-ligand MD simulation using Gromacs but facing some problem during Ligand Topology step. How to resolve it ?

after running python3 cgenff_charmm2gmx_py3_nx2.py LIG lig_fix.mol2 lig.str charmm36-jul2020.ff I am getting following error: error in atomgroup.py: read_mol2_coor_only: no. of atoms in mol2 (44)...

30 August 2020 4,546 3 View

Are we addressing other health dimensions adequately during COVID-19?

Too much focus on pandemic containment has sidelined other dimensions of health like reproductive/sexual health, adolescent health, mental health, geriatric health etc. Are we heading on right...

20 July 2020 2,849 3 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

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 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

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 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