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

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

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

What are damage parameters for SMA while modelling on ABAQUS 2020?

I have given Elastic and Superelastic material properties, but I think we need to provide the damage parameters also. Please help me here.

16 February 2021 8,694 1 View

Aspen Plus Error: Unknown or undefined bead number?

Hello, in my Aspen Plus Simulation (see attachment) there are two heat exchangers. One HEX1 (oil+gas) ist fed by hot gas which ist coming out of a burner. The other HEX2 (gas+gas) shall work as a...

14 February 2021 8,096 2 View

Is this 6GHz wifi antenna create complexity at the time of febrication?

I have design a 6GHz antenna for wifi.The feed line width is 2mm and there are 2 parasitic elements beside this feed line with 1 mm gap.Is there any problem at the time of febrication?

04 February 2021 9,241 3 View

In Microstrip patch antenna ,How to turn on the diode ,which is placed in the antenna slot with DC blocking capacitor ?

In Microstrip patch antenna ,How to turn on the diode ,which is placed in the antenna slot with DC blocking capacitor ?but entire patch is in AC supply due to antenna feed..

01 February 2021 4,904 3 View

Do you know non-feeding larval instars in insects?

Hi, I am looking for information about insects having a larval instar that does not feed at all. In other words, able to molt to the next instar without acquiring any nutrient. Does anyone know...

20 January 2021 9,387 19 View

Triggering feeding of beetles / how to make them hungry?

Hey, I am working with Psylliodes chrysocephala feeding on oilseed rape. In feeding trials I often have the problem that a huge portion of the beetles do not feed at all. In clip cages I observed...

19 January 2021 9,851 6 View

I'm facing some troubling in designing a anteena ....anyone tell me how give CPW feed in cst ?

I want to give a CPW feed anyone suggest how to providea feed in antenna which I'm designed

18 January 2021 3,517 2 View

Does heat in goat affected by feeding or BCS of the animal?

Does feeding affect heat in animal? if we were to add a specific feed (with data on dry matter content), how can we correlate feeding to estrus?

10 January 2021 9,719 13 View