Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

How to calculate enthalpy of formation of Polymers taking into account the terminal end groups?

I am trying to find methods for theoretical calculation of enthalpy of formation of Polymers. till now I have found the oligomeric method (Gaussian) which uses the extrapolation of results from...

05 February 2021 9,707 4 View

Can any tell me or suggest any research article or review about the concentration of peptide dissolve in system water and given to Adult Zebrafish?

Hello, everyone! I have chemically synthesized antioxidant peptide isolated from the plant. I have to validate its bioactivities in Adult zebrafish. I have to administer this peptide to zebra...

01 February 2021 5,809 3 View

How can we polymerize carbon to form a layer? Any easy method is there?

I want to polymerize the carbon to make a thin sheet. Is there any easy method to polymerize it?

10 December 2020 1,762 4 View

Separating Trimesoyl Chloride from Thionyl Chloride using Crystallisation OR Liquid Liquid Extraction?

Could somebody please suggest a solvent that dissolves either of the Thionyl Chloride or Trimesoyl Chloride to separate them using Liquid Liquid Extraction. Or we need a solvent to crystallise out...

07 December 2020 2,026 4 View

I am designing an UWB antenna..Please guide how to get wideband instead of multiband..?

By slotting patch and ground I am getting multiband not wideband.pls guide

09 November 2020 3,924 4 View

Can I run joint wald test for more than two regressions to interpret whether the intercepts are jointly equal to zero or not?

I have run 10 regressions using same model for a sample by diving the the sample on the basis of some criteria. The problem I am facing is that I can test the intercepts for individual sample...

25 September 2020 6,314 3 View

Is Cronbach's alfa value 0.5 acceptable ?

I am calculating the whistleblower policy disclosure score for 100 Listed firms in India. I took 31 questions under four categories and scored them 0, 1 & 2 on three-level a) 2 points: If...

09 June 2020 7,729 3 View

How to deploy the equations due to abuse reactions in Li-ion battery in COMSOL?

Dear RG community, I am modeling the thermal abuse behavior of Li-ion cylindrical cell using COMSOL 5.4. Two models are coupled, i.e. 1D electrochemical model (to evaluate the heat generation)...

14 April 2020 8,606 6 View

In COVID-19 modeling estimates for India by CDDEP, Johns Hopkins, and Princeton, what decideds peaking and decay?

COVID-19 modeling estimates for India have been presented by a team of researchers affiliated with CDDEP, Johns Hopkins, and Princeton. The results described in...

28 March 2020 1,623 2 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

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

How to model in HFSS or FEKO Free Space Material Characterization?

I am having trouble setting up this problem in HFSS or FEKO. In HFSS, I've tried both FEM and FEBI-IE solvers. With FEKO, I've tried it's MoM solver and default settings. I am would like model...

09 February 2021 375 2 View

What is best solution for optical metamaterial design calculation: HFSS, COMSOL, CST?

Dear all, Now I'm selecting FEM for design of metamaterials on NIR~VIS frequencies, and keeping 3 software: ANSYS HFSS, COMSOL with wave optics module, and CST STUDIO SUITE. Could you give me...

09 February 2021 9,517 2 View

Sound transmission loss (Acoustic Metamaterial)?

My design contains three parts. A silicon rubber membrane is placed between upper and lower part. I want to calculate sound transmission loss by using comsol Multiphysic. There are lots of...

05 February 2021 466 4 View

Where to add metamaterial unit cells in microstrip patch antenna to enhance the antenna parameters?

In order to enhance the antenna parameters, meta-material unit cells are added but where to load them is more advantageous either at ground plane or at the patch side, also is it necessary to add...

24 January 2021 2,999 4 View

Discrete solution , process hf3d error: Failure in solving matrix - how to solve this error in hfss?

a unit cell of metamaterial has to be analyzed in simulation using hfss. The solution frequency is 10 GHz and range is from 5 to 15 GHz with sweep and interpolating linear step method. Number of...

23 January 2021 2,566 4 View

How to apply Periodic Boundary Condition for line-type geometry?

I wish to apply Floquet boundary condition at left-right ends and up-down ends, and the wish to find out the dispersion relation for the unit cell. But I fail to find any option of Periodic...

24 October 2020 9,908 4 View

How to perform Multipolar Analysis in a resonant metamaterial structure?

As multipolar analysis is a key to find out contribution of different dipole moments, quadrupole moments causing the resonance in a metamaterial. I want to know the method, software and...

12 October 2020 7,012 6 View

How to calculate distance between antenna and metamaterials ?

Hello every one, I'm working with a bowtie antenna based on metamaterials. How can i calculate the distance between the antenna and the metamaterial unit cells in order to resonate at the...

07 September 2020 1,077 5 View