What is dielectric constant of Ethanol at 15-20 GHz?

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Which techniques is suitable for analyzed the secondary metabolites from the plants??

I am working on the biosynthesis of silver nanoparticles, before that I want to Phytochemical screening the particular plants, for analyzed the antibacterial compounds, which technique is...

11 September 2023 1,735 4 View

How to prepared the solution of silver nanoparticles for antibacterial activity through MIC?

Silver nanoparticles are prepared commercially in solid form, but i want to make the solution for antibacterial properties through MIC 96 well plates

14 June 2022 3,335 2 View

How can we change the fluence of femtosecond laser by keeping other parameters constant?

Working on a femtosecond laser which is mode locked, we can not change the pulse energy and wavelength so we have to change its fluence

15 October 2020 7,122 6 View

How to Model HVDC in PSS/E?

Hi, I am fresh user and our task is to model HVDC in PSS/E. I am looking for following answers, if possible. 1) what are the steps to create user defined model, I studied module writing chapter of...

28 February 2019 9,713 4 View

Polymer sample should be heated directly on heating plate, or sample should place on supporting substrate (e.g., glass slab)? What is common practice?

During Polymer fabrication, monomer and cross linking agent along with photo-initiator are poured onto a glass slab, UV cured, and next step is thermal curing. This polymer sample should place on...

09 October 2017 4,653 1 View

Dielectric constant of gases possess values very close to each other. Why?

It is well known that dielectric constant of liquids/gases change with temperature, and frequency, besides some other parameters may influence it. Can anyone comment on the following...

25 April 2017 9,190 7 View

Should vias be connected through soldering on fabricated sample?

Substrate Integrated Waveguide (SIW) having vias close to boundary (inside); work as inductive wall and confine the E field inside the center of the patch having those vias. On fabrication side,...

11 April 2016 6,888 2 View

Should vias be connected through soldering on fabricated sample?

Substrate Integrated Waveguide (SIW) having vias close to boundary (inside); work as inductive wall and confine the E field inside the center of the patch having those vias. On fabrication side,...

03 April 2016 9,179 2 View

What is the dielectric constant and loss tangent of De-Ionized water at 10 GHz?

I am using HFSS simulator, but I knew that dielectric constant and loss tangent values of materials inside its database can be used for low frequency only (around 2 GHz). I consulted different...

04 January 2016 3,532 5 View

How can I feed a cavity resonator (air filled and with capacitive post)?

Regarding coaxial connector (if feed from top/bottom side), I am confused. If inner cylinder of coax is connected to bottom side copper, where outer cylinder of coax should connect? Is there any...

01 December 2015 1,678 6 View

How to develop investments in renewable energy sources?

08 August 2024 5,112 3 View

Is there any cases algae not using the nutrient from the wastewater and grow normally?

I am working on microalgae cultivation using waste water. The initial concentration of nutrients were less but the microalgae has achieved biomass growth of 2 g/L. The final concentration of...

08 August 2024 4,812 2 View

How does grain and grain boundary affect the ceramic when studying its dielectric properties?

I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...

07 August 2024 5,177 3 View

Different ways to store biogas ?

Different Storage methods of biogas can be listed here: In India people are storing in Biogas Storage Bags made of different materials? Let us list the details here to find the best quality...

01 August 2024 635 2 View

For the moringa oleifera extract using ethanol as the solvent,what is the alternative method to concentrate the extract other than rotary evaporation?

99% pure ethanol was used for maceration also alternate methods along with the temperature and time to concentrate the extract can be specified

31 July 2024 5,113 4 View

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...

30 July 2024 9,824 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

Is there a database with onshore wind production for the wind farms in Portugal?

I am looking to predict some production for future onshore wind energy production in Portugal, is there any database with info of performances of the existing wind farms in the country? something...

28 July 2024 1,750 1 View

HAs anyone used TGA to find activation enegy of water evaporation?

I have different polymer solutions and I hypothesize that water molecules are retained based on the water-polymer interactions, so the amount of free water is less to intercat with drug tablet....

28 July 2024 9,545 6 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View