How to calculate the freezing temperature in Vogel–Fulcher relationship?

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How to find ionic conductivity of a polymer electrolyte membrane using electrochemical work station and what kind of electrode system we need ?

what electrode system i can use to analysis the polymer electrolyte membrane . i need clear about electrode system

15 February 2023 940 0 View

How to find a transference number of the solid polymer electrolyte without EIS ?

i prepared SPE with biopolymer i want to transference number . what are the methods are available

24 January 2023 8,493 3 View

How to find out the weight percentage of the polymer electrolyte preparation for battery application?

why ionic conductivity more important than the electron conductions.

23 November 2022 3,405 1 View

What are the recommended algorithms for predictive modelling (continuous data) ?

I would like to know what regression algorithm works best with complex data with good accuracy and RMSE score.

31 October 2022 1,380 6 View

What is the best way to convert satellite/drone images to csv( band values) format using python ?

Or are there any other ways to get the band values ?

09 May 2022 4,913 3 View

Can we use dependent test data for accuracy assessment in Google Earth Engine ?

For my study on LULC, I sampled 1000 points for training and validation in a 70:30 ratio. To further improve my classification, I introduced another 10 sample points for each class from the same...

26 June 2021 6,301 3 View

How to find the speed of a vehicle at different gradients?

Taken: Mass (bike+rider)= 100kg, speed=35kmph on flat road, gradients=1%,15%. I tried calculating the speed but the results are not logically convincing ( Take a look at the picture for a better...

06 June 2021 3,399 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 1,485 3 View

What kind of blue tooth device and micro controller use for a smart glove hand gesture sensor for deaf and dumb people?

There are many projects related to the smart gloves and hand gestures recognize sensors, to communicate with each other with normal and disabled people. To eradicate the communication barrier the...

21 January 2020 707 1 View

Can any one help me to understand why different formula is used for calculating photo conversion efficiency of a PEC solar cell?

For some PEC cells, % εef f(photo) = Jp[Eo rev (1.23)− |Eapp|] × 100/(Io) this is used whereas it is reported for some electrochemical photovoltaic cells as η=((FF Voc Isc))/((Pin A )) X 100....

29 November 2016 3,031 6 View

Can formaldehyd-fixed gelatin be melt?

I am puzzled about the properties of gelatin, when used for tissue-embedding. Hard gelatin can be melt again by temperatures about 40°C. Formalin-fixed gelatin is like crosslinked protein and...

07 August 2024 1,686 1 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

Can anyone explain why there is not any color bands in the middle portion of the tensile coupon?

Details of the Analysis. Static Analysis Composite Layup Continuum Shell Elements FRP Material (Elastic and Hashin Damage)

03 August 2024 8,538 4 View

Melt curve problem in qPCR?

Do these peaks in the curve indicate primer dimer or non-specific products?

01 August 2024 7,466 0 View

What is the best protocol for freezing the rat brain in preparation for protein detection by Elisa ?

What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?

01 August 2024 1,722 1 View

How to Post-fix Mice pup's brains?

I need to Postfix mice brains. I slice the brains using microtome at 40 microns. These are Postnatal days 7, 11, 14, and 21. I am using half the brain for other analysis, so I need to fresh freeze...

31 July 2024 1,123 4 View

Why might I be observing hysteresis in my stress-strain curves when using the Mohr-Coulomb model, despite not applying dynamic loading?

While working on caisson foundation, I applied static vertical load

25 July 2024 9,357 1 View

What is the right voltage sweep direction for characterization of HER kinetics?

In general, when performing a Tafel analysis for corrosion resistance measurements, a line voltage scan is performed from say -250 to +250 mV vs. OCV at low scan speed around 0.125 mV/s. However,...

25 July 2024 7,982 3 View

How to Freeze Embryos for Spatial Transcriptomics?

Hello everyone, I am currently working on a project involving spatial transcriptomics on E14 mouse embryos. We need to perform cryosectioning without fixing the embryos. Here is the protocol we...

10 July 2024 5,985 0 View

Is there a subtle distinction between the terms "substitution" and "doping"?

Dear Prof, is there a subtle distinction between the terms "substitution" and "doping" when referring to modifying ceramic dielectric materials for example Na0.5Bi0.5TiO3? Is there any difference...

08 July 2024 2,043 3 View