How to analyse Dielectric function graph obtained from VASP to find the effect on solar absorption ?

I have calculated the frequency dependent dielectric function of cubic CH3NH3PbI3 using VASP. Imaginary and real parts of the dielectric function have been graphed as below. I need to know the...

06 November 2019 6,417 3 View

How to find frequency dependent dielectric properties of Hybrid perovskite (Eg. CH3NH3BiI3 , CH3NH3SnI3) ?

This is my first attempt to calculate dielectric function. I was trying to calculate dielectric function using VASP as it is advised in the tutorial in VASP. Its a 3 step process. 1.Standard...

23 August 2019 4,582 4 View

Can someone tell me.Can I use the CN number of the table provided for my study area (Sri Lanka) when I calculate surface runoff using SCS - CN method?

What I want to know is that table value only for United State or It can be used over the any place of world?

21 June 2019 5,718 10 View

Can anyone tell me if it is possible to create a surface temperature map using a satellite image of Sentinel - 2?

I know the Landsat 8 have some band that contain surface temperature value. I want to know what about sentinel?

04 June 2019 348 11 View

How to convert XYZ file to Gtif file by using gdal.?

I have 533 XYZ files. i want to convert these all files in to gtif files. i am looking to convert these all files together. Do you have any java or python script to convert these all files together.

25 February 2019 8,928 6 View

Is it possible to sequence whole genome from naturally shed bird feathers?

Hello, I'm trying to develop a proposal to investigate the genome of a wild bird species. Since these birds are very fragile and active, very hard to catch. So I'm considering some non invasive...

29 November 2017 6,596 2 View

How many GCMs would you use if you are making a model ensemble for climate change impact assessment ?

15 February 2015 905 5 View

When deriving the precipitation data from NETCDF files of CMIP5 GCMs, should I interpolate or just get the nearest point ?

In the climate change studies, we have to use CMIP5 data sets in NETCDF files. Should we interpolate between two points when getting prcp data for a point OR get the nearest point ? What is the...

17 July 2014 8,744 6 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

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03 March 2021 5,360 2 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View