Can a semi-conductor material have different absorption coefficient?

Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...

23 February 2021 9,799 4 View

Are solar cells operated under any kind of bias or not?

I am trying to understand the physics behind solar cells. As far as I know, they work simply on the principle of pn junction diode. The optically generated charge carried are transported to the...

16 November 2020 245 7 View

Can anyone please help me in extracting the spectra from the image obtained from the CCD?

I obtained the image from CCD using the LabVIEW program. Now I need to get the spectral feature from this image. I have the calibrated wavelength for this as well. I will be glad if anyone...

15 July 2020 311 1 View

Where should I start on learning Molecular Dynamics simulation of materials like Aerogels?

I want to study thermal conductivity of Aerogel materials by using Molecular Dynamics simulation. I am new to Molecular Simulation techniques and don't know where to start.

28 June 2020 8,474 3 View

Whether sex ratio affects fertility and hatchability in japanese quails? under what mechanism of action sex ratio affects these parameters?

sex ratio, fertility, hatchability, Japanese quails

17 August 2016 149 3 View

Can anyone help me draw multipath Error Envelope for different correlators in GPS?

I want to know how to draw Multipath Error Envelope and Running average Error for different correlators in GPS . like narrow correlators and High resolution correlators

01 October 2015 7,084 1 View

How to measure the antioxidant activity in Azolla pinnata?

What would be the specific method for the measurement of antioxidant activity? How the measurement will be carried out?

01 January 1970 8,231 4 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

Is aligning mitochondrial and nuclear sequences inconsequential?

Probably a silly question but I am a complete novice in molecular biology. I have decided to attempt a phylogenetic analysis. I have managed to create a phylogenetic tree but want to confirm...

19 January 2021 5,895 2 View

How can I make unsupervised clustering of trees species using algorithms like HAC, Kmeans... in R?

I am working on the development of multi-species volume allometric equation from diameter (DBH). I would like to form groups of species with the largest possible volume-diameter correlations by...

19 January 2021 5,752 5 View

Can anyone please tell me, what will be the Crop Coefficient value for shortleaf pine and oak tree in HEC-HMS model simulation?

my study area located in the forest region having Shortleaf Pine and Oaktree, thus in the Canopy Method I am trying to get the Crop Coefficient value of these trees but did not get anything.

18 January 2021 9,789 1 View

What is the classification of tree species by texture analysis technique on drone images?

Hi My goal is to distinguish forest tree species (in dense forests) with drone images. I did not get acceptable results using spectral features. Because the pictures were taken in the fall and the...

07 January 2021 7,494 3 View