Which influence of the harvester speed on the collected energy?

Suppose an energy harvester moving in parallel near to transfer power lines (to profit from the electromagnetic field induced around those lines). In such a case, what is the expected influence of...

12 August 2020 745 3 View

Dear Respectable members of RG, What should countries do different to curb the further spread and complete eradication of COVID-19?

The continued spread of COVID-19 across the globe is worrying. Especially in Africa specifically Ghana the reported cases keep increasing. In Ghana, on-going voter registration exercise and...

02 July 2020 9,278 4 View

What statistical technique shall I follow?

Dear researchers, I want to compare three different means of the same group. For example, I want to know which school subject my students (independent variable)are good at depending on their...

02 May 2020 724 23 View

Image watermarking : How to implement (RIDWT) Redistributed invariant discrete wavelet transform?

I am wondering how to implement RIDWT in Matlab , i found several related papers implementing RIDWT but their description is incomplete . I have tried to convert their equations into Matlab code...

04 March 2020 6,218 2 View

How often do teachers integrate technology and their beliefs about learning: Is there a connection?

Teachers/instructors in the various universities or colleges and other institutions act as a cog in regulating students with the view of impacting and sharing knowledge on to them.

08 April 2019 3,357 10 View

Hye, i am doing research on optimal placemen of PMU using PSO alg. can someone tell me how to find PMU in matlab for simulation and how to use PSO?

i am in trouble of finding PMU device in matlab to implement in simulation for different Bus-system.Although, there is a difficulty of using PSO algorithm for the optimal placement of PMU. it...

19 March 2019 5,215 6 View

Can somebody please tell me what's wrong with the last three lines of code below? am trying to extract data from .nc file using matlab?

%% Open netcdf ncid = netcdf.open('C:\Users\Owner\Desktop\t\tasmax_AFR-44_MOHC-HadGEM2-ES_historical_r1i1p1_SMHI-RCA4_v1_day_19510101-19551230.nc','NC_NOWRITE'); %% Get all information about the...

17 March 2018 6,784 6 View

How to hook up a 3 electrode electrochemical cell to EIS?

Hello everyone, I am very new to electrochemistry, I am trying to run EIS on an 3 electrode cell, where does each electrode go in the EIS terminals? EIS has 4 wires coming out HI and LO potentian,...

19 April 2016 7,677 4 View

Which type of electromagnetic waves can penetrate metals ?

which type of electromagnetic waves can penetrate metals?

20 March 2016 5,960 11 View

How do i prepare 1mg/ml stock solution of a plant extract?

am working on determination of total phenolics and flavonoids

28 February 2016 8,857 14 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