Do you buy it?

Along with the experiences that I got through my master thesis in topics related to Human computer interaction and Investigating software failure cases. I'm planning to start a Ph.D. in topics...

18 April 2020 3,668 2 View

Why the color of tires Is black and not another color?

02 March 2020 6,093 3 View

Why the color of tires Is black and not another color?

02 March 2020 3,900 2 View

What is the device used to measure the stresses on the rotary plow machines in the field?

What is the device used to measure the stresses on the rotary plow machines in the field?

10 December 2018 6,118 1 View

How can I calculate the complex refractive index of non absorbing nanoparticles in an absorbing medium?

How can I calculate the complex refractive index of non absorbing nanoparticles in an absorbing medium?

24 February 2016 5,816 3 View

Can I convert an indirect band gap semiconductor to direct band gap semiconductor?

31 October 2014 3,776 13 View

What is the effect of doping density on the band gap of semiconductors?

Is there any relation between them?

20 July 2014 1,470 5 View

How can I remove a thin Cu/Ag film from germanium substrate using the chemical method?

Without any damage on germanium substrate

18 June 2014 673 3 View

How to ectract features from EEG signal in matlab using short time Fourier transform ?

i want to use the features after that as an input for some classifiers in order to detect sleep spindles. p.s. i have an online published EEG sleep spindles data.

01 January 1970 4,189 3 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate?

Hello all... I m looking for a method for assay DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate in aqueous samples (cosmetic product) using GC- MS mass spectrum HP- 5 ms U.I 0.25...

13 February 2021 7,629 3 View

Best loss function for special classification problem in neural networks ?

Hello, I've build a Conv1D model to classify items into 6 categories (from 0 to 5). (simplified example) I use therefore a CrossEntropy loss function that penalizes the errors with high...

19 January 2021 3,199 1 View

How to generate ECFP hashing folding data?

I'm trying to convert chemical structures to ECFP data. Buy, I have a problem about folding step. I understand all of the process about generating ECFP data though D. Rogers and M. Hahn's paper...

09 January 2021 7,454 2 View

Why train curves are being repeated in this five fold cross validation?

Hello, I am using ...... optimizer = RMSprop(lr=1e-4, decay=1e-6) N_FOLDS = 5 EPOCHS = 20 INIT_LR = 1e-4 Train_Batch_Size = 32 Valid_Batch_Size = 32 decay_rate = 0.95 decay_step =...

30 December 2020 2,519 3 View

Bravo UAV half scale trainer analysis?

is there any source available to get exact data of airfoil and wings analysis file?

28 December 2020 3,494 1 View

What are the best methods for clearning and mounting old Insects?

Could anyone suggest appropriate methods for positioning of legs, wings and antennae of dry Beetles. Methods for cleaning of their body as well. Insects are small in size about 2mm. I will be...

27 December 2020 2,544 7 View

How to change material in ANSYS & perform brittle deformation ?

I am currently working on a model for fracture generation due to pressure applied in ANSYS. When I am working with structural steel material it is showing only folding not any fracture initiation...

16 December 2020 3,826 3 View

How to add composite materials in the inner structure of an airplane wing?

Hello. I am trying to do a static analysis of a torque box using shell elements and I have the following issue. I have modeled the Boeing 737 wing (torque box) in Autodesk Inventor using...

13 December 2020 1,861 3 View

Why accuracy over each k-fold corssValidation differ alot?

I have a data set with 91 Obervsation with 700 features. I have reduced the dimension of data using PCA? then I split the data set into 70/30. After that applied kfold =10 cross-validations on...

04 December 2020 1,259 4 View