What etchant should be used for Annealed 17-4 PH stainless steel sheet ??

I wish to determine microstructure of 17-4 PH stainelss steel sheet (annealed condition). What etchant should I use so that a clear microstructure can be found out ??

03 January 2021 9,836 2 View

What is the difference between PEEQ, PE and LE options in abaqus ??

I wish to find out thickness variation in my model, so for that which one I should choose among PEEQ, PE and LE ??

26 December 2020 6,542 2 View

Do you think selfishness and opportunism are key to the success?

Do you think selfishness and opportunism are key to the success? Dou you agree that principles, morals, ethics, intelligence etc. are only useless, show-words, even in the fields of science,...

24 December 2020 10,015 12 View

How to plot thickness contour plot and load diaplacement diagram in stretching simulation in abaqus ?

How can we plot thickness contour plot in stretching simulations in abaqus. Thickness contour plot means variation of thickness with time as stretching takes place. How can we plot load Vs...

10 November 2020 1,019 3 View

What are the methods to automatically annotate a large dataset of images?

Computer vision, Deep learning

22 October 2020 6,027 5 View

How can we measure the content of happiness in a person by applying various mathematical and soft computing techniques?

Here I just want to know about the actual parameters to measure the content of happiness in a person. With the help of these parameters a neural network can be generated and maintained to achieve...

22 September 2020 7,666 2 View

How to calculate cell doubling time from confluecy of cells?

If i am Knowing the confluency of cell culture, is it possible to calculate the doubling time of cells.

23 December 2019 7,456 4 View

What is your hobby? How do you get enjoyment through it?

Almost all of us have one or more hobbies. These vary from person to person, e.g. singing, painting, writing, reading books, net surfing, gossiping, social media, etc. We enjoy ourselves by...

20 October 2019 2,374 11 View

If some paper have good reputation, SCI index and my paper has been accepted in this journal.now they are asking publication charge. should I publish?

If some paper have good reputation, SCI index and my paper has been accepted in this journal. Now they are asking publication charges. should I publish?

24 July 2019 8,591 5 View

Can we apply Exploratory factor analysis on 25 statements if sample size is 100?

Sample size is 100 and respondents are women entrepreneurs

22 April 2019 7,984 8 View

What are some alternatives to the Self-Directed Learning Readiness Scale (SDLRS) developed by Dr. Lucy L. Guglielmino?

The Self-Directed Learning Readiness Scale (SDLRS), also known as the Learning Preference Assessment (LPA), was developed by Dr. Lucy M. Guglielmino in 1977 to measure learners' attitudes of and...

15 February 2021 3,095 4 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

What are backpropagation formulas for residual neural networks?

14 February 2021 4,194 3 View

How to derive equations for a resonant buck converter with ZVS?

I am not understanding how each author is deriving the equations and the working principle. Individual authors are giving their own working principle explanation for different circuit topology....

12 February 2021 496 1 View

Would using an asRNA for repressing transcription of a high expression Listeria monocytogenes non-coding RNA harbored in a plasmid be a viable option?

Hello all, I am interested in deleting a highly expressed non-coding RNA located on a Listeria monocytogenes plasmid. Currently, there are not any optimized gene deletion methods for Listeria...

09 February 2021 4,994 1 View

How to choose the Hidden Layers Number and RBM Size in a DBN network?

Hello, When using a Deep Belief network (DBN) for images classification, how could we choose the number of hidden layers (number of Restricted Boltzmann Machines) and nodes (RBM size) in a hidden...

09 February 2021 4,618 5 View

Is there any similarity index between two time series?

Hi We have two time series dataset. For example mean daily temperature from two stations. Each of them have 30 data for a month. T1={ t1 , t2 ,... , t30 } T2={ t1 , t2 ,... , t30 } Now we want to...

06 February 2021 6,434 7 View

Matrix based scientific data analysis: extrapolating to matrices of sets?

Data sets, when structured, can be put in vector form (v(1)...v(n)), adding time dependency it's v(i, t) for i=1...n and t=1...T. Then we have a matrix of terms v(i, j)... Matrices are important,...

30 January 2021 9,295 6 View

When is the right time to stop training a classification algorithm?

In this example giving 400 samples looks like there is an accuracy of 91.5% while training beyond that point, accuracy is getting decreased. Are 400 samples enough to keep for this example? If...

27 January 2021 5,657 3 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