06 April 2020 4 813 Report

Opposition based learning

More Arnab Majumder's questions See All
Dear Scholars, do you have the latest data (1982 to 2019/2020) of ICRG (International Country Risk Guide)?

Dear Respected Scholars, I am in need of the latest data set (1982 to 2019/20) of ICRG. I would be grateful If you share those data with me. My email address: [email protected],...

13 February 2021 2,631 1 View

What is the best analytical software for XRD data?

How can I determine any phase from the powder XRD data and how can I determine the morphous or amorphous state of the sample from XRD data?

09 February 2021 7,867 5 View

How to do mono formylation of N,N-diethyl-3-methoxybenzamide?

I have attempted the formylation of the above mentioned compound using a very well reported protocol using secondary Butyl Lithium and TMEDA at - 78 degrees Celsius. I have done it quite a few...

08 February 2021 2,793 2 View

Will the wider bandgap be at the core or outer layer of radial sc?

I am simulating a radial p+AlGaAs-pGaAs- n+GaAs Solar cell. AlGaAs has the wider band gap. I want to know if and how it matters whether tha AlGaAs is at the core or the outside. I know in tandem...

06 November 2020 9,293 4 View

Is there any solvent which can be used for ammonia and H2S separation other than caustic or strong acids?

Is there any particular solvent which can selectively remove H2S from ammonia? As amine solvents cannot be used for H2S separation because ammonia is present which will create a problem fro amine...

03 August 2020 747 3 View

What if I can't find k values for n,k files in Atlas, Silvaco ?

Hello, I am looking for simulating GaAs(x)N(1-x) Material is Atlas, But I am not able to find the k values to give in the n,k index files, but I have the data for n. What should I do?

30 July 2020 7,912 2 View

Alternatives to Matplotlib and Plotly for Data Visualization in Python?

I work extensively with Objective data (Time Series for Temperature, Relative Humidity, Heat Flux Measurements, Air Velocity etc.) and Subjective Data (Comfort Perception and preferences). Till...

07 May 2020 6,784 4 View

How can I measure the amount of essential oil and tannic acid uptake in nanoparticles like chitosan, silica by Thermogravimetric analysis (TGA)?

I want to measure the Essential oil and tannic acid uptake in nanoparticles like Chitosan, silica by TGA. Can anyone provide me a protocol for that?

14 February 2020 5,749 2 View

I want to purchase Laponite XLG (nanoclay). Can anybody suggest me about its suppliers in India?

This material is commonly used as rheology modifier and has wide usage in the cosmetic industry.

17 November 2019 7,804 2 View

What is Bait/Hit role type in Biogrid gene interactors table?

Please find below the interactors table for gene GNB2 from BIOGrid. The Role column provides a sense of directionality to the interactor mentioned in column 1. Can anyone kindly clarify the...

29 October 2019 4,089 1 View

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What Characteristics makes CNN work better?

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What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

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Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

What is the difference between L1 and L2 regularization in machine learning?

L1 and L2 regularization

28 February 2021 4,187 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

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