Can pilot study done under the same sampling frame of parent research?

12 April 2020 5,110 3 View

What are the differences among Distilled water, Deionized water and Sterile water? Under what circumstances we have to use these water?

Organic materials and inorganic minerals are the most common impurities found in water.

17 December 2019 7,509 4 View

How can we overcome false PCR?

A possible false positive reaction can occur if test plan sample are contaminated or infected. As PCR is a kind of enzyme reaction, any factors that affect an enzyme reaction could also result in...

14 April 2019 146 5 View

What are the effective k points in Auger Recombination Rate/Impact Ionization Rate calculation using supercell?

For DFT or TB or any scf calculation supercell is needed to include the defects in material. Now I get the the converged eigen energy and eigen vector at supercell k vector. I can unfold the band...

30 August 2017 7,735 2 View

Dear Altruists,I want to know ...what kind of trace metals have in the household dust/ kitchen dust/ solid smoke after burning biomass for long time?

I am working on Assessments of health & environmental effects for biomass burning . My main aim is to find out the trace metals usually have in the sample of dust that collected from household...

03 March 2017 552 3 View

What is the physical meaning of Effective Band Structure (EBS) in projection based unfolding mechanism?

There are unfolding mechanism for supercell based first principle calculation for both plane wave basis sets and localized basis sets. Some of the example are in the following...

16 January 2017 7,496 2 View

How do plants defend themselves from insects?

From a phytochemical standpoint, plants are producers of chemicals (primary and secondary metabolites) and insects are consumers. Plants display physical and chemical defensive adaptations against...

01 January 1970 3,603 26 View

How can we take a good decision?

Decision making can be regarded as the mental processes (cognitive process) resulting in the selection of a course of action among several alternative scenarios. The more alternatives, the more...

01 January 1970 3,348 5 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

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.

03 March 2021 6,145 3 View

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

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

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View