It is not a school project but in the community where l come from , sources of drinking water have been polluted by mining activities?

More Perpetual Ofori Abankwa's questions See All

What is the most appropriate way of teaching children obedience?

04 May 2018 1,637 0 View

In researching on an implementation of a policy, can you state the policy document an one of the objectives of the study?

For example if you want to work on implementation of IE policy, can you write as objective one: identify the pullers of the IE policy?

04 May 2018 8,589 5 View

How different are learning outcomes from learning objectives?

A teacher sets objectives when planning a lesson. How are learning objectives from learning outcomes?

04 May 2018 9,162 7 View

Do happy people have any particular habits that keep them happy?

Do people do anything special to make them happy?

04 May 2018 6,389 7 View

How can one determine his purpose in life?

What is the reason for our existence as humans?

04 May 2018 971 11 View

What are the most effective ways of managing stress?

03 April 2018 8,118 4 View

What is the role of journalists and free media in world development?

03 April 2018 1,023 2 View

What habits can damage one's brain?

Are there habits that can damage the brain?

01 February 2018 4,182 2 View

Apart from adding ceramic grog to clay to reduce shrinkage , can grog be used for anything else?

Apart from adding ceramic grog to clay to reduce shrinkage, can grog be used for anything else?

01 February 2018 4,965 9 View

Is there a scientific reason why one should sleep on the left side?

It is said that the best sleeping position is to sleep on the left side

01 February 2018 1,711 3 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

How does Scientist/RG community evaluates a case study article and the impact of it on a researcher career?

An article that is published as a case study in the SJR listed journal. How much value is added to a researcher career? How it is evaluated by a scientific researcher/University admission...

02 March 2021 9,661 3 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

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

How can I represent SDS-PAGE results for machine learning analysis?

I am trying to classify and analyze the results of an SDS-PAGE based array for bacterial detection using machine learning, but I have trouble finding the best way to represent the results with...

27 February 2021 9,176 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

How long does it take to get a modeller(for homology modelling) license?

I submitted my e-mail address on modeller website to get a license. The problem is that, the site cannot process my school e-mail (ewhain.net). I submitted my Lab website and school name so that...

25 February 2021 9,054 3 View