Sisay Derso Mengesha

3 Questions 7 Answers 0 Followers

Questions related from Sisay Derso Mengesha

How I can merge ODK data into one flat-file using stataSE14?

We collected household data using ODK system and we found 1 main data and 6 other attributable data. So, we need to merge these 6 different data to the main one. Once we have a flat file, we are...

16 January 2019 1,827 2 View

What are the best Effect-biomarkers in human subject for toxic metals like lead, cadmium and etc,.?

Exposure can be estimated by measuring pollutant levels in various body tissue.These measurements are useful tools for human exposure assessment. Therefore, I looking for to know which effect...

03 August 2018 5,263 9 View

Could someone advise me a better method for Nitrate Nitrogen determination on Liquored industry wastewater?

I am currently collecting water samples from River and industrial effluents to determine the contamination level and to know some specific sources of pollution across the Akaki River. the study...

29 September 2017 3,876 5 View