Is it essential to get ethical clearance to conduct a questionnaire survey on nutritional status of the children?

one of my colleagues doing research and collecting data on nutritional status of children using questionnaires and direct observation. whether ethical clearance certificate is needed for this study.

01 February 2018 6,152 10 View

Are there any relationship between water temperature and the presence of heavy metals in water?

trying to explain the relationship in the lagoon water systems under water quality studies

10 November 2016 6,235 0 View

How to calculate the total organic loading rate (TOLR) in terms of chemical oxygen demand (COD)?

03 April 2016 3,246 12 View

What are the possible methods to eradicate Eichornia sp from lagoon eco system?

In most of the places they are following mechanical removal

03 April 2016 520 0 View

Is it worth to publish our research paper in Online international journals?

there are several online journals are emerging during these days. without having impact factors

07 August 2014 406 0 View

Is it possible to estimate the runoff from the residential area to the river using rainfall data and land area?

I'm looking to estimate the runoff as part of my research study (PhD) by collecting the data on daily rainfall and land area of that particular place.

02 March 2014 3,816 6 View

CALL FOR PAPERS FOR 2nd INTERNATIONAL SYMPOSIUM ON AGRICULTURE 2019 , Eastern University, Sri Lanka

Faculty of Agriculture, Eastern University Sri Lanka is organizing the 2nd International Symposium on Agriculture (ISA 2019). Date : 9th January 2019 Venue : Nallaiah Auditorium, Eastern...

01 January 1970 8,933 2 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

Which type of loading is to be used in dynamic analysis of Machien foundation?

Hello Everyone, Hope you all are doing well. I'm trying to simulate a machine foundation in ABAQUS with a geo-cell reinforced soil bed. Im totally confused to which type of loading would be...

21 February 2021 4,388 3 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View

Does any one have experience with Autoclavable cell culture media (RPMI 1640/DMEM)? Does it work well?

12 February 2021 2,958 1 View

How to determinate of molecular structure of salt into the liquid?

I need to determine the open formula of our complex, presumably consisting of sodium tungstate Na2WO4 and aluminum sulfate Al2 (SO4) 3. Our problem is that with an increase in the concentration...

11 February 2021 5,821 1 View

Measurement of water retention in organic substrates without a pressure plate?

Hello, I'm trying to measure the physical and hydrological properties of organic substrate media. Currently, I'm referring The book Soil sampling and Methods of Analysis by Carter and Gregorich....

09 February 2021 3,233 8 View

How do I change g/l into mM for bacto agar. I am trying to get the millimolar content of sodium and chloride percentage in bacto agar. How do I do it?

I am doing a salt tolerance-related experiment and for that I need to relate my salt levels to that in bacto agar. I don't want my salt concentrations to increase due to already salt content...

09 February 2021 4,158 1 View