Hashim H. Kareem Aldhahi

6 Questions 27 Answers 0 Followers

Questions related from Hashim H. Kareem Aldhahi

What is the best way to teach applied sciences through E-learning?

I am an instructer at college of agriculture and I have difficulty to deliver the knowlege to my students in 3-learning especially in applied subjects and topics.

05 June 2020 8,857 14 View

How to modified pH during determination of calcium and magnesium in plant tissues?

When we analyse plant tissues we faced difficulty in modefoed pH for Na-EDTA titration method to determination of Ca and Mg. Notice that the solution was strongly acid due to acid digestion of...

14 May 2020 6,390 0 View

What is the constraints of E-learning in third world countries?

Most of under developed countries are going to use E-learning to face wide spread of Coronavirus (covid-19).

16 April 2020 3,553 10 View

Is there any relationship between the density of surface charges of clay minerals with the activity of viruses in soil and Environment?

As we know some clay minerals and iron oxides have positive charges on Its surface, and viruses have negatively charges, is there any ability to use this feature to reduse or stop the activity of...

23 March 2020 5,089 4 View

What is the effect of magnetic water on the soil salination and the activity of weathering?

We use the technology of water magnitazation to release inutrients from the soil and leaching salts from soil profile in salt effected soils.

06 February 2020 3,202 3 View

Can we use clay content as indicator for cationexchange capacity? How to set equation for determination CEC from the percentage of clay?

By taking in consider that we have a good idea about the type of clay minerals and the soil is free from organic matter.

14 December 2019 3,664 9 View