Mostafa Abdel azim Masoud

15 Questions 6 Answers 0 Followers

Questions related from Mostafa Abdel azim Masoud

What it is the difference between Laccase enzyme and Lignin degrading enzyme?

What it is the difference between Laccase enzyme and Lignin degrading enzyme

01 January 2019 10,116 0 View

How to calculate the percentage of atomic composition for concrete ?

I want to to calculate the percentage of atomic composition for concrete like that: H=2, O=50, Na=15

12 December 2018 5,073 3 View

How to calculate the serpentinization degree % in the serpentine?

I want to calculate the degree of serpentinization in more than one type of serpentine

09 September 2018 645 0 View

There are any ASTM or British standards of porosity measurement for the hardened concrete?

I have searched about any standards of porosity measurement for the hardened concrete, but I didn't find any thing.

09 September 2018 3,471 3 View

Until now there are not any papers explaining the relation between crushing value of aggregate and compressive strength of concrete, I'm right?

I didn't find any papers explaining the relation between crushing value of aggregate and compressive strength of concrete

06 June 2018 2,445 15 View

Are there any suggestions for references about the relation between porosity and void ratio in concrete?

I want references about the relation between porosity and void ratio in concrete.

05 May 2018 5,553 6 View

Are these ingredients of concrete indicated right?

This is an SEM image of concrete and I want to know if I indicated the components right or wrong?

04 April 2018 1,100 0 View

What is the interpretation of presence of CH3 functional group in the IR ?

what is the interpretation of presence of CH3 functional group in the IR in treated silicate material with NaOH although the ore (original material before treating) did not contain any carbon ?

04 April 2018 6,886 6 View

Is the aggregate crushing value (ACV) test is a an indicating method for aggregate strength?

I want papers about ACV is indicating method for aggregate strength

02 February 2018 5,376 7 View

There is a calculation method for finding the the void ratio knowing the porosity and water absorption in concrete?

I want to theoretically calculate the void ratio knowing the porosity and water absorption?....except for ASTM CODES?

02 February 2018 4,152 0 View

Is it possible for turquoise to have a violet color?

Turquoise has a blue and green colors, but I see some have a violet and other colors, so it is possible ?

01 January 2018 5,344 0 View

How to change the silver color of liquid Mercury constant red color?

I want to change the silver color of Mercury to constant red color which doesn't change with additions of acids

11 November 2017 6,938 1 View

How can I set the water ratio in the concrete mix in the case of aggregates of high water absorbtion?

I make concrete mix of some aggregates that have high water absorbtion, but I can't adjust the water ratio of mix because aggregates such as hematite absorbs more water and I make water absorbtion...

07 July 2017 308 10 View

What is the effect of adding polyvinyl alcohol to acrylic acid and acrylamide on swelling, viscosity and cross linking?

06 June 2017 1,545 5 View

How can I transform the material in microsize into nanosize?

I have Ilmenite in microsize and I want to grind it into nanosize...so, how many rounds and how long time I need, if I have ball mill?

05 May 2017 3,562 3 View